./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d32_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d32_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 71ffe29b6ff0f9c0975b759395362584ec1034a26c38f54b1c93cc429007ce76 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:32:46,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:32:46,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:32:46,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:32:46,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:32:46,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:32:46,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:32:46,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:32:46,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:32:46,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:32:46,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:32:46,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:32:46,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:32:46,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:32:46,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:32:46,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:32:46,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:32:46,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:32:46,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:32:46,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:32:46,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:32:46,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:32:46,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:32:46,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:32:46,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:32:46,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:32:46,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:32:46,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:32:46,238 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:32:46,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:32:46,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:32:46,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:32:46,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:32:46,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:32:46,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:32:46,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:32:46,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:32:46,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:32:46,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:32:46,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:32:46,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:32:46,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:32:46,275 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:32:46,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:32:46,276 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:32:46,277 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:32:46,278 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:32:46,278 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:32:46,278 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:32:46,278 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:32:46,278 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:32:46,279 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:32:46,280 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:32:46,280 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:32:46,280 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:32:46,280 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:32:46,280 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:32:46,281 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:32:46,281 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:32:46,281 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:32:46,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:32:46,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:32:46,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:32:46,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:32:46,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:32:46,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:32:46,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:32:46,284 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:32:46,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:32:46,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:32:46,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:32:46,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:32:46,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:32:46,286 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:32:46,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:32:46,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:32:46,286 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:32:46,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:32:46,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:32:46,287 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:32:46,287 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71ffe29b6ff0f9c0975b759395362584ec1034a26c38f54b1c93cc429007ce76 [2022-11-03 03:32:46,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:32:46,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:32:46,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:32:46,623 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:32:46,624 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:32:46,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d32_e0.c [2022-11-03 03:32:46,696 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/data/a06844583/596c2d5d3bfd4926bbc4a0ce30baa7a7/FLAGe4dc9590f [2022-11-03 03:32:47,216 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:32:47,217 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d32_e0.c [2022-11-03 03:32:47,251 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/data/a06844583/596c2d5d3bfd4926bbc4a0ce30baa7a7/FLAGe4dc9590f [2022-11-03 03:32:47,525 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/data/a06844583/596c2d5d3bfd4926bbc4a0ce30baa7a7 [2022-11-03 03:32:47,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:32:47,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:32:47,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:32:47,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:32:47,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:32:47,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:32:47" (1/1) ... [2022-11-03 03:32:47,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488ba710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:47, skipping insertion in model container [2022-11-03 03:32:47,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:32:47" (1/1) ... [2022-11-03 03:32:47,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:32:47,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:32:47,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d32_e0.c[1116,1129] [2022-11-03 03:32:48,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:32:48,120 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:32:48,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d32_e0.c[1116,1129] [2022-11-03 03:32:48,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:32:48,321 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:32:48,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:48 WrapperNode [2022-11-03 03:32:48,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:32:48,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:32:48,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:32:48,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:32:48,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:48" (1/1) ... [2022-11-03 03:32:48,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:48" (1/1) ... [2022-11-03 03:32:48,532 INFO L138 Inliner]: procedures = 11, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1864 [2022-11-03 03:32:48,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:32:48,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:32:48,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:32:48,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:32:48,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:48" (1/1) ... [2022-11-03 03:32:48,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:48" (1/1) ... [2022-11-03 03:32:48,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:48" (1/1) ... [2022-11-03 03:32:48,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:48" (1/1) ... [2022-11-03 03:32:48,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:48" (1/1) ... [2022-11-03 03:32:48,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:48" (1/1) ... [2022-11-03 03:32:48,668 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:48" (1/1) ... [2022-11-03 03:32:48,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:48" (1/1) ... [2022-11-03 03:32:48,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:32:48,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:32:48,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:32:48,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:32:48,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:48" (1/1) ... [2022-11-03 03:32:48,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:32:48,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:32:48,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:32:48,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:32:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:32:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:32:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:32:48,841 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:32:49,328 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:32:49,330 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:32:53,103 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:32:56,833 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:32:56,833 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:32:56,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:32:56 BoogieIcfgContainer [2022-11-03 03:32:56,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:32:56,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:32:56,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:32:56,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:32:56,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:32:47" (1/3) ... [2022-11-03 03:32:56,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b69113b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:32:56, skipping insertion in model container [2022-11-03 03:32:56,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:48" (2/3) ... [2022-11-03 03:32:56,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b69113b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:32:56, skipping insertion in model container [2022-11-03 03:32:56,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:32:56" (3/3) ... [2022-11-03 03:32:56,846 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w32_d32_e0.c [2022-11-03 03:32:56,868 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:32:56,869 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:32:56,933 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:32:56,951 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7a5b50ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:32:56,953 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:32:56,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:32:56,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 03:32:56,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:32:56,968 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:32:56,969 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:32:56,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:32:56,976 INFO L85 PathProgramCache]: Analyzing trace with hash -145835133, now seen corresponding path program 1 times [2022-11-03 03:32:56,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:32:56,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785519871] [2022-11-03 03:32:56,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:56,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:32:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:33:04,615 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 03:33:04,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:33:04,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785519871] [2022-11-03 03:33:04,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785519871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:33:04,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:33:04,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:33:04,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997403777] [2022-11-03 03:33:04,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:33:04,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:33:04,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:33:04,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:33:04,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:33:04,662 INFO L87 Difference]: Start difference. First operand has 15 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:33:07,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 03:33:08,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:33:08,392 INFO L93 Difference]: Finished difference Result 37 states and 49 transitions. [2022-11-03 03:33:08,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:33:08,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2022-11-03 03:33:08,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:33:08,402 INFO L225 Difference]: With dead ends: 37 [2022-11-03 03:33:08,402 INFO L226 Difference]: Without dead ends: 23 [2022-11-03 03:33:08,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:33:08,408 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 3 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:33:08,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 36 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-11-03 03:33:08,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-03 03:33:08,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-03 03:33:08,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:33:08,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2022-11-03 03:33:08,449 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 16 [2022-11-03 03:33:08,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:33:08,451 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-03 03:33:08,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:33:08,452 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-03 03:33:08,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-03 03:33:08,455 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:33:08,455 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-03 03:33:08,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:33:08,455 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:33:08,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:33:08,456 INFO L85 PathProgramCache]: Analyzing trace with hash 224043513, now seen corresponding path program 1 times [2022-11-03 03:33:08,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:33:08,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856800847] [2022-11-03 03:33:08,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:08,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:33:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:33:45,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 03:34:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:34:23,591 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 03:34:23,591 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 03:34:23,593 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 03:34:23,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:34:23,600 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-03 03:34:23,604 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:34:23,843 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-03 03:34:23,844 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-03 03:34:23,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:34:23 BoogieIcfgContainer [2022-11-03 03:34:23,920 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:34:23,921 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:34:23,921 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:34:23,921 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:34:23,922 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:32:56" (3/4) ... [2022-11-03 03:34:23,925 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 03:34:23,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:34:23,927 INFO L158 Benchmark]: Toolchain (without parser) took 96397.61ms. Allocated memory was 115.3MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 76.2MB in the beginning and 782.7MB in the end (delta: -706.5MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-03 03:34:23,928 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:34:23,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 791.72ms. Allocated memory is still 115.3MB. Free memory was 76.0MB in the beginning and 55.4MB in the end (delta: 20.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-03 03:34:23,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 210.40ms. Allocated memory is still 115.3MB. Free memory was 55.4MB in the beginning and 70.8MB in the end (delta: -15.3MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2022-11-03 03:34:23,935 INFO L158 Benchmark]: Boogie Preprocessor took 193.83ms. Allocated memory is still 115.3MB. Free memory was 70.8MB in the beginning and 58.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 03:34:23,936 INFO L158 Benchmark]: RCFGBuilder took 8108.13ms. Allocated memory was 115.3MB in the beginning and 629.1MB in the end (delta: 513.8MB). Free memory was 58.9MB in the beginning and 353.9MB in the end (delta: -294.9MB). Peak memory consumption was 369.6MB. Max. memory is 16.1GB. [2022-11-03 03:34:23,936 INFO L158 Benchmark]: TraceAbstraction took 87080.38ms. Allocated memory was 629.1MB in the beginning and 1.9GB in the end (delta: 1.3GB). Free memory was 352.8MB in the beginning and 783.8MB in the end (delta: -430.9MB). Peak memory consumption was 940.8MB. Max. memory is 16.1GB. [2022-11-03 03:34:23,936 INFO L158 Benchmark]: Witness Printer took 5.07ms. Allocated memory is still 1.9GB. Free memory is still 782.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:34:23,944 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 791.72ms. Allocated memory is still 115.3MB. Free memory was 76.0MB in the beginning and 55.4MB in the end (delta: 20.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 210.40ms. Allocated memory is still 115.3MB. Free memory was 55.4MB in the beginning and 70.8MB in the end (delta: -15.3MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 193.83ms. Allocated memory is still 115.3MB. Free memory was 70.8MB in the beginning and 58.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 8108.13ms. Allocated memory was 115.3MB in the beginning and 629.1MB in the end (delta: 513.8MB). Free memory was 58.9MB in the beginning and 353.9MB in the end (delta: -294.9MB). Peak memory consumption was 369.6MB. Max. memory is 16.1GB. * TraceAbstraction took 87080.38ms. Allocated memory was 629.1MB in the beginning and 1.9GB in the end (delta: 1.3GB). Free memory was 352.8MB in the beginning and 783.8MB in the end (delta: -430.9MB). Peak memory consumption was 940.8MB. Max. memory is 16.1GB. * Witness Printer took 5.07ms. Allocated memory is still 1.9GB. Free memory is still 782.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 583, overapproximation of bitwiseComplement at line 208, overapproximation of bitwiseAnd at line 211. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 32); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L31] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 7); [L32] const SORT_11 msb_SORT_11 = (SORT_11)1 << (7 - 1); [L34] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 6); [L35] const SORT_13 msb_SORT_13 = (SORT_13)1 << (6 - 1); [L37] const SORT_19 mask_SORT_19 = (SORT_19)-1 >> (sizeof(SORT_19) * 8 - 5); [L38] const SORT_19 msb_SORT_19 = (SORT_19)1 << (5 - 1); [L40] const SORT_100 mask_SORT_100 = (SORT_100)-1 >> (sizeof(SORT_100) * 8 - 4); [L41] const SORT_100 msb_SORT_100 = (SORT_100)1 << (4 - 1); [L43] const SORT_141 mask_SORT_141 = (SORT_141)-1 >> (sizeof(SORT_141) * 8 - 3); [L44] const SORT_141 msb_SORT_141 = (SORT_141)1 << (3 - 1); [L46] const SORT_162 mask_SORT_162 = (SORT_162)-1 >> (sizeof(SORT_162) * 8 - 2); [L47] const SORT_162 msb_SORT_162 = (SORT_162)1 << (2 - 1); [L49] const SORT_13 var_15 = 32; [L50] const SORT_19 var_20 = 31; [L51] const SORT_19 var_25 = 30; [L52] const SORT_19 var_30 = 29; [L53] const SORT_19 var_35 = 28; [L54] const SORT_19 var_40 = 27; [L55] const SORT_19 var_45 = 26; [L56] const SORT_19 var_50 = 25; [L57] const SORT_19 var_55 = 24; [L58] const SORT_19 var_60 = 23; [L59] const SORT_19 var_65 = 22; [L60] const SORT_19 var_70 = 21; [L61] const SORT_19 var_75 = 20; [L62] const SORT_19 var_80 = 19; [L63] const SORT_19 var_85 = 18; [L64] const SORT_19 var_90 = 17; [L65] const SORT_19 var_95 = 16; [L66] const SORT_100 var_101 = 15; [L67] const SORT_100 var_106 = 14; [L68] const SORT_100 var_111 = 13; [L69] const SORT_100 var_116 = 12; [L70] const SORT_100 var_121 = 11; [L71] const SORT_100 var_126 = 10; [L72] const SORT_100 var_131 = 9; [L73] const SORT_100 var_136 = 8; [L74] const SORT_141 var_142 = 7; [L75] const SORT_141 var_147 = 6; [L76] const SORT_141 var_152 = 5; [L77] const SORT_141 var_157 = 4; [L78] const SORT_162 var_163 = 3; [L79] const SORT_162 var_168 = 2; [L80] const SORT_1 var_173 = 1; [L81] const SORT_13 var_186 = 33; [L82] const SORT_11 var_203 = 0; [L83] const SORT_1 var_233 = 0; [L84] const SORT_3 var_582 = 0; [L86] SORT_1 input_2; [L87] SORT_3 input_4; [L88] SORT_1 input_5; [L89] SORT_1 input_6; [L90] SORT_1 input_7; [L91] SORT_1 input_8; [L92] SORT_3 input_9; [L93] SORT_1 input_231; [L95] SORT_3 state_10 = __VERIFIER_nondet_uint() & mask_SORT_3; [L96] SORT_11 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L97] SORT_3 state_18 = __VERIFIER_nondet_uint() & mask_SORT_3; [L98] SORT_3 state_24 = __VERIFIER_nondet_uint() & mask_SORT_3; [L99] SORT_3 state_29 = __VERIFIER_nondet_uint() & mask_SORT_3; [L100] SORT_3 state_34 = __VERIFIER_nondet_uint() & mask_SORT_3; [L101] SORT_3 state_39 = __VERIFIER_nondet_uint() & mask_SORT_3; [L102] SORT_3 state_44 = __VERIFIER_nondet_uint() & mask_SORT_3; [L103] SORT_3 state_49 = __VERIFIER_nondet_uint() & mask_SORT_3; [L104] SORT_3 state_54 = __VERIFIER_nondet_uint() & mask_SORT_3; [L105] SORT_3 state_59 = __VERIFIER_nondet_uint() & mask_SORT_3; [L106] SORT_3 state_64 = __VERIFIER_nondet_uint() & mask_SORT_3; [L107] SORT_3 state_69 = __VERIFIER_nondet_uint() & mask_SORT_3; [L108] SORT_3 state_74 = __VERIFIER_nondet_uint() & mask_SORT_3; [L109] SORT_3 state_79 = __VERIFIER_nondet_uint() & mask_SORT_3; [L110] SORT_3 state_84 = __VERIFIER_nondet_uint() & mask_SORT_3; [L111] SORT_3 state_89 = __VERIFIER_nondet_uint() & mask_SORT_3; [L112] SORT_3 state_94 = __VERIFIER_nondet_uint() & mask_SORT_3; [L113] SORT_3 state_99 = __VERIFIER_nondet_uint() & mask_SORT_3; [L114] SORT_3 state_105 = __VERIFIER_nondet_uint() & mask_SORT_3; [L115] SORT_3 state_110 = __VERIFIER_nondet_uint() & mask_SORT_3; [L116] SORT_3 state_115 = __VERIFIER_nondet_uint() & mask_SORT_3; [L117] SORT_3 state_120 = __VERIFIER_nondet_uint() & mask_SORT_3; [L118] SORT_3 state_125 = __VERIFIER_nondet_uint() & mask_SORT_3; [L119] SORT_3 state_130 = __VERIFIER_nondet_uint() & mask_SORT_3; [L120] SORT_3 state_135 = __VERIFIER_nondet_uint() & mask_SORT_3; [L121] SORT_3 state_140 = __VERIFIER_nondet_uint() & mask_SORT_3; [L122] SORT_3 state_146 = __VERIFIER_nondet_uint() & mask_SORT_3; [L123] SORT_3 state_151 = __VERIFIER_nondet_uint() & mask_SORT_3; [L124] SORT_3 state_156 = __VERIFIER_nondet_uint() & mask_SORT_3; [L125] SORT_3 state_161 = __VERIFIER_nondet_uint() & mask_SORT_3; [L126] SORT_3 state_167 = __VERIFIER_nondet_uint() & mask_SORT_3; [L127] SORT_3 state_172 = __VERIFIER_nondet_uint() & mask_SORT_3; [L128] SORT_3 state_177 = __VERIFIER_nondet_uint() & mask_SORT_3; [L129] SORT_11 state_182 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L130] SORT_1 state_190 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] SORT_1 state_191 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] SORT_11 state_194 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L133] SORT_3 state_209 = __VERIFIER_nondet_uint() & mask_SORT_3; [L134] SORT_1 state_213 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] SORT_11 state_282 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L137] SORT_1 init_214_arg_1 = var_173; [L138] state_213 = init_214_arg_1 VAL [init_214_arg_1=1, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=2147483648, state_10=0, state_105=0, state_110=0, state_115=0, state_12=1, state_120=0, state_125=29, state_130=0, state_135=13, state_140=0, state_146=0, state_151=0, state_156=50, state_161=0, state_167=44, state_172=0, state_177=2, state_18=0, state_182=0, state_190=0, state_191=1, state_194=1, state_209=0, state_213=1, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=31, state_64=0, state_69=0, state_74=31, state_79=31, state_84=0, state_89=0, state_94=30, state_99=30, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_20=31, var_203=0, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L141] input_2 = __VERIFIER_nondet_uchar() [L142] input_4 = __VERIFIER_nondet_uint() [L143] input_5 = __VERIFIER_nondet_uchar() [L144] input_6 = __VERIFIER_nondet_uchar() [L145] input_7 = __VERIFIER_nondet_uchar() [L146] input_7 = input_7 & mask_SORT_1 [L147] input_8 = __VERIFIER_nondet_uchar() [L148] input_9 = __VERIFIER_nondet_uint() [L149] input_231 = __VERIFIER_nondet_uchar() [L151] SORT_1 var_215_arg_0 = input_7; [L152] SORT_1 var_215_arg_1 = state_213; [L153] SORT_1 var_215 = var_215_arg_0 == var_215_arg_1; [L154] SORT_1 var_216_arg_0 = var_173; [L155] SORT_1 var_216 = ~var_216_arg_0; [L156] SORT_1 var_217_arg_0 = var_215; [L157] SORT_1 var_217_arg_1 = var_216; [L158] SORT_1 var_217 = var_217_arg_0 | var_217_arg_1; [L159] var_217 = var_217 & mask_SORT_1 [L160] SORT_1 constr_218_arg_0 = var_217; VAL [constr_218_arg_0=1, init_214_arg_1=1, input_2=27, input_231=1, input_4=0, input_5=0, input_6=1, input_7=1, input_8=2, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=2147483648, state_10=0, state_105=0, state_110=0, state_115=0, state_12=1, state_120=0, state_125=29, state_130=0, state_135=13, state_140=0, state_146=0, state_151=0, state_156=50, state_161=0, state_167=44, state_172=0, state_177=2, state_18=0, state_182=0, state_190=0, state_191=1, state_194=1, state_209=0, state_213=1, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=31, state_64=0, state_69=0, state_74=31, state_79=31, state_84=0, state_89=0, state_94=30, state_99=30, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_20=31, var_203=0, var_215=1, var_215_arg_0=1, var_215_arg_1=1, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=255, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L161] CALL assume_abort_if_not(constr_218_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L161] RET assume_abort_if_not(constr_218_arg_0) VAL [constr_218_arg_0=1, init_214_arg_1=1, input_2=27, input_231=1, input_4=0, input_5=0, input_6=1, input_7=1, input_8=2, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=2147483648, state_10=0, state_105=0, state_110=0, state_115=0, state_12=1, state_120=0, state_125=29, state_130=0, state_135=13, state_140=0, state_146=0, state_151=0, state_156=50, state_161=0, state_167=44, state_172=0, state_177=2, state_18=0, state_182=0, state_190=0, state_191=1, state_194=1, state_209=0, state_213=1, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=31, state_64=0, state_69=0, state_74=31, state_79=31, state_84=0, state_89=0, state_94=30, state_99=30, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_20=31, var_203=0, var_215=1, var_215_arg_0=1, var_215_arg_1=1, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=255, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L162] SORT_13 var_187_arg_0 = var_186; [L163] var_187_arg_0 = var_187_arg_0 & mask_SORT_13 [L164] SORT_11 var_187 = var_187_arg_0; [L165] SORT_11 var_188_arg_0 = state_182; [L166] SORT_11 var_188_arg_1 = var_187; [L167] SORT_1 var_188 = var_188_arg_0 == var_188_arg_1; [L168] SORT_1 var_219_arg_0 = var_188; [L169] SORT_1 var_219 = ~var_219_arg_0; [L170] SORT_1 var_220_arg_0 = input_6; [L171] SORT_1 var_220 = ~var_220_arg_0; [L172] SORT_1 var_221_arg_0 = var_219; [L173] SORT_1 var_221_arg_1 = var_220; [L174] SORT_1 var_221 = var_221_arg_0 | var_221_arg_1; [L175] SORT_1 var_222_arg_0 = var_173; [L176] SORT_1 var_222 = ~var_222_arg_0; [L177] SORT_1 var_223_arg_0 = var_221; [L178] SORT_1 var_223_arg_1 = var_222; [L179] SORT_1 var_223 = var_223_arg_0 | var_223_arg_1; [L180] var_223 = var_223 & mask_SORT_1 [L181] SORT_1 constr_224_arg_0 = var_223; VAL [constr_218_arg_0=1, constr_224_arg_0=1, init_214_arg_1=1, input_2=27, input_231=1, input_4=0, input_5=0, input_6=1, input_7=1, input_8=2, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=2147483648, state_10=0, state_105=0, state_110=0, state_115=0, state_12=1, state_120=0, state_125=29, state_130=0, state_135=13, state_140=0, state_146=0, state_151=0, state_156=50, state_161=0, state_167=44, state_172=0, state_177=2, state_18=0, state_182=0, state_190=0, state_191=1, state_194=1, state_209=0, state_213=1, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=31, state_64=0, state_69=0, state_74=31, state_79=31, state_84=0, state_89=0, state_94=30, state_99=30, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_187=1, var_187_arg_0=1, var_188=0, var_188_arg_0=0, var_188_arg_1=1, var_20=31, var_203=0, var_215=1, var_215_arg_0=1, var_215_arg_1=1, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=255, var_219=1, var_219_arg_0=0, var_220=1, var_220_arg_0=1, var_221=1, var_221_arg_0=1, var_221_arg_1=1, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=1, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L182] CALL assume_abort_if_not(constr_224_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L182] RET assume_abort_if_not(constr_224_arg_0) VAL [constr_218_arg_0=1, constr_224_arg_0=1, init_214_arg_1=1, input_2=27, input_231=1, input_4=0, input_5=0, input_6=1, input_7=1, input_8=2, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=2147483648, state_10=0, state_105=0, state_110=0, state_115=0, state_12=1, state_120=0, state_125=29, state_130=0, state_135=13, state_140=0, state_146=0, state_151=0, state_156=50, state_161=0, state_167=44, state_172=0, state_177=2, state_18=0, state_182=0, state_190=0, state_191=1, state_194=1, state_209=0, state_213=1, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=31, state_64=0, state_69=0, state_74=31, state_79=31, state_84=0, state_89=0, state_94=30, state_99=30, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_187=1, var_187_arg_0=1, var_188=0, var_188_arg_0=0, var_188_arg_1=1, var_20=31, var_203=0, var_215=1, var_215_arg_0=1, var_215_arg_1=1, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=255, var_219=1, var_219_arg_0=0, var_220=1, var_220_arg_0=1, var_221=1, var_221_arg_0=1, var_221_arg_1=1, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=1, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L183] SORT_11 var_183_arg_0 = state_182; [L184] SORT_1 var_183 = var_183_arg_0 != 0; [L185] SORT_1 var_184_arg_0 = var_183; [L186] SORT_1 var_184 = ~var_184_arg_0; [L187] SORT_1 var_225_arg_0 = var_184; [L188] SORT_1 var_225 = ~var_225_arg_0; [L189] SORT_1 var_226_arg_0 = input_5; [L190] SORT_1 var_226 = ~var_226_arg_0; [L191] SORT_1 var_227_arg_0 = var_225; [L192] SORT_1 var_227_arg_1 = var_226; [L193] SORT_1 var_227 = var_227_arg_0 | var_227_arg_1; [L194] SORT_1 var_228_arg_0 = var_173; [L195] SORT_1 var_228 = ~var_228_arg_0; [L196] SORT_1 var_229_arg_0 = var_227; [L197] SORT_1 var_229_arg_1 = var_228; [L198] SORT_1 var_229 = var_229_arg_0 | var_229_arg_1; [L199] var_229 = var_229 & mask_SORT_1 [L200] SORT_1 constr_230_arg_0 = var_229; VAL [constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=27, input_231=1, input_4=0, input_5=0, input_6=1, input_7=1, input_8=2, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=2147483648, state_10=0, state_105=0, state_110=0, state_115=0, state_12=1, state_120=0, state_125=29, state_130=0, state_135=13, state_140=0, state_146=0, state_151=0, state_156=50, state_161=0, state_167=44, state_172=0, state_177=2, state_18=0, state_182=0, state_190=0, state_191=1, state_194=1, state_209=0, state_213=1, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=31, state_64=0, state_69=0, state_74=31, state_79=31, state_84=0, state_89=0, state_94=30, state_99=30, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_183=0, var_183_arg_0=0, var_184=19, var_184_arg_0=0, var_186=33, var_187=1, var_187_arg_0=1, var_188=0, var_188_arg_0=0, var_188_arg_1=1, var_20=31, var_203=0, var_215=1, var_215_arg_0=1, var_215_arg_1=1, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=255, var_219=1, var_219_arg_0=0, var_220=1, var_220_arg_0=1, var_221=1, var_221_arg_0=1, var_221_arg_1=1, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=1, var_225=0, var_225_arg_0=19, var_226=253, var_226_arg_0=0, var_227=113, var_227_arg_0=0, var_227_arg_1=253, var_228=0, var_228_arg_0=1, var_229=1, var_229_arg_0=113, var_229_arg_1=0, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L201] CALL assume_abort_if_not(constr_230_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L201] RET assume_abort_if_not(constr_230_arg_0) VAL [constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=27, input_231=1, input_4=0, input_5=0, input_6=1, input_7=1, input_8=2, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=2147483648, state_10=0, state_105=0, state_110=0, state_115=0, state_12=1, state_120=0, state_125=29, state_130=0, state_135=13, state_140=0, state_146=0, state_151=0, state_156=50, state_161=0, state_167=44, state_172=0, state_177=2, state_18=0, state_182=0, state_190=0, state_191=1, state_194=1, state_209=0, state_213=1, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=31, state_64=0, state_69=0, state_74=31, state_79=31, state_84=0, state_89=0, state_94=30, state_99=30, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_183=0, var_183_arg_0=0, var_184=19, var_184_arg_0=0, var_186=33, var_187=1, var_187_arg_0=1, var_188=0, var_188_arg_0=0, var_188_arg_1=1, var_20=31, var_203=0, var_215=1, var_215_arg_0=1, var_215_arg_1=1, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=255, var_219=1, var_219_arg_0=0, var_220=1, var_220_arg_0=1, var_221=1, var_221_arg_0=1, var_221_arg_1=1, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=1, var_225=0, var_225_arg_0=19, var_226=253, var_226_arg_0=0, var_227=113, var_227_arg_0=0, var_227_arg_1=253, var_228=0, var_228_arg_0=1, var_229=1, var_229_arg_0=113, var_229_arg_1=0, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L203] SORT_1 var_234_arg_0 = state_213; [L204] SORT_1 var_234_arg_1 = var_233; [L205] SORT_1 var_234_arg_2 = var_173; [L206] EXPR var_234_arg_0 ? var_234_arg_1 : var_234_arg_2 [L206] SORT_1 var_234 = var_234_arg_0 ? var_234_arg_1 : var_234_arg_2; [L207] SORT_1 var_192_arg_0 = state_191; [L208] SORT_1 var_192 = ~var_192_arg_0; [L209] SORT_1 var_193_arg_0 = state_190; [L210] SORT_1 var_193_arg_1 = var_192; [L211] SORT_1 var_193 = var_193_arg_0 & var_193_arg_1; [L212] SORT_11 var_195_arg_0 = state_194; [L213] SORT_1 var_195 = var_195_arg_0 != 0; [L214] SORT_1 var_196_arg_0 = var_193; [L215] SORT_1 var_196_arg_1 = var_195; [L216] SORT_1 var_196 = var_196_arg_0 & var_196_arg_1; [L217] SORT_1 var_197_arg_0 = state_190; [L218] SORT_1 var_197 = ~var_197_arg_0; [L219] SORT_1 var_198_arg_0 = input_6; [L220] SORT_1 var_198_arg_1 = var_197; [L221] SORT_1 var_198 = var_198_arg_0 & var_198_arg_1; [L222] SORT_1 var_199_arg_0 = var_198; [L223] var_199_arg_0 = var_199_arg_0 & mask_SORT_1 [L224] SORT_11 var_199 = var_199_arg_0; [L225] SORT_11 var_200_arg_0 = state_194; [L226] SORT_11 var_200_arg_1 = var_199; [L227] SORT_11 var_200 = var_200_arg_0 + var_200_arg_1; [L228] SORT_1 var_201_arg_0 = input_5; [L229] var_201_arg_0 = var_201_arg_0 & mask_SORT_1 [L230] SORT_11 var_201 = var_201_arg_0; [L231] SORT_11 var_202_arg_0 = var_200; [L232] SORT_11 var_202_arg_1 = var_201; [L233] SORT_11 var_202 = var_202_arg_0 - var_202_arg_1; [L234] SORT_1 var_204_arg_0 = input_7; [L235] SORT_11 var_204_arg_1 = var_203; [L236] SORT_11 var_204_arg_2 = var_202; [L237] EXPR var_204_arg_0 ? var_204_arg_1 : var_204_arg_2 [L237] SORT_11 var_204 = var_204_arg_0 ? var_204_arg_1 : var_204_arg_2; [L238] var_204 = var_204 & mask_SORT_11 [L239] SORT_11 var_205_arg_0 = var_204; [L240] SORT_1 var_205 = var_205_arg_0 != 0; [L241] SORT_1 var_206_arg_0 = var_205; [L242] SORT_1 var_206 = ~var_206_arg_0; [L243] SORT_1 var_207_arg_0 = var_196; [L244] SORT_1 var_207_arg_1 = var_206; [L245] SORT_1 var_207 = var_207_arg_0 & var_207_arg_1; [L246] SORT_1 var_208_arg_0 = var_207; [L247] SORT_1 var_208 = ~var_208_arg_0; [L248] SORT_11 var_14_arg_0 = state_12; [L249] SORT_13 var_14 = var_14_arg_0 >> 0; [L250] var_14 = var_14 & mask_SORT_13 [L251] SORT_13 var_178_arg_0 = var_14; [L252] SORT_1 var_178 = var_178_arg_0 != 0; [L253] SORT_1 var_179_arg_0 = var_178; [L254] SORT_1 var_179 = ~var_179_arg_0; [L255] var_179 = var_179 & mask_SORT_1 [L256] SORT_1 var_174_arg_0 = var_173; [L257] var_174_arg_0 = var_174_arg_0 & mask_SORT_1 [L258] SORT_13 var_174 = var_174_arg_0; [L259] SORT_13 var_175_arg_0 = var_14; [L260] SORT_13 var_175_arg_1 = var_174; [L261] SORT_1 var_175 = var_175_arg_0 == var_175_arg_1; [L262] SORT_162 var_169_arg_0 = var_168; [L263] var_169_arg_0 = var_169_arg_0 & mask_SORT_162 [L264] SORT_13 var_169 = var_169_arg_0; [L265] SORT_13 var_170_arg_0 = var_14; [L266] SORT_13 var_170_arg_1 = var_169; [L267] SORT_1 var_170 = var_170_arg_0 == var_170_arg_1; [L268] SORT_162 var_164_arg_0 = var_163; [L269] var_164_arg_0 = var_164_arg_0 & mask_SORT_162 [L270] SORT_13 var_164 = var_164_arg_0; [L271] SORT_13 var_165_arg_0 = var_14; [L272] SORT_13 var_165_arg_1 = var_164; [L273] SORT_1 var_165 = var_165_arg_0 == var_165_arg_1; [L274] SORT_141 var_158_arg_0 = var_157; [L275] var_158_arg_0 = var_158_arg_0 & mask_SORT_141 [L276] SORT_13 var_158 = var_158_arg_0; [L277] SORT_13 var_159_arg_0 = var_14; [L278] SORT_13 var_159_arg_1 = var_158; [L279] SORT_1 var_159 = var_159_arg_0 == var_159_arg_1; [L280] SORT_141 var_153_arg_0 = var_152; [L281] var_153_arg_0 = var_153_arg_0 & mask_SORT_141 [L282] SORT_13 var_153 = var_153_arg_0; [L283] SORT_13 var_154_arg_0 = var_14; [L284] SORT_13 var_154_arg_1 = var_153; [L285] SORT_1 var_154 = var_154_arg_0 == var_154_arg_1; [L286] SORT_141 var_148_arg_0 = var_147; [L287] var_148_arg_0 = var_148_arg_0 & mask_SORT_141 [L288] SORT_13 var_148 = var_148_arg_0; [L289] SORT_13 var_149_arg_0 = var_14; [L290] SORT_13 var_149_arg_1 = var_148; [L291] SORT_1 var_149 = var_149_arg_0 == var_149_arg_1; [L292] SORT_141 var_143_arg_0 = var_142; [L293] var_143_arg_0 = var_143_arg_0 & mask_SORT_141 [L294] SORT_13 var_143 = var_143_arg_0; [L295] SORT_13 var_144_arg_0 = var_14; [L296] SORT_13 var_144_arg_1 = var_143; [L297] SORT_1 var_144 = var_144_arg_0 == var_144_arg_1; [L298] SORT_100 var_137_arg_0 = var_136; [L299] var_137_arg_0 = var_137_arg_0 & mask_SORT_100 [L300] SORT_13 var_137 = var_137_arg_0; [L301] SORT_13 var_138_arg_0 = var_14; [L302] SORT_13 var_138_arg_1 = var_137; [L303] SORT_1 var_138 = var_138_arg_0 == var_138_arg_1; [L304] SORT_100 var_132_arg_0 = var_131; [L305] var_132_arg_0 = var_132_arg_0 & mask_SORT_100 [L306] SORT_13 var_132 = var_132_arg_0; [L307] SORT_13 var_133_arg_0 = var_14; [L308] SORT_13 var_133_arg_1 = var_132; [L309] SORT_1 var_133 = var_133_arg_0 == var_133_arg_1; [L310] SORT_100 var_127_arg_0 = var_126; [L311] var_127_arg_0 = var_127_arg_0 & mask_SORT_100 [L312] SORT_13 var_127 = var_127_arg_0; [L313] SORT_13 var_128_arg_0 = var_14; [L314] SORT_13 var_128_arg_1 = var_127; [L315] SORT_1 var_128 = var_128_arg_0 == var_128_arg_1; [L316] SORT_100 var_122_arg_0 = var_121; [L317] var_122_arg_0 = var_122_arg_0 & mask_SORT_100 [L318] SORT_13 var_122 = var_122_arg_0; [L319] SORT_13 var_123_arg_0 = var_14; [L320] SORT_13 var_123_arg_1 = var_122; [L321] SORT_1 var_123 = var_123_arg_0 == var_123_arg_1; [L322] SORT_100 var_117_arg_0 = var_116; [L323] var_117_arg_0 = var_117_arg_0 & mask_SORT_100 [L324] SORT_13 var_117 = var_117_arg_0; [L325] SORT_13 var_118_arg_0 = var_14; [L326] SORT_13 var_118_arg_1 = var_117; [L327] SORT_1 var_118 = var_118_arg_0 == var_118_arg_1; [L328] SORT_100 var_112_arg_0 = var_111; [L329] var_112_arg_0 = var_112_arg_0 & mask_SORT_100 [L330] SORT_13 var_112 = var_112_arg_0; [L331] SORT_13 var_113_arg_0 = var_14; [L332] SORT_13 var_113_arg_1 = var_112; [L333] SORT_1 var_113 = var_113_arg_0 == var_113_arg_1; [L334] SORT_100 var_107_arg_0 = var_106; [L335] var_107_arg_0 = var_107_arg_0 & mask_SORT_100 [L336] SORT_13 var_107 = var_107_arg_0; [L337] SORT_13 var_108_arg_0 = var_14; [L338] SORT_13 var_108_arg_1 = var_107; [L339] SORT_1 var_108 = var_108_arg_0 == var_108_arg_1; [L340] SORT_100 var_102_arg_0 = var_101; [L341] var_102_arg_0 = var_102_arg_0 & mask_SORT_100 [L342] SORT_13 var_102 = var_102_arg_0; [L343] SORT_13 var_103_arg_0 = var_14; [L344] SORT_13 var_103_arg_1 = var_102; [L345] SORT_1 var_103 = var_103_arg_0 == var_103_arg_1; [L346] SORT_19 var_96_arg_0 = var_95; [L347] var_96_arg_0 = var_96_arg_0 & mask_SORT_19 [L348] SORT_13 var_96 = var_96_arg_0; [L349] SORT_13 var_97_arg_0 = var_14; [L350] SORT_13 var_97_arg_1 = var_96; [L351] SORT_1 var_97 = var_97_arg_0 == var_97_arg_1; [L352] SORT_19 var_91_arg_0 = var_90; [L353] var_91_arg_0 = var_91_arg_0 & mask_SORT_19 [L354] SORT_13 var_91 = var_91_arg_0; [L355] SORT_13 var_92_arg_0 = var_14; [L356] SORT_13 var_92_arg_1 = var_91; [L357] SORT_1 var_92 = var_92_arg_0 == var_92_arg_1; [L358] SORT_19 var_86_arg_0 = var_85; [L359] var_86_arg_0 = var_86_arg_0 & mask_SORT_19 [L360] SORT_13 var_86 = var_86_arg_0; [L361] SORT_13 var_87_arg_0 = var_14; [L362] SORT_13 var_87_arg_1 = var_86; [L363] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L364] SORT_19 var_81_arg_0 = var_80; [L365] var_81_arg_0 = var_81_arg_0 & mask_SORT_19 [L366] SORT_13 var_81 = var_81_arg_0; [L367] SORT_13 var_82_arg_0 = var_14; [L368] SORT_13 var_82_arg_1 = var_81; [L369] SORT_1 var_82 = var_82_arg_0 == var_82_arg_1; [L370] SORT_19 var_76_arg_0 = var_75; [L371] var_76_arg_0 = var_76_arg_0 & mask_SORT_19 [L372] SORT_13 var_76 = var_76_arg_0; [L373] SORT_13 var_77_arg_0 = var_14; [L374] SORT_13 var_77_arg_1 = var_76; [L375] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L376] SORT_19 var_71_arg_0 = var_70; [L377] var_71_arg_0 = var_71_arg_0 & mask_SORT_19 [L378] SORT_13 var_71 = var_71_arg_0; [L379] SORT_13 var_72_arg_0 = var_14; [L380] SORT_13 var_72_arg_1 = var_71; [L381] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L382] SORT_19 var_66_arg_0 = var_65; [L383] var_66_arg_0 = var_66_arg_0 & mask_SORT_19 [L384] SORT_13 var_66 = var_66_arg_0; [L385] SORT_13 var_67_arg_0 = var_14; [L386] SORT_13 var_67_arg_1 = var_66; [L387] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L388] SORT_19 var_61_arg_0 = var_60; [L389] var_61_arg_0 = var_61_arg_0 & mask_SORT_19 [L390] SORT_13 var_61 = var_61_arg_0; [L391] SORT_13 var_62_arg_0 = var_14; [L392] SORT_13 var_62_arg_1 = var_61; [L393] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L394] SORT_19 var_56_arg_0 = var_55; [L395] var_56_arg_0 = var_56_arg_0 & mask_SORT_19 [L396] SORT_13 var_56 = var_56_arg_0; [L397] SORT_13 var_57_arg_0 = var_14; [L398] SORT_13 var_57_arg_1 = var_56; [L399] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L400] SORT_19 var_51_arg_0 = var_50; [L401] var_51_arg_0 = var_51_arg_0 & mask_SORT_19 [L402] SORT_13 var_51 = var_51_arg_0; [L403] SORT_13 var_52_arg_0 = var_14; [L404] SORT_13 var_52_arg_1 = var_51; [L405] SORT_1 var_52 = var_52_arg_0 == var_52_arg_1; [L406] SORT_19 var_46_arg_0 = var_45; [L407] var_46_arg_0 = var_46_arg_0 & mask_SORT_19 [L408] SORT_13 var_46 = var_46_arg_0; [L409] SORT_13 var_47_arg_0 = var_14; [L410] SORT_13 var_47_arg_1 = var_46; [L411] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L412] SORT_19 var_41_arg_0 = var_40; [L413] var_41_arg_0 = var_41_arg_0 & mask_SORT_19 [L414] SORT_13 var_41 = var_41_arg_0; [L415] SORT_13 var_42_arg_0 = var_14; [L416] SORT_13 var_42_arg_1 = var_41; [L417] SORT_1 var_42 = var_42_arg_0 == var_42_arg_1; [L418] SORT_19 var_36_arg_0 = var_35; [L419] var_36_arg_0 = var_36_arg_0 & mask_SORT_19 [L420] SORT_13 var_36 = var_36_arg_0; [L421] SORT_13 var_37_arg_0 = var_14; [L422] SORT_13 var_37_arg_1 = var_36; [L423] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L424] SORT_19 var_31_arg_0 = var_30; [L425] var_31_arg_0 = var_31_arg_0 & mask_SORT_19 [L426] SORT_13 var_31 = var_31_arg_0; [L427] SORT_13 var_32_arg_0 = var_14; [L428] SORT_13 var_32_arg_1 = var_31; [L429] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L430] SORT_19 var_26_arg_0 = var_25; [L431] var_26_arg_0 = var_26_arg_0 & mask_SORT_19 [L432] SORT_13 var_26 = var_26_arg_0; [L433] SORT_13 var_27_arg_0 = var_14; [L434] SORT_13 var_27_arg_1 = var_26; [L435] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L436] SORT_19 var_21_arg_0 = var_20; [L437] var_21_arg_0 = var_21_arg_0 & mask_SORT_19 [L438] SORT_13 var_21 = var_21_arg_0; [L439] SORT_13 var_22_arg_0 = var_14; [L440] SORT_13 var_22_arg_1 = var_21; [L441] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L442] SORT_13 var_16_arg_0 = var_14; [L443] SORT_13 var_16_arg_1 = var_15; [L444] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L445] SORT_1 var_17_arg_0 = var_16; [L446] SORT_3 var_17_arg_1 = state_10; [L447] SORT_3 var_17_arg_2 = input_9; [L448] EXPR var_17_arg_0 ? var_17_arg_1 : var_17_arg_2 [L448] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L449] SORT_1 var_23_arg_0 = var_22; [L450] SORT_3 var_23_arg_1 = state_18; [L451] SORT_3 var_23_arg_2 = var_17; [L452] EXPR var_23_arg_0 ? var_23_arg_1 : var_23_arg_2 [L452] SORT_3 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L453] SORT_1 var_28_arg_0 = var_27; [L454] SORT_3 var_28_arg_1 = state_24; [L455] SORT_3 var_28_arg_2 = var_23; [L456] EXPR var_28_arg_0 ? var_28_arg_1 : var_28_arg_2 [L456] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L457] SORT_1 var_33_arg_0 = var_32; [L458] SORT_3 var_33_arg_1 = state_29; [L459] SORT_3 var_33_arg_2 = var_28; [L460] EXPR var_33_arg_0 ? var_33_arg_1 : var_33_arg_2 [L460] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L461] SORT_1 var_38_arg_0 = var_37; [L462] SORT_3 var_38_arg_1 = state_34; [L463] SORT_3 var_38_arg_2 = var_33; [L464] EXPR var_38_arg_0 ? var_38_arg_1 : var_38_arg_2 [L464] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L465] SORT_1 var_43_arg_0 = var_42; [L466] SORT_3 var_43_arg_1 = state_39; [L467] SORT_3 var_43_arg_2 = var_38; [L468] EXPR var_43_arg_0 ? var_43_arg_1 : var_43_arg_2 [L468] SORT_3 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L469] SORT_1 var_48_arg_0 = var_47; [L470] SORT_3 var_48_arg_1 = state_44; [L471] SORT_3 var_48_arg_2 = var_43; [L472] EXPR var_48_arg_0 ? var_48_arg_1 : var_48_arg_2 [L472] SORT_3 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L473] SORT_1 var_53_arg_0 = var_52; [L474] SORT_3 var_53_arg_1 = state_49; [L475] SORT_3 var_53_arg_2 = var_48; [L476] EXPR var_53_arg_0 ? var_53_arg_1 : var_53_arg_2 [L476] SORT_3 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L477] SORT_1 var_58_arg_0 = var_57; [L478] SORT_3 var_58_arg_1 = state_54; [L479] SORT_3 var_58_arg_2 = var_53; [L480] EXPR var_58_arg_0 ? var_58_arg_1 : var_58_arg_2 [L480] SORT_3 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L481] SORT_1 var_63_arg_0 = var_62; [L482] SORT_3 var_63_arg_1 = state_59; [L483] SORT_3 var_63_arg_2 = var_58; [L484] EXPR var_63_arg_0 ? var_63_arg_1 : var_63_arg_2 [L484] SORT_3 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L485] SORT_1 var_68_arg_0 = var_67; [L486] SORT_3 var_68_arg_1 = state_64; [L487] SORT_3 var_68_arg_2 = var_63; [L488] EXPR var_68_arg_0 ? var_68_arg_1 : var_68_arg_2 [L488] SORT_3 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L489] SORT_1 var_73_arg_0 = var_72; [L490] SORT_3 var_73_arg_1 = state_69; [L491] SORT_3 var_73_arg_2 = var_68; [L492] EXPR var_73_arg_0 ? var_73_arg_1 : var_73_arg_2 [L492] SORT_3 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L493] SORT_1 var_78_arg_0 = var_77; [L494] SORT_3 var_78_arg_1 = state_74; [L495] SORT_3 var_78_arg_2 = var_73; [L496] EXPR var_78_arg_0 ? var_78_arg_1 : var_78_arg_2 [L496] SORT_3 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L497] SORT_1 var_83_arg_0 = var_82; [L498] SORT_3 var_83_arg_1 = state_79; [L499] SORT_3 var_83_arg_2 = var_78; [L500] EXPR var_83_arg_0 ? var_83_arg_1 : var_83_arg_2 [L500] SORT_3 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L501] SORT_1 var_88_arg_0 = var_87; [L502] SORT_3 var_88_arg_1 = state_84; [L503] SORT_3 var_88_arg_2 = var_83; [L504] EXPR var_88_arg_0 ? var_88_arg_1 : var_88_arg_2 [L504] SORT_3 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L505] SORT_1 var_93_arg_0 = var_92; [L506] SORT_3 var_93_arg_1 = state_89; [L507] SORT_3 var_93_arg_2 = var_88; [L508] EXPR var_93_arg_0 ? var_93_arg_1 : var_93_arg_2 [L508] SORT_3 var_93 = var_93_arg_0 ? var_93_arg_1 : var_93_arg_2; [L509] SORT_1 var_98_arg_0 = var_97; [L510] SORT_3 var_98_arg_1 = state_94; [L511] SORT_3 var_98_arg_2 = var_93; [L512] EXPR var_98_arg_0 ? var_98_arg_1 : var_98_arg_2 [L512] SORT_3 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L513] SORT_1 var_104_arg_0 = var_103; [L514] SORT_3 var_104_arg_1 = state_99; [L515] SORT_3 var_104_arg_2 = var_98; [L516] EXPR var_104_arg_0 ? var_104_arg_1 : var_104_arg_2 [L516] SORT_3 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L517] SORT_1 var_109_arg_0 = var_108; [L518] SORT_3 var_109_arg_1 = state_105; [L519] SORT_3 var_109_arg_2 = var_104; [L520] EXPR var_109_arg_0 ? var_109_arg_1 : var_109_arg_2 [L520] SORT_3 var_109 = var_109_arg_0 ? var_109_arg_1 : var_109_arg_2; [L521] SORT_1 var_114_arg_0 = var_113; [L522] SORT_3 var_114_arg_1 = state_110; [L523] SORT_3 var_114_arg_2 = var_109; [L524] EXPR var_114_arg_0 ? var_114_arg_1 : var_114_arg_2 [L524] SORT_3 var_114 = var_114_arg_0 ? var_114_arg_1 : var_114_arg_2; [L525] SORT_1 var_119_arg_0 = var_118; [L526] SORT_3 var_119_arg_1 = state_115; [L527] SORT_3 var_119_arg_2 = var_114; [L528] EXPR var_119_arg_0 ? var_119_arg_1 : var_119_arg_2 [L528] SORT_3 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L529] SORT_1 var_124_arg_0 = var_123; [L530] SORT_3 var_124_arg_1 = state_120; [L531] SORT_3 var_124_arg_2 = var_119; [L532] EXPR var_124_arg_0 ? var_124_arg_1 : var_124_arg_2 [L532] SORT_3 var_124 = var_124_arg_0 ? var_124_arg_1 : var_124_arg_2; [L533] SORT_1 var_129_arg_0 = var_128; [L534] SORT_3 var_129_arg_1 = state_125; [L535] SORT_3 var_129_arg_2 = var_124; [L536] EXPR var_129_arg_0 ? var_129_arg_1 : var_129_arg_2 [L536] SORT_3 var_129 = var_129_arg_0 ? var_129_arg_1 : var_129_arg_2; [L537] SORT_1 var_134_arg_0 = var_133; [L538] SORT_3 var_134_arg_1 = state_130; [L539] SORT_3 var_134_arg_2 = var_129; [L540] EXPR var_134_arg_0 ? var_134_arg_1 : var_134_arg_2 [L540] SORT_3 var_134 = var_134_arg_0 ? var_134_arg_1 : var_134_arg_2; [L541] SORT_1 var_139_arg_0 = var_138; [L542] SORT_3 var_139_arg_1 = state_135; [L543] SORT_3 var_139_arg_2 = var_134; [L544] EXPR var_139_arg_0 ? var_139_arg_1 : var_139_arg_2 [L544] SORT_3 var_139 = var_139_arg_0 ? var_139_arg_1 : var_139_arg_2; [L545] SORT_1 var_145_arg_0 = var_144; [L546] SORT_3 var_145_arg_1 = state_140; [L547] SORT_3 var_145_arg_2 = var_139; [L548] EXPR var_145_arg_0 ? var_145_arg_1 : var_145_arg_2 [L548] SORT_3 var_145 = var_145_arg_0 ? var_145_arg_1 : var_145_arg_2; [L549] SORT_1 var_150_arg_0 = var_149; [L550] SORT_3 var_150_arg_1 = state_146; [L551] SORT_3 var_150_arg_2 = var_145; [L552] EXPR var_150_arg_0 ? var_150_arg_1 : var_150_arg_2 [L552] SORT_3 var_150 = var_150_arg_0 ? var_150_arg_1 : var_150_arg_2; [L553] SORT_1 var_155_arg_0 = var_154; [L554] SORT_3 var_155_arg_1 = state_151; [L555] SORT_3 var_155_arg_2 = var_150; [L556] EXPR var_155_arg_0 ? var_155_arg_1 : var_155_arg_2 [L556] SORT_3 var_155 = var_155_arg_0 ? var_155_arg_1 : var_155_arg_2; [L557] SORT_1 var_160_arg_0 = var_159; [L558] SORT_3 var_160_arg_1 = state_156; [L559] SORT_3 var_160_arg_2 = var_155; [L560] EXPR var_160_arg_0 ? var_160_arg_1 : var_160_arg_2 [L560] SORT_3 var_160 = var_160_arg_0 ? var_160_arg_1 : var_160_arg_2; [L561] SORT_1 var_166_arg_0 = var_165; [L562] SORT_3 var_166_arg_1 = state_161; [L563] SORT_3 var_166_arg_2 = var_160; [L564] EXPR var_166_arg_0 ? var_166_arg_1 : var_166_arg_2 [L564] SORT_3 var_166 = var_166_arg_0 ? var_166_arg_1 : var_166_arg_2; [L565] SORT_1 var_171_arg_0 = var_170; [L566] SORT_3 var_171_arg_1 = state_167; [L567] SORT_3 var_171_arg_2 = var_166; [L568] EXPR var_171_arg_0 ? var_171_arg_1 : var_171_arg_2 [L568] SORT_3 var_171 = var_171_arg_0 ? var_171_arg_1 : var_171_arg_2; [L569] SORT_1 var_176_arg_0 = var_175; [L570] SORT_3 var_176_arg_1 = state_172; [L571] SORT_3 var_176_arg_2 = var_171; [L572] EXPR var_176_arg_0 ? var_176_arg_1 : var_176_arg_2 [L572] SORT_3 var_176 = var_176_arg_0 ? var_176_arg_1 : var_176_arg_2; [L573] SORT_1 var_180_arg_0 = var_179; [L574] SORT_3 var_180_arg_1 = state_177; [L575] SORT_3 var_180_arg_2 = var_176; [L576] EXPR var_180_arg_0 ? var_180_arg_1 : var_180_arg_2 [L576] SORT_3 var_180 = var_180_arg_0 ? var_180_arg_1 : var_180_arg_2; [L577] var_180 = var_180 & mask_SORT_3 [L578] SORT_3 var_210_arg_0 = state_209; [L579] SORT_3 var_210_arg_1 = var_180; [L580] SORT_1 var_210 = var_210_arg_0 == var_210_arg_1; [L581] SORT_1 var_211_arg_0 = var_208; [L582] SORT_1 var_211_arg_1 = var_210; [L583] SORT_1 var_211 = var_211_arg_0 | var_211_arg_1; [L584] SORT_1 var_232_arg_0 = state_213; [L585] SORT_1 var_232_arg_1 = input_231; [L586] SORT_1 var_232_arg_2 = var_211; [L587] EXPR var_232_arg_0 ? var_232_arg_1 : var_232_arg_2 [L587] SORT_1 var_232 = var_232_arg_0 ? var_232_arg_1 : var_232_arg_2; [L588] SORT_1 var_235_arg_0 = var_232; [L589] SORT_1 var_235 = ~var_235_arg_0; [L590] SORT_1 var_236_arg_0 = var_234; [L591] SORT_1 var_236_arg_1 = var_235; [L592] SORT_1 var_236 = var_236_arg_0 & var_236_arg_1; [L593] var_236 = var_236 & mask_SORT_1 [L594] SORT_1 bad_237_arg_0 = var_236; [L595] CALL __VERIFIER_assert(!(bad_237_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L595] RET __VERIFIER_assert(!(bad_237_arg_0)) [L597] SORT_11 var_283_arg_0 = state_282; [L598] SORT_13 var_283 = var_283_arg_0 >> 0; [L599] var_283 = var_283 & mask_SORT_13 [L600] SORT_13 var_459_arg_0 = var_283; [L601] SORT_13 var_459_arg_1 = var_15; [L602] SORT_1 var_459 = var_459_arg_0 == var_459_arg_1; [L603] SORT_1 var_460_arg_0 = input_6; [L604] SORT_1 var_460_arg_1 = var_459; [L605] SORT_1 var_460 = var_460_arg_0 & var_460_arg_1; [L606] var_460 = var_460 & mask_SORT_1 [L607] SORT_1 var_581_arg_0 = var_460; [L608] SORT_3 var_581_arg_1 = input_4; [L609] SORT_3 var_581_arg_2 = state_10; [L610] EXPR var_581_arg_0 ? var_581_arg_1 : var_581_arg_2 [L610] SORT_3 var_581 = var_581_arg_0 ? var_581_arg_1 : var_581_arg_2; [L611] SORT_1 var_583_arg_0 = input_7; [L612] SORT_3 var_583_arg_1 = var_582; [L613] SORT_3 var_583_arg_2 = var_581; [L614] EXPR var_583_arg_0 ? var_583_arg_1 : var_583_arg_2 [L614] SORT_3 var_583 = var_583_arg_0 ? var_583_arg_1 : var_583_arg_2; [L615] SORT_3 next_584_arg_1 = var_583; [L616] SORT_1 var_241_arg_0 = input_6; [L617] SORT_1 var_241_arg_1 = input_5; [L618] SORT_1 var_241 = var_241_arg_0 | var_241_arg_1; [L619] SORT_1 var_242_arg_0 = var_241; [L620] SORT_1 var_242_arg_1 = input_7; [L621] SORT_1 var_242 = var_242_arg_0 | var_242_arg_1; [L622] var_242 = var_242 & mask_SORT_1 [L623] SORT_1 var_512_arg_0 = input_5; [L624] var_512_arg_0 = var_512_arg_0 & mask_SORT_1 [L625] SORT_11 var_512 = var_512_arg_0; [L626] SORT_11 var_513_arg_0 = state_12; [L627] SORT_11 var_513_arg_1 = var_512; [L628] SORT_11 var_513 = var_513_arg_0 + var_513_arg_1; [L629] SORT_1 var_585_arg_0 = var_242; [L630] SORT_11 var_585_arg_1 = var_513; [L631] SORT_11 var_585_arg_2 = state_12; [L632] EXPR var_585_arg_0 ? var_585_arg_1 : var_585_arg_2 [L632] SORT_11 var_585 = var_585_arg_0 ? var_585_arg_1 : var_585_arg_2; [L633] SORT_1 var_586_arg_0 = input_7; [L634] SORT_11 var_586_arg_1 = var_203; [L635] SORT_11 var_586_arg_2 = var_585; [L636] EXPR var_586_arg_0 ? var_586_arg_1 : var_586_arg_2 [L636] SORT_11 var_586 = var_586_arg_0 ? var_586_arg_1 : var_586_arg_2; [L637] SORT_11 next_587_arg_1 = var_586; [L638] SORT_19 var_452_arg_0 = var_20; [L639] var_452_arg_0 = var_452_arg_0 & mask_SORT_19 [L640] SORT_13 var_452 = var_452_arg_0; [L641] SORT_13 var_453_arg_0 = var_283; [L642] SORT_13 var_453_arg_1 = var_452; [L643] SORT_1 var_453 = var_453_arg_0 == var_453_arg_1; [L644] SORT_1 var_454_arg_0 = input_6; [L645] SORT_1 var_454_arg_1 = var_453; [L646] SORT_1 var_454 = var_454_arg_0 & var_454_arg_1; [L647] var_454 = var_454 & mask_SORT_1 [L648] SORT_1 var_588_arg_0 = var_454; [L649] SORT_3 var_588_arg_1 = input_4; [L650] SORT_3 var_588_arg_2 = state_18; [L651] EXPR var_588_arg_0 ? var_588_arg_1 : var_588_arg_2 [L651] SORT_3 var_588 = var_588_arg_0 ? var_588_arg_1 : var_588_arg_2; [L652] SORT_1 var_589_arg_0 = input_7; [L653] SORT_3 var_589_arg_1 = var_582; [L654] SORT_3 var_589_arg_2 = var_588; [L655] EXPR var_589_arg_0 ? var_589_arg_1 : var_589_arg_2 [L655] SORT_3 var_589 = var_589_arg_0 ? var_589_arg_1 : var_589_arg_2; [L656] SORT_3 next_590_arg_1 = var_589; [L657] SORT_19 var_445_arg_0 = var_25; [L658] var_445_arg_0 = var_445_arg_0 & mask_SORT_19 [L659] SORT_13 var_445 = var_445_arg_0; [L660] SORT_13 var_446_arg_0 = var_283; [L661] SORT_13 var_446_arg_1 = var_445; [L662] SORT_1 var_446 = var_446_arg_0 == var_446_arg_1; [L663] SORT_1 var_447_arg_0 = input_6; [L664] SORT_1 var_447_arg_1 = var_446; [L665] SORT_1 var_447 = var_447_arg_0 & var_447_arg_1; [L666] var_447 = var_447 & mask_SORT_1 [L667] SORT_1 var_591_arg_0 = var_447; [L668] SORT_3 var_591_arg_1 = input_4; [L669] SORT_3 var_591_arg_2 = state_24; [L670] EXPR var_591_arg_0 ? var_591_arg_1 : var_591_arg_2 [L670] SORT_3 var_591 = var_591_arg_0 ? var_591_arg_1 : var_591_arg_2; [L671] SORT_1 var_592_arg_0 = input_7; [L672] SORT_3 var_592_arg_1 = var_582; [L673] SORT_3 var_592_arg_2 = var_591; [L674] EXPR var_592_arg_0 ? var_592_arg_1 : var_592_arg_2 [L674] SORT_3 var_592 = var_592_arg_0 ? var_592_arg_1 : var_592_arg_2; [L675] SORT_3 next_593_arg_1 = var_592; [L676] SORT_19 var_431_arg_0 = var_30; [L677] var_431_arg_0 = var_431_arg_0 & mask_SORT_19 [L678] SORT_13 var_431 = var_431_arg_0; [L679] SORT_13 var_432_arg_0 = var_283; [L680] SORT_13 var_432_arg_1 = var_431; [L681] SORT_1 var_432 = var_432_arg_0 == var_432_arg_1; [L682] SORT_1 var_433_arg_0 = input_6; [L683] SORT_1 var_433_arg_1 = var_432; [L684] SORT_1 var_433 = var_433_arg_0 & var_433_arg_1; [L685] var_433 = var_433 & mask_SORT_1 [L686] SORT_1 var_594_arg_0 = var_433; [L687] SORT_3 var_594_arg_1 = input_4; [L688] SORT_3 var_594_arg_2 = state_29; [L689] EXPR var_594_arg_0 ? var_594_arg_1 : var_594_arg_2 [L689] SORT_3 var_594 = var_594_arg_0 ? var_594_arg_1 : var_594_arg_2; [L690] SORT_1 var_595_arg_0 = input_7; [L691] SORT_3 var_595_arg_1 = var_582; [L692] SORT_3 var_595_arg_2 = var_594; [L693] EXPR var_595_arg_0 ? var_595_arg_1 : var_595_arg_2 [L693] SORT_3 var_595 = var_595_arg_0 ? var_595_arg_1 : var_595_arg_2; [L694] SORT_3 next_596_arg_1 = var_595; [L695] SORT_19 var_424_arg_0 = var_35; [L696] var_424_arg_0 = var_424_arg_0 & mask_SORT_19 [L697] SORT_13 var_424 = var_424_arg_0; [L698] SORT_13 var_425_arg_0 = var_283; [L699] SORT_13 var_425_arg_1 = var_424; [L700] SORT_1 var_425 = var_425_arg_0 == var_425_arg_1; [L701] SORT_1 var_426_arg_0 = input_6; [L702] SORT_1 var_426_arg_1 = var_425; [L703] SORT_1 var_426 = var_426_arg_0 & var_426_arg_1; [L704] var_426 = var_426 & mask_SORT_1 [L705] SORT_1 var_597_arg_0 = var_426; [L706] SORT_3 var_597_arg_1 = input_4; [L707] SORT_3 var_597_arg_2 = state_34; [L708] EXPR var_597_arg_0 ? var_597_arg_1 : var_597_arg_2 [L708] SORT_3 var_597 = var_597_arg_0 ? var_597_arg_1 : var_597_arg_2; [L709] SORT_1 var_598_arg_0 = input_7; [L710] SORT_3 var_598_arg_1 = var_582; [L711] SORT_3 var_598_arg_2 = var_597; [L712] EXPR var_598_arg_0 ? var_598_arg_1 : var_598_arg_2 [L712] SORT_3 var_598 = var_598_arg_0 ? var_598_arg_1 : var_598_arg_2; [L713] SORT_3 next_599_arg_1 = var_598; [L714] SORT_19 var_417_arg_0 = var_40; [L715] var_417_arg_0 = var_417_arg_0 & mask_SORT_19 [L716] SORT_13 var_417 = var_417_arg_0; [L717] SORT_13 var_418_arg_0 = var_283; [L718] SORT_13 var_418_arg_1 = var_417; [L719] SORT_1 var_418 = var_418_arg_0 == var_418_arg_1; [L720] SORT_1 var_419_arg_0 = input_6; [L721] SORT_1 var_419_arg_1 = var_418; [L722] SORT_1 var_419 = var_419_arg_0 & var_419_arg_1; [L723] var_419 = var_419 & mask_SORT_1 [L724] SORT_1 var_600_arg_0 = var_419; [L725] SORT_3 var_600_arg_1 = input_4; [L726] SORT_3 var_600_arg_2 = state_39; [L727] EXPR var_600_arg_0 ? var_600_arg_1 : var_600_arg_2 [L727] SORT_3 var_600 = var_600_arg_0 ? var_600_arg_1 : var_600_arg_2; [L728] SORT_1 var_601_arg_0 = input_7; [L729] SORT_3 var_601_arg_1 = var_582; [L730] SORT_3 var_601_arg_2 = var_600; [L731] EXPR var_601_arg_0 ? var_601_arg_1 : var_601_arg_2 [L731] SORT_3 var_601 = var_601_arg_0 ? var_601_arg_1 : var_601_arg_2; [L732] SORT_3 next_602_arg_1 = var_601; [L733] SORT_19 var_410_arg_0 = var_45; [L734] var_410_arg_0 = var_410_arg_0 & mask_SORT_19 [L735] SORT_13 var_410 = var_410_arg_0; [L736] SORT_13 var_411_arg_0 = var_283; [L737] SORT_13 var_411_arg_1 = var_410; [L738] SORT_1 var_411 = var_411_arg_0 == var_411_arg_1; [L739] SORT_1 var_412_arg_0 = input_6; [L740] SORT_1 var_412_arg_1 = var_411; [L741] SORT_1 var_412 = var_412_arg_0 & var_412_arg_1; [L742] var_412 = var_412 & mask_SORT_1 [L743] SORT_1 var_603_arg_0 = var_412; [L744] SORT_3 var_603_arg_1 = input_4; [L745] SORT_3 var_603_arg_2 = state_44; [L746] EXPR var_603_arg_0 ? var_603_arg_1 : var_603_arg_2 [L746] SORT_3 var_603 = var_603_arg_0 ? var_603_arg_1 : var_603_arg_2; [L747] SORT_1 var_604_arg_0 = input_7; [L748] SORT_3 var_604_arg_1 = var_582; [L749] SORT_3 var_604_arg_2 = var_603; [L750] EXPR var_604_arg_0 ? var_604_arg_1 : var_604_arg_2 [L750] SORT_3 var_604 = var_604_arg_0 ? var_604_arg_1 : var_604_arg_2; [L751] SORT_3 next_605_arg_1 = var_604; [L752] SORT_19 var_403_arg_0 = var_50; [L753] var_403_arg_0 = var_403_arg_0 & mask_SORT_19 [L754] SORT_13 var_403 = var_403_arg_0; [L755] SORT_13 var_404_arg_0 = var_283; [L756] SORT_13 var_404_arg_1 = var_403; [L757] SORT_1 var_404 = var_404_arg_0 == var_404_arg_1; [L758] SORT_1 var_405_arg_0 = input_6; [L759] SORT_1 var_405_arg_1 = var_404; [L760] SORT_1 var_405 = var_405_arg_0 & var_405_arg_1; [L761] var_405 = var_405 & mask_SORT_1 [L762] SORT_1 var_606_arg_0 = var_405; [L763] SORT_3 var_606_arg_1 = input_4; [L764] SORT_3 var_606_arg_2 = state_49; [L765] EXPR var_606_arg_0 ? var_606_arg_1 : var_606_arg_2 [L765] SORT_3 var_606 = var_606_arg_0 ? var_606_arg_1 : var_606_arg_2; [L766] SORT_1 var_607_arg_0 = input_7; [L767] SORT_3 var_607_arg_1 = var_582; [L768] SORT_3 var_607_arg_2 = var_606; [L769] EXPR var_607_arg_0 ? var_607_arg_1 : var_607_arg_2 [L769] SORT_3 var_607 = var_607_arg_0 ? var_607_arg_1 : var_607_arg_2; [L770] SORT_3 next_608_arg_1 = var_607; [L771] SORT_19 var_396_arg_0 = var_55; [L772] var_396_arg_0 = var_396_arg_0 & mask_SORT_19 [L773] SORT_13 var_396 = var_396_arg_0; [L774] SORT_13 var_397_arg_0 = var_283; [L775] SORT_13 var_397_arg_1 = var_396; [L776] SORT_1 var_397 = var_397_arg_0 == var_397_arg_1; [L777] SORT_1 var_398_arg_0 = input_6; [L778] SORT_1 var_398_arg_1 = var_397; [L779] SORT_1 var_398 = var_398_arg_0 & var_398_arg_1; [L780] var_398 = var_398 & mask_SORT_1 [L781] SORT_1 var_609_arg_0 = var_398; [L782] SORT_3 var_609_arg_1 = input_4; [L783] SORT_3 var_609_arg_2 = state_54; [L784] EXPR var_609_arg_0 ? var_609_arg_1 : var_609_arg_2 [L784] SORT_3 var_609 = var_609_arg_0 ? var_609_arg_1 : var_609_arg_2; [L785] SORT_1 var_610_arg_0 = input_7; [L786] SORT_3 var_610_arg_1 = var_582; [L787] SORT_3 var_610_arg_2 = var_609; [L788] EXPR var_610_arg_0 ? var_610_arg_1 : var_610_arg_2 [L788] SORT_3 var_610 = var_610_arg_0 ? var_610_arg_1 : var_610_arg_2; [L789] SORT_3 next_611_arg_1 = var_610; [L790] SORT_19 var_389_arg_0 = var_60; [L791] var_389_arg_0 = var_389_arg_0 & mask_SORT_19 [L792] SORT_13 var_389 = var_389_arg_0; [L793] SORT_13 var_390_arg_0 = var_283; [L794] SORT_13 var_390_arg_1 = var_389; [L795] SORT_1 var_390 = var_390_arg_0 == var_390_arg_1; [L796] SORT_1 var_391_arg_0 = input_6; [L797] SORT_1 var_391_arg_1 = var_390; [L798] SORT_1 var_391 = var_391_arg_0 & var_391_arg_1; [L799] var_391 = var_391 & mask_SORT_1 [L800] SORT_1 var_612_arg_0 = var_391; [L801] SORT_3 var_612_arg_1 = input_4; [L802] SORT_3 var_612_arg_2 = state_59; [L803] EXPR var_612_arg_0 ? var_612_arg_1 : var_612_arg_2 [L803] SORT_3 var_612 = var_612_arg_0 ? var_612_arg_1 : var_612_arg_2; [L804] SORT_1 var_613_arg_0 = input_7; [L805] SORT_3 var_613_arg_1 = var_582; [L806] SORT_3 var_613_arg_2 = var_612; [L807] EXPR var_613_arg_0 ? var_613_arg_1 : var_613_arg_2 [L807] SORT_3 var_613 = var_613_arg_0 ? var_613_arg_1 : var_613_arg_2; [L808] SORT_3 next_614_arg_1 = var_613; [L809] SORT_19 var_382_arg_0 = var_65; [L810] var_382_arg_0 = var_382_arg_0 & mask_SORT_19 [L811] SORT_13 var_382 = var_382_arg_0; [L812] SORT_13 var_383_arg_0 = var_283; [L813] SORT_13 var_383_arg_1 = var_382; [L814] SORT_1 var_383 = var_383_arg_0 == var_383_arg_1; [L815] SORT_1 var_384_arg_0 = input_6; [L816] SORT_1 var_384_arg_1 = var_383; [L817] SORT_1 var_384 = var_384_arg_0 & var_384_arg_1; [L818] var_384 = var_384 & mask_SORT_1 [L819] SORT_1 var_615_arg_0 = var_384; [L820] SORT_3 var_615_arg_1 = input_4; [L821] SORT_3 var_615_arg_2 = state_64; [L822] EXPR var_615_arg_0 ? var_615_arg_1 : var_615_arg_2 [L822] SORT_3 var_615 = var_615_arg_0 ? var_615_arg_1 : var_615_arg_2; [L823] SORT_1 var_616_arg_0 = input_7; [L824] SORT_3 var_616_arg_1 = var_582; [L825] SORT_3 var_616_arg_2 = var_615; [L826] EXPR var_616_arg_0 ? var_616_arg_1 : var_616_arg_2 [L826] SORT_3 var_616 = var_616_arg_0 ? var_616_arg_1 : var_616_arg_2; [L827] SORT_3 next_617_arg_1 = var_616; [L828] SORT_19 var_375_arg_0 = var_70; [L829] var_375_arg_0 = var_375_arg_0 & mask_SORT_19 [L830] SORT_13 var_375 = var_375_arg_0; [L831] SORT_13 var_376_arg_0 = var_283; [L832] SORT_13 var_376_arg_1 = var_375; [L833] SORT_1 var_376 = var_376_arg_0 == var_376_arg_1; [L834] SORT_1 var_377_arg_0 = input_6; [L835] SORT_1 var_377_arg_1 = var_376; [L836] SORT_1 var_377 = var_377_arg_0 & var_377_arg_1; [L837] var_377 = var_377 & mask_SORT_1 [L838] SORT_1 var_618_arg_0 = var_377; [L839] SORT_3 var_618_arg_1 = input_4; [L840] SORT_3 var_618_arg_2 = state_69; [L841] EXPR var_618_arg_0 ? var_618_arg_1 : var_618_arg_2 [L841] SORT_3 var_618 = var_618_arg_0 ? var_618_arg_1 : var_618_arg_2; [L842] SORT_1 var_619_arg_0 = input_7; [L843] SORT_3 var_619_arg_1 = var_582; [L844] SORT_3 var_619_arg_2 = var_618; [L845] EXPR var_619_arg_0 ? var_619_arg_1 : var_619_arg_2 [L845] SORT_3 var_619 = var_619_arg_0 ? var_619_arg_1 : var_619_arg_2; [L846] SORT_3 next_620_arg_1 = var_619; [L847] SORT_19 var_368_arg_0 = var_75; [L848] var_368_arg_0 = var_368_arg_0 & mask_SORT_19 [L849] SORT_13 var_368 = var_368_arg_0; [L850] SORT_13 var_369_arg_0 = var_283; [L851] SORT_13 var_369_arg_1 = var_368; [L852] SORT_1 var_369 = var_369_arg_0 == var_369_arg_1; [L853] SORT_1 var_370_arg_0 = input_6; [L854] SORT_1 var_370_arg_1 = var_369; [L855] SORT_1 var_370 = var_370_arg_0 & var_370_arg_1; [L856] var_370 = var_370 & mask_SORT_1 [L857] SORT_1 var_621_arg_0 = var_370; [L858] SORT_3 var_621_arg_1 = input_4; [L859] SORT_3 var_621_arg_2 = state_74; [L860] EXPR var_621_arg_0 ? var_621_arg_1 : var_621_arg_2 [L860] SORT_3 var_621 = var_621_arg_0 ? var_621_arg_1 : var_621_arg_2; [L861] SORT_1 var_622_arg_0 = input_7; [L862] SORT_3 var_622_arg_1 = var_582; [L863] SORT_3 var_622_arg_2 = var_621; [L864] EXPR var_622_arg_0 ? var_622_arg_1 : var_622_arg_2 [L864] SORT_3 var_622 = var_622_arg_0 ? var_622_arg_1 : var_622_arg_2; [L865] SORT_3 next_623_arg_1 = var_622; [L866] SORT_19 var_354_arg_0 = var_80; [L867] var_354_arg_0 = var_354_arg_0 & mask_SORT_19 [L868] SORT_13 var_354 = var_354_arg_0; [L869] SORT_13 var_355_arg_0 = var_283; [L870] SORT_13 var_355_arg_1 = var_354; [L871] SORT_1 var_355 = var_355_arg_0 == var_355_arg_1; [L872] SORT_1 var_356_arg_0 = input_6; [L873] SORT_1 var_356_arg_1 = var_355; [L874] SORT_1 var_356 = var_356_arg_0 & var_356_arg_1; [L875] var_356 = var_356 & mask_SORT_1 [L876] SORT_1 var_624_arg_0 = var_356; [L877] SORT_3 var_624_arg_1 = input_4; [L878] SORT_3 var_624_arg_2 = state_79; [L879] EXPR var_624_arg_0 ? var_624_arg_1 : var_624_arg_2 [L879] SORT_3 var_624 = var_624_arg_0 ? var_624_arg_1 : var_624_arg_2; [L880] SORT_1 var_625_arg_0 = input_7; [L881] SORT_3 var_625_arg_1 = var_582; [L882] SORT_3 var_625_arg_2 = var_624; [L883] EXPR var_625_arg_0 ? var_625_arg_1 : var_625_arg_2 [L883] SORT_3 var_625 = var_625_arg_0 ? var_625_arg_1 : var_625_arg_2; [L884] SORT_3 next_626_arg_1 = var_625; [L885] SORT_19 var_347_arg_0 = var_85; [L886] var_347_arg_0 = var_347_arg_0 & mask_SORT_19 [L887] SORT_13 var_347 = var_347_arg_0; [L888] SORT_13 var_348_arg_0 = var_283; [L889] SORT_13 var_348_arg_1 = var_347; [L890] SORT_1 var_348 = var_348_arg_0 == var_348_arg_1; [L891] SORT_1 var_349_arg_0 = input_6; [L892] SORT_1 var_349_arg_1 = var_348; [L893] SORT_1 var_349 = var_349_arg_0 & var_349_arg_1; [L894] var_349 = var_349 & mask_SORT_1 [L895] SORT_1 var_627_arg_0 = var_349; [L896] SORT_3 var_627_arg_1 = input_4; [L897] SORT_3 var_627_arg_2 = state_84; [L898] EXPR var_627_arg_0 ? var_627_arg_1 : var_627_arg_2 [L898] SORT_3 var_627 = var_627_arg_0 ? var_627_arg_1 : var_627_arg_2; [L899] SORT_1 var_628_arg_0 = input_7; [L900] SORT_3 var_628_arg_1 = var_582; [L901] SORT_3 var_628_arg_2 = var_627; [L902] EXPR var_628_arg_0 ? var_628_arg_1 : var_628_arg_2 [L902] SORT_3 var_628 = var_628_arg_0 ? var_628_arg_1 : var_628_arg_2; [L903] SORT_3 next_629_arg_1 = var_628; [L904] SORT_19 var_340_arg_0 = var_90; [L905] var_340_arg_0 = var_340_arg_0 & mask_SORT_19 [L906] SORT_13 var_340 = var_340_arg_0; [L907] SORT_13 var_341_arg_0 = var_283; [L908] SORT_13 var_341_arg_1 = var_340; [L909] SORT_1 var_341 = var_341_arg_0 == var_341_arg_1; [L910] SORT_1 var_342_arg_0 = input_6; [L911] SORT_1 var_342_arg_1 = var_341; [L912] SORT_1 var_342 = var_342_arg_0 & var_342_arg_1; [L913] var_342 = var_342 & mask_SORT_1 [L914] SORT_1 var_630_arg_0 = var_342; [L915] SORT_3 var_630_arg_1 = input_4; [L916] SORT_3 var_630_arg_2 = state_89; [L917] EXPR var_630_arg_0 ? var_630_arg_1 : var_630_arg_2 [L917] SORT_3 var_630 = var_630_arg_0 ? var_630_arg_1 : var_630_arg_2; [L918] SORT_1 var_631_arg_0 = input_7; [L919] SORT_3 var_631_arg_1 = var_582; [L920] SORT_3 var_631_arg_2 = var_630; [L921] EXPR var_631_arg_0 ? var_631_arg_1 : var_631_arg_2 [L921] SORT_3 var_631 = var_631_arg_0 ? var_631_arg_1 : var_631_arg_2; [L922] SORT_3 next_632_arg_1 = var_631; [L923] SORT_19 var_333_arg_0 = var_95; [L924] var_333_arg_0 = var_333_arg_0 & mask_SORT_19 [L925] SORT_13 var_333 = var_333_arg_0; [L926] SORT_13 var_334_arg_0 = var_283; [L927] SORT_13 var_334_arg_1 = var_333; [L928] SORT_1 var_334 = var_334_arg_0 == var_334_arg_1; [L929] SORT_1 var_335_arg_0 = input_6; [L930] SORT_1 var_335_arg_1 = var_334; [L931] SORT_1 var_335 = var_335_arg_0 & var_335_arg_1; [L932] var_335 = var_335 & mask_SORT_1 [L933] SORT_1 var_633_arg_0 = var_335; [L934] SORT_3 var_633_arg_1 = input_4; [L935] SORT_3 var_633_arg_2 = state_94; [L936] EXPR var_633_arg_0 ? var_633_arg_1 : var_633_arg_2 [L936] SORT_3 var_633 = var_633_arg_0 ? var_633_arg_1 : var_633_arg_2; [L937] SORT_1 var_634_arg_0 = input_7; [L938] SORT_3 var_634_arg_1 = var_582; [L939] SORT_3 var_634_arg_2 = var_633; [L940] EXPR var_634_arg_0 ? var_634_arg_1 : var_634_arg_2 [L940] SORT_3 var_634 = var_634_arg_0 ? var_634_arg_1 : var_634_arg_2; [L941] SORT_3 next_635_arg_1 = var_634; [L942] SORT_100 var_326_arg_0 = var_101; [L943] var_326_arg_0 = var_326_arg_0 & mask_SORT_100 [L944] SORT_13 var_326 = var_326_arg_0; [L945] SORT_13 var_327_arg_0 = var_283; [L946] SORT_13 var_327_arg_1 = var_326; [L947] SORT_1 var_327 = var_327_arg_0 == var_327_arg_1; [L948] SORT_1 var_328_arg_0 = input_6; [L949] SORT_1 var_328_arg_1 = var_327; [L950] SORT_1 var_328 = var_328_arg_0 & var_328_arg_1; [L951] var_328 = var_328 & mask_SORT_1 [L952] SORT_1 var_636_arg_0 = var_328; [L953] SORT_3 var_636_arg_1 = input_4; [L954] SORT_3 var_636_arg_2 = state_99; [L955] EXPR var_636_arg_0 ? var_636_arg_1 : var_636_arg_2 [L955] SORT_3 var_636 = var_636_arg_0 ? var_636_arg_1 : var_636_arg_2; [L956] SORT_1 var_637_arg_0 = input_7; [L957] SORT_3 var_637_arg_1 = var_582; [L958] SORT_3 var_637_arg_2 = var_636; [L959] EXPR var_637_arg_0 ? var_637_arg_1 : var_637_arg_2 [L959] SORT_3 var_637 = var_637_arg_0 ? var_637_arg_1 : var_637_arg_2; [L960] SORT_3 next_638_arg_1 = var_637; [L961] SORT_100 var_319_arg_0 = var_106; [L962] var_319_arg_0 = var_319_arg_0 & mask_SORT_100 [L963] SORT_13 var_319 = var_319_arg_0; [L964] SORT_13 var_320_arg_0 = var_283; [L965] SORT_13 var_320_arg_1 = var_319; [L966] SORT_1 var_320 = var_320_arg_0 == var_320_arg_1; [L967] SORT_1 var_321_arg_0 = input_6; [L968] SORT_1 var_321_arg_1 = var_320; [L969] SORT_1 var_321 = var_321_arg_0 & var_321_arg_1; [L970] var_321 = var_321 & mask_SORT_1 [L971] SORT_1 var_639_arg_0 = var_321; [L972] SORT_3 var_639_arg_1 = input_4; [L973] SORT_3 var_639_arg_2 = state_105; [L974] EXPR var_639_arg_0 ? var_639_arg_1 : var_639_arg_2 [L974] SORT_3 var_639 = var_639_arg_0 ? var_639_arg_1 : var_639_arg_2; [L975] SORT_1 var_640_arg_0 = input_7; [L976] SORT_3 var_640_arg_1 = var_582; [L977] SORT_3 var_640_arg_2 = var_639; [L978] EXPR var_640_arg_0 ? var_640_arg_1 : var_640_arg_2 [L978] SORT_3 var_640 = var_640_arg_0 ? var_640_arg_1 : var_640_arg_2; [L979] SORT_3 next_641_arg_1 = var_640; [L980] SORT_100 var_312_arg_0 = var_111; [L981] var_312_arg_0 = var_312_arg_0 & mask_SORT_100 [L982] SORT_13 var_312 = var_312_arg_0; [L983] SORT_13 var_313_arg_0 = var_283; [L984] SORT_13 var_313_arg_1 = var_312; [L985] SORT_1 var_313 = var_313_arg_0 == var_313_arg_1; [L986] SORT_1 var_314_arg_0 = input_6; [L987] SORT_1 var_314_arg_1 = var_313; [L988] SORT_1 var_314 = var_314_arg_0 & var_314_arg_1; [L989] var_314 = var_314 & mask_SORT_1 [L990] SORT_1 var_642_arg_0 = var_314; [L991] SORT_3 var_642_arg_1 = input_4; [L992] SORT_3 var_642_arg_2 = state_110; [L993] EXPR var_642_arg_0 ? var_642_arg_1 : var_642_arg_2 [L993] SORT_3 var_642 = var_642_arg_0 ? var_642_arg_1 : var_642_arg_2; [L994] SORT_1 var_643_arg_0 = input_7; [L995] SORT_3 var_643_arg_1 = var_582; [L996] SORT_3 var_643_arg_2 = var_642; [L997] EXPR var_643_arg_0 ? var_643_arg_1 : var_643_arg_2 [L997] SORT_3 var_643 = var_643_arg_0 ? var_643_arg_1 : var_643_arg_2; [L998] SORT_3 next_644_arg_1 = var_643; [L999] SORT_100 var_305_arg_0 = var_116; [L1000] var_305_arg_0 = var_305_arg_0 & mask_SORT_100 [L1001] SORT_13 var_305 = var_305_arg_0; [L1002] SORT_13 var_306_arg_0 = var_283; [L1003] SORT_13 var_306_arg_1 = var_305; [L1004] SORT_1 var_306 = var_306_arg_0 == var_306_arg_1; [L1005] SORT_1 var_307_arg_0 = input_6; [L1006] SORT_1 var_307_arg_1 = var_306; [L1007] SORT_1 var_307 = var_307_arg_0 & var_307_arg_1; [L1008] var_307 = var_307 & mask_SORT_1 [L1009] SORT_1 var_645_arg_0 = var_307; [L1010] SORT_3 var_645_arg_1 = input_4; [L1011] SORT_3 var_645_arg_2 = state_115; [L1012] EXPR var_645_arg_0 ? var_645_arg_1 : var_645_arg_2 [L1012] SORT_3 var_645 = var_645_arg_0 ? var_645_arg_1 : var_645_arg_2; [L1013] SORT_1 var_646_arg_0 = input_7; [L1014] SORT_3 var_646_arg_1 = var_582; [L1015] SORT_3 var_646_arg_2 = var_645; [L1016] EXPR var_646_arg_0 ? var_646_arg_1 : var_646_arg_2 [L1016] SORT_3 var_646 = var_646_arg_0 ? var_646_arg_1 : var_646_arg_2; [L1017] SORT_3 next_647_arg_1 = var_646; [L1018] SORT_100 var_298_arg_0 = var_121; [L1019] var_298_arg_0 = var_298_arg_0 & mask_SORT_100 [L1020] SORT_13 var_298 = var_298_arg_0; [L1021] SORT_13 var_299_arg_0 = var_283; [L1022] SORT_13 var_299_arg_1 = var_298; [L1023] SORT_1 var_299 = var_299_arg_0 == var_299_arg_1; [L1024] SORT_1 var_300_arg_0 = input_6; [L1025] SORT_1 var_300_arg_1 = var_299; [L1026] SORT_1 var_300 = var_300_arg_0 & var_300_arg_1; [L1027] var_300 = var_300 & mask_SORT_1 [L1028] SORT_1 var_648_arg_0 = var_300; [L1029] SORT_3 var_648_arg_1 = input_4; [L1030] SORT_3 var_648_arg_2 = state_120; [L1031] EXPR var_648_arg_0 ? var_648_arg_1 : var_648_arg_2 [L1031] SORT_3 var_648 = var_648_arg_0 ? var_648_arg_1 : var_648_arg_2; [L1032] SORT_1 var_649_arg_0 = input_7; [L1033] SORT_3 var_649_arg_1 = var_582; [L1034] SORT_3 var_649_arg_2 = var_648; [L1035] EXPR var_649_arg_0 ? var_649_arg_1 : var_649_arg_2 [L1035] SORT_3 var_649 = var_649_arg_0 ? var_649_arg_1 : var_649_arg_2; [L1036] SORT_3 next_650_arg_1 = var_649; [L1037] SORT_100 var_291_arg_0 = var_126; [L1038] var_291_arg_0 = var_291_arg_0 & mask_SORT_100 [L1039] SORT_13 var_291 = var_291_arg_0; [L1040] SORT_13 var_292_arg_0 = var_283; [L1041] SORT_13 var_292_arg_1 = var_291; [L1042] SORT_1 var_292 = var_292_arg_0 == var_292_arg_1; [L1043] SORT_1 var_293_arg_0 = input_6; [L1044] SORT_1 var_293_arg_1 = var_292; [L1045] SORT_1 var_293 = var_293_arg_0 & var_293_arg_1; [L1046] var_293 = var_293 & mask_SORT_1 [L1047] SORT_1 var_651_arg_0 = var_293; [L1048] SORT_3 var_651_arg_1 = input_4; [L1049] SORT_3 var_651_arg_2 = state_125; [L1050] EXPR var_651_arg_0 ? var_651_arg_1 : var_651_arg_2 [L1050] SORT_3 var_651 = var_651_arg_0 ? var_651_arg_1 : var_651_arg_2; [L1051] SORT_1 var_652_arg_0 = input_7; [L1052] SORT_3 var_652_arg_1 = var_582; [L1053] SORT_3 var_652_arg_2 = var_651; [L1054] EXPR var_652_arg_0 ? var_652_arg_1 : var_652_arg_2 [L1054] SORT_3 var_652 = var_652_arg_0 ? var_652_arg_1 : var_652_arg_2; [L1055] SORT_3 next_653_arg_1 = var_652; [L1056] SORT_100 var_507_arg_0 = var_131; [L1057] var_507_arg_0 = var_507_arg_0 & mask_SORT_100 [L1058] SORT_13 var_507 = var_507_arg_0; [L1059] SORT_13 var_508_arg_0 = var_283; [L1060] SORT_13 var_508_arg_1 = var_507; [L1061] SORT_1 var_508 = var_508_arg_0 == var_508_arg_1; [L1062] SORT_1 var_509_arg_0 = input_6; [L1063] SORT_1 var_509_arg_1 = var_508; [L1064] SORT_1 var_509 = var_509_arg_0 & var_509_arg_1; [L1065] var_509 = var_509 & mask_SORT_1 [L1066] SORT_1 var_654_arg_0 = var_509; [L1067] SORT_3 var_654_arg_1 = input_4; [L1068] SORT_3 var_654_arg_2 = state_130; [L1069] EXPR var_654_arg_0 ? var_654_arg_1 : var_654_arg_2 [L1069] SORT_3 var_654 = var_654_arg_0 ? var_654_arg_1 : var_654_arg_2; [L1070] SORT_1 var_655_arg_0 = input_7; [L1071] SORT_3 var_655_arg_1 = var_582; [L1072] SORT_3 var_655_arg_2 = var_654; [L1073] EXPR var_655_arg_0 ? var_655_arg_1 : var_655_arg_2 [L1073] SORT_3 var_655 = var_655_arg_0 ? var_655_arg_1 : var_655_arg_2; [L1074] SORT_3 next_656_arg_1 = var_655; [L1075] SORT_100 var_500_arg_0 = var_136; [L1076] var_500_arg_0 = var_500_arg_0 & mask_SORT_100 [L1077] SORT_13 var_500 = var_500_arg_0; [L1078] SORT_13 var_501_arg_0 = var_283; [L1079] SORT_13 var_501_arg_1 = var_500; [L1080] SORT_1 var_501 = var_501_arg_0 == var_501_arg_1; [L1081] SORT_1 var_502_arg_0 = input_6; [L1082] SORT_1 var_502_arg_1 = var_501; [L1083] SORT_1 var_502 = var_502_arg_0 & var_502_arg_1; [L1084] var_502 = var_502 & mask_SORT_1 [L1085] SORT_1 var_657_arg_0 = var_502; [L1086] SORT_3 var_657_arg_1 = input_4; [L1087] SORT_3 var_657_arg_2 = state_135; [L1088] EXPR var_657_arg_0 ? var_657_arg_1 : var_657_arg_2 [L1088] SORT_3 var_657 = var_657_arg_0 ? var_657_arg_1 : var_657_arg_2; [L1089] SORT_1 var_658_arg_0 = input_7; [L1090] SORT_3 var_658_arg_1 = var_582; [L1091] SORT_3 var_658_arg_2 = var_657; [L1092] EXPR var_658_arg_0 ? var_658_arg_1 : var_658_arg_2 [L1092] SORT_3 var_658 = var_658_arg_0 ? var_658_arg_1 : var_658_arg_2; [L1093] SORT_3 next_659_arg_1 = var_658; [L1094] SORT_141 var_493_arg_0 = var_142; [L1095] var_493_arg_0 = var_493_arg_0 & mask_SORT_141 [L1096] SORT_13 var_493 = var_493_arg_0; [L1097] SORT_13 var_494_arg_0 = var_283; [L1098] SORT_13 var_494_arg_1 = var_493; [L1099] SORT_1 var_494 = var_494_arg_0 == var_494_arg_1; [L1100] SORT_1 var_495_arg_0 = input_6; [L1101] SORT_1 var_495_arg_1 = var_494; [L1102] SORT_1 var_495 = var_495_arg_0 & var_495_arg_1; [L1103] var_495 = var_495 & mask_SORT_1 [L1104] SORT_1 var_660_arg_0 = var_495; [L1105] SORT_3 var_660_arg_1 = input_4; [L1106] SORT_3 var_660_arg_2 = state_140; [L1107] EXPR var_660_arg_0 ? var_660_arg_1 : var_660_arg_2 [L1107] SORT_3 var_660 = var_660_arg_0 ? var_660_arg_1 : var_660_arg_2; [L1108] SORT_1 var_661_arg_0 = input_7; [L1109] SORT_3 var_661_arg_1 = var_582; [L1110] SORT_3 var_661_arg_2 = var_660; [L1111] EXPR var_661_arg_0 ? var_661_arg_1 : var_661_arg_2 [L1111] SORT_3 var_661 = var_661_arg_0 ? var_661_arg_1 : var_661_arg_2; [L1112] SORT_3 next_662_arg_1 = var_661; [L1113] SORT_141 var_486_arg_0 = var_147; [L1114] var_486_arg_0 = var_486_arg_0 & mask_SORT_141 [L1115] SORT_13 var_486 = var_486_arg_0; [L1116] SORT_13 var_487_arg_0 = var_283; [L1117] SORT_13 var_487_arg_1 = var_486; [L1118] SORT_1 var_487 = var_487_arg_0 == var_487_arg_1; [L1119] SORT_1 var_488_arg_0 = input_6; [L1120] SORT_1 var_488_arg_1 = var_487; [L1121] SORT_1 var_488 = var_488_arg_0 & var_488_arg_1; [L1122] var_488 = var_488 & mask_SORT_1 [L1123] SORT_1 var_663_arg_0 = var_488; [L1124] SORT_3 var_663_arg_1 = input_4; [L1125] SORT_3 var_663_arg_2 = state_146; [L1126] EXPR var_663_arg_0 ? var_663_arg_1 : var_663_arg_2 [L1126] SORT_3 var_663 = var_663_arg_0 ? var_663_arg_1 : var_663_arg_2; [L1127] SORT_1 var_664_arg_0 = input_7; [L1128] SORT_3 var_664_arg_1 = var_582; [L1129] SORT_3 var_664_arg_2 = var_663; [L1130] EXPR var_664_arg_0 ? var_664_arg_1 : var_664_arg_2 [L1130] SORT_3 var_664 = var_664_arg_0 ? var_664_arg_1 : var_664_arg_2; [L1131] SORT_3 next_665_arg_1 = var_664; [L1132] SORT_141 var_479_arg_0 = var_152; [L1133] var_479_arg_0 = var_479_arg_0 & mask_SORT_141 [L1134] SORT_13 var_479 = var_479_arg_0; [L1135] SORT_13 var_480_arg_0 = var_283; [L1136] SORT_13 var_480_arg_1 = var_479; [L1137] SORT_1 var_480 = var_480_arg_0 == var_480_arg_1; [L1138] SORT_1 var_481_arg_0 = input_6; [L1139] SORT_1 var_481_arg_1 = var_480; [L1140] SORT_1 var_481 = var_481_arg_0 & var_481_arg_1; [L1141] var_481 = var_481 & mask_SORT_1 [L1142] SORT_1 var_666_arg_0 = var_481; [L1143] SORT_3 var_666_arg_1 = input_4; [L1144] SORT_3 var_666_arg_2 = state_151; [L1145] EXPR var_666_arg_0 ? var_666_arg_1 : var_666_arg_2 [L1145] SORT_3 var_666 = var_666_arg_0 ? var_666_arg_1 : var_666_arg_2; [L1146] SORT_1 var_667_arg_0 = input_7; [L1147] SORT_3 var_667_arg_1 = var_582; [L1148] SORT_3 var_667_arg_2 = var_666; [L1149] EXPR var_667_arg_0 ? var_667_arg_1 : var_667_arg_2 [L1149] SORT_3 var_667 = var_667_arg_0 ? var_667_arg_1 : var_667_arg_2; [L1150] SORT_3 next_668_arg_1 = var_667; [L1151] SORT_141 var_472_arg_0 = var_157; [L1152] var_472_arg_0 = var_472_arg_0 & mask_SORT_141 [L1153] SORT_13 var_472 = var_472_arg_0; [L1154] SORT_13 var_473_arg_0 = var_283; [L1155] SORT_13 var_473_arg_1 = var_472; [L1156] SORT_1 var_473 = var_473_arg_0 == var_473_arg_1; [L1157] SORT_1 var_474_arg_0 = input_6; [L1158] SORT_1 var_474_arg_1 = var_473; [L1159] SORT_1 var_474 = var_474_arg_0 & var_474_arg_1; [L1160] var_474 = var_474 & mask_SORT_1 [L1161] SORT_1 var_669_arg_0 = var_474; [L1162] SORT_3 var_669_arg_1 = input_4; [L1163] SORT_3 var_669_arg_2 = state_156; [L1164] EXPR var_669_arg_0 ? var_669_arg_1 : var_669_arg_2 [L1164] SORT_3 var_669 = var_669_arg_0 ? var_669_arg_1 : var_669_arg_2; [L1165] SORT_1 var_670_arg_0 = input_7; [L1166] SORT_3 var_670_arg_1 = var_582; [L1167] SORT_3 var_670_arg_2 = var_669; [L1168] EXPR var_670_arg_0 ? var_670_arg_1 : var_670_arg_2 [L1168] SORT_3 var_670 = var_670_arg_0 ? var_670_arg_1 : var_670_arg_2; [L1169] SORT_3 next_671_arg_1 = var_670; [L1170] SORT_162 var_465_arg_0 = var_163; [L1171] var_465_arg_0 = var_465_arg_0 & mask_SORT_162 [L1172] SORT_13 var_465 = var_465_arg_0; [L1173] SORT_13 var_466_arg_0 = var_283; [L1174] SORT_13 var_466_arg_1 = var_465; [L1175] SORT_1 var_466 = var_466_arg_0 == var_466_arg_1; [L1176] SORT_1 var_467_arg_0 = input_6; [L1177] SORT_1 var_467_arg_1 = var_466; [L1178] SORT_1 var_467 = var_467_arg_0 & var_467_arg_1; [L1179] var_467 = var_467 & mask_SORT_1 [L1180] SORT_1 var_672_arg_0 = var_467; [L1181] SORT_3 var_672_arg_1 = input_4; [L1182] SORT_3 var_672_arg_2 = state_161; [L1183] EXPR var_672_arg_0 ? var_672_arg_1 : var_672_arg_2 [L1183] SORT_3 var_672 = var_672_arg_0 ? var_672_arg_1 : var_672_arg_2; [L1184] SORT_1 var_673_arg_0 = input_7; [L1185] SORT_3 var_673_arg_1 = var_582; [L1186] SORT_3 var_673_arg_2 = var_672; [L1187] EXPR var_673_arg_0 ? var_673_arg_1 : var_673_arg_2 [L1187] SORT_3 var_673 = var_673_arg_0 ? var_673_arg_1 : var_673_arg_2; [L1188] SORT_3 next_674_arg_1 = var_673; [L1189] SORT_162 var_438_arg_0 = var_168; [L1190] var_438_arg_0 = var_438_arg_0 & mask_SORT_162 [L1191] SORT_13 var_438 = var_438_arg_0; [L1192] SORT_13 var_439_arg_0 = var_283; [L1193] SORT_13 var_439_arg_1 = var_438; [L1194] SORT_1 var_439 = var_439_arg_0 == var_439_arg_1; [L1195] SORT_1 var_440_arg_0 = input_6; [L1196] SORT_1 var_440_arg_1 = var_439; [L1197] SORT_1 var_440 = var_440_arg_0 & var_440_arg_1; [L1198] var_440 = var_440 & mask_SORT_1 [L1199] SORT_1 var_675_arg_0 = var_440; [L1200] SORT_3 var_675_arg_1 = input_4; [L1201] SORT_3 var_675_arg_2 = state_167; [L1202] EXPR var_675_arg_0 ? var_675_arg_1 : var_675_arg_2 [L1202] SORT_3 var_675 = var_675_arg_0 ? var_675_arg_1 : var_675_arg_2; [L1203] SORT_1 var_676_arg_0 = input_7; [L1204] SORT_3 var_676_arg_1 = var_582; [L1205] SORT_3 var_676_arg_2 = var_675; [L1206] EXPR var_676_arg_0 ? var_676_arg_1 : var_676_arg_2 [L1206] SORT_3 var_676 = var_676_arg_0 ? var_676_arg_1 : var_676_arg_2; [L1207] SORT_3 next_677_arg_1 = var_676; [L1208] SORT_1 var_361_arg_0 = var_173; [L1209] var_361_arg_0 = var_361_arg_0 & mask_SORT_1 [L1210] SORT_13 var_361 = var_361_arg_0; [L1211] SORT_13 var_362_arg_0 = var_283; [L1212] SORT_13 var_362_arg_1 = var_361; [L1213] SORT_1 var_362 = var_362_arg_0 == var_362_arg_1; [L1214] SORT_1 var_363_arg_0 = input_6; [L1215] SORT_1 var_363_arg_1 = var_362; [L1216] SORT_1 var_363 = var_363_arg_0 & var_363_arg_1; [L1217] var_363 = var_363 & mask_SORT_1 [L1218] SORT_1 var_678_arg_0 = var_363; [L1219] SORT_3 var_678_arg_1 = input_4; [L1220] SORT_3 var_678_arg_2 = state_172; [L1221] EXPR var_678_arg_0 ? var_678_arg_1 : var_678_arg_2 [L1221] SORT_3 var_678 = var_678_arg_0 ? var_678_arg_1 : var_678_arg_2; [L1222] SORT_1 var_679_arg_0 = input_7; [L1223] SORT_3 var_679_arg_1 = var_582; [L1224] SORT_3 var_679_arg_2 = var_678; [L1225] EXPR var_679_arg_0 ? var_679_arg_1 : var_679_arg_2 [L1225] SORT_3 var_679 = var_679_arg_0 ? var_679_arg_1 : var_679_arg_2; [L1226] SORT_3 next_680_arg_1 = var_679; [L1227] SORT_13 var_284_arg_0 = var_283; [L1228] SORT_1 var_284 = var_284_arg_0 != 0; [L1229] SORT_1 var_285_arg_0 = var_284; [L1230] SORT_1 var_285 = ~var_285_arg_0; [L1231] SORT_1 var_286_arg_0 = input_6; [L1232] SORT_1 var_286_arg_1 = var_285; [L1233] SORT_1 var_286 = var_286_arg_0 & var_286_arg_1; [L1234] var_286 = var_286 & mask_SORT_1 [L1235] SORT_1 var_681_arg_0 = var_286; [L1236] SORT_3 var_681_arg_1 = input_4; [L1237] SORT_3 var_681_arg_2 = state_177; [L1238] EXPR var_681_arg_0 ? var_681_arg_1 : var_681_arg_2 [L1238] SORT_3 var_681 = var_681_arg_0 ? var_681_arg_1 : var_681_arg_2; [L1239] SORT_1 var_682_arg_0 = input_7; [L1240] SORT_3 var_682_arg_1 = var_582; [L1241] SORT_3 var_682_arg_2 = var_681; [L1242] EXPR var_682_arg_0 ? var_682_arg_1 : var_682_arg_2 [L1242] SORT_3 var_682 = var_682_arg_0 ? var_682_arg_1 : var_682_arg_2; [L1243] SORT_3 next_683_arg_1 = var_682; [L1244] SORT_1 var_684_arg_0 = input_6; [L1245] var_684_arg_0 = var_684_arg_0 & mask_SORT_1 [L1246] SORT_11 var_684 = var_684_arg_0; [L1247] SORT_11 var_685_arg_0 = state_182; [L1248] SORT_11 var_685_arg_1 = var_684; [L1249] SORT_11 var_685 = var_685_arg_0 + var_685_arg_1; [L1250] SORT_1 var_686_arg_0 = input_5; [L1251] var_686_arg_0 = var_686_arg_0 & mask_SORT_1 [L1252] SORT_11 var_686 = var_686_arg_0; [L1253] SORT_11 var_687_arg_0 = var_685; [L1254] SORT_11 var_687_arg_1 = var_686; [L1255] SORT_11 var_687 = var_687_arg_0 - var_687_arg_1; [L1256] SORT_1 var_688_arg_0 = input_7; [L1257] SORT_11 var_688_arg_1 = var_203; [L1258] SORT_11 var_688_arg_2 = var_687; [L1259] EXPR var_688_arg_0 ? var_688_arg_1 : var_688_arg_2 [L1259] SORT_11 var_688 = var_688_arg_0 ? var_688_arg_1 : var_688_arg_2; [L1260] var_688 = var_688 & mask_SORT_11 [L1261] SORT_11 next_689_arg_1 = var_688; [L1262] SORT_1 var_542_arg_0 = state_190; [L1263] SORT_1 var_542 = ~var_542_arg_0; [L1264] var_542 = var_542 & mask_SORT_1 [L1265] SORT_1 var_538_arg_0 = input_8; [L1266] SORT_1 var_538_arg_1 = input_6; [L1267] SORT_1 var_538 = var_538_arg_0 & var_538_arg_1; [L1268] SORT_1 var_539_arg_0 = state_190; [L1269] SORT_1 var_539_arg_1 = var_538; [L1270] SORT_1 var_539 = var_539_arg_0 | var_539_arg_1; [L1271] SORT_1 var_690_arg_0 = var_542; [L1272] SORT_1 var_690_arg_1 = var_539; [L1273] SORT_1 var_690_arg_2 = state_190; [L1274] EXPR var_690_arg_0 ? var_690_arg_1 : var_690_arg_2 [L1274] SORT_1 var_690 = var_690_arg_0 ? var_690_arg_1 : var_690_arg_2; [L1275] SORT_1 var_691_arg_0 = input_7; [L1276] SORT_1 var_691_arg_1 = var_233; [L1277] SORT_1 var_691_arg_2 = var_690; [L1278] EXPR var_691_arg_0 ? var_691_arg_1 : var_691_arg_2 [L1278] SORT_1 var_691 = var_691_arg_0 ? var_691_arg_1 : var_691_arg_2; [L1279] SORT_1 next_692_arg_1 = var_691; [L1280] SORT_1 var_550_arg_0 = var_207; [L1281] SORT_1 var_550_arg_1 = state_191; [L1282] SORT_1 var_550 = var_550_arg_0 | var_550_arg_1; [L1283] SORT_1 var_693_arg_0 = var_173; [L1284] SORT_1 var_693_arg_1 = var_550; [L1285] SORT_1 var_693_arg_2 = state_191; [L1286] EXPR var_693_arg_0 ? var_693_arg_1 : var_693_arg_2 [L1286] SORT_1 var_693 = var_693_arg_0 ? var_693_arg_1 : var_693_arg_2; [L1287] SORT_1 var_694_arg_0 = input_7; [L1288] SORT_1 var_694_arg_1 = var_233; [L1289] SORT_1 var_694_arg_2 = var_693; [L1290] EXPR var_694_arg_0 ? var_694_arg_1 : var_694_arg_2 [L1290] SORT_1 var_694 = var_694_arg_0 ? var_694_arg_1 : var_694_arg_2; [L1291] SORT_1 next_695_arg_1 = var_694; [L1292] SORT_1 var_562_arg_0 = input_6; [L1293] SORT_1 var_562_arg_1 = input_5; [L1294] SORT_1 var_562 = var_562_arg_0 | var_562_arg_1; [L1295] SORT_1 var_563_arg_0 = var_562; [L1296] SORT_1 var_563_arg_1 = input_7; [L1297] SORT_1 var_563 = var_563_arg_0 | var_563_arg_1; [L1298] SORT_1 var_564_arg_0 = var_563; [L1299] SORT_1 var_564_arg_1 = state_190; [L1300] SORT_1 var_564 = var_564_arg_0 | var_564_arg_1; [L1301] var_564 = var_564 & mask_SORT_1 [L1302] SORT_1 var_696_arg_0 = var_564; [L1303] SORT_11 var_696_arg_1 = var_204; [L1304] SORT_11 var_696_arg_2 = state_194; [L1305] EXPR var_696_arg_0 ? var_696_arg_1 : var_696_arg_2 [L1305] SORT_11 var_696 = var_696_arg_0 ? var_696_arg_1 : var_696_arg_2; [L1306] SORT_1 var_697_arg_0 = input_7; [L1307] SORT_11 var_697_arg_1 = var_203; [L1308] SORT_11 var_697_arg_2 = var_696; [L1309] EXPR var_697_arg_0 ? var_697_arg_1 : var_697_arg_2 [L1309] SORT_11 var_697 = var_697_arg_0 ? var_697_arg_1 : var_697_arg_2; [L1310] var_697 = var_697 & mask_SORT_11 [L1311] SORT_11 next_698_arg_1 = var_697; [L1312] SORT_1 var_547_arg_0 = var_538; [L1313] SORT_1 var_547_arg_1 = var_542; [L1314] SORT_1 var_547 = var_547_arg_0 & var_547_arg_1; [L1315] var_547 = var_547 & mask_SORT_1 [L1316] SORT_1 var_699_arg_0 = var_547; [L1317] SORT_3 var_699_arg_1 = input_4; [L1318] SORT_3 var_699_arg_2 = state_209; [L1319] EXPR var_699_arg_0 ? var_699_arg_1 : var_699_arg_2 [L1319] SORT_3 var_699 = var_699_arg_0 ? var_699_arg_1 : var_699_arg_2; [L1320] SORT_1 var_700_arg_0 = input_7; [L1321] SORT_3 var_700_arg_1 = var_582; [L1322] SORT_3 var_700_arg_2 = var_699; [L1323] EXPR var_700_arg_0 ? var_700_arg_1 : var_700_arg_2 [L1323] SORT_3 var_700 = var_700_arg_0 ? var_700_arg_1 : var_700_arg_2; [L1324] var_700 = var_700 & mask_SORT_3 [L1325] SORT_3 next_701_arg_1 = var_700; [L1326] SORT_1 next_702_arg_1 = var_233; [L1327] SORT_1 var_518_arg_0 = input_6; [L1328] var_518_arg_0 = var_518_arg_0 & mask_SORT_1 [L1329] SORT_11 var_518 = var_518_arg_0; [L1330] SORT_11 var_519_arg_0 = state_282; [L1331] SORT_11 var_519_arg_1 = var_518; [L1332] SORT_11 var_519 = var_519_arg_0 + var_519_arg_1; [L1333] SORT_1 var_703_arg_0 = var_242; [L1334] SORT_11 var_703_arg_1 = var_519; [L1335] SORT_11 var_703_arg_2 = state_282; [L1336] EXPR var_703_arg_0 ? var_703_arg_1 : var_703_arg_2 [L1336] SORT_11 var_703 = var_703_arg_0 ? var_703_arg_1 : var_703_arg_2; [L1337] SORT_1 var_704_arg_0 = input_7; [L1338] SORT_11 var_704_arg_1 = var_203; [L1339] SORT_11 var_704_arg_2 = var_703; [L1340] EXPR var_704_arg_0 ? var_704_arg_1 : var_704_arg_2 [L1340] SORT_11 var_704 = var_704_arg_0 ? var_704_arg_1 : var_704_arg_2; [L1341] SORT_11 next_705_arg_1 = var_704; [L1343] state_10 = next_584_arg_1 [L1344] state_12 = next_587_arg_1 [L1345] state_18 = next_590_arg_1 [L1346] state_24 = next_593_arg_1 [L1347] state_29 = next_596_arg_1 [L1348] state_34 = next_599_arg_1 [L1349] state_39 = next_602_arg_1 [L1350] state_44 = next_605_arg_1 [L1351] state_49 = next_608_arg_1 [L1352] state_54 = next_611_arg_1 [L1353] state_59 = next_614_arg_1 [L1354] state_64 = next_617_arg_1 [L1355] state_69 = next_620_arg_1 [L1356] state_74 = next_623_arg_1 [L1357] state_79 = next_626_arg_1 [L1358] state_84 = next_629_arg_1 [L1359] state_89 = next_632_arg_1 [L1360] state_94 = next_635_arg_1 [L1361] state_99 = next_638_arg_1 [L1362] state_105 = next_641_arg_1 [L1363] state_110 = next_644_arg_1 [L1364] state_115 = next_647_arg_1 [L1365] state_120 = next_650_arg_1 [L1366] state_125 = next_653_arg_1 [L1367] state_130 = next_656_arg_1 [L1368] state_135 = next_659_arg_1 [L1369] state_140 = next_662_arg_1 [L1370] state_146 = next_665_arg_1 [L1371] state_151 = next_668_arg_1 [L1372] state_156 = next_671_arg_1 [L1373] state_161 = next_674_arg_1 [L1374] state_167 = next_677_arg_1 [L1375] state_172 = next_680_arg_1 [L1376] state_177 = next_683_arg_1 [L1377] state_182 = next_689_arg_1 [L1378] state_190 = next_692_arg_1 [L1379] state_191 = next_695_arg_1 [L1380] state_194 = next_698_arg_1 [L1381] state_209 = next_701_arg_1 [L1382] state_213 = next_702_arg_1 [L1383] state_282 = next_705_arg_1 VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=27, input_231=1, input_4=0, input_5=0, input_6=1, input_7=1, input_8=2, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=2147483648, next_584_arg_1=0, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=0, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=0, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=0, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=0, state_191=0, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=1, var_103_arg_0=1, var_103_arg_1=1, var_104=30, var_104_arg_0=1, var_104_arg_1=30, var_104_arg_2=30, var_106=14, var_107=0, var_107_arg_0=0, var_108=0, var_108_arg_0=1, var_108_arg_1=0, var_109=30, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=30, var_111=13, var_112=1, var_112_arg_0=1, var_113=1, var_113_arg_0=1, var_113_arg_1=1, var_114=0, var_114_arg_0=1, var_114_arg_1=0, var_114_arg_2=30, var_116=12, var_117=0, var_117_arg_0=0, var_118=0, var_118_arg_0=1, var_118_arg_1=0, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=0, var_122_arg_0=0, var_123=0, var_123_arg_0=1, var_123_arg_1=0, var_124=0, var_124_arg_0=0, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=10, var_127_arg_0=10, var_128=0, var_128_arg_0=1, var_128_arg_1=10, var_129=0, var_129_arg_0=0, var_129_arg_1=29, var_129_arg_2=0, var_131=9, var_132=9, var_132_arg_0=9, var_133=0, var_133_arg_0=1, var_133_arg_1=9, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=0, var_137_arg_0=0, var_138=0, var_138_arg_0=1, var_138_arg_1=0, var_139=0, var_139_arg_0=0, var_139_arg_1=13, var_139_arg_2=0, var_14=1, var_142=7, var_143=7, var_143_arg_0=7, var_144=0, var_144_arg_0=1, var_144_arg_1=7, var_145=0, var_145_arg_0=0, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=255, var_148_arg_0=255, var_149=0, var_149_arg_0=1, var_149_arg_1=255, var_14_arg_0=1, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=1, var_154_arg_0=1, var_154_arg_1=1, var_155=0, var_155_arg_0=1, var_155_arg_1=0, var_155_arg_2=0, var_157=4, var_158=1, var_158_arg_0=1, var_159=1, var_159_arg_0=1, var_159_arg_1=1, var_16=0, var_160=50, var_160_arg_0=1, var_160_arg_1=50, var_160_arg_2=0, var_163=3, var_164=1, var_164_arg_0=1, var_165=1, var_165_arg_0=1, var_165_arg_1=1, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=50, var_168=2, var_169=0, var_169_arg_0=0, var_16_arg_0=1, var_16_arg_1=32, var_17=0, var_170=0, var_170_arg_0=1, var_170_arg_1=0, var_171=0, var_171_arg_0=0, var_171_arg_1=44, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=1, var_175_arg_0=1, var_175_arg_1=1, var_176=0, var_176_arg_0=1, var_176_arg_1=0, var_176_arg_2=0, var_178=1, var_178_arg_0=1, var_179=1, var_179_arg_0=1, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_180=2, var_180_arg_0=1, var_180_arg_1=2, var_180_arg_2=0, var_183=0, var_183_arg_0=0, var_184=19, var_184_arg_0=0, var_186=33, var_187=1, var_187_arg_0=1, var_188=0, var_188_arg_0=0, var_188_arg_1=1, var_192=254, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=254, var_195=1, var_195_arg_0=1, var_196=0, var_196_arg_0=0, var_196_arg_1=1, var_197=0, var_197_arg_0=0, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=1, var_200_arg_0=1, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=1, var_202_arg_0=1, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=1, var_204_arg_1=0, var_204_arg_2=1, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=1, var_208_arg_0=0, var_21=46, var_210=0, var_210_arg_0=0, var_210_arg_1=2, var_211=1, var_211_arg_0=1, var_211_arg_1=0, var_215=1, var_215_arg_0=1, var_215_arg_1=1, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=1, var_217_arg_1=255, var_219=1, var_219_arg_0=0, var_21_arg_0=46, var_22=0, var_220=1, var_220_arg_0=1, var_221=1, var_221_arg_0=1, var_221_arg_1=1, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=1, var_225=0, var_225_arg_0=19, var_226=253, var_226_arg_0=0, var_227=113, var_227_arg_0=0, var_227_arg_1=253, var_228=0, var_228_arg_0=1, var_229=1, var_229_arg_0=113, var_229_arg_1=0, var_22_arg_0=1, var_22_arg_1=46, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=3, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=3, var_23_arg_0=0, var_23_arg_1=0, var_23_arg_2=0, var_241=1, var_241_arg_0=1, var_241_arg_1=0, var_242=1, var_242_arg_0=1, var_242_arg_1=1, var_25=30, var_26=1, var_26_arg_0=1, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_28=0, var_283=0, var_283_arg_0=0, var_284=0, var_284_arg_0=0, var_285=2, var_285_arg_0=0, var_286=0, var_286_arg_0=1, var_286_arg_1=2, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=0, var_291_arg_0=0, var_292=1, var_292_arg_0=0, var_292_arg_1=0, var_293=1, var_293_arg_0=1, var_293_arg_1=1, var_298=4, var_298_arg_0=4, var_299=0, var_299_arg_0=0, var_299_arg_1=4, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=255, var_305_arg_0=255, var_306=0, var_306_arg_0=0, var_306_arg_1=255, var_307=0, var_307_arg_0=1, var_307_arg_1=0, var_31=0, var_312=0, var_312_arg_0=0, var_313=1, var_313_arg_0=0, var_313_arg_1=0, var_314=1, var_314_arg_0=1, var_314_arg_1=1, var_319=40, var_319_arg_0=40, var_31_arg_0=0, var_32=0, var_320=0, var_320_arg_0=0, var_320_arg_1=40, var_321=0, var_321_arg_0=1, var_321_arg_1=0, var_326=13, var_326_arg_0=13, var_327=0, var_327_arg_0=0, var_327_arg_1=13, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=1, var_32_arg_1=0, var_33=0, var_333=255, var_333_arg_0=255, var_334=0, var_334_arg_0=0, var_334_arg_1=255, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_340=0, var_340_arg_0=0, var_341=1, var_341_arg_0=0, var_341_arg_1=0, var_342=1, var_342_arg_0=1, var_342_arg_1=1, var_347=2, var_347_arg_0=2, var_348=0, var_348_arg_0=0, var_348_arg_1=2, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=1, var_354_arg_0=1, var_355=0, var_355_arg_0=0, var_355_arg_1=1, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=1, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=0, var_368_arg_0=0, var_369=1, var_369_arg_0=0, var_369_arg_1=0, var_36_arg_0=1, var_37=1, var_370=1, var_370_arg_0=1, var_370_arg_1=1, var_375=5, var_375_arg_0=5, var_376=0, var_376_arg_0=0, var_376_arg_1=5, var_377=0, var_377_arg_0=1, var_377_arg_1=0, var_37_arg_0=1, var_37_arg_1=1, var_38=0, var_382=0, var_382_arg_0=0, var_383=1, var_383_arg_0=0, var_383_arg_1=0, var_384=1, var_384_arg_0=1, var_384_arg_1=1, var_389=38, var_389_arg_0=38, var_38_arg_0=1, var_38_arg_1=0, var_38_arg_2=0, var_390=0, var_390_arg_0=0, var_390_arg_1=38, var_391=0, var_391_arg_0=1, var_391_arg_1=0, var_396=1, var_396_arg_0=1, var_397=0, var_397_arg_0=0, var_397_arg_1=1, var_398=0, var_398_arg_0=1, var_398_arg_1=0, var_40=27, var_403=1, var_403_arg_0=1, var_404=0, var_404_arg_0=0, var_404_arg_1=1, var_405=0, var_405_arg_0=1, var_405_arg_1=0, var_41=27, var_410=0, var_410_arg_0=0, var_411=1, var_411_arg_0=0, var_411_arg_1=0, var_412=1, var_412_arg_0=1, var_412_arg_1=1, var_417=0, var_417_arg_0=0, var_418=1, var_418_arg_0=0, var_418_arg_1=0, var_419=1, var_419_arg_0=1, var_419_arg_1=1, var_41_arg_0=27, var_42=0, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=1, var_42_arg_1=27, var_43=0, var_431=0, var_431_arg_0=0, var_432=1, var_432_arg_0=0, var_432_arg_1=0, var_433=1, var_433_arg_0=1, var_433_arg_1=1, var_438=2, var_438_arg_0=2, var_439=0, var_439_arg_0=0, var_439_arg_1=2, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_440=0, var_440_arg_0=1, var_440_arg_1=0, var_445=1, var_445_arg_0=1, var_446=0, var_446_arg_0=0, var_446_arg_1=1, var_447=0, var_447_arg_0=1, var_447_arg_1=0, var_45=26, var_452=253, var_452_arg_0=253, var_453=0, var_453_arg_0=0, var_453_arg_1=253, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=1, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=1, var_465_arg_0=1, var_466=0, var_466_arg_0=0, var_466_arg_1=1, var_467=0, var_467_arg_0=1, var_467_arg_1=0, var_46_arg_0=1, var_47=1, var_472=48, var_472_arg_0=48, var_473=0, var_473_arg_0=0, var_473_arg_1=48, var_474=0, var_474_arg_0=1, var_474_arg_1=0, var_479=5, var_479_arg_0=5, var_47_arg_0=1, var_47_arg_1=1, var_48=0, var_480=0, var_480_arg_0=0, var_480_arg_1=5, var_481=0, var_481_arg_0=1, var_481_arg_1=0, var_486=0, var_486_arg_0=0, var_487=1, var_487_arg_0=0, var_487_arg_1=0, var_488=1, var_488_arg_0=1, var_488_arg_1=1, var_48_arg_0=1, var_48_arg_1=0, var_48_arg_2=0, var_493=44, var_493_arg_0=44, var_494=0, var_494_arg_0=0, var_494_arg_1=44, var_495=0, var_495_arg_0=1, var_495_arg_1=0, var_50=25, var_500=1, var_500_arg_0=1, var_501=0, var_501_arg_0=0, var_501_arg_1=1, var_502=0, var_502_arg_0=1, var_502_arg_1=0, var_507=255, var_507_arg_0=255, var_508=0, var_508_arg_0=0, var_508_arg_1=255, var_509=0, var_509_arg_0=1, var_509_arg_1=0, var_51=1, var_512=0, var_512_arg_0=0, var_513=1, var_513_arg_0=1, var_513_arg_1=0, var_518=1, var_518_arg_0=1, var_519=1, var_519_arg_0=0, var_519_arg_1=1, var_51_arg_0=1, var_52=1, var_52_arg_0=1, var_52_arg_1=1, var_53=0, var_538=0, var_538_arg_0=2, var_538_arg_1=1, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=1, var_53_arg_1=0, var_53_arg_2=0, var_542=1, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=1, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=36, var_562=1, var_562_arg_0=1, var_562_arg_1=0, var_563=1, var_563_arg_0=1, var_563_arg_1=1, var_564=1, var_564_arg_0=1, var_564_arg_1=0, var_56_arg_0=36, var_57=0, var_57_arg_0=1, var_57_arg_1=36, var_58=0, var_581=0, var_581_arg_0=0, var_581_arg_1=0, var_581_arg_2=0, var_582=0, var_583=0, var_583_arg_0=1, var_583_arg_1=0, var_583_arg_2=0, var_585=1, var_585_arg_0=1, var_585_arg_1=1, var_585_arg_2=1, var_586=0, var_586_arg_0=1, var_586_arg_1=0, var_586_arg_2=1, var_588=0, var_588_arg_0=0, var_588_arg_1=0, var_588_arg_2=0, var_589=0, var_589_arg_0=1, var_589_arg_1=0, var_589_arg_2=0, var_58_arg_0=0, var_58_arg_1=0, var_58_arg_2=0, var_591=0, var_591_arg_0=0, var_591_arg_1=0, var_591_arg_2=0, var_592=0, var_592_arg_0=1, var_592_arg_1=0, var_592_arg_2=0, var_594=0, var_594_arg_0=1, var_594_arg_1=0, var_594_arg_2=0, var_595=0, var_595_arg_0=1, var_595_arg_1=0, var_595_arg_2=0, var_597=0, var_597_arg_0=0, var_597_arg_1=0, var_597_arg_2=0, var_598=0, var_598_arg_0=1, var_598_arg_1=0, var_598_arg_2=0, var_60=23, var_600=0, var_600_arg_0=1, var_600_arg_1=0, var_600_arg_2=0, var_601=0, var_601_arg_0=1, var_601_arg_1=0, var_601_arg_2=0, var_603=0, var_603_arg_0=1, var_603_arg_1=0, var_603_arg_2=0, var_604=0, var_604_arg_0=1, var_604_arg_1=0, var_604_arg_2=0, var_606=0, var_606_arg_0=0, var_606_arg_1=0, var_606_arg_2=0, var_607=0, var_607_arg_0=1, var_607_arg_1=0, var_607_arg_2=0, var_609=0, var_609_arg_0=0, var_609_arg_1=0, var_609_arg_2=0, var_61=1, var_610=0, var_610_arg_0=1, var_610_arg_1=0, var_610_arg_2=0, var_612=31, var_612_arg_0=0, var_612_arg_1=0, var_612_arg_2=31, var_613=0, var_613_arg_0=1, var_613_arg_1=0, var_613_arg_2=31, var_615=0, var_615_arg_0=1, var_615_arg_1=0, var_615_arg_2=0, var_616=0, var_616_arg_0=1, var_616_arg_1=0, var_616_arg_2=0, var_618=0, var_618_arg_0=0, var_618_arg_1=0, var_618_arg_2=0, var_619=0, var_619_arg_0=1, var_619_arg_1=0, var_619_arg_2=0, var_61_arg_0=1, var_62=1, var_621=0, var_621_arg_0=1, var_621_arg_1=0, var_621_arg_2=31, var_622=0, var_622_arg_0=1, var_622_arg_1=0, var_622_arg_2=0, var_624=31, var_624_arg_0=0, var_624_arg_1=0, var_624_arg_2=31, var_625=0, var_625_arg_0=1, var_625_arg_1=0, var_625_arg_2=31, var_627=0, var_627_arg_0=0, var_627_arg_1=0, var_627_arg_2=0, var_628=0, var_628_arg_0=1, var_628_arg_1=0, var_628_arg_2=0, var_62_arg_0=1, var_62_arg_1=1, var_63=31, var_630=0, var_630_arg_0=1, var_630_arg_1=0, var_630_arg_2=0, var_631=0, var_631_arg_0=1, var_631_arg_1=0, var_631_arg_2=0, var_633=30, var_633_arg_0=0, var_633_arg_1=0, var_633_arg_2=30, var_634=0, var_634_arg_0=1, var_634_arg_1=0, var_634_arg_2=30, var_636=30, var_636_arg_0=0, var_636_arg_1=0, var_636_arg_2=30, var_637=0, var_637_arg_0=1, var_637_arg_1=0, var_637_arg_2=30, var_639=0, var_639_arg_0=0, var_639_arg_1=0, var_639_arg_2=0, var_63_arg_0=1, var_63_arg_1=31, var_63_arg_2=0, var_640=0, var_640_arg_0=1, var_640_arg_1=0, var_640_arg_2=0, var_642=0, var_642_arg_0=1, var_642_arg_1=0, var_642_arg_2=0, var_643=0, var_643_arg_0=1, var_643_arg_1=0, var_643_arg_2=0, var_645=0, var_645_arg_0=0, var_645_arg_1=0, var_645_arg_2=0, var_646=0, var_646_arg_0=1, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=0, var_648_arg_2=0, var_649=0, var_649_arg_0=1, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=1, var_651_arg_1=0, var_651_arg_2=29, var_652=0, var_652_arg_0=1, var_652_arg_1=0, var_652_arg_2=0, var_654=0, var_654_arg_0=0, var_654_arg_1=0, var_654_arg_2=0, var_655=0, var_655_arg_0=1, var_655_arg_1=0, var_655_arg_2=0, var_657=13, var_657_arg_0=0, var_657_arg_1=0, var_657_arg_2=13, var_658=0, var_658_arg_0=1, var_658_arg_1=0, var_658_arg_2=13, var_66=22, var_660=0, var_660_arg_0=0, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=1, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=1, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=1, var_664_arg_1=0, var_664_arg_2=0, var_666=0, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=0, var_667=0, var_667_arg_0=1, var_667_arg_1=0, var_667_arg_2=0, var_669=50, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=50, var_66_arg_0=22, var_67=0, var_670=0, var_670_arg_0=1, var_670_arg_1=0, var_670_arg_2=50, var_672=0, var_672_arg_0=0, var_672_arg_1=0, var_672_arg_2=0, var_673=0, var_673_arg_0=1, var_673_arg_1=0, var_673_arg_2=0, var_675=44, var_675_arg_0=0, var_675_arg_1=0, var_675_arg_2=44, var_676=0, var_676_arg_0=1, var_676_arg_1=0, var_676_arg_2=44, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=1, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=1, var_67_arg_1=22, var_68=31, var_681=2, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=2, var_682=0, var_682_arg_0=1, var_682_arg_1=0, var_682_arg_2=2, var_684=1, var_684_arg_0=1, var_685=1, var_685_arg_0=0, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=1, var_687_arg_0=1, var_687_arg_1=0, var_688=0, var_688_arg_0=1, var_688_arg_1=0, var_688_arg_2=1, var_68_arg_0=0, var_68_arg_1=0, var_68_arg_2=31, var_690=0, var_690_arg_0=1, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=1, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=0, var_694_arg_0=1, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=1, var_696_arg_1=0, var_696_arg_2=1, var_697=0, var_697_arg_0=1, var_697_arg_1=0, var_697_arg_2=0, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=1, var_700_arg_1=0, var_700_arg_2=0, var_703=1, var_703_arg_0=1, var_703_arg_1=1, var_703_arg_2=0, var_704=0, var_704_arg_0=1, var_704_arg_1=0, var_704_arg_2=1, var_71=0, var_71_arg_0=0, var_72=0, var_72_arg_0=1, var_72_arg_1=0, var_73=31, var_73_arg_0=0, var_73_arg_1=0, var_73_arg_2=31, var_75=20, var_76=6, var_76_arg_0=6, var_77=0, var_77_arg_0=1, var_77_arg_1=6, var_78=31, var_78_arg_0=0, var_78_arg_1=31, var_78_arg_2=31, var_80=19, var_81=0, var_81_arg_0=0, var_82=0, var_82_arg_0=1, var_82_arg_1=0, var_83=31, var_83_arg_0=0, var_83_arg_1=31, var_83_arg_2=31, var_85=18, var_86=18, var_86_arg_0=18, var_87=0, var_87_arg_0=1, var_87_arg_1=18, var_88=31, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=31, var_90=17, var_91=0, var_91_arg_0=0, var_92=0, var_92_arg_0=1, var_92_arg_1=0, var_93=31, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=31, var_95=16, var_96=1, var_96_arg_0=1, var_97=1, var_97_arg_0=1, var_97_arg_1=1, var_98=30, var_98_arg_0=1, var_98_arg_1=30, var_98_arg_2=31] [L141] input_2 = __VERIFIER_nondet_uchar() [L142] input_4 = __VERIFIER_nondet_uint() [L143] input_5 = __VERIFIER_nondet_uchar() [L144] input_6 = __VERIFIER_nondet_uchar() [L145] input_7 = __VERIFIER_nondet_uchar() [L146] input_7 = input_7 & mask_SORT_1 [L147] input_8 = __VERIFIER_nondet_uchar() [L148] input_9 = __VERIFIER_nondet_uint() [L149] input_231 = __VERIFIER_nondet_uchar() [L151] SORT_1 var_215_arg_0 = input_7; [L152] SORT_1 var_215_arg_1 = state_213; [L153] SORT_1 var_215 = var_215_arg_0 == var_215_arg_1; [L154] SORT_1 var_216_arg_0 = var_173; [L155] SORT_1 var_216 = ~var_216_arg_0; [L156] SORT_1 var_217_arg_0 = var_215; [L157] SORT_1 var_217_arg_1 = var_216; [L158] SORT_1 var_217 = var_217_arg_0 | var_217_arg_1; [L159] var_217 = var_217 & mask_SORT_1 [L160] SORT_1 constr_218_arg_0 = var_217; VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=5, input_231=1, input_4=9, input_5=34, input_6=2, input_7=1, input_8=38, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=2147483648, next_584_arg_1=0, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=0, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=0, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=0, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=0, state_191=0, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=1, var_103_arg_0=1, var_103_arg_1=1, var_104=30, var_104_arg_0=1, var_104_arg_1=30, var_104_arg_2=30, var_106=14, var_107=0, var_107_arg_0=0, var_108=0, var_108_arg_0=1, var_108_arg_1=0, var_109=30, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=30, var_111=13, var_112=1, var_112_arg_0=1, var_113=1, var_113_arg_0=1, var_113_arg_1=1, var_114=0, var_114_arg_0=1, var_114_arg_1=0, var_114_arg_2=30, var_116=12, var_117=0, var_117_arg_0=0, var_118=0, var_118_arg_0=1, var_118_arg_1=0, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=0, var_122_arg_0=0, var_123=0, var_123_arg_0=1, var_123_arg_1=0, var_124=0, var_124_arg_0=0, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=10, var_127_arg_0=10, var_128=0, var_128_arg_0=1, var_128_arg_1=10, var_129=0, var_129_arg_0=0, var_129_arg_1=29, var_129_arg_2=0, var_131=9, var_132=9, var_132_arg_0=9, var_133=0, var_133_arg_0=1, var_133_arg_1=9, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=0, var_137_arg_0=0, var_138=0, var_138_arg_0=1, var_138_arg_1=0, var_139=0, var_139_arg_0=0, var_139_arg_1=13, var_139_arg_2=0, var_14=1, var_142=7, var_143=7, var_143_arg_0=7, var_144=0, var_144_arg_0=1, var_144_arg_1=7, var_145=0, var_145_arg_0=0, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=255, var_148_arg_0=255, var_149=0, var_149_arg_0=1, var_149_arg_1=255, var_14_arg_0=1, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=1, var_154_arg_0=1, var_154_arg_1=1, var_155=0, var_155_arg_0=1, var_155_arg_1=0, var_155_arg_2=0, var_157=4, var_158=1, var_158_arg_0=1, var_159=1, var_159_arg_0=1, var_159_arg_1=1, var_16=0, var_160=50, var_160_arg_0=1, var_160_arg_1=50, var_160_arg_2=0, var_163=3, var_164=1, var_164_arg_0=1, var_165=1, var_165_arg_0=1, var_165_arg_1=1, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=50, var_168=2, var_169=0, var_169_arg_0=0, var_16_arg_0=1, var_16_arg_1=32, var_17=0, var_170=0, var_170_arg_0=1, var_170_arg_1=0, var_171=0, var_171_arg_0=0, var_171_arg_1=44, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=1, var_175_arg_0=1, var_175_arg_1=1, var_176=0, var_176_arg_0=1, var_176_arg_1=0, var_176_arg_2=0, var_178=1, var_178_arg_0=1, var_179=1, var_179_arg_0=1, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_180=2, var_180_arg_0=1, var_180_arg_1=2, var_180_arg_2=0, var_183=0, var_183_arg_0=0, var_184=19, var_184_arg_0=0, var_186=33, var_187=1, var_187_arg_0=1, var_188=0, var_188_arg_0=0, var_188_arg_1=1, var_192=254, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=254, var_195=1, var_195_arg_0=1, var_196=0, var_196_arg_0=0, var_196_arg_1=1, var_197=0, var_197_arg_0=0, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=1, var_200_arg_0=1, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=1, var_202_arg_0=1, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=1, var_204_arg_1=0, var_204_arg_2=1, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=1, var_208_arg_0=0, var_21=46, var_210=0, var_210_arg_0=0, var_210_arg_1=2, var_211=1, var_211_arg_0=1, var_211_arg_1=0, var_215=0, var_215_arg_0=1, var_215_arg_1=0, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=255, var_219=1, var_219_arg_0=0, var_21_arg_0=46, var_22=0, var_220=1, var_220_arg_0=1, var_221=1, var_221_arg_0=1, var_221_arg_1=1, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=1, var_225=0, var_225_arg_0=19, var_226=253, var_226_arg_0=0, var_227=113, var_227_arg_0=0, var_227_arg_1=253, var_228=0, var_228_arg_0=1, var_229=1, var_229_arg_0=113, var_229_arg_1=0, var_22_arg_0=1, var_22_arg_1=46, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=3, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=3, var_23_arg_0=0, var_23_arg_1=0, var_23_arg_2=0, var_241=1, var_241_arg_0=1, var_241_arg_1=0, var_242=1, var_242_arg_0=1, var_242_arg_1=1, var_25=30, var_26=1, var_26_arg_0=1, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_28=0, var_283=0, var_283_arg_0=0, var_284=0, var_284_arg_0=0, var_285=2, var_285_arg_0=0, var_286=0, var_286_arg_0=1, var_286_arg_1=2, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=0, var_291_arg_0=0, var_292=1, var_292_arg_0=0, var_292_arg_1=0, var_293=1, var_293_arg_0=1, var_293_arg_1=1, var_298=4, var_298_arg_0=4, var_299=0, var_299_arg_0=0, var_299_arg_1=4, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=255, var_305_arg_0=255, var_306=0, var_306_arg_0=0, var_306_arg_1=255, var_307=0, var_307_arg_0=1, var_307_arg_1=0, var_31=0, var_312=0, var_312_arg_0=0, var_313=1, var_313_arg_0=0, var_313_arg_1=0, var_314=1, var_314_arg_0=1, var_314_arg_1=1, var_319=40, var_319_arg_0=40, var_31_arg_0=0, var_32=0, var_320=0, var_320_arg_0=0, var_320_arg_1=40, var_321=0, var_321_arg_0=1, var_321_arg_1=0, var_326=13, var_326_arg_0=13, var_327=0, var_327_arg_0=0, var_327_arg_1=13, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=1, var_32_arg_1=0, var_33=0, var_333=255, var_333_arg_0=255, var_334=0, var_334_arg_0=0, var_334_arg_1=255, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_340=0, var_340_arg_0=0, var_341=1, var_341_arg_0=0, var_341_arg_1=0, var_342=1, var_342_arg_0=1, var_342_arg_1=1, var_347=2, var_347_arg_0=2, var_348=0, var_348_arg_0=0, var_348_arg_1=2, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=1, var_354_arg_0=1, var_355=0, var_355_arg_0=0, var_355_arg_1=1, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=1, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=0, var_368_arg_0=0, var_369=1, var_369_arg_0=0, var_369_arg_1=0, var_36_arg_0=1, var_37=1, var_370=1, var_370_arg_0=1, var_370_arg_1=1, var_375=5, var_375_arg_0=5, var_376=0, var_376_arg_0=0, var_376_arg_1=5, var_377=0, var_377_arg_0=1, var_377_arg_1=0, var_37_arg_0=1, var_37_arg_1=1, var_38=0, var_382=0, var_382_arg_0=0, var_383=1, var_383_arg_0=0, var_383_arg_1=0, var_384=1, var_384_arg_0=1, var_384_arg_1=1, var_389=38, var_389_arg_0=38, var_38_arg_0=1, var_38_arg_1=0, var_38_arg_2=0, var_390=0, var_390_arg_0=0, var_390_arg_1=38, var_391=0, var_391_arg_0=1, var_391_arg_1=0, var_396=1, var_396_arg_0=1, var_397=0, var_397_arg_0=0, var_397_arg_1=1, var_398=0, var_398_arg_0=1, var_398_arg_1=0, var_40=27, var_403=1, var_403_arg_0=1, var_404=0, var_404_arg_0=0, var_404_arg_1=1, var_405=0, var_405_arg_0=1, var_405_arg_1=0, var_41=27, var_410=0, var_410_arg_0=0, var_411=1, var_411_arg_0=0, var_411_arg_1=0, var_412=1, var_412_arg_0=1, var_412_arg_1=1, var_417=0, var_417_arg_0=0, var_418=1, var_418_arg_0=0, var_418_arg_1=0, var_419=1, var_419_arg_0=1, var_419_arg_1=1, var_41_arg_0=27, var_42=0, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=1, var_42_arg_1=27, var_43=0, var_431=0, var_431_arg_0=0, var_432=1, var_432_arg_0=0, var_432_arg_1=0, var_433=1, var_433_arg_0=1, var_433_arg_1=1, var_438=2, var_438_arg_0=2, var_439=0, var_439_arg_0=0, var_439_arg_1=2, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_440=0, var_440_arg_0=1, var_440_arg_1=0, var_445=1, var_445_arg_0=1, var_446=0, var_446_arg_0=0, var_446_arg_1=1, var_447=0, var_447_arg_0=1, var_447_arg_1=0, var_45=26, var_452=253, var_452_arg_0=253, var_453=0, var_453_arg_0=0, var_453_arg_1=253, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=1, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=1, var_465_arg_0=1, var_466=0, var_466_arg_0=0, var_466_arg_1=1, var_467=0, var_467_arg_0=1, var_467_arg_1=0, var_46_arg_0=1, var_47=1, var_472=48, var_472_arg_0=48, var_473=0, var_473_arg_0=0, var_473_arg_1=48, var_474=0, var_474_arg_0=1, var_474_arg_1=0, var_479=5, var_479_arg_0=5, var_47_arg_0=1, var_47_arg_1=1, var_48=0, var_480=0, var_480_arg_0=0, var_480_arg_1=5, var_481=0, var_481_arg_0=1, var_481_arg_1=0, var_486=0, var_486_arg_0=0, var_487=1, var_487_arg_0=0, var_487_arg_1=0, var_488=1, var_488_arg_0=1, var_488_arg_1=1, var_48_arg_0=1, var_48_arg_1=0, var_48_arg_2=0, var_493=44, var_493_arg_0=44, var_494=0, var_494_arg_0=0, var_494_arg_1=44, var_495=0, var_495_arg_0=1, var_495_arg_1=0, var_50=25, var_500=1, var_500_arg_0=1, var_501=0, var_501_arg_0=0, var_501_arg_1=1, var_502=0, var_502_arg_0=1, var_502_arg_1=0, var_507=255, var_507_arg_0=255, var_508=0, var_508_arg_0=0, var_508_arg_1=255, var_509=0, var_509_arg_0=1, var_509_arg_1=0, var_51=1, var_512=0, var_512_arg_0=0, var_513=1, var_513_arg_0=1, var_513_arg_1=0, var_518=1, var_518_arg_0=1, var_519=1, var_519_arg_0=0, var_519_arg_1=1, var_51_arg_0=1, var_52=1, var_52_arg_0=1, var_52_arg_1=1, var_53=0, var_538=0, var_538_arg_0=2, var_538_arg_1=1, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=1, var_53_arg_1=0, var_53_arg_2=0, var_542=1, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=1, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=36, var_562=1, var_562_arg_0=1, var_562_arg_1=0, var_563=1, var_563_arg_0=1, var_563_arg_1=1, var_564=1, var_564_arg_0=1, var_564_arg_1=0, var_56_arg_0=36, var_57=0, var_57_arg_0=1, var_57_arg_1=36, var_58=0, var_581=0, var_581_arg_0=0, var_581_arg_1=0, var_581_arg_2=0, var_582=0, var_583=0, var_583_arg_0=1, var_583_arg_1=0, var_583_arg_2=0, var_585=1, var_585_arg_0=1, var_585_arg_1=1, var_585_arg_2=1, var_586=0, var_586_arg_0=1, var_586_arg_1=0, var_586_arg_2=1, var_588=0, var_588_arg_0=0, var_588_arg_1=0, var_588_arg_2=0, var_589=0, var_589_arg_0=1, var_589_arg_1=0, var_589_arg_2=0, var_58_arg_0=0, var_58_arg_1=0, var_58_arg_2=0, var_591=0, var_591_arg_0=0, var_591_arg_1=0, var_591_arg_2=0, var_592=0, var_592_arg_0=1, var_592_arg_1=0, var_592_arg_2=0, var_594=0, var_594_arg_0=1, var_594_arg_1=0, var_594_arg_2=0, var_595=0, var_595_arg_0=1, var_595_arg_1=0, var_595_arg_2=0, var_597=0, var_597_arg_0=0, var_597_arg_1=0, var_597_arg_2=0, var_598=0, var_598_arg_0=1, var_598_arg_1=0, var_598_arg_2=0, var_60=23, var_600=0, var_600_arg_0=1, var_600_arg_1=0, var_600_arg_2=0, var_601=0, var_601_arg_0=1, var_601_arg_1=0, var_601_arg_2=0, var_603=0, var_603_arg_0=1, var_603_arg_1=0, var_603_arg_2=0, var_604=0, var_604_arg_0=1, var_604_arg_1=0, var_604_arg_2=0, var_606=0, var_606_arg_0=0, var_606_arg_1=0, var_606_arg_2=0, var_607=0, var_607_arg_0=1, var_607_arg_1=0, var_607_arg_2=0, var_609=0, var_609_arg_0=0, var_609_arg_1=0, var_609_arg_2=0, var_61=1, var_610=0, var_610_arg_0=1, var_610_arg_1=0, var_610_arg_2=0, var_612=31, var_612_arg_0=0, var_612_arg_1=0, var_612_arg_2=31, var_613=0, var_613_arg_0=1, var_613_arg_1=0, var_613_arg_2=31, var_615=0, var_615_arg_0=1, var_615_arg_1=0, var_615_arg_2=0, var_616=0, var_616_arg_0=1, var_616_arg_1=0, var_616_arg_2=0, var_618=0, var_618_arg_0=0, var_618_arg_1=0, var_618_arg_2=0, var_619=0, var_619_arg_0=1, var_619_arg_1=0, var_619_arg_2=0, var_61_arg_0=1, var_62=1, var_621=0, var_621_arg_0=1, var_621_arg_1=0, var_621_arg_2=31, var_622=0, var_622_arg_0=1, var_622_arg_1=0, var_622_arg_2=0, var_624=31, var_624_arg_0=0, var_624_arg_1=0, var_624_arg_2=31, var_625=0, var_625_arg_0=1, var_625_arg_1=0, var_625_arg_2=31, var_627=0, var_627_arg_0=0, var_627_arg_1=0, var_627_arg_2=0, var_628=0, var_628_arg_0=1, var_628_arg_1=0, var_628_arg_2=0, var_62_arg_0=1, var_62_arg_1=1, var_63=31, var_630=0, var_630_arg_0=1, var_630_arg_1=0, var_630_arg_2=0, var_631=0, var_631_arg_0=1, var_631_arg_1=0, var_631_arg_2=0, var_633=30, var_633_arg_0=0, var_633_arg_1=0, var_633_arg_2=30, var_634=0, var_634_arg_0=1, var_634_arg_1=0, var_634_arg_2=30, var_636=30, var_636_arg_0=0, var_636_arg_1=0, var_636_arg_2=30, var_637=0, var_637_arg_0=1, var_637_arg_1=0, var_637_arg_2=30, var_639=0, var_639_arg_0=0, var_639_arg_1=0, var_639_arg_2=0, var_63_arg_0=1, var_63_arg_1=31, var_63_arg_2=0, var_640=0, var_640_arg_0=1, var_640_arg_1=0, var_640_arg_2=0, var_642=0, var_642_arg_0=1, var_642_arg_1=0, var_642_arg_2=0, var_643=0, var_643_arg_0=1, var_643_arg_1=0, var_643_arg_2=0, var_645=0, var_645_arg_0=0, var_645_arg_1=0, var_645_arg_2=0, var_646=0, var_646_arg_0=1, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=0, var_648_arg_2=0, var_649=0, var_649_arg_0=1, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=1, var_651_arg_1=0, var_651_arg_2=29, var_652=0, var_652_arg_0=1, var_652_arg_1=0, var_652_arg_2=0, var_654=0, var_654_arg_0=0, var_654_arg_1=0, var_654_arg_2=0, var_655=0, var_655_arg_0=1, var_655_arg_1=0, var_655_arg_2=0, var_657=13, var_657_arg_0=0, var_657_arg_1=0, var_657_arg_2=13, var_658=0, var_658_arg_0=1, var_658_arg_1=0, var_658_arg_2=13, var_66=22, var_660=0, var_660_arg_0=0, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=1, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=1, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=1, var_664_arg_1=0, var_664_arg_2=0, var_666=0, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=0, var_667=0, var_667_arg_0=1, var_667_arg_1=0, var_667_arg_2=0, var_669=50, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=50, var_66_arg_0=22, var_67=0, var_670=0, var_670_arg_0=1, var_670_arg_1=0, var_670_arg_2=50, var_672=0, var_672_arg_0=0, var_672_arg_1=0, var_672_arg_2=0, var_673=0, var_673_arg_0=1, var_673_arg_1=0, var_673_arg_2=0, var_675=44, var_675_arg_0=0, var_675_arg_1=0, var_675_arg_2=44, var_676=0, var_676_arg_0=1, var_676_arg_1=0, var_676_arg_2=44, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=1, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=1, var_67_arg_1=22, var_68=31, var_681=2, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=2, var_682=0, var_682_arg_0=1, var_682_arg_1=0, var_682_arg_2=2, var_684=1, var_684_arg_0=1, var_685=1, var_685_arg_0=0, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=1, var_687_arg_0=1, var_687_arg_1=0, var_688=0, var_688_arg_0=1, var_688_arg_1=0, var_688_arg_2=1, var_68_arg_0=0, var_68_arg_1=0, var_68_arg_2=31, var_690=0, var_690_arg_0=1, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=1, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=0, var_694_arg_0=1, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=1, var_696_arg_1=0, var_696_arg_2=1, var_697=0, var_697_arg_0=1, var_697_arg_1=0, var_697_arg_2=0, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=1, var_700_arg_1=0, var_700_arg_2=0, var_703=1, var_703_arg_0=1, var_703_arg_1=1, var_703_arg_2=0, var_704=0, var_704_arg_0=1, var_704_arg_1=0, var_704_arg_2=1, var_71=0, var_71_arg_0=0, var_72=0, var_72_arg_0=1, var_72_arg_1=0, var_73=31, var_73_arg_0=0, var_73_arg_1=0, var_73_arg_2=31, var_75=20, var_76=6, var_76_arg_0=6, var_77=0, var_77_arg_0=1, var_77_arg_1=6, var_78=31, var_78_arg_0=0, var_78_arg_1=31, var_78_arg_2=31, var_80=19, var_81=0, var_81_arg_0=0, var_82=0, var_82_arg_0=1, var_82_arg_1=0, var_83=31, var_83_arg_0=0, var_83_arg_1=31, var_83_arg_2=31, var_85=18, var_86=18, var_86_arg_0=18, var_87=0, var_87_arg_0=1, var_87_arg_1=18, var_88=31, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=31, var_90=17, var_91=0, var_91_arg_0=0, var_92=0, var_92_arg_0=1, var_92_arg_1=0, var_93=31, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=31, var_95=16, var_96=1, var_96_arg_0=1, var_97=1, var_97_arg_0=1, var_97_arg_1=1, var_98=30, var_98_arg_0=1, var_98_arg_1=30, var_98_arg_2=31] [L161] CALL assume_abort_if_not(constr_218_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L161] RET assume_abort_if_not(constr_218_arg_0) VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=5, input_231=1, input_4=9, input_5=34, input_6=2, input_7=1, input_8=38, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=2147483648, next_584_arg_1=0, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=0, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=0, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=0, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=0, state_191=0, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=1, var_103_arg_0=1, var_103_arg_1=1, var_104=30, var_104_arg_0=1, var_104_arg_1=30, var_104_arg_2=30, var_106=14, var_107=0, var_107_arg_0=0, var_108=0, var_108_arg_0=1, var_108_arg_1=0, var_109=30, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=30, var_111=13, var_112=1, var_112_arg_0=1, var_113=1, var_113_arg_0=1, var_113_arg_1=1, var_114=0, var_114_arg_0=1, var_114_arg_1=0, var_114_arg_2=30, var_116=12, var_117=0, var_117_arg_0=0, var_118=0, var_118_arg_0=1, var_118_arg_1=0, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=0, var_122_arg_0=0, var_123=0, var_123_arg_0=1, var_123_arg_1=0, var_124=0, var_124_arg_0=0, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=10, var_127_arg_0=10, var_128=0, var_128_arg_0=1, var_128_arg_1=10, var_129=0, var_129_arg_0=0, var_129_arg_1=29, var_129_arg_2=0, var_131=9, var_132=9, var_132_arg_0=9, var_133=0, var_133_arg_0=1, var_133_arg_1=9, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=0, var_137_arg_0=0, var_138=0, var_138_arg_0=1, var_138_arg_1=0, var_139=0, var_139_arg_0=0, var_139_arg_1=13, var_139_arg_2=0, var_14=1, var_142=7, var_143=7, var_143_arg_0=7, var_144=0, var_144_arg_0=1, var_144_arg_1=7, var_145=0, var_145_arg_0=0, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=255, var_148_arg_0=255, var_149=0, var_149_arg_0=1, var_149_arg_1=255, var_14_arg_0=1, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=1, var_154_arg_0=1, var_154_arg_1=1, var_155=0, var_155_arg_0=1, var_155_arg_1=0, var_155_arg_2=0, var_157=4, var_158=1, var_158_arg_0=1, var_159=1, var_159_arg_0=1, var_159_arg_1=1, var_16=0, var_160=50, var_160_arg_0=1, var_160_arg_1=50, var_160_arg_2=0, var_163=3, var_164=1, var_164_arg_0=1, var_165=1, var_165_arg_0=1, var_165_arg_1=1, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=50, var_168=2, var_169=0, var_169_arg_0=0, var_16_arg_0=1, var_16_arg_1=32, var_17=0, var_170=0, var_170_arg_0=1, var_170_arg_1=0, var_171=0, var_171_arg_0=0, var_171_arg_1=44, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=1, var_175_arg_0=1, var_175_arg_1=1, var_176=0, var_176_arg_0=1, var_176_arg_1=0, var_176_arg_2=0, var_178=1, var_178_arg_0=1, var_179=1, var_179_arg_0=1, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_180=2, var_180_arg_0=1, var_180_arg_1=2, var_180_arg_2=0, var_183=0, var_183_arg_0=0, var_184=19, var_184_arg_0=0, var_186=33, var_187=1, var_187_arg_0=1, var_188=0, var_188_arg_0=0, var_188_arg_1=1, var_192=254, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=254, var_195=1, var_195_arg_0=1, var_196=0, var_196_arg_0=0, var_196_arg_1=1, var_197=0, var_197_arg_0=0, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=1, var_200_arg_0=1, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=1, var_202_arg_0=1, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=1, var_204_arg_1=0, var_204_arg_2=1, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=1, var_208_arg_0=0, var_21=46, var_210=0, var_210_arg_0=0, var_210_arg_1=2, var_211=1, var_211_arg_0=1, var_211_arg_1=0, var_215=0, var_215_arg_0=1, var_215_arg_1=0, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=255, var_219=1, var_219_arg_0=0, var_21_arg_0=46, var_22=0, var_220=1, var_220_arg_0=1, var_221=1, var_221_arg_0=1, var_221_arg_1=1, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=1, var_225=0, var_225_arg_0=19, var_226=253, var_226_arg_0=0, var_227=113, var_227_arg_0=0, var_227_arg_1=253, var_228=0, var_228_arg_0=1, var_229=1, var_229_arg_0=113, var_229_arg_1=0, var_22_arg_0=1, var_22_arg_1=46, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=3, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=3, var_23_arg_0=0, var_23_arg_1=0, var_23_arg_2=0, var_241=1, var_241_arg_0=1, var_241_arg_1=0, var_242=1, var_242_arg_0=1, var_242_arg_1=1, var_25=30, var_26=1, var_26_arg_0=1, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_28=0, var_283=0, var_283_arg_0=0, var_284=0, var_284_arg_0=0, var_285=2, var_285_arg_0=0, var_286=0, var_286_arg_0=1, var_286_arg_1=2, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=0, var_291_arg_0=0, var_292=1, var_292_arg_0=0, var_292_arg_1=0, var_293=1, var_293_arg_0=1, var_293_arg_1=1, var_298=4, var_298_arg_0=4, var_299=0, var_299_arg_0=0, var_299_arg_1=4, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=255, var_305_arg_0=255, var_306=0, var_306_arg_0=0, var_306_arg_1=255, var_307=0, var_307_arg_0=1, var_307_arg_1=0, var_31=0, var_312=0, var_312_arg_0=0, var_313=1, var_313_arg_0=0, var_313_arg_1=0, var_314=1, var_314_arg_0=1, var_314_arg_1=1, var_319=40, var_319_arg_0=40, var_31_arg_0=0, var_32=0, var_320=0, var_320_arg_0=0, var_320_arg_1=40, var_321=0, var_321_arg_0=1, var_321_arg_1=0, var_326=13, var_326_arg_0=13, var_327=0, var_327_arg_0=0, var_327_arg_1=13, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=1, var_32_arg_1=0, var_33=0, var_333=255, var_333_arg_0=255, var_334=0, var_334_arg_0=0, var_334_arg_1=255, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_340=0, var_340_arg_0=0, var_341=1, var_341_arg_0=0, var_341_arg_1=0, var_342=1, var_342_arg_0=1, var_342_arg_1=1, var_347=2, var_347_arg_0=2, var_348=0, var_348_arg_0=0, var_348_arg_1=2, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=1, var_354_arg_0=1, var_355=0, var_355_arg_0=0, var_355_arg_1=1, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=1, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=0, var_368_arg_0=0, var_369=1, var_369_arg_0=0, var_369_arg_1=0, var_36_arg_0=1, var_37=1, var_370=1, var_370_arg_0=1, var_370_arg_1=1, var_375=5, var_375_arg_0=5, var_376=0, var_376_arg_0=0, var_376_arg_1=5, var_377=0, var_377_arg_0=1, var_377_arg_1=0, var_37_arg_0=1, var_37_arg_1=1, var_38=0, var_382=0, var_382_arg_0=0, var_383=1, var_383_arg_0=0, var_383_arg_1=0, var_384=1, var_384_arg_0=1, var_384_arg_1=1, var_389=38, var_389_arg_0=38, var_38_arg_0=1, var_38_arg_1=0, var_38_arg_2=0, var_390=0, var_390_arg_0=0, var_390_arg_1=38, var_391=0, var_391_arg_0=1, var_391_arg_1=0, var_396=1, var_396_arg_0=1, var_397=0, var_397_arg_0=0, var_397_arg_1=1, var_398=0, var_398_arg_0=1, var_398_arg_1=0, var_40=27, var_403=1, var_403_arg_0=1, var_404=0, var_404_arg_0=0, var_404_arg_1=1, var_405=0, var_405_arg_0=1, var_405_arg_1=0, var_41=27, var_410=0, var_410_arg_0=0, var_411=1, var_411_arg_0=0, var_411_arg_1=0, var_412=1, var_412_arg_0=1, var_412_arg_1=1, var_417=0, var_417_arg_0=0, var_418=1, var_418_arg_0=0, var_418_arg_1=0, var_419=1, var_419_arg_0=1, var_419_arg_1=1, var_41_arg_0=27, var_42=0, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=1, var_42_arg_1=27, var_43=0, var_431=0, var_431_arg_0=0, var_432=1, var_432_arg_0=0, var_432_arg_1=0, var_433=1, var_433_arg_0=1, var_433_arg_1=1, var_438=2, var_438_arg_0=2, var_439=0, var_439_arg_0=0, var_439_arg_1=2, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_440=0, var_440_arg_0=1, var_440_arg_1=0, var_445=1, var_445_arg_0=1, var_446=0, var_446_arg_0=0, var_446_arg_1=1, var_447=0, var_447_arg_0=1, var_447_arg_1=0, var_45=26, var_452=253, var_452_arg_0=253, var_453=0, var_453_arg_0=0, var_453_arg_1=253, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=1, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=1, var_465_arg_0=1, var_466=0, var_466_arg_0=0, var_466_arg_1=1, var_467=0, var_467_arg_0=1, var_467_arg_1=0, var_46_arg_0=1, var_47=1, var_472=48, var_472_arg_0=48, var_473=0, var_473_arg_0=0, var_473_arg_1=48, var_474=0, var_474_arg_0=1, var_474_arg_1=0, var_479=5, var_479_arg_0=5, var_47_arg_0=1, var_47_arg_1=1, var_48=0, var_480=0, var_480_arg_0=0, var_480_arg_1=5, var_481=0, var_481_arg_0=1, var_481_arg_1=0, var_486=0, var_486_arg_0=0, var_487=1, var_487_arg_0=0, var_487_arg_1=0, var_488=1, var_488_arg_0=1, var_488_arg_1=1, var_48_arg_0=1, var_48_arg_1=0, var_48_arg_2=0, var_493=44, var_493_arg_0=44, var_494=0, var_494_arg_0=0, var_494_arg_1=44, var_495=0, var_495_arg_0=1, var_495_arg_1=0, var_50=25, var_500=1, var_500_arg_0=1, var_501=0, var_501_arg_0=0, var_501_arg_1=1, var_502=0, var_502_arg_0=1, var_502_arg_1=0, var_507=255, var_507_arg_0=255, var_508=0, var_508_arg_0=0, var_508_arg_1=255, var_509=0, var_509_arg_0=1, var_509_arg_1=0, var_51=1, var_512=0, var_512_arg_0=0, var_513=1, var_513_arg_0=1, var_513_arg_1=0, var_518=1, var_518_arg_0=1, var_519=1, var_519_arg_0=0, var_519_arg_1=1, var_51_arg_0=1, var_52=1, var_52_arg_0=1, var_52_arg_1=1, var_53=0, var_538=0, var_538_arg_0=2, var_538_arg_1=1, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=1, var_53_arg_1=0, var_53_arg_2=0, var_542=1, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=1, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=36, var_562=1, var_562_arg_0=1, var_562_arg_1=0, var_563=1, var_563_arg_0=1, var_563_arg_1=1, var_564=1, var_564_arg_0=1, var_564_arg_1=0, var_56_arg_0=36, var_57=0, var_57_arg_0=1, var_57_arg_1=36, var_58=0, var_581=0, var_581_arg_0=0, var_581_arg_1=0, var_581_arg_2=0, var_582=0, var_583=0, var_583_arg_0=1, var_583_arg_1=0, var_583_arg_2=0, var_585=1, var_585_arg_0=1, var_585_arg_1=1, var_585_arg_2=1, var_586=0, var_586_arg_0=1, var_586_arg_1=0, var_586_arg_2=1, var_588=0, var_588_arg_0=0, var_588_arg_1=0, var_588_arg_2=0, var_589=0, var_589_arg_0=1, var_589_arg_1=0, var_589_arg_2=0, var_58_arg_0=0, var_58_arg_1=0, var_58_arg_2=0, var_591=0, var_591_arg_0=0, var_591_arg_1=0, var_591_arg_2=0, var_592=0, var_592_arg_0=1, var_592_arg_1=0, var_592_arg_2=0, var_594=0, var_594_arg_0=1, var_594_arg_1=0, var_594_arg_2=0, var_595=0, var_595_arg_0=1, var_595_arg_1=0, var_595_arg_2=0, var_597=0, var_597_arg_0=0, var_597_arg_1=0, var_597_arg_2=0, var_598=0, var_598_arg_0=1, var_598_arg_1=0, var_598_arg_2=0, var_60=23, var_600=0, var_600_arg_0=1, var_600_arg_1=0, var_600_arg_2=0, var_601=0, var_601_arg_0=1, var_601_arg_1=0, var_601_arg_2=0, var_603=0, var_603_arg_0=1, var_603_arg_1=0, var_603_arg_2=0, var_604=0, var_604_arg_0=1, var_604_arg_1=0, var_604_arg_2=0, var_606=0, var_606_arg_0=0, var_606_arg_1=0, var_606_arg_2=0, var_607=0, var_607_arg_0=1, var_607_arg_1=0, var_607_arg_2=0, var_609=0, var_609_arg_0=0, var_609_arg_1=0, var_609_arg_2=0, var_61=1, var_610=0, var_610_arg_0=1, var_610_arg_1=0, var_610_arg_2=0, var_612=31, var_612_arg_0=0, var_612_arg_1=0, var_612_arg_2=31, var_613=0, var_613_arg_0=1, var_613_arg_1=0, var_613_arg_2=31, var_615=0, var_615_arg_0=1, var_615_arg_1=0, var_615_arg_2=0, var_616=0, var_616_arg_0=1, var_616_arg_1=0, var_616_arg_2=0, var_618=0, var_618_arg_0=0, var_618_arg_1=0, var_618_arg_2=0, var_619=0, var_619_arg_0=1, var_619_arg_1=0, var_619_arg_2=0, var_61_arg_0=1, var_62=1, var_621=0, var_621_arg_0=1, var_621_arg_1=0, var_621_arg_2=31, var_622=0, var_622_arg_0=1, var_622_arg_1=0, var_622_arg_2=0, var_624=31, var_624_arg_0=0, var_624_arg_1=0, var_624_arg_2=31, var_625=0, var_625_arg_0=1, var_625_arg_1=0, var_625_arg_2=31, var_627=0, var_627_arg_0=0, var_627_arg_1=0, var_627_arg_2=0, var_628=0, var_628_arg_0=1, var_628_arg_1=0, var_628_arg_2=0, var_62_arg_0=1, var_62_arg_1=1, var_63=31, var_630=0, var_630_arg_0=1, var_630_arg_1=0, var_630_arg_2=0, var_631=0, var_631_arg_0=1, var_631_arg_1=0, var_631_arg_2=0, var_633=30, var_633_arg_0=0, var_633_arg_1=0, var_633_arg_2=30, var_634=0, var_634_arg_0=1, var_634_arg_1=0, var_634_arg_2=30, var_636=30, var_636_arg_0=0, var_636_arg_1=0, var_636_arg_2=30, var_637=0, var_637_arg_0=1, var_637_arg_1=0, var_637_arg_2=30, var_639=0, var_639_arg_0=0, var_639_arg_1=0, var_639_arg_2=0, var_63_arg_0=1, var_63_arg_1=31, var_63_arg_2=0, var_640=0, var_640_arg_0=1, var_640_arg_1=0, var_640_arg_2=0, var_642=0, var_642_arg_0=1, var_642_arg_1=0, var_642_arg_2=0, var_643=0, var_643_arg_0=1, var_643_arg_1=0, var_643_arg_2=0, var_645=0, var_645_arg_0=0, var_645_arg_1=0, var_645_arg_2=0, var_646=0, var_646_arg_0=1, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=0, var_648_arg_2=0, var_649=0, var_649_arg_0=1, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=1, var_651_arg_1=0, var_651_arg_2=29, var_652=0, var_652_arg_0=1, var_652_arg_1=0, var_652_arg_2=0, var_654=0, var_654_arg_0=0, var_654_arg_1=0, var_654_arg_2=0, var_655=0, var_655_arg_0=1, var_655_arg_1=0, var_655_arg_2=0, var_657=13, var_657_arg_0=0, var_657_arg_1=0, var_657_arg_2=13, var_658=0, var_658_arg_0=1, var_658_arg_1=0, var_658_arg_2=13, var_66=22, var_660=0, var_660_arg_0=0, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=1, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=1, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=1, var_664_arg_1=0, var_664_arg_2=0, var_666=0, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=0, var_667=0, var_667_arg_0=1, var_667_arg_1=0, var_667_arg_2=0, var_669=50, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=50, var_66_arg_0=22, var_67=0, var_670=0, var_670_arg_0=1, var_670_arg_1=0, var_670_arg_2=50, var_672=0, var_672_arg_0=0, var_672_arg_1=0, var_672_arg_2=0, var_673=0, var_673_arg_0=1, var_673_arg_1=0, var_673_arg_2=0, var_675=44, var_675_arg_0=0, var_675_arg_1=0, var_675_arg_2=44, var_676=0, var_676_arg_0=1, var_676_arg_1=0, var_676_arg_2=44, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=1, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=1, var_67_arg_1=22, var_68=31, var_681=2, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=2, var_682=0, var_682_arg_0=1, var_682_arg_1=0, var_682_arg_2=2, var_684=1, var_684_arg_0=1, var_685=1, var_685_arg_0=0, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=1, var_687_arg_0=1, var_687_arg_1=0, var_688=0, var_688_arg_0=1, var_688_arg_1=0, var_688_arg_2=1, var_68_arg_0=0, var_68_arg_1=0, var_68_arg_2=31, var_690=0, var_690_arg_0=1, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=1, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=0, var_694_arg_0=1, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=1, var_696_arg_1=0, var_696_arg_2=1, var_697=0, var_697_arg_0=1, var_697_arg_1=0, var_697_arg_2=0, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=1, var_700_arg_1=0, var_700_arg_2=0, var_703=1, var_703_arg_0=1, var_703_arg_1=1, var_703_arg_2=0, var_704=0, var_704_arg_0=1, var_704_arg_1=0, var_704_arg_2=1, var_71=0, var_71_arg_0=0, var_72=0, var_72_arg_0=1, var_72_arg_1=0, var_73=31, var_73_arg_0=0, var_73_arg_1=0, var_73_arg_2=31, var_75=20, var_76=6, var_76_arg_0=6, var_77=0, var_77_arg_0=1, var_77_arg_1=6, var_78=31, var_78_arg_0=0, var_78_arg_1=31, var_78_arg_2=31, var_80=19, var_81=0, var_81_arg_0=0, var_82=0, var_82_arg_0=1, var_82_arg_1=0, var_83=31, var_83_arg_0=0, var_83_arg_1=31, var_83_arg_2=31, var_85=18, var_86=18, var_86_arg_0=18, var_87=0, var_87_arg_0=1, var_87_arg_1=18, var_88=31, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=31, var_90=17, var_91=0, var_91_arg_0=0, var_92=0, var_92_arg_0=1, var_92_arg_1=0, var_93=31, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=31, var_95=16, var_96=1, var_96_arg_0=1, var_97=1, var_97_arg_0=1, var_97_arg_1=1, var_98=30, var_98_arg_0=1, var_98_arg_1=30, var_98_arg_2=31] [L162] SORT_13 var_187_arg_0 = var_186; [L163] var_187_arg_0 = var_187_arg_0 & mask_SORT_13 [L164] SORT_11 var_187 = var_187_arg_0; [L165] SORT_11 var_188_arg_0 = state_182; [L166] SORT_11 var_188_arg_1 = var_187; [L167] SORT_1 var_188 = var_188_arg_0 == var_188_arg_1; [L168] SORT_1 var_219_arg_0 = var_188; [L169] SORT_1 var_219 = ~var_219_arg_0; [L170] SORT_1 var_220_arg_0 = input_6; [L171] SORT_1 var_220 = ~var_220_arg_0; [L172] SORT_1 var_221_arg_0 = var_219; [L173] SORT_1 var_221_arg_1 = var_220; [L174] SORT_1 var_221 = var_221_arg_0 | var_221_arg_1; [L175] SORT_1 var_222_arg_0 = var_173; [L176] SORT_1 var_222 = ~var_222_arg_0; [L177] SORT_1 var_223_arg_0 = var_221; [L178] SORT_1 var_223_arg_1 = var_222; [L179] SORT_1 var_223 = var_223_arg_0 | var_223_arg_1; [L180] var_223 = var_223 & mask_SORT_1 [L181] SORT_1 constr_224_arg_0 = var_223; VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=5, input_231=1, input_4=9, input_5=34, input_6=2, input_7=1, input_8=38, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=2147483648, next_584_arg_1=0, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=0, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=0, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=0, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=0, state_191=0, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=1, var_103_arg_0=1, var_103_arg_1=1, var_104=30, var_104_arg_0=1, var_104_arg_1=30, var_104_arg_2=30, var_106=14, var_107=0, var_107_arg_0=0, var_108=0, var_108_arg_0=1, var_108_arg_1=0, var_109=30, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=30, var_111=13, var_112=1, var_112_arg_0=1, var_113=1, var_113_arg_0=1, var_113_arg_1=1, var_114=0, var_114_arg_0=1, var_114_arg_1=0, var_114_arg_2=30, var_116=12, var_117=0, var_117_arg_0=0, var_118=0, var_118_arg_0=1, var_118_arg_1=0, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=0, var_122_arg_0=0, var_123=0, var_123_arg_0=1, var_123_arg_1=0, var_124=0, var_124_arg_0=0, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=10, var_127_arg_0=10, var_128=0, var_128_arg_0=1, var_128_arg_1=10, var_129=0, var_129_arg_0=0, var_129_arg_1=29, var_129_arg_2=0, var_131=9, var_132=9, var_132_arg_0=9, var_133=0, var_133_arg_0=1, var_133_arg_1=9, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=0, var_137_arg_0=0, var_138=0, var_138_arg_0=1, var_138_arg_1=0, var_139=0, var_139_arg_0=0, var_139_arg_1=13, var_139_arg_2=0, var_14=1, var_142=7, var_143=7, var_143_arg_0=7, var_144=0, var_144_arg_0=1, var_144_arg_1=7, var_145=0, var_145_arg_0=0, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=255, var_148_arg_0=255, var_149=0, var_149_arg_0=1, var_149_arg_1=255, var_14_arg_0=1, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=1, var_154_arg_0=1, var_154_arg_1=1, var_155=0, var_155_arg_0=1, var_155_arg_1=0, var_155_arg_2=0, var_157=4, var_158=1, var_158_arg_0=1, var_159=1, var_159_arg_0=1, var_159_arg_1=1, var_16=0, var_160=50, var_160_arg_0=1, var_160_arg_1=50, var_160_arg_2=0, var_163=3, var_164=1, var_164_arg_0=1, var_165=1, var_165_arg_0=1, var_165_arg_1=1, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=50, var_168=2, var_169=0, var_169_arg_0=0, var_16_arg_0=1, var_16_arg_1=32, var_17=0, var_170=0, var_170_arg_0=1, var_170_arg_1=0, var_171=0, var_171_arg_0=0, var_171_arg_1=44, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=1, var_175_arg_0=1, var_175_arg_1=1, var_176=0, var_176_arg_0=1, var_176_arg_1=0, var_176_arg_2=0, var_178=1, var_178_arg_0=1, var_179=1, var_179_arg_0=1, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_180=2, var_180_arg_0=1, var_180_arg_1=2, var_180_arg_2=0, var_183=0, var_183_arg_0=0, var_184=19, var_184_arg_0=0, var_186=33, var_187=1, var_187_arg_0=1, var_188=0, var_188_arg_0=0, var_188_arg_1=1, var_192=254, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=254, var_195=1, var_195_arg_0=1, var_196=0, var_196_arg_0=0, var_196_arg_1=1, var_197=0, var_197_arg_0=0, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=1, var_200_arg_0=1, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=1, var_202_arg_0=1, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=1, var_204_arg_1=0, var_204_arg_2=1, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=1, var_208_arg_0=0, var_21=46, var_210=0, var_210_arg_0=0, var_210_arg_1=2, var_211=1, var_211_arg_0=1, var_211_arg_1=0, var_215=0, var_215_arg_0=1, var_215_arg_1=0, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=255, var_219=1, var_219_arg_0=0, var_21_arg_0=46, var_22=0, var_220=0, var_220_arg_0=2, var_221=1, var_221_arg_0=1, var_221_arg_1=0, var_222=255, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=255, var_225=0, var_225_arg_0=19, var_226=253, var_226_arg_0=0, var_227=113, var_227_arg_0=0, var_227_arg_1=253, var_228=0, var_228_arg_0=1, var_229=1, var_229_arg_0=113, var_229_arg_1=0, var_22_arg_0=1, var_22_arg_1=46, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=3, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=3, var_23_arg_0=0, var_23_arg_1=0, var_23_arg_2=0, var_241=1, var_241_arg_0=1, var_241_arg_1=0, var_242=1, var_242_arg_0=1, var_242_arg_1=1, var_25=30, var_26=1, var_26_arg_0=1, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_28=0, var_283=0, var_283_arg_0=0, var_284=0, var_284_arg_0=0, var_285=2, var_285_arg_0=0, var_286=0, var_286_arg_0=1, var_286_arg_1=2, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=0, var_291_arg_0=0, var_292=1, var_292_arg_0=0, var_292_arg_1=0, var_293=1, var_293_arg_0=1, var_293_arg_1=1, var_298=4, var_298_arg_0=4, var_299=0, var_299_arg_0=0, var_299_arg_1=4, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=255, var_305_arg_0=255, var_306=0, var_306_arg_0=0, var_306_arg_1=255, var_307=0, var_307_arg_0=1, var_307_arg_1=0, var_31=0, var_312=0, var_312_arg_0=0, var_313=1, var_313_arg_0=0, var_313_arg_1=0, var_314=1, var_314_arg_0=1, var_314_arg_1=1, var_319=40, var_319_arg_0=40, var_31_arg_0=0, var_32=0, var_320=0, var_320_arg_0=0, var_320_arg_1=40, var_321=0, var_321_arg_0=1, var_321_arg_1=0, var_326=13, var_326_arg_0=13, var_327=0, var_327_arg_0=0, var_327_arg_1=13, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=1, var_32_arg_1=0, var_33=0, var_333=255, var_333_arg_0=255, var_334=0, var_334_arg_0=0, var_334_arg_1=255, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_340=0, var_340_arg_0=0, var_341=1, var_341_arg_0=0, var_341_arg_1=0, var_342=1, var_342_arg_0=1, var_342_arg_1=1, var_347=2, var_347_arg_0=2, var_348=0, var_348_arg_0=0, var_348_arg_1=2, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=1, var_354_arg_0=1, var_355=0, var_355_arg_0=0, var_355_arg_1=1, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=1, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=0, var_368_arg_0=0, var_369=1, var_369_arg_0=0, var_369_arg_1=0, var_36_arg_0=1, var_37=1, var_370=1, var_370_arg_0=1, var_370_arg_1=1, var_375=5, var_375_arg_0=5, var_376=0, var_376_arg_0=0, var_376_arg_1=5, var_377=0, var_377_arg_0=1, var_377_arg_1=0, var_37_arg_0=1, var_37_arg_1=1, var_38=0, var_382=0, var_382_arg_0=0, var_383=1, var_383_arg_0=0, var_383_arg_1=0, var_384=1, var_384_arg_0=1, var_384_arg_1=1, var_389=38, var_389_arg_0=38, var_38_arg_0=1, var_38_arg_1=0, var_38_arg_2=0, var_390=0, var_390_arg_0=0, var_390_arg_1=38, var_391=0, var_391_arg_0=1, var_391_arg_1=0, var_396=1, var_396_arg_0=1, var_397=0, var_397_arg_0=0, var_397_arg_1=1, var_398=0, var_398_arg_0=1, var_398_arg_1=0, var_40=27, var_403=1, var_403_arg_0=1, var_404=0, var_404_arg_0=0, var_404_arg_1=1, var_405=0, var_405_arg_0=1, var_405_arg_1=0, var_41=27, var_410=0, var_410_arg_0=0, var_411=1, var_411_arg_0=0, var_411_arg_1=0, var_412=1, var_412_arg_0=1, var_412_arg_1=1, var_417=0, var_417_arg_0=0, var_418=1, var_418_arg_0=0, var_418_arg_1=0, var_419=1, var_419_arg_0=1, var_419_arg_1=1, var_41_arg_0=27, var_42=0, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=1, var_42_arg_1=27, var_43=0, var_431=0, var_431_arg_0=0, var_432=1, var_432_arg_0=0, var_432_arg_1=0, var_433=1, var_433_arg_0=1, var_433_arg_1=1, var_438=2, var_438_arg_0=2, var_439=0, var_439_arg_0=0, var_439_arg_1=2, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_440=0, var_440_arg_0=1, var_440_arg_1=0, var_445=1, var_445_arg_0=1, var_446=0, var_446_arg_0=0, var_446_arg_1=1, var_447=0, var_447_arg_0=1, var_447_arg_1=0, var_45=26, var_452=253, var_452_arg_0=253, var_453=0, var_453_arg_0=0, var_453_arg_1=253, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=1, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=1, var_465_arg_0=1, var_466=0, var_466_arg_0=0, var_466_arg_1=1, var_467=0, var_467_arg_0=1, var_467_arg_1=0, var_46_arg_0=1, var_47=1, var_472=48, var_472_arg_0=48, var_473=0, var_473_arg_0=0, var_473_arg_1=48, var_474=0, var_474_arg_0=1, var_474_arg_1=0, var_479=5, var_479_arg_0=5, var_47_arg_0=1, var_47_arg_1=1, var_48=0, var_480=0, var_480_arg_0=0, var_480_arg_1=5, var_481=0, var_481_arg_0=1, var_481_arg_1=0, var_486=0, var_486_arg_0=0, var_487=1, var_487_arg_0=0, var_487_arg_1=0, var_488=1, var_488_arg_0=1, var_488_arg_1=1, var_48_arg_0=1, var_48_arg_1=0, var_48_arg_2=0, var_493=44, var_493_arg_0=44, var_494=0, var_494_arg_0=0, var_494_arg_1=44, var_495=0, var_495_arg_0=1, var_495_arg_1=0, var_50=25, var_500=1, var_500_arg_0=1, var_501=0, var_501_arg_0=0, var_501_arg_1=1, var_502=0, var_502_arg_0=1, var_502_arg_1=0, var_507=255, var_507_arg_0=255, var_508=0, var_508_arg_0=0, var_508_arg_1=255, var_509=0, var_509_arg_0=1, var_509_arg_1=0, var_51=1, var_512=0, var_512_arg_0=0, var_513=1, var_513_arg_0=1, var_513_arg_1=0, var_518=1, var_518_arg_0=1, var_519=1, var_519_arg_0=0, var_519_arg_1=1, var_51_arg_0=1, var_52=1, var_52_arg_0=1, var_52_arg_1=1, var_53=0, var_538=0, var_538_arg_0=2, var_538_arg_1=1, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=1, var_53_arg_1=0, var_53_arg_2=0, var_542=1, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=1, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=36, var_562=1, var_562_arg_0=1, var_562_arg_1=0, var_563=1, var_563_arg_0=1, var_563_arg_1=1, var_564=1, var_564_arg_0=1, var_564_arg_1=0, var_56_arg_0=36, var_57=0, var_57_arg_0=1, var_57_arg_1=36, var_58=0, var_581=0, var_581_arg_0=0, var_581_arg_1=0, var_581_arg_2=0, var_582=0, var_583=0, var_583_arg_0=1, var_583_arg_1=0, var_583_arg_2=0, var_585=1, var_585_arg_0=1, var_585_arg_1=1, var_585_arg_2=1, var_586=0, var_586_arg_0=1, var_586_arg_1=0, var_586_arg_2=1, var_588=0, var_588_arg_0=0, var_588_arg_1=0, var_588_arg_2=0, var_589=0, var_589_arg_0=1, var_589_arg_1=0, var_589_arg_2=0, var_58_arg_0=0, var_58_arg_1=0, var_58_arg_2=0, var_591=0, var_591_arg_0=0, var_591_arg_1=0, var_591_arg_2=0, var_592=0, var_592_arg_0=1, var_592_arg_1=0, var_592_arg_2=0, var_594=0, var_594_arg_0=1, var_594_arg_1=0, var_594_arg_2=0, var_595=0, var_595_arg_0=1, var_595_arg_1=0, var_595_arg_2=0, var_597=0, var_597_arg_0=0, var_597_arg_1=0, var_597_arg_2=0, var_598=0, var_598_arg_0=1, var_598_arg_1=0, var_598_arg_2=0, var_60=23, var_600=0, var_600_arg_0=1, var_600_arg_1=0, var_600_arg_2=0, var_601=0, var_601_arg_0=1, var_601_arg_1=0, var_601_arg_2=0, var_603=0, var_603_arg_0=1, var_603_arg_1=0, var_603_arg_2=0, var_604=0, var_604_arg_0=1, var_604_arg_1=0, var_604_arg_2=0, var_606=0, var_606_arg_0=0, var_606_arg_1=0, var_606_arg_2=0, var_607=0, var_607_arg_0=1, var_607_arg_1=0, var_607_arg_2=0, var_609=0, var_609_arg_0=0, var_609_arg_1=0, var_609_arg_2=0, var_61=1, var_610=0, var_610_arg_0=1, var_610_arg_1=0, var_610_arg_2=0, var_612=31, var_612_arg_0=0, var_612_arg_1=0, var_612_arg_2=31, var_613=0, var_613_arg_0=1, var_613_arg_1=0, var_613_arg_2=31, var_615=0, var_615_arg_0=1, var_615_arg_1=0, var_615_arg_2=0, var_616=0, var_616_arg_0=1, var_616_arg_1=0, var_616_arg_2=0, var_618=0, var_618_arg_0=0, var_618_arg_1=0, var_618_arg_2=0, var_619=0, var_619_arg_0=1, var_619_arg_1=0, var_619_arg_2=0, var_61_arg_0=1, var_62=1, var_621=0, var_621_arg_0=1, var_621_arg_1=0, var_621_arg_2=31, var_622=0, var_622_arg_0=1, var_622_arg_1=0, var_622_arg_2=0, var_624=31, var_624_arg_0=0, var_624_arg_1=0, var_624_arg_2=31, var_625=0, var_625_arg_0=1, var_625_arg_1=0, var_625_arg_2=31, var_627=0, var_627_arg_0=0, var_627_arg_1=0, var_627_arg_2=0, var_628=0, var_628_arg_0=1, var_628_arg_1=0, var_628_arg_2=0, var_62_arg_0=1, var_62_arg_1=1, var_63=31, var_630=0, var_630_arg_0=1, var_630_arg_1=0, var_630_arg_2=0, var_631=0, var_631_arg_0=1, var_631_arg_1=0, var_631_arg_2=0, var_633=30, var_633_arg_0=0, var_633_arg_1=0, var_633_arg_2=30, var_634=0, var_634_arg_0=1, var_634_arg_1=0, var_634_arg_2=30, var_636=30, var_636_arg_0=0, var_636_arg_1=0, var_636_arg_2=30, var_637=0, var_637_arg_0=1, var_637_arg_1=0, var_637_arg_2=30, var_639=0, var_639_arg_0=0, var_639_arg_1=0, var_639_arg_2=0, var_63_arg_0=1, var_63_arg_1=31, var_63_arg_2=0, var_640=0, var_640_arg_0=1, var_640_arg_1=0, var_640_arg_2=0, var_642=0, var_642_arg_0=1, var_642_arg_1=0, var_642_arg_2=0, var_643=0, var_643_arg_0=1, var_643_arg_1=0, var_643_arg_2=0, var_645=0, var_645_arg_0=0, var_645_arg_1=0, var_645_arg_2=0, var_646=0, var_646_arg_0=1, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=0, var_648_arg_2=0, var_649=0, var_649_arg_0=1, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=1, var_651_arg_1=0, var_651_arg_2=29, var_652=0, var_652_arg_0=1, var_652_arg_1=0, var_652_arg_2=0, var_654=0, var_654_arg_0=0, var_654_arg_1=0, var_654_arg_2=0, var_655=0, var_655_arg_0=1, var_655_arg_1=0, var_655_arg_2=0, var_657=13, var_657_arg_0=0, var_657_arg_1=0, var_657_arg_2=13, var_658=0, var_658_arg_0=1, var_658_arg_1=0, var_658_arg_2=13, var_66=22, var_660=0, var_660_arg_0=0, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=1, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=1, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=1, var_664_arg_1=0, var_664_arg_2=0, var_666=0, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=0, var_667=0, var_667_arg_0=1, var_667_arg_1=0, var_667_arg_2=0, var_669=50, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=50, var_66_arg_0=22, var_67=0, var_670=0, var_670_arg_0=1, var_670_arg_1=0, var_670_arg_2=50, var_672=0, var_672_arg_0=0, var_672_arg_1=0, var_672_arg_2=0, var_673=0, var_673_arg_0=1, var_673_arg_1=0, var_673_arg_2=0, var_675=44, var_675_arg_0=0, var_675_arg_1=0, var_675_arg_2=44, var_676=0, var_676_arg_0=1, var_676_arg_1=0, var_676_arg_2=44, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=1, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=1, var_67_arg_1=22, var_68=31, var_681=2, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=2, var_682=0, var_682_arg_0=1, var_682_arg_1=0, var_682_arg_2=2, var_684=1, var_684_arg_0=1, var_685=1, var_685_arg_0=0, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=1, var_687_arg_0=1, var_687_arg_1=0, var_688=0, var_688_arg_0=1, var_688_arg_1=0, var_688_arg_2=1, var_68_arg_0=0, var_68_arg_1=0, var_68_arg_2=31, var_690=0, var_690_arg_0=1, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=1, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=0, var_694_arg_0=1, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=1, var_696_arg_1=0, var_696_arg_2=1, var_697=0, var_697_arg_0=1, var_697_arg_1=0, var_697_arg_2=0, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=1, var_700_arg_1=0, var_700_arg_2=0, var_703=1, var_703_arg_0=1, var_703_arg_1=1, var_703_arg_2=0, var_704=0, var_704_arg_0=1, var_704_arg_1=0, var_704_arg_2=1, var_71=0, var_71_arg_0=0, var_72=0, var_72_arg_0=1, var_72_arg_1=0, var_73=31, var_73_arg_0=0, var_73_arg_1=0, var_73_arg_2=31, var_75=20, var_76=6, var_76_arg_0=6, var_77=0, var_77_arg_0=1, var_77_arg_1=6, var_78=31, var_78_arg_0=0, var_78_arg_1=31, var_78_arg_2=31, var_80=19, var_81=0, var_81_arg_0=0, var_82=0, var_82_arg_0=1, var_82_arg_1=0, var_83=31, var_83_arg_0=0, var_83_arg_1=31, var_83_arg_2=31, var_85=18, var_86=18, var_86_arg_0=18, var_87=0, var_87_arg_0=1, var_87_arg_1=18, var_88=31, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=31, var_90=17, var_91=0, var_91_arg_0=0, var_92=0, var_92_arg_0=1, var_92_arg_1=0, var_93=31, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=31, var_95=16, var_96=1, var_96_arg_0=1, var_97=1, var_97_arg_0=1, var_97_arg_1=1, var_98=30, var_98_arg_0=1, var_98_arg_1=30, var_98_arg_2=31] [L182] CALL assume_abort_if_not(constr_224_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L182] RET assume_abort_if_not(constr_224_arg_0) VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=5, input_231=1, input_4=9, input_5=34, input_6=2, input_7=1, input_8=38, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=2147483648, next_584_arg_1=0, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=0, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=0, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=0, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=0, state_191=0, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=1, var_103_arg_0=1, var_103_arg_1=1, var_104=30, var_104_arg_0=1, var_104_arg_1=30, var_104_arg_2=30, var_106=14, var_107=0, var_107_arg_0=0, var_108=0, var_108_arg_0=1, var_108_arg_1=0, var_109=30, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=30, var_111=13, var_112=1, var_112_arg_0=1, var_113=1, var_113_arg_0=1, var_113_arg_1=1, var_114=0, var_114_arg_0=1, var_114_arg_1=0, var_114_arg_2=30, var_116=12, var_117=0, var_117_arg_0=0, var_118=0, var_118_arg_0=1, var_118_arg_1=0, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=0, var_122_arg_0=0, var_123=0, var_123_arg_0=1, var_123_arg_1=0, var_124=0, var_124_arg_0=0, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=10, var_127_arg_0=10, var_128=0, var_128_arg_0=1, var_128_arg_1=10, var_129=0, var_129_arg_0=0, var_129_arg_1=29, var_129_arg_2=0, var_131=9, var_132=9, var_132_arg_0=9, var_133=0, var_133_arg_0=1, var_133_arg_1=9, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=0, var_137_arg_0=0, var_138=0, var_138_arg_0=1, var_138_arg_1=0, var_139=0, var_139_arg_0=0, var_139_arg_1=13, var_139_arg_2=0, var_14=1, var_142=7, var_143=7, var_143_arg_0=7, var_144=0, var_144_arg_0=1, var_144_arg_1=7, var_145=0, var_145_arg_0=0, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=255, var_148_arg_0=255, var_149=0, var_149_arg_0=1, var_149_arg_1=255, var_14_arg_0=1, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=1, var_154_arg_0=1, var_154_arg_1=1, var_155=0, var_155_arg_0=1, var_155_arg_1=0, var_155_arg_2=0, var_157=4, var_158=1, var_158_arg_0=1, var_159=1, var_159_arg_0=1, var_159_arg_1=1, var_16=0, var_160=50, var_160_arg_0=1, var_160_arg_1=50, var_160_arg_2=0, var_163=3, var_164=1, var_164_arg_0=1, var_165=1, var_165_arg_0=1, var_165_arg_1=1, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=50, var_168=2, var_169=0, var_169_arg_0=0, var_16_arg_0=1, var_16_arg_1=32, var_17=0, var_170=0, var_170_arg_0=1, var_170_arg_1=0, var_171=0, var_171_arg_0=0, var_171_arg_1=44, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=1, var_175_arg_0=1, var_175_arg_1=1, var_176=0, var_176_arg_0=1, var_176_arg_1=0, var_176_arg_2=0, var_178=1, var_178_arg_0=1, var_179=1, var_179_arg_0=1, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_180=2, var_180_arg_0=1, var_180_arg_1=2, var_180_arg_2=0, var_183=0, var_183_arg_0=0, var_184=19, var_184_arg_0=0, var_186=33, var_187=1, var_187_arg_0=1, var_188=0, var_188_arg_0=0, var_188_arg_1=1, var_192=254, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=254, var_195=1, var_195_arg_0=1, var_196=0, var_196_arg_0=0, var_196_arg_1=1, var_197=0, var_197_arg_0=0, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=1, var_200_arg_0=1, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=1, var_202_arg_0=1, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=1, var_204_arg_1=0, var_204_arg_2=1, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=1, var_208_arg_0=0, var_21=46, var_210=0, var_210_arg_0=0, var_210_arg_1=2, var_211=1, var_211_arg_0=1, var_211_arg_1=0, var_215=0, var_215_arg_0=1, var_215_arg_1=0, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=255, var_219=1, var_219_arg_0=0, var_21_arg_0=46, var_22=0, var_220=0, var_220_arg_0=2, var_221=1, var_221_arg_0=1, var_221_arg_1=0, var_222=255, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=255, var_225=0, var_225_arg_0=19, var_226=253, var_226_arg_0=0, var_227=113, var_227_arg_0=0, var_227_arg_1=253, var_228=0, var_228_arg_0=1, var_229=1, var_229_arg_0=113, var_229_arg_1=0, var_22_arg_0=1, var_22_arg_1=46, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=3, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=3, var_23_arg_0=0, var_23_arg_1=0, var_23_arg_2=0, var_241=1, var_241_arg_0=1, var_241_arg_1=0, var_242=1, var_242_arg_0=1, var_242_arg_1=1, var_25=30, var_26=1, var_26_arg_0=1, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_28=0, var_283=0, var_283_arg_0=0, var_284=0, var_284_arg_0=0, var_285=2, var_285_arg_0=0, var_286=0, var_286_arg_0=1, var_286_arg_1=2, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=0, var_291_arg_0=0, var_292=1, var_292_arg_0=0, var_292_arg_1=0, var_293=1, var_293_arg_0=1, var_293_arg_1=1, var_298=4, var_298_arg_0=4, var_299=0, var_299_arg_0=0, var_299_arg_1=4, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=255, var_305_arg_0=255, var_306=0, var_306_arg_0=0, var_306_arg_1=255, var_307=0, var_307_arg_0=1, var_307_arg_1=0, var_31=0, var_312=0, var_312_arg_0=0, var_313=1, var_313_arg_0=0, var_313_arg_1=0, var_314=1, var_314_arg_0=1, var_314_arg_1=1, var_319=40, var_319_arg_0=40, var_31_arg_0=0, var_32=0, var_320=0, var_320_arg_0=0, var_320_arg_1=40, var_321=0, var_321_arg_0=1, var_321_arg_1=0, var_326=13, var_326_arg_0=13, var_327=0, var_327_arg_0=0, var_327_arg_1=13, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=1, var_32_arg_1=0, var_33=0, var_333=255, var_333_arg_0=255, var_334=0, var_334_arg_0=0, var_334_arg_1=255, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_340=0, var_340_arg_0=0, var_341=1, var_341_arg_0=0, var_341_arg_1=0, var_342=1, var_342_arg_0=1, var_342_arg_1=1, var_347=2, var_347_arg_0=2, var_348=0, var_348_arg_0=0, var_348_arg_1=2, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=1, var_354_arg_0=1, var_355=0, var_355_arg_0=0, var_355_arg_1=1, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=1, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=0, var_368_arg_0=0, var_369=1, var_369_arg_0=0, var_369_arg_1=0, var_36_arg_0=1, var_37=1, var_370=1, var_370_arg_0=1, var_370_arg_1=1, var_375=5, var_375_arg_0=5, var_376=0, var_376_arg_0=0, var_376_arg_1=5, var_377=0, var_377_arg_0=1, var_377_arg_1=0, var_37_arg_0=1, var_37_arg_1=1, var_38=0, var_382=0, var_382_arg_0=0, var_383=1, var_383_arg_0=0, var_383_arg_1=0, var_384=1, var_384_arg_0=1, var_384_arg_1=1, var_389=38, var_389_arg_0=38, var_38_arg_0=1, var_38_arg_1=0, var_38_arg_2=0, var_390=0, var_390_arg_0=0, var_390_arg_1=38, var_391=0, var_391_arg_0=1, var_391_arg_1=0, var_396=1, var_396_arg_0=1, var_397=0, var_397_arg_0=0, var_397_arg_1=1, var_398=0, var_398_arg_0=1, var_398_arg_1=0, var_40=27, var_403=1, var_403_arg_0=1, var_404=0, var_404_arg_0=0, var_404_arg_1=1, var_405=0, var_405_arg_0=1, var_405_arg_1=0, var_41=27, var_410=0, var_410_arg_0=0, var_411=1, var_411_arg_0=0, var_411_arg_1=0, var_412=1, var_412_arg_0=1, var_412_arg_1=1, var_417=0, var_417_arg_0=0, var_418=1, var_418_arg_0=0, var_418_arg_1=0, var_419=1, var_419_arg_0=1, var_419_arg_1=1, var_41_arg_0=27, var_42=0, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=1, var_42_arg_1=27, var_43=0, var_431=0, var_431_arg_0=0, var_432=1, var_432_arg_0=0, var_432_arg_1=0, var_433=1, var_433_arg_0=1, var_433_arg_1=1, var_438=2, var_438_arg_0=2, var_439=0, var_439_arg_0=0, var_439_arg_1=2, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_440=0, var_440_arg_0=1, var_440_arg_1=0, var_445=1, var_445_arg_0=1, var_446=0, var_446_arg_0=0, var_446_arg_1=1, var_447=0, var_447_arg_0=1, var_447_arg_1=0, var_45=26, var_452=253, var_452_arg_0=253, var_453=0, var_453_arg_0=0, var_453_arg_1=253, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=1, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=1, var_465_arg_0=1, var_466=0, var_466_arg_0=0, var_466_arg_1=1, var_467=0, var_467_arg_0=1, var_467_arg_1=0, var_46_arg_0=1, var_47=1, var_472=48, var_472_arg_0=48, var_473=0, var_473_arg_0=0, var_473_arg_1=48, var_474=0, var_474_arg_0=1, var_474_arg_1=0, var_479=5, var_479_arg_0=5, var_47_arg_0=1, var_47_arg_1=1, var_48=0, var_480=0, var_480_arg_0=0, var_480_arg_1=5, var_481=0, var_481_arg_0=1, var_481_arg_1=0, var_486=0, var_486_arg_0=0, var_487=1, var_487_arg_0=0, var_487_arg_1=0, var_488=1, var_488_arg_0=1, var_488_arg_1=1, var_48_arg_0=1, var_48_arg_1=0, var_48_arg_2=0, var_493=44, var_493_arg_0=44, var_494=0, var_494_arg_0=0, var_494_arg_1=44, var_495=0, var_495_arg_0=1, var_495_arg_1=0, var_50=25, var_500=1, var_500_arg_0=1, var_501=0, var_501_arg_0=0, var_501_arg_1=1, var_502=0, var_502_arg_0=1, var_502_arg_1=0, var_507=255, var_507_arg_0=255, var_508=0, var_508_arg_0=0, var_508_arg_1=255, var_509=0, var_509_arg_0=1, var_509_arg_1=0, var_51=1, var_512=0, var_512_arg_0=0, var_513=1, var_513_arg_0=1, var_513_arg_1=0, var_518=1, var_518_arg_0=1, var_519=1, var_519_arg_0=0, var_519_arg_1=1, var_51_arg_0=1, var_52=1, var_52_arg_0=1, var_52_arg_1=1, var_53=0, var_538=0, var_538_arg_0=2, var_538_arg_1=1, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=1, var_53_arg_1=0, var_53_arg_2=0, var_542=1, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=1, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=36, var_562=1, var_562_arg_0=1, var_562_arg_1=0, var_563=1, var_563_arg_0=1, var_563_arg_1=1, var_564=1, var_564_arg_0=1, var_564_arg_1=0, var_56_arg_0=36, var_57=0, var_57_arg_0=1, var_57_arg_1=36, var_58=0, var_581=0, var_581_arg_0=0, var_581_arg_1=0, var_581_arg_2=0, var_582=0, var_583=0, var_583_arg_0=1, var_583_arg_1=0, var_583_arg_2=0, var_585=1, var_585_arg_0=1, var_585_arg_1=1, var_585_arg_2=1, var_586=0, var_586_arg_0=1, var_586_arg_1=0, var_586_arg_2=1, var_588=0, var_588_arg_0=0, var_588_arg_1=0, var_588_arg_2=0, var_589=0, var_589_arg_0=1, var_589_arg_1=0, var_589_arg_2=0, var_58_arg_0=0, var_58_arg_1=0, var_58_arg_2=0, var_591=0, var_591_arg_0=0, var_591_arg_1=0, var_591_arg_2=0, var_592=0, var_592_arg_0=1, var_592_arg_1=0, var_592_arg_2=0, var_594=0, var_594_arg_0=1, var_594_arg_1=0, var_594_arg_2=0, var_595=0, var_595_arg_0=1, var_595_arg_1=0, var_595_arg_2=0, var_597=0, var_597_arg_0=0, var_597_arg_1=0, var_597_arg_2=0, var_598=0, var_598_arg_0=1, var_598_arg_1=0, var_598_arg_2=0, var_60=23, var_600=0, var_600_arg_0=1, var_600_arg_1=0, var_600_arg_2=0, var_601=0, var_601_arg_0=1, var_601_arg_1=0, var_601_arg_2=0, var_603=0, var_603_arg_0=1, var_603_arg_1=0, var_603_arg_2=0, var_604=0, var_604_arg_0=1, var_604_arg_1=0, var_604_arg_2=0, var_606=0, var_606_arg_0=0, var_606_arg_1=0, var_606_arg_2=0, var_607=0, var_607_arg_0=1, var_607_arg_1=0, var_607_arg_2=0, var_609=0, var_609_arg_0=0, var_609_arg_1=0, var_609_arg_2=0, var_61=1, var_610=0, var_610_arg_0=1, var_610_arg_1=0, var_610_arg_2=0, var_612=31, var_612_arg_0=0, var_612_arg_1=0, var_612_arg_2=31, var_613=0, var_613_arg_0=1, var_613_arg_1=0, var_613_arg_2=31, var_615=0, var_615_arg_0=1, var_615_arg_1=0, var_615_arg_2=0, var_616=0, var_616_arg_0=1, var_616_arg_1=0, var_616_arg_2=0, var_618=0, var_618_arg_0=0, var_618_arg_1=0, var_618_arg_2=0, var_619=0, var_619_arg_0=1, var_619_arg_1=0, var_619_arg_2=0, var_61_arg_0=1, var_62=1, var_621=0, var_621_arg_0=1, var_621_arg_1=0, var_621_arg_2=31, var_622=0, var_622_arg_0=1, var_622_arg_1=0, var_622_arg_2=0, var_624=31, var_624_arg_0=0, var_624_arg_1=0, var_624_arg_2=31, var_625=0, var_625_arg_0=1, var_625_arg_1=0, var_625_arg_2=31, var_627=0, var_627_arg_0=0, var_627_arg_1=0, var_627_arg_2=0, var_628=0, var_628_arg_0=1, var_628_arg_1=0, var_628_arg_2=0, var_62_arg_0=1, var_62_arg_1=1, var_63=31, var_630=0, var_630_arg_0=1, var_630_arg_1=0, var_630_arg_2=0, var_631=0, var_631_arg_0=1, var_631_arg_1=0, var_631_arg_2=0, var_633=30, var_633_arg_0=0, var_633_arg_1=0, var_633_arg_2=30, var_634=0, var_634_arg_0=1, var_634_arg_1=0, var_634_arg_2=30, var_636=30, var_636_arg_0=0, var_636_arg_1=0, var_636_arg_2=30, var_637=0, var_637_arg_0=1, var_637_arg_1=0, var_637_arg_2=30, var_639=0, var_639_arg_0=0, var_639_arg_1=0, var_639_arg_2=0, var_63_arg_0=1, var_63_arg_1=31, var_63_arg_2=0, var_640=0, var_640_arg_0=1, var_640_arg_1=0, var_640_arg_2=0, var_642=0, var_642_arg_0=1, var_642_arg_1=0, var_642_arg_2=0, var_643=0, var_643_arg_0=1, var_643_arg_1=0, var_643_arg_2=0, var_645=0, var_645_arg_0=0, var_645_arg_1=0, var_645_arg_2=0, var_646=0, var_646_arg_0=1, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=0, var_648_arg_2=0, var_649=0, var_649_arg_0=1, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=1, var_651_arg_1=0, var_651_arg_2=29, var_652=0, var_652_arg_0=1, var_652_arg_1=0, var_652_arg_2=0, var_654=0, var_654_arg_0=0, var_654_arg_1=0, var_654_arg_2=0, var_655=0, var_655_arg_0=1, var_655_arg_1=0, var_655_arg_2=0, var_657=13, var_657_arg_0=0, var_657_arg_1=0, var_657_arg_2=13, var_658=0, var_658_arg_0=1, var_658_arg_1=0, var_658_arg_2=13, var_66=22, var_660=0, var_660_arg_0=0, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=1, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=1, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=1, var_664_arg_1=0, var_664_arg_2=0, var_666=0, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=0, var_667=0, var_667_arg_0=1, var_667_arg_1=0, var_667_arg_2=0, var_669=50, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=50, var_66_arg_0=22, var_67=0, var_670=0, var_670_arg_0=1, var_670_arg_1=0, var_670_arg_2=50, var_672=0, var_672_arg_0=0, var_672_arg_1=0, var_672_arg_2=0, var_673=0, var_673_arg_0=1, var_673_arg_1=0, var_673_arg_2=0, var_675=44, var_675_arg_0=0, var_675_arg_1=0, var_675_arg_2=44, var_676=0, var_676_arg_0=1, var_676_arg_1=0, var_676_arg_2=44, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=1, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=1, var_67_arg_1=22, var_68=31, var_681=2, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=2, var_682=0, var_682_arg_0=1, var_682_arg_1=0, var_682_arg_2=2, var_684=1, var_684_arg_0=1, var_685=1, var_685_arg_0=0, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=1, var_687_arg_0=1, var_687_arg_1=0, var_688=0, var_688_arg_0=1, var_688_arg_1=0, var_688_arg_2=1, var_68_arg_0=0, var_68_arg_1=0, var_68_arg_2=31, var_690=0, var_690_arg_0=1, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=1, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=0, var_694_arg_0=1, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=1, var_696_arg_1=0, var_696_arg_2=1, var_697=0, var_697_arg_0=1, var_697_arg_1=0, var_697_arg_2=0, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=1, var_700_arg_1=0, var_700_arg_2=0, var_703=1, var_703_arg_0=1, var_703_arg_1=1, var_703_arg_2=0, var_704=0, var_704_arg_0=1, var_704_arg_1=0, var_704_arg_2=1, var_71=0, var_71_arg_0=0, var_72=0, var_72_arg_0=1, var_72_arg_1=0, var_73=31, var_73_arg_0=0, var_73_arg_1=0, var_73_arg_2=31, var_75=20, var_76=6, var_76_arg_0=6, var_77=0, var_77_arg_0=1, var_77_arg_1=6, var_78=31, var_78_arg_0=0, var_78_arg_1=31, var_78_arg_2=31, var_80=19, var_81=0, var_81_arg_0=0, var_82=0, var_82_arg_0=1, var_82_arg_1=0, var_83=31, var_83_arg_0=0, var_83_arg_1=31, var_83_arg_2=31, var_85=18, var_86=18, var_86_arg_0=18, var_87=0, var_87_arg_0=1, var_87_arg_1=18, var_88=31, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=31, var_90=17, var_91=0, var_91_arg_0=0, var_92=0, var_92_arg_0=1, var_92_arg_1=0, var_93=31, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=31, var_95=16, var_96=1, var_96_arg_0=1, var_97=1, var_97_arg_0=1, var_97_arg_1=1, var_98=30, var_98_arg_0=1, var_98_arg_1=30, var_98_arg_2=31] [L183] SORT_11 var_183_arg_0 = state_182; [L184] SORT_1 var_183 = var_183_arg_0 != 0; [L185] SORT_1 var_184_arg_0 = var_183; [L186] SORT_1 var_184 = ~var_184_arg_0; [L187] SORT_1 var_225_arg_0 = var_184; [L188] SORT_1 var_225 = ~var_225_arg_0; [L189] SORT_1 var_226_arg_0 = input_5; [L190] SORT_1 var_226 = ~var_226_arg_0; [L191] SORT_1 var_227_arg_0 = var_225; [L192] SORT_1 var_227_arg_1 = var_226; [L193] SORT_1 var_227 = var_227_arg_0 | var_227_arg_1; [L194] SORT_1 var_228_arg_0 = var_173; [L195] SORT_1 var_228 = ~var_228_arg_0; [L196] SORT_1 var_229_arg_0 = var_227; [L197] SORT_1 var_229_arg_1 = var_228; [L198] SORT_1 var_229 = var_229_arg_0 | var_229_arg_1; [L199] var_229 = var_229 & mask_SORT_1 [L200] SORT_1 constr_230_arg_0 = var_229; VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=5, input_231=1, input_4=9, input_5=34, input_6=2, input_7=1, input_8=38, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=2147483648, next_584_arg_1=0, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=0, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=0, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=0, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=0, state_191=0, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=1, var_103_arg_0=1, var_103_arg_1=1, var_104=30, var_104_arg_0=1, var_104_arg_1=30, var_104_arg_2=30, var_106=14, var_107=0, var_107_arg_0=0, var_108=0, var_108_arg_0=1, var_108_arg_1=0, var_109=30, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=30, var_111=13, var_112=1, var_112_arg_0=1, var_113=1, var_113_arg_0=1, var_113_arg_1=1, var_114=0, var_114_arg_0=1, var_114_arg_1=0, var_114_arg_2=30, var_116=12, var_117=0, var_117_arg_0=0, var_118=0, var_118_arg_0=1, var_118_arg_1=0, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=0, var_122_arg_0=0, var_123=0, var_123_arg_0=1, var_123_arg_1=0, var_124=0, var_124_arg_0=0, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=10, var_127_arg_0=10, var_128=0, var_128_arg_0=1, var_128_arg_1=10, var_129=0, var_129_arg_0=0, var_129_arg_1=29, var_129_arg_2=0, var_131=9, var_132=9, var_132_arg_0=9, var_133=0, var_133_arg_0=1, var_133_arg_1=9, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=0, var_137_arg_0=0, var_138=0, var_138_arg_0=1, var_138_arg_1=0, var_139=0, var_139_arg_0=0, var_139_arg_1=13, var_139_arg_2=0, var_14=1, var_142=7, var_143=7, var_143_arg_0=7, var_144=0, var_144_arg_0=1, var_144_arg_1=7, var_145=0, var_145_arg_0=0, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=255, var_148_arg_0=255, var_149=0, var_149_arg_0=1, var_149_arg_1=255, var_14_arg_0=1, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=1, var_154_arg_0=1, var_154_arg_1=1, var_155=0, var_155_arg_0=1, var_155_arg_1=0, var_155_arg_2=0, var_157=4, var_158=1, var_158_arg_0=1, var_159=1, var_159_arg_0=1, var_159_arg_1=1, var_16=0, var_160=50, var_160_arg_0=1, var_160_arg_1=50, var_160_arg_2=0, var_163=3, var_164=1, var_164_arg_0=1, var_165=1, var_165_arg_0=1, var_165_arg_1=1, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=50, var_168=2, var_169=0, var_169_arg_0=0, var_16_arg_0=1, var_16_arg_1=32, var_17=0, var_170=0, var_170_arg_0=1, var_170_arg_1=0, var_171=0, var_171_arg_0=0, var_171_arg_1=44, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=1, var_175_arg_0=1, var_175_arg_1=1, var_176=0, var_176_arg_0=1, var_176_arg_1=0, var_176_arg_2=0, var_178=1, var_178_arg_0=1, var_179=1, var_179_arg_0=1, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_180=2, var_180_arg_0=1, var_180_arg_1=2, var_180_arg_2=0, var_183=0, var_183_arg_0=0, var_184=3, var_184_arg_0=0, var_186=33, var_187=1, var_187_arg_0=1, var_188=0, var_188_arg_0=0, var_188_arg_1=1, var_192=254, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=254, var_195=1, var_195_arg_0=1, var_196=0, var_196_arg_0=0, var_196_arg_1=1, var_197=0, var_197_arg_0=0, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=1, var_200_arg_0=1, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=1, var_202_arg_0=1, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=1, var_204_arg_1=0, var_204_arg_2=1, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=1, var_208_arg_0=0, var_21=46, var_210=0, var_210_arg_0=0, var_210_arg_1=2, var_211=1, var_211_arg_0=1, var_211_arg_1=0, var_215=0, var_215_arg_0=1, var_215_arg_1=0, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=255, var_219=1, var_219_arg_0=0, var_21_arg_0=46, var_22=0, var_220=0, var_220_arg_0=2, var_221=1, var_221_arg_0=1, var_221_arg_1=0, var_222=255, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=255, var_225=1, var_225_arg_0=3, var_226=1, var_226_arg_0=34, var_227=1, var_227_arg_0=1, var_227_arg_1=1, var_228=0, var_228_arg_0=1, var_229=1, var_229_arg_0=1, var_229_arg_1=0, var_22_arg_0=1, var_22_arg_1=46, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=3, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=3, var_23_arg_0=0, var_23_arg_1=0, var_23_arg_2=0, var_241=1, var_241_arg_0=1, var_241_arg_1=0, var_242=1, var_242_arg_0=1, var_242_arg_1=1, var_25=30, var_26=1, var_26_arg_0=1, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_28=0, var_283=0, var_283_arg_0=0, var_284=0, var_284_arg_0=0, var_285=2, var_285_arg_0=0, var_286=0, var_286_arg_0=1, var_286_arg_1=2, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=0, var_291_arg_0=0, var_292=1, var_292_arg_0=0, var_292_arg_1=0, var_293=1, var_293_arg_0=1, var_293_arg_1=1, var_298=4, var_298_arg_0=4, var_299=0, var_299_arg_0=0, var_299_arg_1=4, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=255, var_305_arg_0=255, var_306=0, var_306_arg_0=0, var_306_arg_1=255, var_307=0, var_307_arg_0=1, var_307_arg_1=0, var_31=0, var_312=0, var_312_arg_0=0, var_313=1, var_313_arg_0=0, var_313_arg_1=0, var_314=1, var_314_arg_0=1, var_314_arg_1=1, var_319=40, var_319_arg_0=40, var_31_arg_0=0, var_32=0, var_320=0, var_320_arg_0=0, var_320_arg_1=40, var_321=0, var_321_arg_0=1, var_321_arg_1=0, var_326=13, var_326_arg_0=13, var_327=0, var_327_arg_0=0, var_327_arg_1=13, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=1, var_32_arg_1=0, var_33=0, var_333=255, var_333_arg_0=255, var_334=0, var_334_arg_0=0, var_334_arg_1=255, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_340=0, var_340_arg_0=0, var_341=1, var_341_arg_0=0, var_341_arg_1=0, var_342=1, var_342_arg_0=1, var_342_arg_1=1, var_347=2, var_347_arg_0=2, var_348=0, var_348_arg_0=0, var_348_arg_1=2, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=1, var_354_arg_0=1, var_355=0, var_355_arg_0=0, var_355_arg_1=1, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=1, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=0, var_368_arg_0=0, var_369=1, var_369_arg_0=0, var_369_arg_1=0, var_36_arg_0=1, var_37=1, var_370=1, var_370_arg_0=1, var_370_arg_1=1, var_375=5, var_375_arg_0=5, var_376=0, var_376_arg_0=0, var_376_arg_1=5, var_377=0, var_377_arg_0=1, var_377_arg_1=0, var_37_arg_0=1, var_37_arg_1=1, var_38=0, var_382=0, var_382_arg_0=0, var_383=1, var_383_arg_0=0, var_383_arg_1=0, var_384=1, var_384_arg_0=1, var_384_arg_1=1, var_389=38, var_389_arg_0=38, var_38_arg_0=1, var_38_arg_1=0, var_38_arg_2=0, var_390=0, var_390_arg_0=0, var_390_arg_1=38, var_391=0, var_391_arg_0=1, var_391_arg_1=0, var_396=1, var_396_arg_0=1, var_397=0, var_397_arg_0=0, var_397_arg_1=1, var_398=0, var_398_arg_0=1, var_398_arg_1=0, var_40=27, var_403=1, var_403_arg_0=1, var_404=0, var_404_arg_0=0, var_404_arg_1=1, var_405=0, var_405_arg_0=1, var_405_arg_1=0, var_41=27, var_410=0, var_410_arg_0=0, var_411=1, var_411_arg_0=0, var_411_arg_1=0, var_412=1, var_412_arg_0=1, var_412_arg_1=1, var_417=0, var_417_arg_0=0, var_418=1, var_418_arg_0=0, var_418_arg_1=0, var_419=1, var_419_arg_0=1, var_419_arg_1=1, var_41_arg_0=27, var_42=0, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=1, var_42_arg_1=27, var_43=0, var_431=0, var_431_arg_0=0, var_432=1, var_432_arg_0=0, var_432_arg_1=0, var_433=1, var_433_arg_0=1, var_433_arg_1=1, var_438=2, var_438_arg_0=2, var_439=0, var_439_arg_0=0, var_439_arg_1=2, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_440=0, var_440_arg_0=1, var_440_arg_1=0, var_445=1, var_445_arg_0=1, var_446=0, var_446_arg_0=0, var_446_arg_1=1, var_447=0, var_447_arg_0=1, var_447_arg_1=0, var_45=26, var_452=253, var_452_arg_0=253, var_453=0, var_453_arg_0=0, var_453_arg_1=253, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=1, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=1, var_465_arg_0=1, var_466=0, var_466_arg_0=0, var_466_arg_1=1, var_467=0, var_467_arg_0=1, var_467_arg_1=0, var_46_arg_0=1, var_47=1, var_472=48, var_472_arg_0=48, var_473=0, var_473_arg_0=0, var_473_arg_1=48, var_474=0, var_474_arg_0=1, var_474_arg_1=0, var_479=5, var_479_arg_0=5, var_47_arg_0=1, var_47_arg_1=1, var_48=0, var_480=0, var_480_arg_0=0, var_480_arg_1=5, var_481=0, var_481_arg_0=1, var_481_arg_1=0, var_486=0, var_486_arg_0=0, var_487=1, var_487_arg_0=0, var_487_arg_1=0, var_488=1, var_488_arg_0=1, var_488_arg_1=1, var_48_arg_0=1, var_48_arg_1=0, var_48_arg_2=0, var_493=44, var_493_arg_0=44, var_494=0, var_494_arg_0=0, var_494_arg_1=44, var_495=0, var_495_arg_0=1, var_495_arg_1=0, var_50=25, var_500=1, var_500_arg_0=1, var_501=0, var_501_arg_0=0, var_501_arg_1=1, var_502=0, var_502_arg_0=1, var_502_arg_1=0, var_507=255, var_507_arg_0=255, var_508=0, var_508_arg_0=0, var_508_arg_1=255, var_509=0, var_509_arg_0=1, var_509_arg_1=0, var_51=1, var_512=0, var_512_arg_0=0, var_513=1, var_513_arg_0=1, var_513_arg_1=0, var_518=1, var_518_arg_0=1, var_519=1, var_519_arg_0=0, var_519_arg_1=1, var_51_arg_0=1, var_52=1, var_52_arg_0=1, var_52_arg_1=1, var_53=0, var_538=0, var_538_arg_0=2, var_538_arg_1=1, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=1, var_53_arg_1=0, var_53_arg_2=0, var_542=1, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=1, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=36, var_562=1, var_562_arg_0=1, var_562_arg_1=0, var_563=1, var_563_arg_0=1, var_563_arg_1=1, var_564=1, var_564_arg_0=1, var_564_arg_1=0, var_56_arg_0=36, var_57=0, var_57_arg_0=1, var_57_arg_1=36, var_58=0, var_581=0, var_581_arg_0=0, var_581_arg_1=0, var_581_arg_2=0, var_582=0, var_583=0, var_583_arg_0=1, var_583_arg_1=0, var_583_arg_2=0, var_585=1, var_585_arg_0=1, var_585_arg_1=1, var_585_arg_2=1, var_586=0, var_586_arg_0=1, var_586_arg_1=0, var_586_arg_2=1, var_588=0, var_588_arg_0=0, var_588_arg_1=0, var_588_arg_2=0, var_589=0, var_589_arg_0=1, var_589_arg_1=0, var_589_arg_2=0, var_58_arg_0=0, var_58_arg_1=0, var_58_arg_2=0, var_591=0, var_591_arg_0=0, var_591_arg_1=0, var_591_arg_2=0, var_592=0, var_592_arg_0=1, var_592_arg_1=0, var_592_arg_2=0, var_594=0, var_594_arg_0=1, var_594_arg_1=0, var_594_arg_2=0, var_595=0, var_595_arg_0=1, var_595_arg_1=0, var_595_arg_2=0, var_597=0, var_597_arg_0=0, var_597_arg_1=0, var_597_arg_2=0, var_598=0, var_598_arg_0=1, var_598_arg_1=0, var_598_arg_2=0, var_60=23, var_600=0, var_600_arg_0=1, var_600_arg_1=0, var_600_arg_2=0, var_601=0, var_601_arg_0=1, var_601_arg_1=0, var_601_arg_2=0, var_603=0, var_603_arg_0=1, var_603_arg_1=0, var_603_arg_2=0, var_604=0, var_604_arg_0=1, var_604_arg_1=0, var_604_arg_2=0, var_606=0, var_606_arg_0=0, var_606_arg_1=0, var_606_arg_2=0, var_607=0, var_607_arg_0=1, var_607_arg_1=0, var_607_arg_2=0, var_609=0, var_609_arg_0=0, var_609_arg_1=0, var_609_arg_2=0, var_61=1, var_610=0, var_610_arg_0=1, var_610_arg_1=0, var_610_arg_2=0, var_612=31, var_612_arg_0=0, var_612_arg_1=0, var_612_arg_2=31, var_613=0, var_613_arg_0=1, var_613_arg_1=0, var_613_arg_2=31, var_615=0, var_615_arg_0=1, var_615_arg_1=0, var_615_arg_2=0, var_616=0, var_616_arg_0=1, var_616_arg_1=0, var_616_arg_2=0, var_618=0, var_618_arg_0=0, var_618_arg_1=0, var_618_arg_2=0, var_619=0, var_619_arg_0=1, var_619_arg_1=0, var_619_arg_2=0, var_61_arg_0=1, var_62=1, var_621=0, var_621_arg_0=1, var_621_arg_1=0, var_621_arg_2=31, var_622=0, var_622_arg_0=1, var_622_arg_1=0, var_622_arg_2=0, var_624=31, var_624_arg_0=0, var_624_arg_1=0, var_624_arg_2=31, var_625=0, var_625_arg_0=1, var_625_arg_1=0, var_625_arg_2=31, var_627=0, var_627_arg_0=0, var_627_arg_1=0, var_627_arg_2=0, var_628=0, var_628_arg_0=1, var_628_arg_1=0, var_628_arg_2=0, var_62_arg_0=1, var_62_arg_1=1, var_63=31, var_630=0, var_630_arg_0=1, var_630_arg_1=0, var_630_arg_2=0, var_631=0, var_631_arg_0=1, var_631_arg_1=0, var_631_arg_2=0, var_633=30, var_633_arg_0=0, var_633_arg_1=0, var_633_arg_2=30, var_634=0, var_634_arg_0=1, var_634_arg_1=0, var_634_arg_2=30, var_636=30, var_636_arg_0=0, var_636_arg_1=0, var_636_arg_2=30, var_637=0, var_637_arg_0=1, var_637_arg_1=0, var_637_arg_2=30, var_639=0, var_639_arg_0=0, var_639_arg_1=0, var_639_arg_2=0, var_63_arg_0=1, var_63_arg_1=31, var_63_arg_2=0, var_640=0, var_640_arg_0=1, var_640_arg_1=0, var_640_arg_2=0, var_642=0, var_642_arg_0=1, var_642_arg_1=0, var_642_arg_2=0, var_643=0, var_643_arg_0=1, var_643_arg_1=0, var_643_arg_2=0, var_645=0, var_645_arg_0=0, var_645_arg_1=0, var_645_arg_2=0, var_646=0, var_646_arg_0=1, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=0, var_648_arg_2=0, var_649=0, var_649_arg_0=1, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=1, var_651_arg_1=0, var_651_arg_2=29, var_652=0, var_652_arg_0=1, var_652_arg_1=0, var_652_arg_2=0, var_654=0, var_654_arg_0=0, var_654_arg_1=0, var_654_arg_2=0, var_655=0, var_655_arg_0=1, var_655_arg_1=0, var_655_arg_2=0, var_657=13, var_657_arg_0=0, var_657_arg_1=0, var_657_arg_2=13, var_658=0, var_658_arg_0=1, var_658_arg_1=0, var_658_arg_2=13, var_66=22, var_660=0, var_660_arg_0=0, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=1, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=1, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=1, var_664_arg_1=0, var_664_arg_2=0, var_666=0, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=0, var_667=0, var_667_arg_0=1, var_667_arg_1=0, var_667_arg_2=0, var_669=50, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=50, var_66_arg_0=22, var_67=0, var_670=0, var_670_arg_0=1, var_670_arg_1=0, var_670_arg_2=50, var_672=0, var_672_arg_0=0, var_672_arg_1=0, var_672_arg_2=0, var_673=0, var_673_arg_0=1, var_673_arg_1=0, var_673_arg_2=0, var_675=44, var_675_arg_0=0, var_675_arg_1=0, var_675_arg_2=44, var_676=0, var_676_arg_0=1, var_676_arg_1=0, var_676_arg_2=44, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=1, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=1, var_67_arg_1=22, var_68=31, var_681=2, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=2, var_682=0, var_682_arg_0=1, var_682_arg_1=0, var_682_arg_2=2, var_684=1, var_684_arg_0=1, var_685=1, var_685_arg_0=0, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=1, var_687_arg_0=1, var_687_arg_1=0, var_688=0, var_688_arg_0=1, var_688_arg_1=0, var_688_arg_2=1, var_68_arg_0=0, var_68_arg_1=0, var_68_arg_2=31, var_690=0, var_690_arg_0=1, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=1, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=0, var_694_arg_0=1, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=1, var_696_arg_1=0, var_696_arg_2=1, var_697=0, var_697_arg_0=1, var_697_arg_1=0, var_697_arg_2=0, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=1, var_700_arg_1=0, var_700_arg_2=0, var_703=1, var_703_arg_0=1, var_703_arg_1=1, var_703_arg_2=0, var_704=0, var_704_arg_0=1, var_704_arg_1=0, var_704_arg_2=1, var_71=0, var_71_arg_0=0, var_72=0, var_72_arg_0=1, var_72_arg_1=0, var_73=31, var_73_arg_0=0, var_73_arg_1=0, var_73_arg_2=31, var_75=20, var_76=6, var_76_arg_0=6, var_77=0, var_77_arg_0=1, var_77_arg_1=6, var_78=31, var_78_arg_0=0, var_78_arg_1=31, var_78_arg_2=31, var_80=19, var_81=0, var_81_arg_0=0, var_82=0, var_82_arg_0=1, var_82_arg_1=0, var_83=31, var_83_arg_0=0, var_83_arg_1=31, var_83_arg_2=31, var_85=18, var_86=18, var_86_arg_0=18, var_87=0, var_87_arg_0=1, var_87_arg_1=18, var_88=31, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=31, var_90=17, var_91=0, var_91_arg_0=0, var_92=0, var_92_arg_0=1, var_92_arg_1=0, var_93=31, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=31, var_95=16, var_96=1, var_96_arg_0=1, var_97=1, var_97_arg_0=1, var_97_arg_1=1, var_98=30, var_98_arg_0=1, var_98_arg_1=30, var_98_arg_2=31] [L201] CALL assume_abort_if_not(constr_230_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L201] RET assume_abort_if_not(constr_230_arg_0) VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=5, input_231=1, input_4=9, input_5=34, input_6=2, input_7=1, input_8=38, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=2147483648, next_584_arg_1=0, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=0, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=0, next_692_arg_1=0, next_695_arg_1=0, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=0, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=0, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=0, state_191=0, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=1, var_103_arg_0=1, var_103_arg_1=1, var_104=30, var_104_arg_0=1, var_104_arg_1=30, var_104_arg_2=30, var_106=14, var_107=0, var_107_arg_0=0, var_108=0, var_108_arg_0=1, var_108_arg_1=0, var_109=30, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=30, var_111=13, var_112=1, var_112_arg_0=1, var_113=1, var_113_arg_0=1, var_113_arg_1=1, var_114=0, var_114_arg_0=1, var_114_arg_1=0, var_114_arg_2=30, var_116=12, var_117=0, var_117_arg_0=0, var_118=0, var_118_arg_0=1, var_118_arg_1=0, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=0, var_122_arg_0=0, var_123=0, var_123_arg_0=1, var_123_arg_1=0, var_124=0, var_124_arg_0=0, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=10, var_127_arg_0=10, var_128=0, var_128_arg_0=1, var_128_arg_1=10, var_129=0, var_129_arg_0=0, var_129_arg_1=29, var_129_arg_2=0, var_131=9, var_132=9, var_132_arg_0=9, var_133=0, var_133_arg_0=1, var_133_arg_1=9, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=0, var_137_arg_0=0, var_138=0, var_138_arg_0=1, var_138_arg_1=0, var_139=0, var_139_arg_0=0, var_139_arg_1=13, var_139_arg_2=0, var_14=1, var_142=7, var_143=7, var_143_arg_0=7, var_144=0, var_144_arg_0=1, var_144_arg_1=7, var_145=0, var_145_arg_0=0, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=255, var_148_arg_0=255, var_149=0, var_149_arg_0=1, var_149_arg_1=255, var_14_arg_0=1, var_15=32, var_150=0, var_150_arg_0=0, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=1, var_154_arg_0=1, var_154_arg_1=1, var_155=0, var_155_arg_0=1, var_155_arg_1=0, var_155_arg_2=0, var_157=4, var_158=1, var_158_arg_0=1, var_159=1, var_159_arg_0=1, var_159_arg_1=1, var_16=0, var_160=50, var_160_arg_0=1, var_160_arg_1=50, var_160_arg_2=0, var_163=3, var_164=1, var_164_arg_0=1, var_165=1, var_165_arg_0=1, var_165_arg_1=1, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=50, var_168=2, var_169=0, var_169_arg_0=0, var_16_arg_0=1, var_16_arg_1=32, var_17=0, var_170=0, var_170_arg_0=1, var_170_arg_1=0, var_171=0, var_171_arg_0=0, var_171_arg_1=44, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=1, var_175_arg_0=1, var_175_arg_1=1, var_176=0, var_176_arg_0=1, var_176_arg_1=0, var_176_arg_2=0, var_178=1, var_178_arg_0=1, var_179=1, var_179_arg_0=1, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_180=2, var_180_arg_0=1, var_180_arg_1=2, var_180_arg_2=0, var_183=0, var_183_arg_0=0, var_184=3, var_184_arg_0=0, var_186=33, var_187=1, var_187_arg_0=1, var_188=0, var_188_arg_0=0, var_188_arg_1=1, var_192=254, var_192_arg_0=1, var_193=0, var_193_arg_0=0, var_193_arg_1=254, var_195=1, var_195_arg_0=1, var_196=0, var_196_arg_0=0, var_196_arg_1=1, var_197=0, var_197_arg_0=0, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=1, var_200_arg_0=1, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=1, var_202_arg_0=1, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=1, var_204_arg_1=0, var_204_arg_2=1, var_205=0, var_205_arg_0=0, var_206=0, var_206_arg_0=0, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=1, var_208_arg_0=0, var_21=46, var_210=0, var_210_arg_0=0, var_210_arg_1=2, var_211=1, var_211_arg_0=1, var_211_arg_1=0, var_215=0, var_215_arg_0=1, var_215_arg_1=0, var_216=255, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=255, var_219=1, var_219_arg_0=0, var_21_arg_0=46, var_22=0, var_220=0, var_220_arg_0=2, var_221=1, var_221_arg_0=1, var_221_arg_1=0, var_222=255, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=255, var_225=1, var_225_arg_0=3, var_226=1, var_226_arg_0=34, var_227=1, var_227_arg_0=1, var_227_arg_1=1, var_228=0, var_228_arg_0=1, var_229=1, var_229_arg_0=1, var_229_arg_1=0, var_22_arg_0=1, var_22_arg_1=46, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=3, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=3, var_23_arg_0=0, var_23_arg_1=0, var_23_arg_2=0, var_241=1, var_241_arg_0=1, var_241_arg_1=0, var_242=1, var_242_arg_0=1, var_242_arg_1=1, var_25=30, var_26=1, var_26_arg_0=1, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_28=0, var_283=0, var_283_arg_0=0, var_284=0, var_284_arg_0=0, var_285=2, var_285_arg_0=0, var_286=0, var_286_arg_0=1, var_286_arg_1=2, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=0, var_291_arg_0=0, var_292=1, var_292_arg_0=0, var_292_arg_1=0, var_293=1, var_293_arg_0=1, var_293_arg_1=1, var_298=4, var_298_arg_0=4, var_299=0, var_299_arg_0=0, var_299_arg_1=4, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=255, var_305_arg_0=255, var_306=0, var_306_arg_0=0, var_306_arg_1=255, var_307=0, var_307_arg_0=1, var_307_arg_1=0, var_31=0, var_312=0, var_312_arg_0=0, var_313=1, var_313_arg_0=0, var_313_arg_1=0, var_314=1, var_314_arg_0=1, var_314_arg_1=1, var_319=40, var_319_arg_0=40, var_31_arg_0=0, var_32=0, var_320=0, var_320_arg_0=0, var_320_arg_1=40, var_321=0, var_321_arg_0=1, var_321_arg_1=0, var_326=13, var_326_arg_0=13, var_327=0, var_327_arg_0=0, var_327_arg_1=13, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=1, var_32_arg_1=0, var_33=0, var_333=255, var_333_arg_0=255, var_334=0, var_334_arg_0=0, var_334_arg_1=255, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_340=0, var_340_arg_0=0, var_341=1, var_341_arg_0=0, var_341_arg_1=0, var_342=1, var_342_arg_0=1, var_342_arg_1=1, var_347=2, var_347_arg_0=2, var_348=0, var_348_arg_0=0, var_348_arg_1=2, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=1, var_354_arg_0=1, var_355=0, var_355_arg_0=0, var_355_arg_1=1, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=1, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=0, var_368_arg_0=0, var_369=1, var_369_arg_0=0, var_369_arg_1=0, var_36_arg_0=1, var_37=1, var_370=1, var_370_arg_0=1, var_370_arg_1=1, var_375=5, var_375_arg_0=5, var_376=0, var_376_arg_0=0, var_376_arg_1=5, var_377=0, var_377_arg_0=1, var_377_arg_1=0, var_37_arg_0=1, var_37_arg_1=1, var_38=0, var_382=0, var_382_arg_0=0, var_383=1, var_383_arg_0=0, var_383_arg_1=0, var_384=1, var_384_arg_0=1, var_384_arg_1=1, var_389=38, var_389_arg_0=38, var_38_arg_0=1, var_38_arg_1=0, var_38_arg_2=0, var_390=0, var_390_arg_0=0, var_390_arg_1=38, var_391=0, var_391_arg_0=1, var_391_arg_1=0, var_396=1, var_396_arg_0=1, var_397=0, var_397_arg_0=0, var_397_arg_1=1, var_398=0, var_398_arg_0=1, var_398_arg_1=0, var_40=27, var_403=1, var_403_arg_0=1, var_404=0, var_404_arg_0=0, var_404_arg_1=1, var_405=0, var_405_arg_0=1, var_405_arg_1=0, var_41=27, var_410=0, var_410_arg_0=0, var_411=1, var_411_arg_0=0, var_411_arg_1=0, var_412=1, var_412_arg_0=1, var_412_arg_1=1, var_417=0, var_417_arg_0=0, var_418=1, var_418_arg_0=0, var_418_arg_1=0, var_419=1, var_419_arg_0=1, var_419_arg_1=1, var_41_arg_0=27, var_42=0, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=1, var_42_arg_1=27, var_43=0, var_431=0, var_431_arg_0=0, var_432=1, var_432_arg_0=0, var_432_arg_1=0, var_433=1, var_433_arg_0=1, var_433_arg_1=1, var_438=2, var_438_arg_0=2, var_439=0, var_439_arg_0=0, var_439_arg_1=2, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_440=0, var_440_arg_0=1, var_440_arg_1=0, var_445=1, var_445_arg_0=1, var_446=0, var_446_arg_0=0, var_446_arg_1=1, var_447=0, var_447_arg_0=1, var_447_arg_1=0, var_45=26, var_452=253, var_452_arg_0=253, var_453=0, var_453_arg_0=0, var_453_arg_1=253, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=1, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=1, var_465_arg_0=1, var_466=0, var_466_arg_0=0, var_466_arg_1=1, var_467=0, var_467_arg_0=1, var_467_arg_1=0, var_46_arg_0=1, var_47=1, var_472=48, var_472_arg_0=48, var_473=0, var_473_arg_0=0, var_473_arg_1=48, var_474=0, var_474_arg_0=1, var_474_arg_1=0, var_479=5, var_479_arg_0=5, var_47_arg_0=1, var_47_arg_1=1, var_48=0, var_480=0, var_480_arg_0=0, var_480_arg_1=5, var_481=0, var_481_arg_0=1, var_481_arg_1=0, var_486=0, var_486_arg_0=0, var_487=1, var_487_arg_0=0, var_487_arg_1=0, var_488=1, var_488_arg_0=1, var_488_arg_1=1, var_48_arg_0=1, var_48_arg_1=0, var_48_arg_2=0, var_493=44, var_493_arg_0=44, var_494=0, var_494_arg_0=0, var_494_arg_1=44, var_495=0, var_495_arg_0=1, var_495_arg_1=0, var_50=25, var_500=1, var_500_arg_0=1, var_501=0, var_501_arg_0=0, var_501_arg_1=1, var_502=0, var_502_arg_0=1, var_502_arg_1=0, var_507=255, var_507_arg_0=255, var_508=0, var_508_arg_0=0, var_508_arg_1=255, var_509=0, var_509_arg_0=1, var_509_arg_1=0, var_51=1, var_512=0, var_512_arg_0=0, var_513=1, var_513_arg_0=1, var_513_arg_1=0, var_518=1, var_518_arg_0=1, var_519=1, var_519_arg_0=0, var_519_arg_1=1, var_51_arg_0=1, var_52=1, var_52_arg_0=1, var_52_arg_1=1, var_53=0, var_538=0, var_538_arg_0=2, var_538_arg_1=1, var_539=0, var_539_arg_0=0, var_539_arg_1=0, var_53_arg_0=1, var_53_arg_1=0, var_53_arg_2=0, var_542=1, var_542_arg_0=0, var_547=0, var_547_arg_0=0, var_547_arg_1=1, var_55=24, var_550=1, var_550_arg_0=0, var_550_arg_1=1, var_56=36, var_562=1, var_562_arg_0=1, var_562_arg_1=0, var_563=1, var_563_arg_0=1, var_563_arg_1=1, var_564=1, var_564_arg_0=1, var_564_arg_1=0, var_56_arg_0=36, var_57=0, var_57_arg_0=1, var_57_arg_1=36, var_58=0, var_581=0, var_581_arg_0=0, var_581_arg_1=0, var_581_arg_2=0, var_582=0, var_583=0, var_583_arg_0=1, var_583_arg_1=0, var_583_arg_2=0, var_585=1, var_585_arg_0=1, var_585_arg_1=1, var_585_arg_2=1, var_586=0, var_586_arg_0=1, var_586_arg_1=0, var_586_arg_2=1, var_588=0, var_588_arg_0=0, var_588_arg_1=0, var_588_arg_2=0, var_589=0, var_589_arg_0=1, var_589_arg_1=0, var_589_arg_2=0, var_58_arg_0=0, var_58_arg_1=0, var_58_arg_2=0, var_591=0, var_591_arg_0=0, var_591_arg_1=0, var_591_arg_2=0, var_592=0, var_592_arg_0=1, var_592_arg_1=0, var_592_arg_2=0, var_594=0, var_594_arg_0=1, var_594_arg_1=0, var_594_arg_2=0, var_595=0, var_595_arg_0=1, var_595_arg_1=0, var_595_arg_2=0, var_597=0, var_597_arg_0=0, var_597_arg_1=0, var_597_arg_2=0, var_598=0, var_598_arg_0=1, var_598_arg_1=0, var_598_arg_2=0, var_60=23, var_600=0, var_600_arg_0=1, var_600_arg_1=0, var_600_arg_2=0, var_601=0, var_601_arg_0=1, var_601_arg_1=0, var_601_arg_2=0, var_603=0, var_603_arg_0=1, var_603_arg_1=0, var_603_arg_2=0, var_604=0, var_604_arg_0=1, var_604_arg_1=0, var_604_arg_2=0, var_606=0, var_606_arg_0=0, var_606_arg_1=0, var_606_arg_2=0, var_607=0, var_607_arg_0=1, var_607_arg_1=0, var_607_arg_2=0, var_609=0, var_609_arg_0=0, var_609_arg_1=0, var_609_arg_2=0, var_61=1, var_610=0, var_610_arg_0=1, var_610_arg_1=0, var_610_arg_2=0, var_612=31, var_612_arg_0=0, var_612_arg_1=0, var_612_arg_2=31, var_613=0, var_613_arg_0=1, var_613_arg_1=0, var_613_arg_2=31, var_615=0, var_615_arg_0=1, var_615_arg_1=0, var_615_arg_2=0, var_616=0, var_616_arg_0=1, var_616_arg_1=0, var_616_arg_2=0, var_618=0, var_618_arg_0=0, var_618_arg_1=0, var_618_arg_2=0, var_619=0, var_619_arg_0=1, var_619_arg_1=0, var_619_arg_2=0, var_61_arg_0=1, var_62=1, var_621=0, var_621_arg_0=1, var_621_arg_1=0, var_621_arg_2=31, var_622=0, var_622_arg_0=1, var_622_arg_1=0, var_622_arg_2=0, var_624=31, var_624_arg_0=0, var_624_arg_1=0, var_624_arg_2=31, var_625=0, var_625_arg_0=1, var_625_arg_1=0, var_625_arg_2=31, var_627=0, var_627_arg_0=0, var_627_arg_1=0, var_627_arg_2=0, var_628=0, var_628_arg_0=1, var_628_arg_1=0, var_628_arg_2=0, var_62_arg_0=1, var_62_arg_1=1, var_63=31, var_630=0, var_630_arg_0=1, var_630_arg_1=0, var_630_arg_2=0, var_631=0, var_631_arg_0=1, var_631_arg_1=0, var_631_arg_2=0, var_633=30, var_633_arg_0=0, var_633_arg_1=0, var_633_arg_2=30, var_634=0, var_634_arg_0=1, var_634_arg_1=0, var_634_arg_2=30, var_636=30, var_636_arg_0=0, var_636_arg_1=0, var_636_arg_2=30, var_637=0, var_637_arg_0=1, var_637_arg_1=0, var_637_arg_2=30, var_639=0, var_639_arg_0=0, var_639_arg_1=0, var_639_arg_2=0, var_63_arg_0=1, var_63_arg_1=31, var_63_arg_2=0, var_640=0, var_640_arg_0=1, var_640_arg_1=0, var_640_arg_2=0, var_642=0, var_642_arg_0=1, var_642_arg_1=0, var_642_arg_2=0, var_643=0, var_643_arg_0=1, var_643_arg_1=0, var_643_arg_2=0, var_645=0, var_645_arg_0=0, var_645_arg_1=0, var_645_arg_2=0, var_646=0, var_646_arg_0=1, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=0, var_648_arg_2=0, var_649=0, var_649_arg_0=1, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=1, var_651_arg_1=0, var_651_arg_2=29, var_652=0, var_652_arg_0=1, var_652_arg_1=0, var_652_arg_2=0, var_654=0, var_654_arg_0=0, var_654_arg_1=0, var_654_arg_2=0, var_655=0, var_655_arg_0=1, var_655_arg_1=0, var_655_arg_2=0, var_657=13, var_657_arg_0=0, var_657_arg_1=0, var_657_arg_2=13, var_658=0, var_658_arg_0=1, var_658_arg_1=0, var_658_arg_2=13, var_66=22, var_660=0, var_660_arg_0=0, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=1, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=1, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=1, var_664_arg_1=0, var_664_arg_2=0, var_666=0, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=0, var_667=0, var_667_arg_0=1, var_667_arg_1=0, var_667_arg_2=0, var_669=50, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=50, var_66_arg_0=22, var_67=0, var_670=0, var_670_arg_0=1, var_670_arg_1=0, var_670_arg_2=50, var_672=0, var_672_arg_0=0, var_672_arg_1=0, var_672_arg_2=0, var_673=0, var_673_arg_0=1, var_673_arg_1=0, var_673_arg_2=0, var_675=44, var_675_arg_0=0, var_675_arg_1=0, var_675_arg_2=44, var_676=0, var_676_arg_0=1, var_676_arg_1=0, var_676_arg_2=44, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=1, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=1, var_67_arg_1=22, var_68=31, var_681=2, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=2, var_682=0, var_682_arg_0=1, var_682_arg_1=0, var_682_arg_2=2, var_684=1, var_684_arg_0=1, var_685=1, var_685_arg_0=0, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=1, var_687_arg_0=1, var_687_arg_1=0, var_688=0, var_688_arg_0=1, var_688_arg_1=0, var_688_arg_2=1, var_68_arg_0=0, var_68_arg_1=0, var_68_arg_2=31, var_690=0, var_690_arg_0=1, var_690_arg_1=0, var_690_arg_2=0, var_691=0, var_691_arg_0=1, var_691_arg_1=0, var_691_arg_2=0, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=0, var_694_arg_0=1, var_694_arg_1=0, var_694_arg_2=1, var_696=0, var_696_arg_0=1, var_696_arg_1=0, var_696_arg_2=1, var_697=0, var_697_arg_0=1, var_697_arg_1=0, var_697_arg_2=0, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=1, var_700_arg_1=0, var_700_arg_2=0, var_703=1, var_703_arg_0=1, var_703_arg_1=1, var_703_arg_2=0, var_704=0, var_704_arg_0=1, var_704_arg_1=0, var_704_arg_2=1, var_71=0, var_71_arg_0=0, var_72=0, var_72_arg_0=1, var_72_arg_1=0, var_73=31, var_73_arg_0=0, var_73_arg_1=0, var_73_arg_2=31, var_75=20, var_76=6, var_76_arg_0=6, var_77=0, var_77_arg_0=1, var_77_arg_1=6, var_78=31, var_78_arg_0=0, var_78_arg_1=31, var_78_arg_2=31, var_80=19, var_81=0, var_81_arg_0=0, var_82=0, var_82_arg_0=1, var_82_arg_1=0, var_83=31, var_83_arg_0=0, var_83_arg_1=31, var_83_arg_2=31, var_85=18, var_86=18, var_86_arg_0=18, var_87=0, var_87_arg_0=1, var_87_arg_1=18, var_88=31, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=31, var_90=17, var_91=0, var_91_arg_0=0, var_92=0, var_92_arg_0=1, var_92_arg_1=0, var_93=31, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=31, var_95=16, var_96=1, var_96_arg_0=1, var_97=1, var_97_arg_0=1, var_97_arg_1=1, var_98=30, var_98_arg_0=1, var_98_arg_1=30, var_98_arg_2=31] [L203] SORT_1 var_234_arg_0 = state_213; [L204] SORT_1 var_234_arg_1 = var_233; [L205] SORT_1 var_234_arg_2 = var_173; [L206] EXPR var_234_arg_0 ? var_234_arg_1 : var_234_arg_2 [L206] SORT_1 var_234 = var_234_arg_0 ? var_234_arg_1 : var_234_arg_2; [L207] SORT_1 var_192_arg_0 = state_191; [L208] SORT_1 var_192 = ~var_192_arg_0; [L209] SORT_1 var_193_arg_0 = state_190; [L210] SORT_1 var_193_arg_1 = var_192; [L211] SORT_1 var_193 = var_193_arg_0 & var_193_arg_1; [L212] SORT_11 var_195_arg_0 = state_194; [L213] SORT_1 var_195 = var_195_arg_0 != 0; [L214] SORT_1 var_196_arg_0 = var_193; [L215] SORT_1 var_196_arg_1 = var_195; [L216] SORT_1 var_196 = var_196_arg_0 & var_196_arg_1; [L217] SORT_1 var_197_arg_0 = state_190; [L218] SORT_1 var_197 = ~var_197_arg_0; [L219] SORT_1 var_198_arg_0 = input_6; [L220] SORT_1 var_198_arg_1 = var_197; [L221] SORT_1 var_198 = var_198_arg_0 & var_198_arg_1; [L222] SORT_1 var_199_arg_0 = var_198; [L223] var_199_arg_0 = var_199_arg_0 & mask_SORT_1 [L224] SORT_11 var_199 = var_199_arg_0; [L225] SORT_11 var_200_arg_0 = state_194; [L226] SORT_11 var_200_arg_1 = var_199; [L227] SORT_11 var_200 = var_200_arg_0 + var_200_arg_1; [L228] SORT_1 var_201_arg_0 = input_5; [L229] var_201_arg_0 = var_201_arg_0 & mask_SORT_1 [L230] SORT_11 var_201 = var_201_arg_0; [L231] SORT_11 var_202_arg_0 = var_200; [L232] SORT_11 var_202_arg_1 = var_201; [L233] SORT_11 var_202 = var_202_arg_0 - var_202_arg_1; [L234] SORT_1 var_204_arg_0 = input_7; [L235] SORT_11 var_204_arg_1 = var_203; [L236] SORT_11 var_204_arg_2 = var_202; [L237] EXPR var_204_arg_0 ? var_204_arg_1 : var_204_arg_2 [L237] SORT_11 var_204 = var_204_arg_0 ? var_204_arg_1 : var_204_arg_2; [L238] var_204 = var_204 & mask_SORT_11 [L239] SORT_11 var_205_arg_0 = var_204; [L240] SORT_1 var_205 = var_205_arg_0 != 0; [L241] SORT_1 var_206_arg_0 = var_205; [L242] SORT_1 var_206 = ~var_206_arg_0; [L243] SORT_1 var_207_arg_0 = var_196; [L244] SORT_1 var_207_arg_1 = var_206; [L245] SORT_1 var_207 = var_207_arg_0 & var_207_arg_1; [L246] SORT_1 var_208_arg_0 = var_207; [L247] SORT_1 var_208 = ~var_208_arg_0; [L248] SORT_11 var_14_arg_0 = state_12; [L249] SORT_13 var_14 = var_14_arg_0 >> 0; [L250] var_14 = var_14 & mask_SORT_13 [L251] SORT_13 var_178_arg_0 = var_14; [L252] SORT_1 var_178 = var_178_arg_0 != 0; [L253] SORT_1 var_179_arg_0 = var_178; [L254] SORT_1 var_179 = ~var_179_arg_0; [L255] var_179 = var_179 & mask_SORT_1 [L256] SORT_1 var_174_arg_0 = var_173; [L257] var_174_arg_0 = var_174_arg_0 & mask_SORT_1 [L258] SORT_13 var_174 = var_174_arg_0; [L259] SORT_13 var_175_arg_0 = var_14; [L260] SORT_13 var_175_arg_1 = var_174; [L261] SORT_1 var_175 = var_175_arg_0 == var_175_arg_1; [L262] SORT_162 var_169_arg_0 = var_168; [L263] var_169_arg_0 = var_169_arg_0 & mask_SORT_162 [L264] SORT_13 var_169 = var_169_arg_0; [L265] SORT_13 var_170_arg_0 = var_14; [L266] SORT_13 var_170_arg_1 = var_169; [L267] SORT_1 var_170 = var_170_arg_0 == var_170_arg_1; [L268] SORT_162 var_164_arg_0 = var_163; [L269] var_164_arg_0 = var_164_arg_0 & mask_SORT_162 [L270] SORT_13 var_164 = var_164_arg_0; [L271] SORT_13 var_165_arg_0 = var_14; [L272] SORT_13 var_165_arg_1 = var_164; [L273] SORT_1 var_165 = var_165_arg_0 == var_165_arg_1; [L274] SORT_141 var_158_arg_0 = var_157; [L275] var_158_arg_0 = var_158_arg_0 & mask_SORT_141 [L276] SORT_13 var_158 = var_158_arg_0; [L277] SORT_13 var_159_arg_0 = var_14; [L278] SORT_13 var_159_arg_1 = var_158; [L279] SORT_1 var_159 = var_159_arg_0 == var_159_arg_1; [L280] SORT_141 var_153_arg_0 = var_152; [L281] var_153_arg_0 = var_153_arg_0 & mask_SORT_141 [L282] SORT_13 var_153 = var_153_arg_0; [L283] SORT_13 var_154_arg_0 = var_14; [L284] SORT_13 var_154_arg_1 = var_153; [L285] SORT_1 var_154 = var_154_arg_0 == var_154_arg_1; [L286] SORT_141 var_148_arg_0 = var_147; [L287] var_148_arg_0 = var_148_arg_0 & mask_SORT_141 [L288] SORT_13 var_148 = var_148_arg_0; [L289] SORT_13 var_149_arg_0 = var_14; [L290] SORT_13 var_149_arg_1 = var_148; [L291] SORT_1 var_149 = var_149_arg_0 == var_149_arg_1; [L292] SORT_141 var_143_arg_0 = var_142; [L293] var_143_arg_0 = var_143_arg_0 & mask_SORT_141 [L294] SORT_13 var_143 = var_143_arg_0; [L295] SORT_13 var_144_arg_0 = var_14; [L296] SORT_13 var_144_arg_1 = var_143; [L297] SORT_1 var_144 = var_144_arg_0 == var_144_arg_1; [L298] SORT_100 var_137_arg_0 = var_136; [L299] var_137_arg_0 = var_137_arg_0 & mask_SORT_100 [L300] SORT_13 var_137 = var_137_arg_0; [L301] SORT_13 var_138_arg_0 = var_14; [L302] SORT_13 var_138_arg_1 = var_137; [L303] SORT_1 var_138 = var_138_arg_0 == var_138_arg_1; [L304] SORT_100 var_132_arg_0 = var_131; [L305] var_132_arg_0 = var_132_arg_0 & mask_SORT_100 [L306] SORT_13 var_132 = var_132_arg_0; [L307] SORT_13 var_133_arg_0 = var_14; [L308] SORT_13 var_133_arg_1 = var_132; [L309] SORT_1 var_133 = var_133_arg_0 == var_133_arg_1; [L310] SORT_100 var_127_arg_0 = var_126; [L311] var_127_arg_0 = var_127_arg_0 & mask_SORT_100 [L312] SORT_13 var_127 = var_127_arg_0; [L313] SORT_13 var_128_arg_0 = var_14; [L314] SORT_13 var_128_arg_1 = var_127; [L315] SORT_1 var_128 = var_128_arg_0 == var_128_arg_1; [L316] SORT_100 var_122_arg_0 = var_121; [L317] var_122_arg_0 = var_122_arg_0 & mask_SORT_100 [L318] SORT_13 var_122 = var_122_arg_0; [L319] SORT_13 var_123_arg_0 = var_14; [L320] SORT_13 var_123_arg_1 = var_122; [L321] SORT_1 var_123 = var_123_arg_0 == var_123_arg_1; [L322] SORT_100 var_117_arg_0 = var_116; [L323] var_117_arg_0 = var_117_arg_0 & mask_SORT_100 [L324] SORT_13 var_117 = var_117_arg_0; [L325] SORT_13 var_118_arg_0 = var_14; [L326] SORT_13 var_118_arg_1 = var_117; [L327] SORT_1 var_118 = var_118_arg_0 == var_118_arg_1; [L328] SORT_100 var_112_arg_0 = var_111; [L329] var_112_arg_0 = var_112_arg_0 & mask_SORT_100 [L330] SORT_13 var_112 = var_112_arg_0; [L331] SORT_13 var_113_arg_0 = var_14; [L332] SORT_13 var_113_arg_1 = var_112; [L333] SORT_1 var_113 = var_113_arg_0 == var_113_arg_1; [L334] SORT_100 var_107_arg_0 = var_106; [L335] var_107_arg_0 = var_107_arg_0 & mask_SORT_100 [L336] SORT_13 var_107 = var_107_arg_0; [L337] SORT_13 var_108_arg_0 = var_14; [L338] SORT_13 var_108_arg_1 = var_107; [L339] SORT_1 var_108 = var_108_arg_0 == var_108_arg_1; [L340] SORT_100 var_102_arg_0 = var_101; [L341] var_102_arg_0 = var_102_arg_0 & mask_SORT_100 [L342] SORT_13 var_102 = var_102_arg_0; [L343] SORT_13 var_103_arg_0 = var_14; [L344] SORT_13 var_103_arg_1 = var_102; [L345] SORT_1 var_103 = var_103_arg_0 == var_103_arg_1; [L346] SORT_19 var_96_arg_0 = var_95; [L347] var_96_arg_0 = var_96_arg_0 & mask_SORT_19 [L348] SORT_13 var_96 = var_96_arg_0; [L349] SORT_13 var_97_arg_0 = var_14; [L350] SORT_13 var_97_arg_1 = var_96; [L351] SORT_1 var_97 = var_97_arg_0 == var_97_arg_1; [L352] SORT_19 var_91_arg_0 = var_90; [L353] var_91_arg_0 = var_91_arg_0 & mask_SORT_19 [L354] SORT_13 var_91 = var_91_arg_0; [L355] SORT_13 var_92_arg_0 = var_14; [L356] SORT_13 var_92_arg_1 = var_91; [L357] SORT_1 var_92 = var_92_arg_0 == var_92_arg_1; [L358] SORT_19 var_86_arg_0 = var_85; [L359] var_86_arg_0 = var_86_arg_0 & mask_SORT_19 [L360] SORT_13 var_86 = var_86_arg_0; [L361] SORT_13 var_87_arg_0 = var_14; [L362] SORT_13 var_87_arg_1 = var_86; [L363] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L364] SORT_19 var_81_arg_0 = var_80; [L365] var_81_arg_0 = var_81_arg_0 & mask_SORT_19 [L366] SORT_13 var_81 = var_81_arg_0; [L367] SORT_13 var_82_arg_0 = var_14; [L368] SORT_13 var_82_arg_1 = var_81; [L369] SORT_1 var_82 = var_82_arg_0 == var_82_arg_1; [L370] SORT_19 var_76_arg_0 = var_75; [L371] var_76_arg_0 = var_76_arg_0 & mask_SORT_19 [L372] SORT_13 var_76 = var_76_arg_0; [L373] SORT_13 var_77_arg_0 = var_14; [L374] SORT_13 var_77_arg_1 = var_76; [L375] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L376] SORT_19 var_71_arg_0 = var_70; [L377] var_71_arg_0 = var_71_arg_0 & mask_SORT_19 [L378] SORT_13 var_71 = var_71_arg_0; [L379] SORT_13 var_72_arg_0 = var_14; [L380] SORT_13 var_72_arg_1 = var_71; [L381] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L382] SORT_19 var_66_arg_0 = var_65; [L383] var_66_arg_0 = var_66_arg_0 & mask_SORT_19 [L384] SORT_13 var_66 = var_66_arg_0; [L385] SORT_13 var_67_arg_0 = var_14; [L386] SORT_13 var_67_arg_1 = var_66; [L387] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L388] SORT_19 var_61_arg_0 = var_60; [L389] var_61_arg_0 = var_61_arg_0 & mask_SORT_19 [L390] SORT_13 var_61 = var_61_arg_0; [L391] SORT_13 var_62_arg_0 = var_14; [L392] SORT_13 var_62_arg_1 = var_61; [L393] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L394] SORT_19 var_56_arg_0 = var_55; [L395] var_56_arg_0 = var_56_arg_0 & mask_SORT_19 [L396] SORT_13 var_56 = var_56_arg_0; [L397] SORT_13 var_57_arg_0 = var_14; [L398] SORT_13 var_57_arg_1 = var_56; [L399] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L400] SORT_19 var_51_arg_0 = var_50; [L401] var_51_arg_0 = var_51_arg_0 & mask_SORT_19 [L402] SORT_13 var_51 = var_51_arg_0; [L403] SORT_13 var_52_arg_0 = var_14; [L404] SORT_13 var_52_arg_1 = var_51; [L405] SORT_1 var_52 = var_52_arg_0 == var_52_arg_1; [L406] SORT_19 var_46_arg_0 = var_45; [L407] var_46_arg_0 = var_46_arg_0 & mask_SORT_19 [L408] SORT_13 var_46 = var_46_arg_0; [L409] SORT_13 var_47_arg_0 = var_14; [L410] SORT_13 var_47_arg_1 = var_46; [L411] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L412] SORT_19 var_41_arg_0 = var_40; [L413] var_41_arg_0 = var_41_arg_0 & mask_SORT_19 [L414] SORT_13 var_41 = var_41_arg_0; [L415] SORT_13 var_42_arg_0 = var_14; [L416] SORT_13 var_42_arg_1 = var_41; [L417] SORT_1 var_42 = var_42_arg_0 == var_42_arg_1; [L418] SORT_19 var_36_arg_0 = var_35; [L419] var_36_arg_0 = var_36_arg_0 & mask_SORT_19 [L420] SORT_13 var_36 = var_36_arg_0; [L421] SORT_13 var_37_arg_0 = var_14; [L422] SORT_13 var_37_arg_1 = var_36; [L423] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L424] SORT_19 var_31_arg_0 = var_30; [L425] var_31_arg_0 = var_31_arg_0 & mask_SORT_19 [L426] SORT_13 var_31 = var_31_arg_0; [L427] SORT_13 var_32_arg_0 = var_14; [L428] SORT_13 var_32_arg_1 = var_31; [L429] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L430] SORT_19 var_26_arg_0 = var_25; [L431] var_26_arg_0 = var_26_arg_0 & mask_SORT_19 [L432] SORT_13 var_26 = var_26_arg_0; [L433] SORT_13 var_27_arg_0 = var_14; [L434] SORT_13 var_27_arg_1 = var_26; [L435] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L436] SORT_19 var_21_arg_0 = var_20; [L437] var_21_arg_0 = var_21_arg_0 & mask_SORT_19 [L438] SORT_13 var_21 = var_21_arg_0; [L439] SORT_13 var_22_arg_0 = var_14; [L440] SORT_13 var_22_arg_1 = var_21; [L441] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L442] SORT_13 var_16_arg_0 = var_14; [L443] SORT_13 var_16_arg_1 = var_15; [L444] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L445] SORT_1 var_17_arg_0 = var_16; [L446] SORT_3 var_17_arg_1 = state_10; [L447] SORT_3 var_17_arg_2 = input_9; [L448] EXPR var_17_arg_0 ? var_17_arg_1 : var_17_arg_2 [L448] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L449] SORT_1 var_23_arg_0 = var_22; [L450] SORT_3 var_23_arg_1 = state_18; [L451] SORT_3 var_23_arg_2 = var_17; [L452] EXPR var_23_arg_0 ? var_23_arg_1 : var_23_arg_2 [L452] SORT_3 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L453] SORT_1 var_28_arg_0 = var_27; [L454] SORT_3 var_28_arg_1 = state_24; [L455] SORT_3 var_28_arg_2 = var_23; [L456] EXPR var_28_arg_0 ? var_28_arg_1 : var_28_arg_2 [L456] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L457] SORT_1 var_33_arg_0 = var_32; [L458] SORT_3 var_33_arg_1 = state_29; [L459] SORT_3 var_33_arg_2 = var_28; [L460] EXPR var_33_arg_0 ? var_33_arg_1 : var_33_arg_2 [L460] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L461] SORT_1 var_38_arg_0 = var_37; [L462] SORT_3 var_38_arg_1 = state_34; [L463] SORT_3 var_38_arg_2 = var_33; [L464] EXPR var_38_arg_0 ? var_38_arg_1 : var_38_arg_2 [L464] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L465] SORT_1 var_43_arg_0 = var_42; [L466] SORT_3 var_43_arg_1 = state_39; [L467] SORT_3 var_43_arg_2 = var_38; [L468] EXPR var_43_arg_0 ? var_43_arg_1 : var_43_arg_2 [L468] SORT_3 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L469] SORT_1 var_48_arg_0 = var_47; [L470] SORT_3 var_48_arg_1 = state_44; [L471] SORT_3 var_48_arg_2 = var_43; [L472] EXPR var_48_arg_0 ? var_48_arg_1 : var_48_arg_2 [L472] SORT_3 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L473] SORT_1 var_53_arg_0 = var_52; [L474] SORT_3 var_53_arg_1 = state_49; [L475] SORT_3 var_53_arg_2 = var_48; [L476] EXPR var_53_arg_0 ? var_53_arg_1 : var_53_arg_2 [L476] SORT_3 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L477] SORT_1 var_58_arg_0 = var_57; [L478] SORT_3 var_58_arg_1 = state_54; [L479] SORT_3 var_58_arg_2 = var_53; [L480] EXPR var_58_arg_0 ? var_58_arg_1 : var_58_arg_2 [L480] SORT_3 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L481] SORT_1 var_63_arg_0 = var_62; [L482] SORT_3 var_63_arg_1 = state_59; [L483] SORT_3 var_63_arg_2 = var_58; [L484] EXPR var_63_arg_0 ? var_63_arg_1 : var_63_arg_2 [L484] SORT_3 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L485] SORT_1 var_68_arg_0 = var_67; [L486] SORT_3 var_68_arg_1 = state_64; [L487] SORT_3 var_68_arg_2 = var_63; [L488] EXPR var_68_arg_0 ? var_68_arg_1 : var_68_arg_2 [L488] SORT_3 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L489] SORT_1 var_73_arg_0 = var_72; [L490] SORT_3 var_73_arg_1 = state_69; [L491] SORT_3 var_73_arg_2 = var_68; [L492] EXPR var_73_arg_0 ? var_73_arg_1 : var_73_arg_2 [L492] SORT_3 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L493] SORT_1 var_78_arg_0 = var_77; [L494] SORT_3 var_78_arg_1 = state_74; [L495] SORT_3 var_78_arg_2 = var_73; [L496] EXPR var_78_arg_0 ? var_78_arg_1 : var_78_arg_2 [L496] SORT_3 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L497] SORT_1 var_83_arg_0 = var_82; [L498] SORT_3 var_83_arg_1 = state_79; [L499] SORT_3 var_83_arg_2 = var_78; [L500] EXPR var_83_arg_0 ? var_83_arg_1 : var_83_arg_2 [L500] SORT_3 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L501] SORT_1 var_88_arg_0 = var_87; [L502] SORT_3 var_88_arg_1 = state_84; [L503] SORT_3 var_88_arg_2 = var_83; [L504] EXPR var_88_arg_0 ? var_88_arg_1 : var_88_arg_2 [L504] SORT_3 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L505] SORT_1 var_93_arg_0 = var_92; [L506] SORT_3 var_93_arg_1 = state_89; [L507] SORT_3 var_93_arg_2 = var_88; [L508] EXPR var_93_arg_0 ? var_93_arg_1 : var_93_arg_2 [L508] SORT_3 var_93 = var_93_arg_0 ? var_93_arg_1 : var_93_arg_2; [L509] SORT_1 var_98_arg_0 = var_97; [L510] SORT_3 var_98_arg_1 = state_94; [L511] SORT_3 var_98_arg_2 = var_93; [L512] EXPR var_98_arg_0 ? var_98_arg_1 : var_98_arg_2 [L512] SORT_3 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L513] SORT_1 var_104_arg_0 = var_103; [L514] SORT_3 var_104_arg_1 = state_99; [L515] SORT_3 var_104_arg_2 = var_98; [L516] EXPR var_104_arg_0 ? var_104_arg_1 : var_104_arg_2 [L516] SORT_3 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L517] SORT_1 var_109_arg_0 = var_108; [L518] SORT_3 var_109_arg_1 = state_105; [L519] SORT_3 var_109_arg_2 = var_104; [L520] EXPR var_109_arg_0 ? var_109_arg_1 : var_109_arg_2 [L520] SORT_3 var_109 = var_109_arg_0 ? var_109_arg_1 : var_109_arg_2; [L521] SORT_1 var_114_arg_0 = var_113; [L522] SORT_3 var_114_arg_1 = state_110; [L523] SORT_3 var_114_arg_2 = var_109; [L524] EXPR var_114_arg_0 ? var_114_arg_1 : var_114_arg_2 [L524] SORT_3 var_114 = var_114_arg_0 ? var_114_arg_1 : var_114_arg_2; [L525] SORT_1 var_119_arg_0 = var_118; [L526] SORT_3 var_119_arg_1 = state_115; [L527] SORT_3 var_119_arg_2 = var_114; [L528] EXPR var_119_arg_0 ? var_119_arg_1 : var_119_arg_2 [L528] SORT_3 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L529] SORT_1 var_124_arg_0 = var_123; [L530] SORT_3 var_124_arg_1 = state_120; [L531] SORT_3 var_124_arg_2 = var_119; [L532] EXPR var_124_arg_0 ? var_124_arg_1 : var_124_arg_2 [L532] SORT_3 var_124 = var_124_arg_0 ? var_124_arg_1 : var_124_arg_2; [L533] SORT_1 var_129_arg_0 = var_128; [L534] SORT_3 var_129_arg_1 = state_125; [L535] SORT_3 var_129_arg_2 = var_124; [L536] EXPR var_129_arg_0 ? var_129_arg_1 : var_129_arg_2 [L536] SORT_3 var_129 = var_129_arg_0 ? var_129_arg_1 : var_129_arg_2; [L537] SORT_1 var_134_arg_0 = var_133; [L538] SORT_3 var_134_arg_1 = state_130; [L539] SORT_3 var_134_arg_2 = var_129; [L540] EXPR var_134_arg_0 ? var_134_arg_1 : var_134_arg_2 [L540] SORT_3 var_134 = var_134_arg_0 ? var_134_arg_1 : var_134_arg_2; [L541] SORT_1 var_139_arg_0 = var_138; [L542] SORT_3 var_139_arg_1 = state_135; [L543] SORT_3 var_139_arg_2 = var_134; [L544] EXPR var_139_arg_0 ? var_139_arg_1 : var_139_arg_2 [L544] SORT_3 var_139 = var_139_arg_0 ? var_139_arg_1 : var_139_arg_2; [L545] SORT_1 var_145_arg_0 = var_144; [L546] SORT_3 var_145_arg_1 = state_140; [L547] SORT_3 var_145_arg_2 = var_139; [L548] EXPR var_145_arg_0 ? var_145_arg_1 : var_145_arg_2 [L548] SORT_3 var_145 = var_145_arg_0 ? var_145_arg_1 : var_145_arg_2; [L549] SORT_1 var_150_arg_0 = var_149; [L550] SORT_3 var_150_arg_1 = state_146; [L551] SORT_3 var_150_arg_2 = var_145; [L552] EXPR var_150_arg_0 ? var_150_arg_1 : var_150_arg_2 [L552] SORT_3 var_150 = var_150_arg_0 ? var_150_arg_1 : var_150_arg_2; [L553] SORT_1 var_155_arg_0 = var_154; [L554] SORT_3 var_155_arg_1 = state_151; [L555] SORT_3 var_155_arg_2 = var_150; [L556] EXPR var_155_arg_0 ? var_155_arg_1 : var_155_arg_2 [L556] SORT_3 var_155 = var_155_arg_0 ? var_155_arg_1 : var_155_arg_2; [L557] SORT_1 var_160_arg_0 = var_159; [L558] SORT_3 var_160_arg_1 = state_156; [L559] SORT_3 var_160_arg_2 = var_155; [L560] EXPR var_160_arg_0 ? var_160_arg_1 : var_160_arg_2 [L560] SORT_3 var_160 = var_160_arg_0 ? var_160_arg_1 : var_160_arg_2; [L561] SORT_1 var_166_arg_0 = var_165; [L562] SORT_3 var_166_arg_1 = state_161; [L563] SORT_3 var_166_arg_2 = var_160; [L564] EXPR var_166_arg_0 ? var_166_arg_1 : var_166_arg_2 [L564] SORT_3 var_166 = var_166_arg_0 ? var_166_arg_1 : var_166_arg_2; [L565] SORT_1 var_171_arg_0 = var_170; [L566] SORT_3 var_171_arg_1 = state_167; [L567] SORT_3 var_171_arg_2 = var_166; [L568] EXPR var_171_arg_0 ? var_171_arg_1 : var_171_arg_2 [L568] SORT_3 var_171 = var_171_arg_0 ? var_171_arg_1 : var_171_arg_2; [L569] SORT_1 var_176_arg_0 = var_175; [L570] SORT_3 var_176_arg_1 = state_172; [L571] SORT_3 var_176_arg_2 = var_171; [L572] EXPR var_176_arg_0 ? var_176_arg_1 : var_176_arg_2 [L572] SORT_3 var_176 = var_176_arg_0 ? var_176_arg_1 : var_176_arg_2; [L573] SORT_1 var_180_arg_0 = var_179; [L574] SORT_3 var_180_arg_1 = state_177; [L575] SORT_3 var_180_arg_2 = var_176; [L576] EXPR var_180_arg_0 ? var_180_arg_1 : var_180_arg_2 [L576] SORT_3 var_180 = var_180_arg_0 ? var_180_arg_1 : var_180_arg_2; [L577] var_180 = var_180 & mask_SORT_3 [L578] SORT_3 var_210_arg_0 = state_209; [L579] SORT_3 var_210_arg_1 = var_180; [L580] SORT_1 var_210 = var_210_arg_0 == var_210_arg_1; [L581] SORT_1 var_211_arg_0 = var_208; [L582] SORT_1 var_211_arg_1 = var_210; [L583] SORT_1 var_211 = var_211_arg_0 | var_211_arg_1; [L584] SORT_1 var_232_arg_0 = state_213; [L585] SORT_1 var_232_arg_1 = input_231; [L586] SORT_1 var_232_arg_2 = var_211; [L587] EXPR var_232_arg_0 ? var_232_arg_1 : var_232_arg_2 [L587] SORT_1 var_232 = var_232_arg_0 ? var_232_arg_1 : var_232_arg_2; [L588] SORT_1 var_235_arg_0 = var_232; [L589] SORT_1 var_235 = ~var_235_arg_0; [L590] SORT_1 var_236_arg_0 = var_234; [L591] SORT_1 var_236_arg_1 = var_235; [L592] SORT_1 var_236 = var_236_arg_0 & var_236_arg_1; [L593] var_236 = var_236 & mask_SORT_1 [L594] SORT_1 bad_237_arg_0 = var_236; [L595] CALL __VERIFIER_assert(!(bad_237_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 86.7s, OverallIterations: 2, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 13 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=1, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 39.5s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-03 03:34:23,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d32_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 71ffe29b6ff0f9c0975b759395362584ec1034a26c38f54b1c93cc429007ce76 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:34:26,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:34:26,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:34:26,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:34:26,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:34:26,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:34:26,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:34:26,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:34:26,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:34:26,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:34:26,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:34:26,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:34:26,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:34:26,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:34:26,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:34:26,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:34:26,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:34:26,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:34:26,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:34:26,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:34:26,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:34:26,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:34:26,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:34:26,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:34:26,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:34:26,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:34:26,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:34:26,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:34:26,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:34:26,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:34:26,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:34:26,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:34:26,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:34:26,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:34:26,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:34:26,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:34:26,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:34:26,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:34:26,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:34:26,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:34:26,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:34:26,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 03:34:26,476 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:34:26,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:34:26,477 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:34:26,477 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:34:26,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:34:26,478 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:34:26,478 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:34:26,479 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:34:26,479 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:34:26,479 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:34:26,479 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:34:26,479 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:34:26,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:34:26,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:34:26,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:34:26,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:34:26,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:34:26,481 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 03:34:26,482 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 03:34:26,482 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 03:34:26,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:34:26,482 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:34:26,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:34:26,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:34:26,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 03:34:26,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:34:26,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:34:26,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:34:26,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:34:26,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:34:26,484 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 03:34:26,485 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 03:34:26,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:34:26,485 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:34:26,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 03:34:26,486 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71ffe29b6ff0f9c0975b759395362584ec1034a26c38f54b1c93cc429007ce76 [2022-11-03 03:34:26,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:34:26,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:34:26,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:34:26,901 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:34:26,902 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:34:26,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d32_e0.c [2022-11-03 03:34:26,970 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/data/b022115b0/5fc5c0610b444761b33ace5f79a348f1/FLAG401a79a10 [2022-11-03 03:34:27,701 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:34:27,702 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d32_e0.c [2022-11-03 03:34:27,714 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/data/b022115b0/5fc5c0610b444761b33ace5f79a348f1/FLAG401a79a10 [2022-11-03 03:34:27,915 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/data/b022115b0/5fc5c0610b444761b33ace5f79a348f1 [2022-11-03 03:34:27,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:34:27,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:34:27,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:34:27,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:34:27,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:34:27,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:34:27" (1/1) ... [2022-11-03 03:34:27,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b37c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:27, skipping insertion in model container [2022-11-03 03:34:27,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:34:27" (1/1) ... [2022-11-03 03:34:27,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:34:28,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:34:28,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d32_e0.c[1116,1129] [2022-11-03 03:34:28,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:34:28,654 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:34:28,682 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d32_e0.c[1116,1129] [2022-11-03 03:34:28,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:34:28,835 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:34:28,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:28 WrapperNode [2022-11-03 03:34:28,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:34:28,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:34:28,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:34:28,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:34:28,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:28" (1/1) ... [2022-11-03 03:34:28,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:28" (1/1) ... [2022-11-03 03:34:28,998 INFO L138 Inliner]: procedures = 11, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1864 [2022-11-03 03:34:28,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:34:28,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:34:28,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:34:29,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:34:29,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:28" (1/1) ... [2022-11-03 03:34:29,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:28" (1/1) ... [2022-11-03 03:34:29,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:28" (1/1) ... [2022-11-03 03:34:29,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:28" (1/1) ... [2022-11-03 03:34:29,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:28" (1/1) ... [2022-11-03 03:34:29,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:28" (1/1) ... [2022-11-03 03:34:29,072 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:28" (1/1) ... [2022-11-03 03:34:29,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:28" (1/1) ... [2022-11-03 03:34:29,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:34:29,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:34:29,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:34:29,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:34:29,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:28" (1/1) ... [2022-11-03 03:34:29,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:34:29,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:34:29,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:34:29,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:34:29,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:34:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:34:29,223 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:34:29,223 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:34:29,721 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:34:29,723 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:34:31,096 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:34:31,110 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:34:31,110 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:34:31,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:34:31 BoogieIcfgContainer [2022-11-03 03:34:31,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:34:31,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:34:31,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:34:31,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:34:31,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:34:27" (1/3) ... [2022-11-03 03:34:31,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@584e6916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:34:31, skipping insertion in model container [2022-11-03 03:34:31,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:28" (2/3) ... [2022-11-03 03:34:31,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@584e6916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:34:31, skipping insertion in model container [2022-11-03 03:34:31,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:34:31" (3/3) ... [2022-11-03 03:34:31,126 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w32_d32_e0.c [2022-11-03 03:34:31,144 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:34:31,145 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:34:31,207 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:34:31,214 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@502d25ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:34:31,214 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:34:31,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 251 states, 245 states have (on average 1.489795918367347) internal successors, (365), 246 states have internal predecessors, (365), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:31,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:31,230 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:31,231 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:31,231 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:31,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:31,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1491409808, now seen corresponding path program 1 times [2022-11-03 03:34:31,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:31,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068009500] [2022-11-03 03:34:31,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:31,253 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:31,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:31,257 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:31,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 03:34:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:31,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-03 03:34:31,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:31,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 03:34:31,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:31,937 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:31,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2068009500] [2022-11-03 03:34:31,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2068009500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:31,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:31,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:34:31,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440861196] [2022-11-03 03:34:31,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:31,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 03:34:31,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:31,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 03:34:31,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:34:31,976 INFO L87 Difference]: Start difference. First operand has 251 states, 245 states have (on average 1.489795918367347) internal successors, (365), 246 states have internal predecessors, (365), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 03:34:32,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:32,018 INFO L93 Difference]: Finished difference Result 496 states and 740 transitions. [2022-11-03 03:34:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 03:34:32,024 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 95 [2022-11-03 03:34:32,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:32,040 INFO L225 Difference]: With dead ends: 496 [2022-11-03 03:34:32,041 INFO L226 Difference]: Without dead ends: 247 [2022-11-03 03:34:32,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:34:32,053 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:32,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:34:32,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-11-03 03:34:32,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2022-11-03 03:34:32,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 242 states have (on average 1.4793388429752066) internal successors, (358), 242 states have internal predecessors, (358), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:32,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 364 transitions. [2022-11-03 03:34:32,136 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 364 transitions. Word has length 95 [2022-11-03 03:34:32,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:32,138 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 364 transitions. [2022-11-03 03:34:32,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 03:34:32,138 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 364 transitions. [2022-11-03 03:34:32,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:32,144 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:32,145 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:32,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:32,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:32,358 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:32,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:32,359 INFO L85 PathProgramCache]: Analyzing trace with hash -654443862, now seen corresponding path program 1 times [2022-11-03 03:34:32,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:32,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [677988149] [2022-11-03 03:34:32,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:32,361 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:32,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:32,362 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:32,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 03:34:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:33,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:33,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:33,373 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:33,373 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:33,374 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:33,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [677988149] [2022-11-03 03:34:33,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [677988149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:33,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:33,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:33,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74306677] [2022-11-03 03:34:33,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:33,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:33,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:33,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:33,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:33,386 INFO L87 Difference]: Start difference. First operand 247 states and 364 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:33,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:33,936 INFO L93 Difference]: Finished difference Result 984 states and 1457 transitions. [2022-11-03 03:34:33,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:33,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:33,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:33,940 INFO L225 Difference]: With dead ends: 984 [2022-11-03 03:34:33,941 INFO L226 Difference]: Without dead ends: 739 [2022-11-03 03:34:33,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:33,945 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 2418 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 1463 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:33,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2418 Valid, 1463 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:34:33,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2022-11-03 03:34:33,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 249. [2022-11-03 03:34:33,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 244 states have (on average 1.4754098360655739) internal successors, (360), 244 states have internal predecessors, (360), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:33,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 366 transitions. [2022-11-03 03:34:33,983 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 366 transitions. Word has length 95 [2022-11-03 03:34:33,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:33,990 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 366 transitions. [2022-11-03 03:34:33,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:33,990 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 366 transitions. [2022-11-03 03:34:33,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:33,996 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:33,996 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:34,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:34,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:34,213 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:34,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:34,214 INFO L85 PathProgramCache]: Analyzing trace with hash 299496296, now seen corresponding path program 1 times [2022-11-03 03:34:34,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:34,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341145146] [2022-11-03 03:34:34,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:34,215 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:34,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:34,219 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:34,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 03:34:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:34,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:34,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:34,996 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:34,997 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:34,997 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:34,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1341145146] [2022-11-03 03:34:35,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1341145146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:35,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:35,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:35,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655875260] [2022-11-03 03:34:35,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:35,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:35,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:35,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:35,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:35,007 INFO L87 Difference]: Start difference. First operand 249 states and 366 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:35,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:35,456 INFO L93 Difference]: Finished difference Result 990 states and 1463 transitions. [2022-11-03 03:34:35,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:35,457 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:35,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:35,459 INFO L225 Difference]: With dead ends: 990 [2022-11-03 03:34:35,459 INFO L226 Difference]: Without dead ends: 743 [2022-11-03 03:34:35,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:35,461 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 2416 mSDsluCounter, 1077 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2416 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:35,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2416 Valid, 1458 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:34:35,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2022-11-03 03:34:35,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 253. [2022-11-03 03:34:35,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 248 states have (on average 1.471774193548387) internal successors, (365), 248 states have internal predecessors, (365), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:35,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 371 transitions. [2022-11-03 03:34:35,489 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 371 transitions. Word has length 95 [2022-11-03 03:34:35,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:35,490 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 371 transitions. [2022-11-03 03:34:35,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:35,491 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 371 transitions. [2022-11-03 03:34:35,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:35,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:35,497 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:35,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:35,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:35,715 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:35,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:35,715 INFO L85 PathProgramCache]: Analyzing trace with hash 245103398, now seen corresponding path program 1 times [2022-11-03 03:34:35,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:35,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572158722] [2022-11-03 03:34:35,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:35,717 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:35,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:35,718 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:35,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 03:34:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:36,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:36,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:36,456 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:36,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:36,456 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:36,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572158722] [2022-11-03 03:34:36,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [572158722] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:36,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:36,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:36,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198373509] [2022-11-03 03:34:36,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:36,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:36,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:36,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:36,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:36,460 INFO L87 Difference]: Start difference. First operand 253 states and 371 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:36,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:36,924 INFO L93 Difference]: Finished difference Result 996 states and 1469 transitions. [2022-11-03 03:34:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:36,925 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:36,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:36,928 INFO L225 Difference]: With dead ends: 996 [2022-11-03 03:34:36,928 INFO L226 Difference]: Without dead ends: 745 [2022-11-03 03:34:36,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:36,930 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 2417 mSDsluCounter, 1077 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2417 SdHoareTripleChecker+Valid, 1453 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:36,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2417 Valid, 1453 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:34:36,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2022-11-03 03:34:36,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 255. [2022-11-03 03:34:36,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 250 states have (on average 1.468) internal successors, (367), 250 states have internal predecessors, (367), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:36,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 373 transitions. [2022-11-03 03:34:36,945 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 373 transitions. Word has length 95 [2022-11-03 03:34:36,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:36,946 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 373 transitions. [2022-11-03 03:34:36,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:36,947 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 373 transitions. [2022-11-03 03:34:36,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:36,948 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:36,948 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:36,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:37,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:37,171 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:37,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:37,172 INFO L85 PathProgramCache]: Analyzing trace with hash 924375652, now seen corresponding path program 1 times [2022-11-03 03:34:37,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:37,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1878480507] [2022-11-03 03:34:37,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:37,173 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:37,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:37,174 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:37,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 03:34:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:37,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:37,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:37,902 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:37,902 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:37,903 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:37,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1878480507] [2022-11-03 03:34:37,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1878480507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:37,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:37,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:37,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072524795] [2022-11-03 03:34:37,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:37,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:37,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:37,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:37,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:37,907 INFO L87 Difference]: Start difference. First operand 255 states and 373 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:38,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:38,352 INFO L93 Difference]: Finished difference Result 1000 states and 1472 transitions. [2022-11-03 03:34:38,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:38,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:38,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:38,355 INFO L225 Difference]: With dead ends: 1000 [2022-11-03 03:34:38,355 INFO L226 Difference]: Without dead ends: 747 [2022-11-03 03:34:38,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:38,356 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 2405 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2405 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:38,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2405 Valid, 1458 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:34:38,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2022-11-03 03:34:38,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 257. [2022-11-03 03:34:38,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 252 states have (on average 1.4642857142857142) internal successors, (369), 252 states have internal predecessors, (369), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:38,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 375 transitions. [2022-11-03 03:34:38,371 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 375 transitions. Word has length 95 [2022-11-03 03:34:38,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:38,371 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 375 transitions. [2022-11-03 03:34:38,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:38,372 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 375 transitions. [2022-11-03 03:34:38,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:38,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:38,373 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:38,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:38,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:38,590 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:38,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:38,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1126199586, now seen corresponding path program 1 times [2022-11-03 03:34:38,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:38,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [35579533] [2022-11-03 03:34:38,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:38,591 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:38,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:38,592 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:38,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 03:34:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:39,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:39,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:39,250 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:39,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:39,262 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:39,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [35579533] [2022-11-03 03:34:39,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [35579533] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:39,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:39,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:39,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299741986] [2022-11-03 03:34:39,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:39,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:39,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:39,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:39,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:39,264 INFO L87 Difference]: Start difference. First operand 257 states and 375 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:39,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:39,587 INFO L93 Difference]: Finished difference Result 1004 states and 1475 transitions. [2022-11-03 03:34:39,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:39,588 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:39,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:39,591 INFO L225 Difference]: With dead ends: 1004 [2022-11-03 03:34:39,591 INFO L226 Difference]: Without dead ends: 749 [2022-11-03 03:34:39,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:39,593 INFO L413 NwaCegarLoop]: 397 mSDtfsCounter, 2405 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2405 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:39,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2405 Valid, 1520 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:39,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2022-11-03 03:34:39,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 259. [2022-11-03 03:34:39,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 254 states have (on average 1.4606299212598426) internal successors, (371), 254 states have internal predecessors, (371), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:39,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 377 transitions. [2022-11-03 03:34:39,608 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 377 transitions. Word has length 95 [2022-11-03 03:34:39,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:39,609 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 377 transitions. [2022-11-03 03:34:39,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:39,609 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 377 transitions. [2022-11-03 03:34:39,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:39,610 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:39,611 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:39,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:39,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:39,827 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:39,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:39,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1559928672, now seen corresponding path program 1 times [2022-11-03 03:34:39,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:39,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1853793708] [2022-11-03 03:34:39,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:39,829 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:39,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:39,830 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:39,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-03 03:34:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:40,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:40,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:40,511 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:40,512 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:40,512 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:40,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1853793708] [2022-11-03 03:34:40,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1853793708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:40,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:40,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:40,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233494069] [2022-11-03 03:34:40,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:40,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:40,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:40,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:40,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:40,515 INFO L87 Difference]: Start difference. First operand 259 states and 377 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:40,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:40,925 INFO L93 Difference]: Finished difference Result 1008 states and 1478 transitions. [2022-11-03 03:34:40,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:40,926 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:40,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:40,928 INFO L225 Difference]: With dead ends: 1008 [2022-11-03 03:34:40,929 INFO L226 Difference]: Without dead ends: 751 [2022-11-03 03:34:40,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:40,930 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 2406 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2406 SdHoareTripleChecker+Valid, 1451 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:40,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2406 Valid, 1451 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:40,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2022-11-03 03:34:40,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 261. [2022-11-03 03:34:40,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.45703125) internal successors, (373), 256 states have internal predecessors, (373), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:40,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 379 transitions. [2022-11-03 03:34:40,947 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 379 transitions. Word has length 95 [2022-11-03 03:34:40,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:40,947 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 379 transitions. [2022-11-03 03:34:40,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:40,947 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 379 transitions. [2022-11-03 03:34:40,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:40,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:40,949 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:40,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:41,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:41,175 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:41,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:41,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1600603422, now seen corresponding path program 1 times [2022-11-03 03:34:41,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:41,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [999912753] [2022-11-03 03:34:41,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:41,176 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:41,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:41,177 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:41,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-03 03:34:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:41,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:41,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:41,830 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:41,831 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:41,831 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:41,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [999912753] [2022-11-03 03:34:41,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [999912753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:41,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:41,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:41,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475750829] [2022-11-03 03:34:41,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:41,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:41,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:41,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:41,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:41,833 INFO L87 Difference]: Start difference. First operand 261 states and 379 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:42,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:42,251 INFO L93 Difference]: Finished difference Result 1012 states and 1481 transitions. [2022-11-03 03:34:42,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:42,252 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:42,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:42,255 INFO L225 Difference]: With dead ends: 1012 [2022-11-03 03:34:42,255 INFO L226 Difference]: Without dead ends: 753 [2022-11-03 03:34:42,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:42,257 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 2400 mSDsluCounter, 1069 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2400 SdHoareTripleChecker+Valid, 1455 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:42,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2400 Valid, 1455 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:42,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2022-11-03 03:34:42,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 263. [2022-11-03 03:34:42,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 258 states have (on average 1.4534883720930232) internal successors, (375), 258 states have internal predecessors, (375), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:42,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 381 transitions. [2022-11-03 03:34:42,273 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 381 transitions. Word has length 95 [2022-11-03 03:34:42,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:42,274 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 381 transitions. [2022-11-03 03:34:42,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:42,274 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 381 transitions. [2022-11-03 03:34:42,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:42,275 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:42,275 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:42,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-11-03 03:34:42,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:42,494 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:42,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:42,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1818344868, now seen corresponding path program 1 times [2022-11-03 03:34:42,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:42,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819871904] [2022-11-03 03:34:42,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:42,496 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:42,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:42,499 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:42,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-03 03:34:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:42,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:42,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:43,168 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:43,168 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:43,168 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:43,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1819871904] [2022-11-03 03:34:43,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1819871904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:43,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:43,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:43,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530903375] [2022-11-03 03:34:43,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:43,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:43,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:43,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:43,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:43,171 INFO L87 Difference]: Start difference. First operand 263 states and 381 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:43,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:43,469 INFO L93 Difference]: Finished difference Result 1016 states and 1484 transitions. [2022-11-03 03:34:43,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:43,470 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:43,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:43,472 INFO L225 Difference]: With dead ends: 1016 [2022-11-03 03:34:43,472 INFO L226 Difference]: Without dead ends: 755 [2022-11-03 03:34:43,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:43,474 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 2387 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2387 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:43,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2387 Valid, 1530 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:34:43,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2022-11-03 03:34:43,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 265. [2022-11-03 03:34:43,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 260 states have (on average 1.45) internal successors, (377), 260 states have internal predecessors, (377), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:43,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 383 transitions. [2022-11-03 03:34:43,511 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 383 transitions. Word has length 95 [2022-11-03 03:34:43,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:43,511 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 383 transitions. [2022-11-03 03:34:43,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:43,512 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 383 transitions. [2022-11-03 03:34:43,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:43,513 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:43,513 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:43,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:43,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:43,729 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:43,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:43,730 INFO L85 PathProgramCache]: Analyzing trace with hash -280004838, now seen corresponding path program 1 times [2022-11-03 03:34:43,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:43,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [411338752] [2022-11-03 03:34:43,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:43,731 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:43,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:43,732 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:43,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-03 03:34:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:44,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:44,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:44,392 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:44,392 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:44,392 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:44,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [411338752] [2022-11-03 03:34:44,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [411338752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:44,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:44,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:44,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180576309] [2022-11-03 03:34:44,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:44,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:44,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:44,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:44,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:44,395 INFO L87 Difference]: Start difference. First operand 265 states and 383 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:44,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:44,842 INFO L93 Difference]: Finished difference Result 1020 states and 1487 transitions. [2022-11-03 03:34:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:44,843 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:44,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:44,845 INFO L225 Difference]: With dead ends: 1020 [2022-11-03 03:34:44,845 INFO L226 Difference]: Without dead ends: 757 [2022-11-03 03:34:44,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:44,847 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 2370 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2370 SdHoareTripleChecker+Valid, 1478 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:44,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2370 Valid, 1478 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:34:44,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2022-11-03 03:34:44,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 267. [2022-11-03 03:34:44,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 262 states have (on average 1.4465648854961832) internal successors, (379), 262 states have internal predecessors, (379), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:44,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 385 transitions. [2022-11-03 03:34:44,864 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 385 transitions. Word has length 95 [2022-11-03 03:34:44,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:44,865 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 385 transitions. [2022-11-03 03:34:44,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:44,866 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 385 transitions. [2022-11-03 03:34:44,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:44,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:44,867 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:44,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:45,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:45,083 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:45,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:45,084 INFO L85 PathProgramCache]: Analyzing trace with hash -761085096, now seen corresponding path program 1 times [2022-11-03 03:34:45,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:45,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1758387147] [2022-11-03 03:34:45,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:45,085 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:45,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:45,086 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:45,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-03 03:34:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:45,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:45,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:45,757 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:45,758 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:45,758 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:45,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1758387147] [2022-11-03 03:34:45,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1758387147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:45,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:45,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:45,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886691384] [2022-11-03 03:34:45,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:45,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:45,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:45,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:45,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:45,761 INFO L87 Difference]: Start difference. First operand 267 states and 385 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:46,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:46,199 INFO L93 Difference]: Finished difference Result 1026 states and 1493 transitions. [2022-11-03 03:34:46,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:46,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:46,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:46,202 INFO L225 Difference]: With dead ends: 1026 [2022-11-03 03:34:46,202 INFO L226 Difference]: Without dead ends: 761 [2022-11-03 03:34:46,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:46,204 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 2369 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2369 SdHoareTripleChecker+Valid, 1477 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:46,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2369 Valid, 1477 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:34:46,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2022-11-03 03:34:46,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 271. [2022-11-03 03:34:46,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 266 states have (on average 1.443609022556391) internal successors, (384), 266 states have internal predecessors, (384), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:46,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 390 transitions. [2022-11-03 03:34:46,222 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 390 transitions. Word has length 95 [2022-11-03 03:34:46,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:46,222 INFO L495 AbstractCegarLoop]: Abstraction has 271 states and 390 transitions. [2022-11-03 03:34:46,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:46,223 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 390 transitions. [2022-11-03 03:34:46,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:46,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:46,224 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:46,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:46,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:46,441 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:46,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:46,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1167187606, now seen corresponding path program 1 times [2022-11-03 03:34:46,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:46,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [441033680] [2022-11-03 03:34:46,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:46,442 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:46,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:46,443 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:46,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-03 03:34:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:46,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:46,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:47,089 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:47,090 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:47,090 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:47,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [441033680] [2022-11-03 03:34:47,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [441033680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:47,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:47,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:47,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893216937] [2022-11-03 03:34:47,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:47,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:47,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:47,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:47,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:47,092 INFO L87 Difference]: Start difference. First operand 271 states and 390 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:47,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:47,518 INFO L93 Difference]: Finished difference Result 1032 states and 1499 transitions. [2022-11-03 03:34:47,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:47,518 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:47,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:47,521 INFO L225 Difference]: With dead ends: 1032 [2022-11-03 03:34:47,521 INFO L226 Difference]: Without dead ends: 763 [2022-11-03 03:34:47,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:47,523 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 2362 mSDsluCounter, 1069 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2362 SdHoareTripleChecker+Valid, 1476 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:47,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2362 Valid, 1476 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:34:47,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2022-11-03 03:34:47,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 273. [2022-11-03 03:34:47,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 268 states have (on average 1.4402985074626866) internal successors, (386), 268 states have internal predecessors, (386), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:47,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 392 transitions. [2022-11-03 03:34:47,542 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 392 transitions. Word has length 95 [2022-11-03 03:34:47,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:47,543 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 392 transitions. [2022-11-03 03:34:47,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:47,543 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 392 transitions. [2022-11-03 03:34:47,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:47,544 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:47,545 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:47,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:47,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:47,761 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:47,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:47,761 INFO L85 PathProgramCache]: Analyzing trace with hash -882200236, now seen corresponding path program 1 times [2022-11-03 03:34:47,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:47,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321376897] [2022-11-03 03:34:47,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:47,763 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:47,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:47,764 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:47,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-03 03:34:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:48,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:48,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:48,406 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:48,407 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:48,407 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:48,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321376897] [2022-11-03 03:34:48,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321376897] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:48,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:48,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:48,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630717945] [2022-11-03 03:34:48,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:48,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:48,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:48,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:48,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:48,410 INFO L87 Difference]: Start difference. First operand 273 states and 392 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:48,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:48,836 INFO L93 Difference]: Finished difference Result 1036 states and 1502 transitions. [2022-11-03 03:34:48,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:48,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:48,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:48,839 INFO L225 Difference]: With dead ends: 1036 [2022-11-03 03:34:48,839 INFO L226 Difference]: Without dead ends: 765 [2022-11-03 03:34:48,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:48,841 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 2355 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 1484 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:48,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2355 Valid, 1484 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:34:48,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2022-11-03 03:34:48,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 275. [2022-11-03 03:34:48,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 270 states have (on average 1.4370370370370371) internal successors, (388), 270 states have internal predecessors, (388), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:48,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 394 transitions. [2022-11-03 03:34:48,860 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 394 transitions. Word has length 95 [2022-11-03 03:34:48,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:48,860 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 394 transitions. [2022-11-03 03:34:48,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:48,861 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 394 transitions. [2022-11-03 03:34:48,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:48,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:48,862 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:48,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:49,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:49,079 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:49,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:49,080 INFO L85 PathProgramCache]: Analyzing trace with hash -634053742, now seen corresponding path program 1 times [2022-11-03 03:34:49,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:49,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1466385172] [2022-11-03 03:34:49,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:49,081 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:49,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:49,082 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:49,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-03 03:34:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:49,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:49,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:49,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:49,756 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:49,756 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:49,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1466385172] [2022-11-03 03:34:49,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1466385172] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:49,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:49,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:49,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434560141] [2022-11-03 03:34:49,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:49,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:49,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:49,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:49,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:49,759 INFO L87 Difference]: Start difference. First operand 275 states and 394 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:50,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:50,154 INFO L93 Difference]: Finished difference Result 1040 states and 1505 transitions. [2022-11-03 03:34:50,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:50,155 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:50,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:50,158 INFO L225 Difference]: With dead ends: 1040 [2022-11-03 03:34:50,158 INFO L226 Difference]: Without dead ends: 767 [2022-11-03 03:34:50,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:50,159 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 2347 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2347 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:50,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2347 Valid, 1506 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:34:50,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2022-11-03 03:34:50,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 277. [2022-11-03 03:34:50,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 272 states have (on average 1.4338235294117647) internal successors, (390), 272 states have internal predecessors, (390), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:50,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 396 transitions. [2022-11-03 03:34:50,186 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 396 transitions. Word has length 95 [2022-11-03 03:34:50,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:50,186 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 396 transitions. [2022-11-03 03:34:50,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:50,187 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 396 transitions. [2022-11-03 03:34:50,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:50,188 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:50,188 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:50,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:50,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:50,402 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:50,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:50,403 INFO L85 PathProgramCache]: Analyzing trace with hash -2005861040, now seen corresponding path program 1 times [2022-11-03 03:34:50,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:50,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746382570] [2022-11-03 03:34:50,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:50,404 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:50,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:50,405 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:50,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-03 03:34:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:50,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:50,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:51,097 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:51,097 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:51,097 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:51,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1746382570] [2022-11-03 03:34:51,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1746382570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:51,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:51,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:51,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880726720] [2022-11-03 03:34:51,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:51,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:51,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:51,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:51,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:51,100 INFO L87 Difference]: Start difference. First operand 277 states and 396 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:51,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:51,522 INFO L93 Difference]: Finished difference Result 1044 states and 1508 transitions. [2022-11-03 03:34:51,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:51,522 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:51,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:51,525 INFO L225 Difference]: With dead ends: 1044 [2022-11-03 03:34:51,526 INFO L226 Difference]: Without dead ends: 769 [2022-11-03 03:34:51,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:51,527 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 2344 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2344 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:51,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2344 Valid, 1490 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:34:51,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2022-11-03 03:34:51,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 279. [2022-11-03 03:34:51,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 274 states have (on average 1.4306569343065694) internal successors, (392), 274 states have internal predecessors, (392), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:51,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 398 transitions. [2022-11-03 03:34:51,548 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 398 transitions. Word has length 95 [2022-11-03 03:34:51,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:51,549 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 398 transitions. [2022-11-03 03:34:51,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:51,549 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 398 transitions. [2022-11-03 03:34:51,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:51,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:51,551 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:51,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:51,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:51,768 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:51,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:51,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1259746958, now seen corresponding path program 1 times [2022-11-03 03:34:51,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:51,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1152570768] [2022-11-03 03:34:51,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:51,769 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:51,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:51,770 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:51,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-03 03:34:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:52,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:52,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:52,401 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:52,401 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:52,402 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:52,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1152570768] [2022-11-03 03:34:52,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1152570768] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:52,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:52,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:52,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155327073] [2022-11-03 03:34:52,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:52,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:52,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:52,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:52,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:52,404 INFO L87 Difference]: Start difference. First operand 279 states and 398 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:52,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:52,671 INFO L93 Difference]: Finished difference Result 1048 states and 1511 transitions. [2022-11-03 03:34:52,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:52,671 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:52,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:52,675 INFO L225 Difference]: With dead ends: 1048 [2022-11-03 03:34:52,675 INFO L226 Difference]: Without dead ends: 771 [2022-11-03 03:34:52,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:52,676 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 2346 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2346 SdHoareTripleChecker+Valid, 1541 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:52,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2346 Valid, 1541 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:34:52,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2022-11-03 03:34:52,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 281. [2022-11-03 03:34:52,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 276 states have (on average 1.4275362318840579) internal successors, (394), 276 states have internal predecessors, (394), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:52,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 400 transitions. [2022-11-03 03:34:52,705 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 400 transitions. Word has length 95 [2022-11-03 03:34:52,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:52,705 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 400 transitions. [2022-11-03 03:34:52,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:52,706 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 400 transitions. [2022-11-03 03:34:52,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:52,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:52,707 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:52,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:52,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:52,924 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:52,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:52,924 INFO L85 PathProgramCache]: Analyzing trace with hash 865380172, now seen corresponding path program 1 times [2022-11-03 03:34:52,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:52,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2121511061] [2022-11-03 03:34:52,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:52,925 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:52,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:52,926 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:52,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-03 03:34:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:53,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:53,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:53,539 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:53,539 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:53,539 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:53,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2121511061] [2022-11-03 03:34:53,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2121511061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:53,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:53,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:53,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003438502] [2022-11-03 03:34:53,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:53,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:53,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:53,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:53,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:53,542 INFO L87 Difference]: Start difference. First operand 281 states and 400 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:53,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:53,883 INFO L93 Difference]: Finished difference Result 1054 states and 1517 transitions. [2022-11-03 03:34:53,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:53,884 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:53,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:53,887 INFO L225 Difference]: With dead ends: 1054 [2022-11-03 03:34:53,887 INFO L226 Difference]: Without dead ends: 775 [2022-11-03 03:34:53,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:53,889 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 2332 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2332 SdHoareTripleChecker+Valid, 1519 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:53,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2332 Valid, 1519 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:53,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2022-11-03 03:34:53,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 285. [2022-11-03 03:34:53,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 280 states have (on average 1.425) internal successors, (399), 280 states have internal predecessors, (399), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:53,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 405 transitions. [2022-11-03 03:34:53,909 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 405 transitions. Word has length 95 [2022-11-03 03:34:53,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:53,909 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 405 transitions. [2022-11-03 03:34:53,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:53,910 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 405 transitions. [2022-11-03 03:34:53,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:53,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:53,911 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:53,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:54,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:54,127 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:54,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:54,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1140139786, now seen corresponding path program 1 times [2022-11-03 03:34:54,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:54,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [26538934] [2022-11-03 03:34:54,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:54,129 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:54,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:54,130 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:54,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-03 03:34:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:54,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:54,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:54,745 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:54,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:54,746 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:54,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [26538934] [2022-11-03 03:34:54,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [26538934] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:54,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:54,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:54,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122942101] [2022-11-03 03:34:54,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:54,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:54,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:54,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:54,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:54,751 INFO L87 Difference]: Start difference. First operand 285 states and 405 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:55,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:55,063 INFO L93 Difference]: Finished difference Result 1060 states and 1523 transitions. [2022-11-03 03:34:55,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:55,064 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:55,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:55,067 INFO L225 Difference]: With dead ends: 1060 [2022-11-03 03:34:55,067 INFO L226 Difference]: Without dead ends: 777 [2022-11-03 03:34:55,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:55,069 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 2322 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 1568 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:55,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2322 Valid, 1568 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:34:55,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2022-11-03 03:34:55,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 287. [2022-11-03 03:34:55,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 282 states have (on average 1.4219858156028369) internal successors, (401), 282 states have internal predecessors, (401), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:55,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 407 transitions. [2022-11-03 03:34:55,090 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 407 transitions. Word has length 95 [2022-11-03 03:34:55,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:55,091 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 407 transitions. [2022-11-03 03:34:55,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:55,091 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 407 transitions. [2022-11-03 03:34:55,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:55,092 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:55,093 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:55,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (19)] Ended with exit code 0 [2022-11-03 03:34:55,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:55,309 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:55,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:55,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1162772040, now seen corresponding path program 1 times [2022-11-03 03:34:55,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:55,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1839812162] [2022-11-03 03:34:55,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:55,311 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:55,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:55,312 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:55,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-11-03 03:34:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:55,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:55,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:55,914 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:55,915 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:55,915 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:55,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1839812162] [2022-11-03 03:34:55,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1839812162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:55,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:55,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:55,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447674693] [2022-11-03 03:34:55,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:55,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:55,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:55,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:55,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:55,917 INFO L87 Difference]: Start difference. First operand 287 states and 407 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:56,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:56,213 INFO L93 Difference]: Finished difference Result 1064 states and 1526 transitions. [2022-11-03 03:34:56,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:56,213 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:56,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:56,216 INFO L225 Difference]: With dead ends: 1064 [2022-11-03 03:34:56,216 INFO L226 Difference]: Without dead ends: 779 [2022-11-03 03:34:56,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:56,217 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 2322 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 1572 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:56,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2322 Valid, 1572 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:34:56,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2022-11-03 03:34:56,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 289. [2022-11-03 03:34:56,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 284 states have (on average 1.4190140845070423) internal successors, (403), 284 states have internal predecessors, (403), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:56,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 409 transitions. [2022-11-03 03:34:56,239 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 409 transitions. Word has length 95 [2022-11-03 03:34:56,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:56,239 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 409 transitions. [2022-11-03 03:34:56,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:56,239 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 409 transitions. [2022-11-03 03:34:56,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:56,240 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:56,240 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:56,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:56,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:56,450 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:56,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:56,450 INFO L85 PathProgramCache]: Analyzing trace with hash 653298950, now seen corresponding path program 1 times [2022-11-03 03:34:56,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:56,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1635671127] [2022-11-03 03:34:56,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:56,451 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:56,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:56,452 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:56,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-11-03 03:34:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:56,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:56,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:57,050 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:57,051 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:57,051 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:57,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1635671127] [2022-11-03 03:34:57,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1635671127] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:57,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:57,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:57,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261227917] [2022-11-03 03:34:57,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:57,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:57,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:57,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:57,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:57,053 INFO L87 Difference]: Start difference. First operand 289 states and 409 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:57,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:57,408 INFO L93 Difference]: Finished difference Result 1068 states and 1529 transitions. [2022-11-03 03:34:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:57,409 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:57,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:57,411 INFO L225 Difference]: With dead ends: 1068 [2022-11-03 03:34:57,411 INFO L226 Difference]: Without dead ends: 781 [2022-11-03 03:34:57,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:57,412 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 2307 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2307 SdHoareTripleChecker+Valid, 1546 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:57,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2307 Valid, 1546 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:57,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2022-11-03 03:34:57,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 291. [2022-11-03 03:34:57,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 286 states have (on average 1.416083916083916) internal successors, (405), 286 states have internal predecessors, (405), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:57,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 411 transitions. [2022-11-03 03:34:57,434 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 411 transitions. Word has length 95 [2022-11-03 03:34:57,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:57,434 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 411 transitions. [2022-11-03 03:34:57,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:57,435 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 411 transitions. [2022-11-03 03:34:57,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:57,436 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:57,436 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:57,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:57,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:57,652 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:57,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:57,653 INFO L85 PathProgramCache]: Analyzing trace with hash 715338564, now seen corresponding path program 1 times [2022-11-03 03:34:57,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:57,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [910804547] [2022-11-03 03:34:57,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:57,654 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:57,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:57,655 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:57,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-03 03:34:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:58,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:58,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:58,323 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:58,323 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:58,323 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:58,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [910804547] [2022-11-03 03:34:58,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [910804547] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:58,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:58,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:58,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304367547] [2022-11-03 03:34:58,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:58,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:58,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:58,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:58,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:58,325 INFO L87 Difference]: Start difference. First operand 291 states and 411 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:58,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:58,621 INFO L93 Difference]: Finished difference Result 1072 states and 1532 transitions. [2022-11-03 03:34:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:58,622 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:58,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:58,626 INFO L225 Difference]: With dead ends: 1072 [2022-11-03 03:34:58,626 INFO L226 Difference]: Without dead ends: 783 [2022-11-03 03:34:58,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:58,627 INFO L413 NwaCegarLoop]: 446 mSDtfsCounter, 2319 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2319 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:58,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2319 Valid, 1558 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:34:58,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2022-11-03 03:34:58,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 293. [2022-11-03 03:34:58,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 288 states have (on average 1.4131944444444444) internal successors, (407), 288 states have internal predecessors, (407), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:58,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 413 transitions. [2022-11-03 03:34:58,651 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 413 transitions. Word has length 95 [2022-11-03 03:34:58,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:58,652 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 413 transitions. [2022-11-03 03:34:58,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:58,652 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 413 transitions. [2022-11-03 03:34:58,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:58,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:58,653 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:58,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:58,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:34:58,866 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:58,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:58,866 INFO L85 PathProgramCache]: Analyzing trace with hash 581325058, now seen corresponding path program 1 times [2022-11-03 03:34:58,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:34:58,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935500189] [2022-11-03 03:34:58,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:58,867 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:34:58,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:34:58,868 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:34:58,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-11-03 03:34:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:59,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:34:59,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:59,493 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:34:59,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:59,494 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:34:59,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935500189] [2022-11-03 03:34:59,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [935500189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:59,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:59,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:59,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883232056] [2022-11-03 03:34:59,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:59,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:59,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:34:59,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:59,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:59,497 INFO L87 Difference]: Start difference. First operand 293 states and 413 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:59,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:59,841 INFO L93 Difference]: Finished difference Result 1076 states and 1535 transitions. [2022-11-03 03:34:59,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:34:59,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:34:59,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:59,845 INFO L225 Difference]: With dead ends: 1076 [2022-11-03 03:34:59,845 INFO L226 Difference]: Without dead ends: 785 [2022-11-03 03:34:59,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:34:59,847 INFO L413 NwaCegarLoop]: 460 mSDtfsCounter, 2291 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2291 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:59,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2291 Valid, 1571 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:34:59,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2022-11-03 03:34:59,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 295. [2022-11-03 03:34:59,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 290 states have (on average 1.410344827586207) internal successors, (409), 290 states have internal predecessors, (409), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:34:59,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 415 transitions. [2022-11-03 03:34:59,871 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 415 transitions. Word has length 95 [2022-11-03 03:34:59,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:59,872 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 415 transitions. [2022-11-03 03:34:59,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:34:59,872 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 415 transitions. [2022-11-03 03:34:59,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:34:59,873 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:59,873 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:59,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:00,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:00,090 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:00,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:00,090 INFO L85 PathProgramCache]: Analyzing trace with hash 800179776, now seen corresponding path program 1 times [2022-11-03 03:35:00,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:00,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [154075186] [2022-11-03 03:35:00,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:00,091 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:00,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:00,092 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:00,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-11-03 03:35:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:00,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:35:00,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:00,729 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:35:00,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:00,729 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:00,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [154075186] [2022-11-03 03:35:00,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [154075186] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:00,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:00,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:00,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039326951] [2022-11-03 03:35:00,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:00,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:00,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:00,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:00,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:00,731 INFO L87 Difference]: Start difference. First operand 295 states and 415 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:35:01,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:01,054 INFO L93 Difference]: Finished difference Result 1080 states and 1538 transitions. [2022-11-03 03:35:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:01,055 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:35:01,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:01,058 INFO L225 Difference]: With dead ends: 1080 [2022-11-03 03:35:01,058 INFO L226 Difference]: Without dead ends: 787 [2022-11-03 03:35:01,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:35:01,060 INFO L413 NwaCegarLoop]: 455 mSDtfsCounter, 2297 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2297 SdHoareTripleChecker+Valid, 1578 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:01,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2297 Valid, 1578 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:35:01,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2022-11-03 03:35:01,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 297. [2022-11-03 03:35:01,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 292 states have (on average 1.4075342465753424) internal successors, (411), 292 states have internal predecessors, (411), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:35:01,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 417 transitions. [2022-11-03 03:35:01,085 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 417 transitions. Word has length 95 [2022-11-03 03:35:01,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:01,085 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 417 transitions. [2022-11-03 03:35:01,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:35:01,085 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 417 transitions. [2022-11-03 03:35:01,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:35:01,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:01,086 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:01,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (24)] Ended with exit code 0 [2022-11-03 03:35:01,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:01,303 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:01,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:01,303 INFO L85 PathProgramCache]: Analyzing trace with hash -17468674, now seen corresponding path program 1 times [2022-11-03 03:35:01,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:01,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46200600] [2022-11-03 03:35:01,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:01,304 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:01,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:01,306 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:01,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-11-03 03:35:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:01,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:35:01,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:02,017 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:35:02,018 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:02,018 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:02,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [46200600] [2022-11-03 03:35:02,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [46200600] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:02,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:02,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:02,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457458887] [2022-11-03 03:35:02,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:02,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:02,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:02,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:02,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:02,020 INFO L87 Difference]: Start difference. First operand 297 states and 417 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:35:02,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:02,369 INFO L93 Difference]: Finished difference Result 1084 states and 1541 transitions. [2022-11-03 03:35:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:02,370 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:35:02,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:02,373 INFO L225 Difference]: With dead ends: 1084 [2022-11-03 03:35:02,373 INFO L226 Difference]: Without dead ends: 789 [2022-11-03 03:35:02,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:35:02,374 INFO L413 NwaCegarLoop]: 452 mSDtfsCounter, 2295 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2295 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:02,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2295 Valid, 1561 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:35:02,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2022-11-03 03:35:02,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 299. [2022-11-03 03:35:02,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 294 states have (on average 1.4047619047619047) internal successors, (413), 294 states have internal predecessors, (413), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:35:02,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 419 transitions. [2022-11-03 03:35:02,395 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 419 transitions. Word has length 95 [2022-11-03 03:35:02,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:02,395 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 419 transitions. [2022-11-03 03:35:02,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:35:02,395 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 419 transitions. [2022-11-03 03:35:02,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:35:02,396 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:02,396 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:02,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:02,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:02,613 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:02,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:02,614 INFO L85 PathProgramCache]: Analyzing trace with hash -2011613380, now seen corresponding path program 1 times [2022-11-03 03:35:02,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:02,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2127212207] [2022-11-03 03:35:02,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:02,615 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:02,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:02,616 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:02,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-11-03 03:35:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:03,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:35:03,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:03,227 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:35:03,227 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:03,227 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:03,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2127212207] [2022-11-03 03:35:03,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2127212207] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:03,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:03,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:03,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232116884] [2022-11-03 03:35:03,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:03,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:03,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:03,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:03,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:03,229 INFO L87 Difference]: Start difference. First operand 299 states and 419 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:35:03,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:03,550 INFO L93 Difference]: Finished difference Result 1090 states and 1547 transitions. [2022-11-03 03:35:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:03,551 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:35:03,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:03,555 INFO L225 Difference]: With dead ends: 1090 [2022-11-03 03:35:03,555 INFO L226 Difference]: Without dead ends: 793 [2022-11-03 03:35:03,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:35:03,556 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 2287 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 1579 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:03,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2287 Valid, 1579 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:35:03,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2022-11-03 03:35:03,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 303. [2022-11-03 03:35:03,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 298 states have (on average 1.4026845637583893) internal successors, (418), 298 states have internal predecessors, (418), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:35:03,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 424 transitions. [2022-11-03 03:35:03,572 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 424 transitions. Word has length 95 [2022-11-03 03:35:03,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:03,573 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 424 transitions. [2022-11-03 03:35:03,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:35:03,573 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 424 transitions. [2022-11-03 03:35:03,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:35:03,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:03,574 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:03,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (26)] Ended with exit code 0 [2022-11-03 03:35:03,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:03,784 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:03,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:03,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1272236666, now seen corresponding path program 1 times [2022-11-03 03:35:03,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:03,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [883601203] [2022-11-03 03:35:03,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:03,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:03,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:03,787 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:03,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-11-03 03:35:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:04,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:35:04,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:04,424 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:35:04,424 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:04,424 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:04,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [883601203] [2022-11-03 03:35:04,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [883601203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:04,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:04,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:04,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780045469] [2022-11-03 03:35:04,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:04,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:04,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:04,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:04,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:04,427 INFO L87 Difference]: Start difference. First operand 303 states and 424 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:35:04,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:04,719 INFO L93 Difference]: Finished difference Result 1096 states and 1553 transitions. [2022-11-03 03:35:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:04,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:35:04,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:04,721 INFO L225 Difference]: With dead ends: 1096 [2022-11-03 03:35:04,721 INFO L226 Difference]: Without dead ends: 795 [2022-11-03 03:35:04,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:35:04,722 INFO L413 NwaCegarLoop]: 467 mSDtfsCounter, 2284 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2284 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:04,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2284 Valid, 1585 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:35:04,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2022-11-03 03:35:04,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 305. [2022-11-03 03:35:04,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 300 states have (on average 1.4) internal successors, (420), 300 states have internal predecessors, (420), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:35:04,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 426 transitions. [2022-11-03 03:35:04,748 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 426 transitions. Word has length 95 [2022-11-03 03:35:04,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:04,749 INFO L495 AbstractCegarLoop]: Abstraction has 305 states and 426 transitions. [2022-11-03 03:35:04,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:35:04,749 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 426 transitions. [2022-11-03 03:35:04,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:35:04,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:04,750 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:04,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (27)] Ended with exit code 0 [2022-11-03 03:35:04,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:04,966 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:04,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:04,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1530402104, now seen corresponding path program 1 times [2022-11-03 03:35:04,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:04,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [512284152] [2022-11-03 03:35:04,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:04,968 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:04,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:04,969 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:04,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-11-03 03:35:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:05,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:35:05,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:05,611 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:35:05,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:05,612 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:05,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [512284152] [2022-11-03 03:35:05,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [512284152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:05,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:05,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:05,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360612064] [2022-11-03 03:35:05,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:05,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:05,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:05,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:05,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:05,614 INFO L87 Difference]: Start difference. First operand 305 states and 426 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:35:05,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:05,921 INFO L93 Difference]: Finished difference Result 1100 states and 1556 transitions. [2022-11-03 03:35:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:05,922 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:35:05,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:05,926 INFO L225 Difference]: With dead ends: 1100 [2022-11-03 03:35:05,926 INFO L226 Difference]: Without dead ends: 797 [2022-11-03 03:35:05,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:35:05,927 INFO L413 NwaCegarLoop]: 474 mSDtfsCounter, 2267 mSDsluCounter, 1113 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2267 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:05,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2267 Valid, 1587 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:35:05,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2022-11-03 03:35:05,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 307. [2022-11-03 03:35:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 302 states have (on average 1.3973509933774835) internal successors, (422), 302 states have internal predecessors, (422), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:35:05,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 428 transitions. [2022-11-03 03:35:05,955 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 428 transitions. Word has length 95 [2022-11-03 03:35:05,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:05,955 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 428 transitions. [2022-11-03 03:35:05,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:35:05,956 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 428 transitions. [2022-11-03 03:35:05,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:35:05,956 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:05,957 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:05,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (28)] Ended with exit code 0 [2022-11-03 03:35:06,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:06,170 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:06,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:06,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1137375094, now seen corresponding path program 1 times [2022-11-03 03:35:06,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:06,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1534993036] [2022-11-03 03:35:06,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:06,171 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:06,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:06,172 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:06,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-11-03 03:35:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:06,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:35:06,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:35:06,847 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:06,847 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:06,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1534993036] [2022-11-03 03:35:06,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1534993036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:06,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:06,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:06,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972251877] [2022-11-03 03:35:06,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:06,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:06,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:06,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:06,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:06,849 INFO L87 Difference]: Start difference. First operand 307 states and 428 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:35:07,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:07,457 INFO L93 Difference]: Finished difference Result 1104 states and 1559 transitions. [2022-11-03 03:35:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:07,458 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:35:07,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:07,462 INFO L225 Difference]: With dead ends: 1104 [2022-11-03 03:35:07,462 INFO L226 Difference]: Without dead ends: 799 [2022-11-03 03:35:07,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:35:07,463 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 2263 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2263 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:07,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2263 Valid, 1400 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 03:35:07,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2022-11-03 03:35:07,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 309. [2022-11-03 03:35:07,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 304 states have (on average 1.394736842105263) internal successors, (424), 304 states have internal predecessors, (424), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:35:07,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 430 transitions. [2022-11-03 03:35:07,480 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 430 transitions. Word has length 95 [2022-11-03 03:35:07,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:07,480 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 430 transitions. [2022-11-03 03:35:07,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:35:07,481 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 430 transitions. [2022-11-03 03:35:07,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:35:07,481 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:07,482 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:07,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (29)] Ended with exit code 0 [2022-11-03 03:35:07,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:07,695 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:07,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:07,695 INFO L85 PathProgramCache]: Analyzing trace with hash 328028468, now seen corresponding path program 1 times [2022-11-03 03:35:07,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:07,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [294335354] [2022-11-03 03:35:07,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:07,696 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:07,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:07,697 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:07,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2022-11-03 03:35:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:08,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-03 03:35:08,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:08,347 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:35:08,347 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:08,347 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:08,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [294335354] [2022-11-03 03:35:08,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [294335354] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:08,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:08,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:08,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115926694] [2022-11-03 03:35:08,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:08,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:08,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:08,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:08,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:08,349 INFO L87 Difference]: Start difference. First operand 309 states and 430 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:35:08,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:08,976 INFO L93 Difference]: Finished difference Result 1108 states and 1562 transitions. [2022-11-03 03:35:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:08,977 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:35:08,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:08,979 INFO L225 Difference]: With dead ends: 1108 [2022-11-03 03:35:08,979 INFO L226 Difference]: Without dead ends: 801 [2022-11-03 03:35:08,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:35:08,980 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 2248 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2248 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:08,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2248 Valid, 1428 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 03:35:08,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2022-11-03 03:35:08,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 311. [2022-11-03 03:35:08,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 306 states have (on average 1.392156862745098) internal successors, (426), 306 states have internal predecessors, (426), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:35:09,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 432 transitions. [2022-11-03 03:35:09,000 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 432 transitions. Word has length 95 [2022-11-03 03:35:09,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:09,001 INFO L495 AbstractCegarLoop]: Abstraction has 311 states and 432 transitions. [2022-11-03 03:35:09,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:35:09,001 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 432 transitions. [2022-11-03 03:35:09,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:35:09,002 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:09,002 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:09,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (30)] Ended with exit code 0 [2022-11-03 03:35:09,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:09,210 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:09,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:09,210 INFO L85 PathProgramCache]: Analyzing trace with hash 385286770, now seen corresponding path program 1 times [2022-11-03 03:35:09,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:09,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618493962] [2022-11-03 03:35:09,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:09,211 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:09,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:09,212 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:09,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-11-03 03:35:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:09,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-03 03:35:09,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:10,049 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:35:10,050 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:10,050 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:10,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1618493962] [2022-11-03 03:35:10,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1618493962] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:10,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:10,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:35:10,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137855337] [2022-11-03 03:35:10,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:10,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:35:10,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:10,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:35:10,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:35:10,051 INFO L87 Difference]: Start difference. First operand 311 states and 432 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:35:10,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:10,619 INFO L93 Difference]: Finished difference Result 893 states and 1217 transitions. [2022-11-03 03:35:10,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 03:35:10,619 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:35:10,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:10,623 INFO L225 Difference]: With dead ends: 893 [2022-11-03 03:35:10,623 INFO L226 Difference]: Without dead ends: 891 [2022-11-03 03:35:10,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-03 03:35:10,624 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 2124 mSDsluCounter, 1176 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2124 SdHoareTripleChecker+Valid, 1604 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:10,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2124 Valid, 1604 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 03:35:10,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2022-11-03 03:35:10,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 447. [2022-11-03 03:35:10,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 442 states have (on average 1.3597285067873304) internal successors, (601), 442 states have internal predecessors, (601), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:35:10,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 607 transitions. [2022-11-03 03:35:10,656 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 607 transitions. Word has length 95 [2022-11-03 03:35:10,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:10,656 INFO L495 AbstractCegarLoop]: Abstraction has 447 states and 607 transitions. [2022-11-03 03:35:10,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:35:10,657 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 607 transitions. [2022-11-03 03:35:10,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 03:35:10,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:10,658 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:10,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (31)] Ended with exit code 0 [2022-11-03 03:35:10,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:10,873 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:10,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:10,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1272509616, now seen corresponding path program 1 times [2022-11-03 03:35:10,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:10,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1376252246] [2022-11-03 03:35:10,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:10,874 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:10,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:10,875 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:10,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2022-11-03 03:35:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:11,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 03:35:11,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:11,353 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:35:11,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:11,354 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:11,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1376252246] [2022-11-03 03:35:11,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1376252246] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:11,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:11,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:35:11,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895582712] [2022-11-03 03:35:11,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:11,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:35:11,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:11,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:35:11,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:35:11,356 INFO L87 Difference]: Start difference. First operand 447 states and 607 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:35:11,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:11,477 INFO L93 Difference]: Finished difference Result 1202 states and 1647 transitions. [2022-11-03 03:35:11,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:35:11,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 03:35:11,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:11,481 INFO L225 Difference]: With dead ends: 1202 [2022-11-03 03:35:11,481 INFO L226 Difference]: Without dead ends: 757 [2022-11-03 03:35:11,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:35:11,482 INFO L413 NwaCegarLoop]: 373 mSDtfsCounter, 695 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:11,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 1103 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:35:11,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2022-11-03 03:35:11,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 455. [2022-11-03 03:35:11,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 447 states have (on average 1.3557046979865772) internal successors, (606), 447 states have internal predecessors, (606), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:11,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 618 transitions. [2022-11-03 03:35:11,536 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 618 transitions. Word has length 95 [2022-11-03 03:35:11,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:11,537 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 618 transitions. [2022-11-03 03:35:11,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:35:11,537 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 618 transitions. [2022-11-03 03:35:11,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:11,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:11,540 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:11,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:11,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:11,756 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:11,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:11,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1116451161, now seen corresponding path program 1 times [2022-11-03 03:35:11,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:11,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [34250663] [2022-11-03 03:35:11,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:11,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:11,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:11,759 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:11,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2022-11-03 03:35:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:12,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:35:12,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:12,929 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 03:35:12,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:35:13,286 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 03:35:13,287 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:13,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [34250663] [2022-11-03 03:35:13,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [34250663] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:35:13,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1414472002] [2022-11-03 03:35:13,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:13,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:35:13,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:35:13,294 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:35:13,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2022-11-03 03:35:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:14,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:35:14,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:14,735 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:14,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:14,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1414472002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:14,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:35:14,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 03:35:14,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123636762] [2022-11-03 03:35:14,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:14,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:35:14,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:14,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:35:14,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:35:14,738 INFO L87 Difference]: Start difference. First operand 455 states and 618 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:15,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:15,129 INFO L93 Difference]: Finished difference Result 2047 states and 2764 transitions. [2022-11-03 03:35:15,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:15,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:15,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:15,135 INFO L225 Difference]: With dead ends: 2047 [2022-11-03 03:35:15,135 INFO L226 Difference]: Without dead ends: 1602 [2022-11-03 03:35:15,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 03:35:15,137 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 1649 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 1420 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:15,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1652 Valid, 1420 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:35:15,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1602 states. [2022-11-03 03:35:15,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1602 to 731. [2022-11-03 03:35:15,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 723 states have (on average 1.330567081604426) internal successors, (962), 723 states have internal predecessors, (962), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:15,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 974 transitions. [2022-11-03 03:35:15,203 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 974 transitions. Word has length 346 [2022-11-03 03:35:15,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:15,204 INFO L495 AbstractCegarLoop]: Abstraction has 731 states and 974 transitions. [2022-11-03 03:35:15,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:15,204 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 974 transitions. [2022-11-03 03:35:15,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:15,207 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:15,207 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:15,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:15,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (33)] Ended with exit code 0 [2022-11-03 03:35:15,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:15,618 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:15,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:15,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1176404393, now seen corresponding path program 1 times [2022-11-03 03:35:15,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:15,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016180939] [2022-11-03 03:35:15,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:15,620 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:15,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:15,621 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:15,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2022-11-03 03:35:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:16,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:16,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:17,209 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:17,209 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:17,210 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:17,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016180939] [2022-11-03 03:35:17,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2016180939] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:17,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:17,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:17,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29059880] [2022-11-03 03:35:17,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:17,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:17,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:17,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:17,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:17,212 INFO L87 Difference]: Start difference. First operand 731 states and 974 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:17,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:17,823 INFO L93 Difference]: Finished difference Result 3144 states and 4180 transitions. [2022-11-03 03:35:17,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:17,824 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:17,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:17,830 INFO L225 Difference]: With dead ends: 3144 [2022-11-03 03:35:17,830 INFO L226 Difference]: Without dead ends: 2423 [2022-11-03 03:35:17,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:17,832 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 943 mSDsluCounter, 2060 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 2614 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 68 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:17,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [946 Valid, 2614 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 216 Invalid, 0 Unknown, 68 Unchecked, 0.5s Time] [2022-11-03 03:35:17,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2423 states. [2022-11-03 03:35:17,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2423 to 1019. [2022-11-03 03:35:17,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 1011 states have (on average 1.3194856577645895) internal successors, (1334), 1011 states have internal predecessors, (1334), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:17,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1346 transitions. [2022-11-03 03:35:17,908 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1346 transitions. Word has length 346 [2022-11-03 03:35:17,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:17,908 INFO L495 AbstractCegarLoop]: Abstraction has 1019 states and 1346 transitions. [2022-11-03 03:35:17,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:17,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1346 transitions. [2022-11-03 03:35:17,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:17,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:17,913 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:17,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:18,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:18,135 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:18,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:18,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1444973017, now seen corresponding path program 1 times [2022-11-03 03:35:18,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:18,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206521514] [2022-11-03 03:35:18,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:18,138 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:18,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:18,141 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:18,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2022-11-03 03:35:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:19,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:19,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:19,824 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:19,825 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:19,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1206521514] [2022-11-03 03:35:19,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1206521514] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:19,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:19,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:19,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49206018] [2022-11-03 03:35:19,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:19,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:19,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:19,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:19,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:19,827 INFO L87 Difference]: Start difference. First operand 1019 states and 1346 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:20,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:20,406 INFO L93 Difference]: Finished difference Result 3140 states and 4173 transitions. [2022-11-03 03:35:20,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:20,407 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:20,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:20,412 INFO L225 Difference]: With dead ends: 3140 [2022-11-03 03:35:20,412 INFO L226 Difference]: Without dead ends: 2419 [2022-11-03 03:35:20,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:20,414 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 1040 mSDsluCounter, 1828 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 2265 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 68 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:20,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 2265 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 209 Invalid, 0 Unknown, 68 Unchecked, 0.4s Time] [2022-11-03 03:35:20,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2419 states. [2022-11-03 03:35:20,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2419 to 1023. [2022-11-03 03:35:20,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1023 states, 1015 states have (on average 1.3192118226600986) internal successors, (1339), 1015 states have internal predecessors, (1339), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:20,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1351 transitions. [2022-11-03 03:35:20,476 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1351 transitions. Word has length 346 [2022-11-03 03:35:20,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:20,476 INFO L495 AbstractCegarLoop]: Abstraction has 1023 states and 1351 transitions. [2022-11-03 03:35:20,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:20,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1351 transitions. [2022-11-03 03:35:20,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:20,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:20,480 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:20,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:20,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:20,694 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:20,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:20,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1797629531, now seen corresponding path program 1 times [2022-11-03 03:35:20,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:20,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [843722109] [2022-11-03 03:35:20,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:20,696 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:20,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:20,697 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:20,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2022-11-03 03:35:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:21,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:21,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:22,231 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:22,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:22,232 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:22,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [843722109] [2022-11-03 03:35:22,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [843722109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:22,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:22,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:22,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292649908] [2022-11-03 03:35:22,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:22,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:22,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:22,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:22,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:22,235 INFO L87 Difference]: Start difference. First operand 1023 states and 1351 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:22,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:22,795 INFO L93 Difference]: Finished difference Result 3136 states and 4166 transitions. [2022-11-03 03:35:22,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:22,796 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:22,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:22,801 INFO L225 Difference]: With dead ends: 3136 [2022-11-03 03:35:22,801 INFO L226 Difference]: Without dead ends: 2415 [2022-11-03 03:35:22,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:22,803 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 910 mSDsluCounter, 2044 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 2596 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 70 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:22,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 2596 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 70 Unchecked, 0.4s Time] [2022-11-03 03:35:22,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2415 states. [2022-11-03 03:35:22,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2415 to 1027. [2022-11-03 03:35:22,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1019 states have (on average 1.3189401373895977) internal successors, (1344), 1019 states have internal predecessors, (1344), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:22,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1356 transitions. [2022-11-03 03:35:22,868 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1356 transitions. Word has length 346 [2022-11-03 03:35:22,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:22,869 INFO L495 AbstractCegarLoop]: Abstraction has 1027 states and 1356 transitions. [2022-11-03 03:35:22,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:22,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1356 transitions. [2022-11-03 03:35:22,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:22,873 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:22,873 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:22,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (37)] Ended with exit code 0 [2022-11-03 03:35:23,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:23,086 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:23,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:23,086 INFO L85 PathProgramCache]: Analyzing trace with hash 681661405, now seen corresponding path program 1 times [2022-11-03 03:35:23,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:23,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [910963695] [2022-11-03 03:35:23,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:23,088 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:23,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:23,089 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:23,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2022-11-03 03:35:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:24,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:24,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:24,748 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:24,748 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:24,748 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:24,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [910963695] [2022-11-03 03:35:24,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [910963695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:24,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:24,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:24,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744500595] [2022-11-03 03:35:24,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:24,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:24,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:24,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:24,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:24,751 INFO L87 Difference]: Start difference. First operand 1027 states and 1356 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:25,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:25,340 INFO L93 Difference]: Finished difference Result 3128 states and 4153 transitions. [2022-11-03 03:35:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:25,341 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:25,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:25,345 INFO L225 Difference]: With dead ends: 3128 [2022-11-03 03:35:25,345 INFO L226 Difference]: Without dead ends: 2407 [2022-11-03 03:35:25,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:25,347 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 877 mSDsluCounter, 2032 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 2584 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 104 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:25,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 2584 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 104 Unchecked, 0.4s Time] [2022-11-03 03:35:25,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2407 states. [2022-11-03 03:35:25,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2407 to 1035. [2022-11-03 03:35:25,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1027 states have (on average 1.3193768257059397) internal successors, (1355), 1027 states have internal predecessors, (1355), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:25,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1367 transitions. [2022-11-03 03:35:25,411 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1367 transitions. Word has length 346 [2022-11-03 03:35:25,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:25,411 INFO L495 AbstractCegarLoop]: Abstraction has 1035 states and 1367 transitions. [2022-11-03 03:35:25,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1367 transitions. [2022-11-03 03:35:25,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:25,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:25,415 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:25,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:25,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:25,630 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:25,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:25,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1759796385, now seen corresponding path program 1 times [2022-11-03 03:35:25,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:25,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177919116] [2022-11-03 03:35:25,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:25,632 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:25,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:25,633 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:25,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2022-11-03 03:35:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:26,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:26,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:27,303 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:27,303 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:27,304 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:27,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [177919116] [2022-11-03 03:35:27,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [177919116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:27,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:27,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:27,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307402320] [2022-11-03 03:35:27,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:27,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:27,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:27,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:27,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:27,306 INFO L87 Difference]: Start difference. First operand 1035 states and 1367 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:27,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:27,875 INFO L93 Difference]: Finished difference Result 3157 states and 4194 transitions. [2022-11-03 03:35:27,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:27,876 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:27,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:27,881 INFO L225 Difference]: With dead ends: 3157 [2022-11-03 03:35:27,881 INFO L226 Difference]: Without dead ends: 2436 [2022-11-03 03:35:27,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:27,883 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 900 mSDsluCounter, 2020 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 2613 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 76 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:27,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [903 Valid, 2613 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 228 Invalid, 0 Unknown, 76 Unchecked, 0.5s Time] [2022-11-03 03:35:27,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2022-11-03 03:35:27,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 1039. [2022-11-03 03:35:27,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1031 states have (on average 1.3191076624636275) internal successors, (1360), 1031 states have internal predecessors, (1360), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:27,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1372 transitions. [2022-11-03 03:35:27,947 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1372 transitions. Word has length 346 [2022-11-03 03:35:27,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:27,948 INFO L495 AbstractCegarLoop]: Abstraction has 1039 states and 1372 transitions. [2022-11-03 03:35:27,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:27,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1372 transitions. [2022-11-03 03:35:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:27,951 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:27,952 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:27,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:28,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:28,174 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:28,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:28,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1184760801, now seen corresponding path program 1 times [2022-11-03 03:35:28,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:28,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2005140082] [2022-11-03 03:35:28,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:28,177 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:28,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:28,178 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:28,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2022-11-03 03:35:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:29,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:29,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:29,848 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:29,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:29,848 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:29,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2005140082] [2022-11-03 03:35:29,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2005140082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:29,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:29,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:29,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663104919] [2022-11-03 03:35:29,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:29,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:29,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:29,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:29,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:29,850 INFO L87 Difference]: Start difference. First operand 1039 states and 1372 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:30,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:30,396 INFO L93 Difference]: Finished difference Result 3157 states and 4193 transitions. [2022-11-03 03:35:30,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:30,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:30,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:30,400 INFO L225 Difference]: With dead ends: 3157 [2022-11-03 03:35:30,400 INFO L226 Difference]: Without dead ends: 2436 [2022-11-03 03:35:30,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:30,401 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 890 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 2622 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:30,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 2622 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 229 Invalid, 0 Unknown, 77 Unchecked, 0.4s Time] [2022-11-03 03:35:30,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2022-11-03 03:35:30,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 1043. [2022-11-03 03:35:30,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1043 states, 1035 states have (on average 1.318840579710145) internal successors, (1365), 1035 states have internal predecessors, (1365), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:30,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1377 transitions. [2022-11-03 03:35:30,465 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1377 transitions. Word has length 346 [2022-11-03 03:35:30,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:30,466 INFO L495 AbstractCegarLoop]: Abstraction has 1043 states and 1377 transitions. [2022-11-03 03:35:30,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:30,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1377 transitions. [2022-11-03 03:35:30,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:30,470 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:30,470 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:30,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:30,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:30,686 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:30,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:30,686 INFO L85 PathProgramCache]: Analyzing trace with hash -673647261, now seen corresponding path program 1 times [2022-11-03 03:35:30,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:30,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056344505] [2022-11-03 03:35:30,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:30,689 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:30,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:30,690 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:30,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2022-11-03 03:35:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:31,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:31,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:32,387 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:32,388 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:32,388 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:32,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1056344505] [2022-11-03 03:35:32,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1056344505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:32,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:32,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:32,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362752787] [2022-11-03 03:35:32,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:32,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:32,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:32,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:32,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:32,390 INFO L87 Difference]: Start difference. First operand 1043 states and 1377 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:32,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:32,897 INFO L93 Difference]: Finished difference Result 3157 states and 4192 transitions. [2022-11-03 03:35:32,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:32,897 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:32,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:32,901 INFO L225 Difference]: With dead ends: 3157 [2022-11-03 03:35:32,902 INFO L226 Difference]: Without dead ends: 2436 [2022-11-03 03:35:32,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:32,904 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 991 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 2305 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 137 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:32,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [994 Valid, 2305 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 225 Invalid, 0 Unknown, 137 Unchecked, 0.4s Time] [2022-11-03 03:35:32,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2022-11-03 03:35:32,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 1047. [2022-11-03 03:35:32,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 1039 states have (on average 1.318575553416747) internal successors, (1370), 1039 states have internal predecessors, (1370), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:32,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1382 transitions. [2022-11-03 03:35:32,966 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1382 transitions. Word has length 346 [2022-11-03 03:35:32,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:32,967 INFO L495 AbstractCegarLoop]: Abstraction has 1047 states and 1382 transitions. [2022-11-03 03:35:32,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:32,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1382 transitions. [2022-11-03 03:35:32,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:32,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:32,971 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:33,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:33,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:33,186 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:33,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:33,186 INFO L85 PathProgramCache]: Analyzing trace with hash -675481627, now seen corresponding path program 1 times [2022-11-03 03:35:33,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:33,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780650189] [2022-11-03 03:35:33,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:33,188 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:33,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:33,189 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:33,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2022-11-03 03:35:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:34,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:35:34,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:34,338 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 03:35:34,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:35:34,691 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 03:35:34,691 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:34,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780650189] [2022-11-03 03:35:34,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780650189] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:35:34,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1906790997] [2022-11-03 03:35:34,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:34,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:35:34,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:35:34,698 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:35:34,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2022-11-03 03:35:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:35,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:35:36,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:36,214 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:36,215 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:36,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1906790997] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:36,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:35:36,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 03:35:36,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345298931] [2022-11-03 03:35:36,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:36,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:35:36,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:36,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:35:36,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:35:36,218 INFO L87 Difference]: Start difference. First operand 1047 states and 1382 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:36,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:36,632 INFO L93 Difference]: Finished difference Result 2701 states and 3612 transitions. [2022-11-03 03:35:36,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:36,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:36,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:36,636 INFO L225 Difference]: With dead ends: 2701 [2022-11-03 03:35:36,636 INFO L226 Difference]: Without dead ends: 1980 [2022-11-03 03:35:36,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 03:35:36,638 INFO L413 NwaCegarLoop]: 485 mSDtfsCounter, 1614 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1617 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:36,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1617 Valid, 1460 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:35:36,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2022-11-03 03:35:36,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1109. [2022-11-03 03:35:36,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1109 states, 1101 states have (on average 1.3215258855585832) internal successors, (1455), 1101 states have internal predecessors, (1455), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:36,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 1467 transitions. [2022-11-03 03:35:36,704 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 1467 transitions. Word has length 346 [2022-11-03 03:35:36,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:36,705 INFO L495 AbstractCegarLoop]: Abstraction has 1109 states and 1467 transitions. [2022-11-03 03:35:36,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:36,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1467 transitions. [2022-11-03 03:35:36,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:36,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:36,709 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:36,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (42)] Ended with exit code 0 [2022-11-03 03:35:36,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:37,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:35:37,125 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:37,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:37,126 INFO L85 PathProgramCache]: Analyzing trace with hash -921289501, now seen corresponding path program 1 times [2022-11-03 03:35:37,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:37,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [29563902] [2022-11-03 03:35:37,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:37,128 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:37,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:37,129 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:37,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2022-11-03 03:35:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:38,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:38,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:38,837 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:38,838 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:38,838 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:38,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [29563902] [2022-11-03 03:35:38,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [29563902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:38,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:38,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:38,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528134778] [2022-11-03 03:35:38,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:38,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:38,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:38,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:38,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:38,840 INFO L87 Difference]: Start difference. First operand 1109 states and 1467 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:39,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:39,397 INFO L93 Difference]: Finished difference Result 3208 states and 4259 transitions. [2022-11-03 03:35:39,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:39,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:39,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:39,401 INFO L225 Difference]: With dead ends: 3208 [2022-11-03 03:35:39,402 INFO L226 Difference]: Without dead ends: 2455 [2022-11-03 03:35:39,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:39,403 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 921 mSDsluCounter, 1791 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 2230 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 135 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:39,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 2230 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 210 Invalid, 0 Unknown, 135 Unchecked, 0.4s Time] [2022-11-03 03:35:39,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2455 states. [2022-11-03 03:35:39,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2455 to 1115. [2022-11-03 03:35:39,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 1107 states have (on average 1.3206865401987353) internal successors, (1462), 1107 states have internal predecessors, (1462), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:39,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1474 transitions. [2022-11-03 03:35:39,464 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1474 transitions. Word has length 346 [2022-11-03 03:35:39,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:39,465 INFO L495 AbstractCegarLoop]: Abstraction has 1115 states and 1474 transitions. [2022-11-03 03:35:39,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:39,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1474 transitions. [2022-11-03 03:35:39,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:39,469 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:39,469 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:39,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:39,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:39,684 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:39,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:39,685 INFO L85 PathProgramCache]: Analyzing trace with hash -791424923, now seen corresponding path program 1 times [2022-11-03 03:35:39,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:39,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [146714054] [2022-11-03 03:35:39,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:39,687 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:39,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:39,689 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:39,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2022-11-03 03:35:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:40,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:40,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:41,516 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:41,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:41,517 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:41,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [146714054] [2022-11-03 03:35:41,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [146714054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:41,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:41,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:41,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96361753] [2022-11-03 03:35:41,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:41,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:41,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:41,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:41,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:41,520 INFO L87 Difference]: Start difference. First operand 1115 states and 1474 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:42,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:42,071 INFO L93 Difference]: Finished difference Result 3285 states and 4371 transitions. [2022-11-03 03:35:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:42,071 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:42,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:42,076 INFO L225 Difference]: With dead ends: 3285 [2022-11-03 03:35:42,076 INFO L226 Difference]: Without dead ends: 2532 [2022-11-03 03:35:42,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:42,078 INFO L413 NwaCegarLoop]: 615 mSDtfsCounter, 857 mSDsluCounter, 2053 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 2668 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 108 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:42,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 2668 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 236 Invalid, 0 Unknown, 108 Unchecked, 0.4s Time] [2022-11-03 03:35:42,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2022-11-03 03:35:42,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 1119. [2022-11-03 03:35:42,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 1111 states have (on average 1.3204320432043204) internal successors, (1467), 1111 states have internal predecessors, (1467), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:42,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1479 transitions. [2022-11-03 03:35:42,159 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1479 transitions. Word has length 346 [2022-11-03 03:35:42,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:42,159 INFO L495 AbstractCegarLoop]: Abstraction has 1119 states and 1479 transitions. [2022-11-03 03:35:42,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:42,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1479 transitions. [2022-11-03 03:35:42,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:42,163 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:42,164 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:42,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (45)] Ended with exit code 0 [2022-11-03 03:35:42,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:42,378 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:42,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:42,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1512344345, now seen corresponding path program 1 times [2022-11-03 03:35:42,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:42,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1703097120] [2022-11-03 03:35:42,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:42,381 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:42,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:42,382 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:42,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2022-11-03 03:35:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:43,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:43,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:44,121 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:44,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:44,121 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:44,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1703097120] [2022-11-03 03:35:44,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1703097120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:44,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:44,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:44,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211574525] [2022-11-03 03:35:44,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:44,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:44,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:44,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:44,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:44,125 INFO L87 Difference]: Start difference. First operand 1119 states and 1479 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:44,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:44,635 INFO L93 Difference]: Finished difference Result 3200 states and 4245 transitions. [2022-11-03 03:35:44,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:44,636 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:44,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:44,639 INFO L225 Difference]: With dead ends: 3200 [2022-11-03 03:35:44,640 INFO L226 Difference]: Without dead ends: 2447 [2022-11-03 03:35:44,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:44,642 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 888 mSDsluCounter, 1774 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 891 SdHoareTripleChecker+Valid, 2211 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 67 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:44,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [891 Valid, 2211 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 211 Invalid, 0 Unknown, 67 Unchecked, 0.4s Time] [2022-11-03 03:35:44,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2447 states. [2022-11-03 03:35:44,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2447 to 1123. [2022-11-03 03:35:44,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1115 states have (on average 1.3201793721973094) internal successors, (1472), 1115 states have internal predecessors, (1472), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:44,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1484 transitions. [2022-11-03 03:35:44,705 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1484 transitions. Word has length 346 [2022-11-03 03:35:44,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:44,705 INFO L495 AbstractCegarLoop]: Abstraction has 1123 states and 1484 transitions. [2022-11-03 03:35:44,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:44,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1484 transitions. [2022-11-03 03:35:44,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:44,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:44,709 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:44,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (46)] Ended with exit code 0 [2022-11-03 03:35:44,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:44,926 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:44,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:44,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1507699305, now seen corresponding path program 1 times [2022-11-03 03:35:44,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:44,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1491612313] [2022-11-03 03:35:44,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:44,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:44,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:44,930 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:44,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2022-11-03 03:35:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:45,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:45,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:46,843 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:46,843 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:46,843 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:46,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1491612313] [2022-11-03 03:35:46,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1491612313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:46,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:46,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:46,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143784638] [2022-11-03 03:35:46,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:46,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:46,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:46,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:46,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:46,847 INFO L87 Difference]: Start difference. First operand 1123 states and 1484 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:47,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:47,424 INFO L93 Difference]: Finished difference Result 3285 states and 4369 transitions. [2022-11-03 03:35:47,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:47,425 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:47,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:47,427 INFO L225 Difference]: With dead ends: 3285 [2022-11-03 03:35:47,427 INFO L226 Difference]: Without dead ends: 2532 [2022-11-03 03:35:47,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:47,428 INFO L413 NwaCegarLoop]: 635 mSDtfsCounter, 824 mSDsluCounter, 2083 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 2718 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 122 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:47,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 2718 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 242 Invalid, 0 Unknown, 122 Unchecked, 0.5s Time] [2022-11-03 03:35:47,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2022-11-03 03:35:47,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 1131. [2022-11-03 03:35:47,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 1123 states have (on average 1.3205699020480854) internal successors, (1483), 1123 states have internal predecessors, (1483), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:47,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1495 transitions. [2022-11-03 03:35:47,491 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1495 transitions. Word has length 346 [2022-11-03 03:35:47,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:47,492 INFO L495 AbstractCegarLoop]: Abstraction has 1131 states and 1495 transitions. [2022-11-03 03:35:47,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:47,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1495 transitions. [2022-11-03 03:35:47,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:47,496 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:47,496 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:47,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (47)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:47,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:47,710 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:47,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:47,710 INFO L85 PathProgramCache]: Analyzing trace with hash -773422613, now seen corresponding path program 1 times [2022-11-03 03:35:47,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:47,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1932388150] [2022-11-03 03:35:47,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:47,712 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:47,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:47,713 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:47,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2022-11-03 03:35:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:48,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:48,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:49,514 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:49,514 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:49,514 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:49,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1932388150] [2022-11-03 03:35:49,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1932388150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:49,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:49,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:49,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757601572] [2022-11-03 03:35:49,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:49,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:49,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:49,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:49,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:49,517 INFO L87 Difference]: Start difference. First operand 1131 states and 1495 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:50,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:50,108 INFO L93 Difference]: Finished difference Result 3285 states and 4368 transitions. [2022-11-03 03:35:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:50,109 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:50,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:50,111 INFO L225 Difference]: With dead ends: 3285 [2022-11-03 03:35:50,111 INFO L226 Difference]: Without dead ends: 2532 [2022-11-03 03:35:50,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:50,113 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 814 mSDsluCounter, 2086 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 2725 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 99 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:50,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 2725 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 243 Invalid, 0 Unknown, 99 Unchecked, 0.5s Time] [2022-11-03 03:35:50,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2022-11-03 03:35:50,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 1135. [2022-11-03 03:35:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 1127 states have (on average 1.3203194321206744) internal successors, (1488), 1127 states have internal predecessors, (1488), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:50,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1500 transitions. [2022-11-03 03:35:50,161 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1500 transitions. Word has length 346 [2022-11-03 03:35:50,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:50,161 INFO L495 AbstractCegarLoop]: Abstraction has 1135 states and 1500 transitions. [2022-11-03 03:35:50,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:50,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1500 transitions. [2022-11-03 03:35:50,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:50,165 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:50,165 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:50,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (48)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:50,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:50,389 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:50,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:50,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1736141421, now seen corresponding path program 1 times [2022-11-03 03:35:50,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:50,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1571115936] [2022-11-03 03:35:50,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:50,391 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:50,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:50,393 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:50,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2022-11-03 03:35:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:51,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:51,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:52,275 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:52,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:52,275 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:52,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1571115936] [2022-11-03 03:35:52,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1571115936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:52,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:52,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:52,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150678712] [2022-11-03 03:35:52,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:52,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:52,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:52,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:52,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:52,277 INFO L87 Difference]: Start difference. First operand 1135 states and 1500 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:52,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:52,799 INFO L93 Difference]: Finished difference Result 3184 states and 4218 transitions. [2022-11-03 03:35:52,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:52,800 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:52,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:52,802 INFO L225 Difference]: With dead ends: 3184 [2022-11-03 03:35:52,803 INFO L226 Difference]: Without dead ends: 2431 [2022-11-03 03:35:52,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:52,804 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 820 mSDsluCounter, 1754 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 2193 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 91 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:52,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 2193 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 211 Invalid, 0 Unknown, 91 Unchecked, 0.4s Time] [2022-11-03 03:35:52,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2431 states. [2022-11-03 03:35:52,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2431 to 1139. [2022-11-03 03:35:52,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1131 states have (on average 1.3200707338638373) internal successors, (1493), 1131 states have internal predecessors, (1493), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:52,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1505 transitions. [2022-11-03 03:35:52,868 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1505 transitions. Word has length 346 [2022-11-03 03:35:52,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:52,869 INFO L495 AbstractCegarLoop]: Abstraction has 1139 states and 1505 transitions. [2022-11-03 03:35:52,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:52,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1505 transitions. [2022-11-03 03:35:52,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:52,872 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:52,873 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:52,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (49)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:53,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:53,086 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:53,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:53,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1655905297, now seen corresponding path program 1 times [2022-11-03 03:35:53,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:53,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [878524364] [2022-11-03 03:35:53,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:53,089 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:53,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:53,090 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:53,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2022-11-03 03:35:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:54,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:35:54,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:55,282 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:55,282 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:55,283 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:55,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [878524364] [2022-11-03 03:35:55,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [878524364] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:55,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:55,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:35:55,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736023466] [2022-11-03 03:35:55,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:55,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:35:55,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:55,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:35:55,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:35:55,285 INFO L87 Difference]: Start difference. First operand 1139 states and 1505 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:55,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:55,853 INFO L93 Difference]: Finished difference Result 3285 states and 4366 transitions. [2022-11-03 03:35:55,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:55,854 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:55,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:55,856 INFO L225 Difference]: With dead ends: 3285 [2022-11-03 03:35:55,856 INFO L226 Difference]: Without dead ends: 2532 [2022-11-03 03:35:55,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:35:55,857 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 793 mSDsluCounter, 2102 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 2751 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 69 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:55,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 2751 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 245 Invalid, 0 Unknown, 69 Unchecked, 0.5s Time] [2022-11-03 03:35:55,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2022-11-03 03:35:55,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 1143. [2022-11-03 03:35:55,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 1135 states have (on average 1.3198237885462556) internal successors, (1498), 1135 states have internal predecessors, (1498), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:55,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1510 transitions. [2022-11-03 03:35:55,900 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1510 transitions. Word has length 346 [2022-11-03 03:35:55,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:55,900 INFO L495 AbstractCegarLoop]: Abstraction has 1143 states and 1510 transitions. [2022-11-03 03:35:55,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:55,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1510 transitions. [2022-11-03 03:35:55,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:55,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:55,904 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:55,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (50)] Ended with exit code 0 [2022-11-03 03:35:56,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:35:56,126 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:35:56,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:56,126 INFO L85 PathProgramCache]: Analyzing trace with hash -498373007, now seen corresponding path program 1 times [2022-11-03 03:35:56,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:35:56,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465359337] [2022-11-03 03:35:56,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:56,128 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:35:56,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:35:56,132 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:35:56,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (51)] Waiting until timeout for monitored process [2022-11-03 03:35:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:57,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:35:57,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 03:35:57,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:35:57,738 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 03:35:57,738 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:35:57,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [465359337] [2022-11-03 03:35:57,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [465359337] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:35:57,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1100344778] [2022-11-03 03:35:57,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:57,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:35:57,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:35:57,740 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:35:57,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2022-11-03 03:35:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:59,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:35:59,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:59,240 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:35:59,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:35:59,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1100344778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:59,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:35:59,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 03:35:59,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069311012] [2022-11-03 03:35:59,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:59,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:35:59,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:35:59,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:35:59,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:35:59,242 INFO L87 Difference]: Start difference. First operand 1143 states and 1510 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:59,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:59,604 INFO L93 Difference]: Finished difference Result 2829 states and 3786 transitions. [2022-11-03 03:35:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:35:59,605 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:35:59,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:59,607 INFO L225 Difference]: With dead ends: 2829 [2022-11-03 03:35:59,607 INFO L226 Difference]: Without dead ends: 2076 [2022-11-03 03:35:59,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 03:35:59,609 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 1585 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:59,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1588 Valid, 1493 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:35:59,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2022-11-03 03:35:59,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 1205. [2022-11-03 03:35:59,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 1197 states have (on average 1.3224728487886384) internal successors, (1583), 1197 states have internal predecessors, (1583), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:35:59,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1595 transitions. [2022-11-03 03:35:59,649 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1595 transitions. Word has length 346 [2022-11-03 03:35:59,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:59,649 INFO L495 AbstractCegarLoop]: Abstraction has 1205 states and 1595 transitions. [2022-11-03 03:35:59,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:35:59,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1595 transitions. [2022-11-03 03:35:59,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:35:59,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:59,653 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:59,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (51)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:59,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2022-11-03 03:36:00,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:36:00,078 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:00,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:00,079 INFO L85 PathProgramCache]: Analyzing trace with hash 2038967151, now seen corresponding path program 1 times [2022-11-03 03:36:00,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:00,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [56067415] [2022-11-03 03:36:00,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:00,081 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:00,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:00,083 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:00,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (53)] Waiting until timeout for monitored process [2022-11-03 03:36:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:01,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:36:01,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:02,143 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:02,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:02,144 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:02,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [56067415] [2022-11-03 03:36:02,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [56067415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:02,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:02,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:02,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161444714] [2022-11-03 03:36:02,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:02,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:02,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:02,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:02,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:02,146 INFO L87 Difference]: Start difference. First operand 1205 states and 1595 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:02,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:02,732 INFO L93 Difference]: Finished difference Result 3413 states and 4546 transitions. [2022-11-03 03:36:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:02,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:02,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:02,735 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 03:36:02,735 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 03:36:02,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:02,736 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 893 mSDsluCounter, 1898 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 2442 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 135 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:02,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [896 Valid, 2442 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 244 Invalid, 0 Unknown, 135 Unchecked, 0.5s Time] [2022-11-03 03:36:02,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 03:36:02,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1211. [2022-11-03 03:36:02,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1203 states have (on average 1.3216957605985038) internal successors, (1590), 1203 states have internal predecessors, (1590), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:02,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1602 transitions. [2022-11-03 03:36:02,779 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1602 transitions. Word has length 346 [2022-11-03 03:36:02,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:02,779 INFO L495 AbstractCegarLoop]: Abstraction has 1211 states and 1602 transitions. [2022-11-03 03:36:02,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1602 transitions. [2022-11-03 03:36:02,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:02,783 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:02,783 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:02,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (53)] Ended with exit code 0 [2022-11-03 03:36:02,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:02,996 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:02,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:02,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1222919921, now seen corresponding path program 1 times [2022-11-03 03:36:02,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:02,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1882788287] [2022-11-03 03:36:02,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:02,999 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:02,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:03,000 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:03,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (54)] Waiting until timeout for monitored process [2022-11-03 03:36:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:03,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:36:03,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:05,006 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:05,006 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:05,006 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:05,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1882788287] [2022-11-03 03:36:05,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1882788287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:05,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:05,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:05,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775384451] [2022-11-03 03:36:05,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:05,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:05,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:05,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:05,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:05,009 INFO L87 Difference]: Start difference. First operand 1211 states and 1602 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:05,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:05,622 INFO L93 Difference]: Finished difference Result 3413 states and 4545 transitions. [2022-11-03 03:36:05,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:05,622 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:05,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:05,625 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 03:36:05,625 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 03:36:05,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:05,627 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 882 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 2460 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 153 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:05,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 2460 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 247 Invalid, 0 Unknown, 153 Unchecked, 0.5s Time] [2022-11-03 03:36:05,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 03:36:05,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1215. [2022-11-03 03:36:05,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 1207 states have (on average 1.3214581607290803) internal successors, (1595), 1207 states have internal predecessors, (1595), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:05,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1607 transitions. [2022-11-03 03:36:05,696 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1607 transitions. Word has length 346 [2022-11-03 03:36:05,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:05,697 INFO L495 AbstractCegarLoop]: Abstraction has 1215 states and 1607 transitions. [2022-11-03 03:36:05,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:05,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1607 transitions. [2022-11-03 03:36:05,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:05,700 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:05,701 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:05,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (54)] Forceful destruction successful, exit code 0 [2022-11-03 03:36:05,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:05,914 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:05,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:05,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1242461043, now seen corresponding path program 1 times [2022-11-03 03:36:05,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:05,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514407447] [2022-11-03 03:36:05,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:05,917 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:05,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:05,918 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:05,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (55)] Waiting until timeout for monitored process [2022-11-03 03:36:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:07,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:36:07,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:08,154 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:08,155 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:08,155 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:08,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1514407447] [2022-11-03 03:36:08,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1514407447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:08,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:08,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:08,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662066137] [2022-11-03 03:36:08,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:08,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:08,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:08,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:08,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:08,157 INFO L87 Difference]: Start difference. First operand 1215 states and 1607 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:08,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:08,753 INFO L93 Difference]: Finished difference Result 3413 states and 4544 transitions. [2022-11-03 03:36:08,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:08,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:08,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:08,757 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 03:36:08,757 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 03:36:08,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:08,759 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 871 mSDsluCounter, 1915 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 2471 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 86 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:08,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [874 Valid, 2471 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 247 Invalid, 0 Unknown, 86 Unchecked, 0.5s Time] [2022-11-03 03:36:08,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 03:36:08,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1219. [2022-11-03 03:36:08,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 1211 states have (on average 1.3212221304706855) internal successors, (1600), 1211 states have internal predecessors, (1600), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:08,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1612 transitions. [2022-11-03 03:36:08,800 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1612 transitions. Word has length 346 [2022-11-03 03:36:08,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:08,800 INFO L495 AbstractCegarLoop]: Abstraction has 1219 states and 1612 transitions. [2022-11-03 03:36:08,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:08,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1612 transitions. [2022-11-03 03:36:08,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:08,803 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:08,803 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:08,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (55)] Ended with exit code 0 [2022-11-03 03:36:09,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:09,004 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:09,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:09,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1891053813, now seen corresponding path program 1 times [2022-11-03 03:36:09,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:09,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112949904] [2022-11-03 03:36:09,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:09,006 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:09,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:09,007 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:09,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (56)] Waiting until timeout for monitored process [2022-11-03 03:36:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:09,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:36:09,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:10,947 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:10,948 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:10,948 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:10,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [112949904] [2022-11-03 03:36:10,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [112949904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:10,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:10,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:10,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722426902] [2022-11-03 03:36:10,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:10,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:10,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:10,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:10,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:10,950 INFO L87 Difference]: Start difference. First operand 1219 states and 1612 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:11,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:11,529 INFO L93 Difference]: Finished difference Result 3413 states and 4543 transitions. [2022-11-03 03:36:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:11,530 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:11,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:11,532 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 03:36:11,532 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 03:36:11,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:11,533 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 850 mSDsluCounter, 1937 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 2505 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 133 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:11,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [853 Valid, 2505 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 251 Invalid, 0 Unknown, 133 Unchecked, 0.5s Time] [2022-11-03 03:36:11,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 03:36:11,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1227. [2022-11-03 03:36:11,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 1219 states have (on average 1.3215750615258408) internal successors, (1611), 1219 states have internal predecessors, (1611), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:11,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1623 transitions. [2022-11-03 03:36:11,600 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1623 transitions. Word has length 346 [2022-11-03 03:36:11,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:11,601 INFO L495 AbstractCegarLoop]: Abstraction has 1227 states and 1623 transitions. [2022-11-03 03:36:11,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:11,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1623 transitions. [2022-11-03 03:36:11,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:11,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:11,604 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:11,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (56)] Forceful destruction successful, exit code 0 [2022-11-03 03:36:11,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:11,818 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:11,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:11,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1905356681, now seen corresponding path program 1 times [2022-11-03 03:36:11,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:11,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [26004904] [2022-11-03 03:36:11,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:11,820 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:11,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:11,821 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:11,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (57)] Waiting until timeout for monitored process [2022-11-03 03:36:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:12,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:36:12,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:13,915 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:13,915 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:13,915 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:13,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [26004904] [2022-11-03 03:36:13,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [26004904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:13,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:13,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:13,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520514548] [2022-11-03 03:36:13,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:13,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:13,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:13,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:13,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:13,917 INFO L87 Difference]: Start difference. First operand 1227 states and 1623 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:14,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:14,415 INFO L93 Difference]: Finished difference Result 3252 states and 4304 transitions. [2022-11-03 03:36:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:14,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:14,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:14,418 INFO L225 Difference]: With dead ends: 3252 [2022-11-03 03:36:14,418 INFO L226 Difference]: Without dead ends: 2467 [2022-11-03 03:36:14,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:14,420 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 591 mSDsluCounter, 1927 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 2477 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 87 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:14,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 2477 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 87 Unchecked, 0.4s Time] [2022-11-03 03:36:14,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2022-11-03 03:36:14,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 1231. [2022-11-03 03:36:14,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1223 states have (on average 1.321340964840556) internal successors, (1616), 1223 states have internal predecessors, (1616), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:14,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1628 transitions. [2022-11-03 03:36:14,474 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1628 transitions. Word has length 346 [2022-11-03 03:36:14,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:14,475 INFO L495 AbstractCegarLoop]: Abstraction has 1231 states and 1628 transitions. [2022-11-03 03:36:14,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:14,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1628 transitions. [2022-11-03 03:36:14,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:14,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:14,477 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:14,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (57)] Ended with exit code 0 [2022-11-03 03:36:14,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:14,679 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:14,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:14,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1237974791, now seen corresponding path program 1 times [2022-11-03 03:36:14,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:14,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2117038045] [2022-11-03 03:36:14,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:14,681 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:14,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:14,686 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:14,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (58)] Waiting until timeout for monitored process [2022-11-03 03:36:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:15,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:36:15,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:16,673 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:16,673 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:16,673 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:16,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2117038045] [2022-11-03 03:36:16,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2117038045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:16,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:16,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:16,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817335510] [2022-11-03 03:36:16,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:16,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:16,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:16,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:16,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:16,675 INFO L87 Difference]: Start difference. First operand 1231 states and 1628 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:17,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:17,260 INFO L93 Difference]: Finished difference Result 3413 states and 4541 transitions. [2022-11-03 03:36:17,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:17,261 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:17,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:17,263 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 03:36:17,263 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 03:36:17,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:17,264 INFO L413 NwaCegarLoop]: 580 mSDtfsCounter, 828 mSDsluCounter, 1951 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 2531 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 107 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:17,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 2531 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 255 Invalid, 0 Unknown, 107 Unchecked, 0.5s Time] [2022-11-03 03:36:17,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 03:36:17,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1235. [2022-11-03 03:36:17,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1235 states, 1227 states have (on average 1.3211083944580277) internal successors, (1621), 1227 states have internal predecessors, (1621), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:17,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1633 transitions. [2022-11-03 03:36:17,324 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1633 transitions. Word has length 346 [2022-11-03 03:36:17,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:17,324 INFO L495 AbstractCegarLoop]: Abstraction has 1235 states and 1633 transitions. [2022-11-03 03:36:17,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:17,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1633 transitions. [2022-11-03 03:36:17,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:17,327 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:17,328 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:17,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (58)] Ended with exit code 0 [2022-11-03 03:36:17,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:17,541 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:17,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:17,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1287520891, now seen corresponding path program 1 times [2022-11-03 03:36:17,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:17,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [386427397] [2022-11-03 03:36:17,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:17,543 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:17,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:17,544 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:17,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (59)] Waiting until timeout for monitored process [2022-11-03 03:36:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:18,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:36:18,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:19,659 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:19,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:19,660 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:19,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [386427397] [2022-11-03 03:36:19,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [386427397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:19,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:19,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:19,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253510248] [2022-11-03 03:36:19,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:19,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:19,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:19,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:19,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:19,662 INFO L87 Difference]: Start difference. First operand 1235 states and 1633 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:20,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:20,217 INFO L93 Difference]: Finished difference Result 3244 states and 4290 transitions. [2022-11-03 03:36:20,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:20,218 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:20,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:20,219 INFO L225 Difference]: With dead ends: 3244 [2022-11-03 03:36:20,219 INFO L226 Difference]: Without dead ends: 2459 [2022-11-03 03:36:20,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:20,221 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 556 mSDsluCounter, 1918 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 2470 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 67 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:20,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 2470 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 67 Unchecked, 0.4s Time] [2022-11-03 03:36:20,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2459 states. [2022-11-03 03:36:20,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2459 to 1239. [2022-11-03 03:36:20,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1231 states have (on average 1.3208773354995937) internal successors, (1626), 1231 states have internal predecessors, (1626), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:20,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1638 transitions. [2022-11-03 03:36:20,274 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1638 transitions. Word has length 346 [2022-11-03 03:36:20,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:20,275 INFO L495 AbstractCegarLoop]: Abstraction has 1239 states and 1638 transitions. [2022-11-03 03:36:20,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:20,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1638 transitions. [2022-11-03 03:36:20,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:20,278 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:20,279 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:20,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (59)] Ended with exit code 0 [2022-11-03 03:36:20,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:20,494 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:20,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:20,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1560865539, now seen corresponding path program 1 times [2022-11-03 03:36:20,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:20,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1360658965] [2022-11-03 03:36:20,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:20,497 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:20,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:20,498 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:20,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (60)] Waiting until timeout for monitored process [2022-11-03 03:36:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:21,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:36:21,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:21,751 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 03:36:21,751 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:36:22,188 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 03:36:22,188 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:22,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1360658965] [2022-11-03 03:36:22,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1360658965] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:36:22,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1013665054] [2022-11-03 03:36:22,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:22,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:36:22,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:36:22,194 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:36:22,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2022-11-03 03:36:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:23,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:36:23,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:23,720 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:23,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:23,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1013665054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:23,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:36:23,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 03:36:23,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942554210] [2022-11-03 03:36:23,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:23,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:36:23,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:23,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:36:23,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:36:23,723 INFO L87 Difference]: Start difference. First operand 1239 states and 1638 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:24,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:24,117 INFO L93 Difference]: Finished difference Result 2957 states and 3960 transitions. [2022-11-03 03:36:24,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:24,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:24,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:24,120 INFO L225 Difference]: With dead ends: 2957 [2022-11-03 03:36:24,120 INFO L226 Difference]: Without dead ends: 2172 [2022-11-03 03:36:24,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 03:36:24,122 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 1544 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:24,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1547 Valid, 1540 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:36:24,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2022-11-03 03:36:24,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 1301. [2022-11-03 03:36:24,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1301 states, 1293 states have (on average 1.3232791956689869) internal successors, (1711), 1293 states have internal predecessors, (1711), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:24,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1723 transitions. [2022-11-03 03:36:24,205 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 1723 transitions. Word has length 346 [2022-11-03 03:36:24,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:24,205 INFO L495 AbstractCegarLoop]: Abstraction has 1301 states and 1723 transitions. [2022-11-03 03:36:24,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:24,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1723 transitions. [2022-11-03 03:36:24,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:24,207 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:24,208 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:24,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (60)] Ended with exit code 0 [2022-11-03 03:36:24,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2022-11-03 03:36:24,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:36:24,608 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:24,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:24,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1946727941, now seen corresponding path program 1 times [2022-11-03 03:36:24,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:24,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [985100901] [2022-11-03 03:36:24,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:24,610 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:24,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:24,611 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:24,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (62)] Waiting until timeout for monitored process [2022-11-03 03:36:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:25,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:36:25,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:26,712 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:26,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:26,713 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:26,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [985100901] [2022-11-03 03:36:26,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [985100901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:26,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:26,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:26,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71668035] [2022-11-03 03:36:26,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:26,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:26,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:26,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:26,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:26,714 INFO L87 Difference]: Start difference. First operand 1301 states and 1723 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:27,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:27,262 INFO L93 Difference]: Finished difference Result 3336 states and 4417 transitions. [2022-11-03 03:36:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:27,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:27,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:27,266 INFO L225 Difference]: With dead ends: 3336 [2022-11-03 03:36:27,266 INFO L226 Difference]: Without dead ends: 2519 [2022-11-03 03:36:27,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:27,268 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 539 mSDsluCounter, 1912 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 71 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:27,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 2464 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 216 Invalid, 0 Unknown, 71 Unchecked, 0.4s Time] [2022-11-03 03:36:27,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2022-11-03 03:36:27,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 1307. [2022-11-03 03:36:27,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1307 states, 1299 states have (on average 1.3225558121632024) internal successors, (1718), 1299 states have internal predecessors, (1718), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:27,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1307 states and 1730 transitions. [2022-11-03 03:36:27,329 INFO L78 Accepts]: Start accepts. Automaton has 1307 states and 1730 transitions. Word has length 346 [2022-11-03 03:36:27,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:27,330 INFO L495 AbstractCegarLoop]: Abstraction has 1307 states and 1730 transitions. [2022-11-03 03:36:27,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:27,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1730 transitions. [2022-11-03 03:36:27,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:27,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:27,334 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:27,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (62)] Ended with exit code 0 [2022-11-03 03:36:27,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:27,550 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:27,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:27,551 INFO L85 PathProgramCache]: Analyzing trace with hash -15602307, now seen corresponding path program 1 times [2022-11-03 03:36:27,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:27,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1302620807] [2022-11-03 03:36:27,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:27,552 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:27,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:27,553 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:27,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (63)] Waiting until timeout for monitored process [2022-11-03 03:36:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:28,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:36:28,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:29,720 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:29,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:29,721 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:29,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1302620807] [2022-11-03 03:36:29,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1302620807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:29,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:29,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:29,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023703306] [2022-11-03 03:36:29,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:29,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:29,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:29,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:29,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:29,722 INFO L87 Difference]: Start difference. First operand 1307 states and 1730 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:30,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:30,360 INFO L93 Difference]: Finished difference Result 3541 states and 4719 transitions. [2022-11-03 03:36:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:30,361 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:30,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:30,363 INFO L225 Difference]: With dead ends: 3541 [2022-11-03 03:36:30,364 INFO L226 Difference]: Without dead ends: 2724 [2022-11-03 03:36:30,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:30,365 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 795 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 2580 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 138 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:30,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [798 Valid, 2580 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 262 Invalid, 0 Unknown, 138 Unchecked, 0.5s Time] [2022-11-03 03:36:30,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2022-11-03 03:36:30,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 1311. [2022-11-03 03:36:30,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 1303 states have (on average 1.3223330775134305) internal successors, (1723), 1303 states have internal predecessors, (1723), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:30,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1735 transitions. [2022-11-03 03:36:30,436 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1735 transitions. Word has length 346 [2022-11-03 03:36:30,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:30,437 INFO L495 AbstractCegarLoop]: Abstraction has 1311 states and 1735 transitions. [2022-11-03 03:36:30,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:30,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1735 transitions. [2022-11-03 03:36:30,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:30,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:30,441 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:30,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (63)] Forceful destruction successful, exit code 0 [2022-11-03 03:36:30,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:30,654 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:30,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:30,654 INFO L85 PathProgramCache]: Analyzing trace with hash 410952191, now seen corresponding path program 1 times [2022-11-03 03:36:30,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:30,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533195580] [2022-11-03 03:36:30,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:30,657 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:30,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:30,658 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:30,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (64)] Waiting until timeout for monitored process [2022-11-03 03:36:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:31,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:36:31,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:32,785 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:32,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:32,785 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:32,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [533195580] [2022-11-03 03:36:32,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [533195580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:32,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:32,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:32,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827760363] [2022-11-03 03:36:32,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:32,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:32,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:32,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:32,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:32,787 INFO L87 Difference]: Start difference. First operand 1311 states and 1735 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:33,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:33,464 INFO L93 Difference]: Finished difference Result 3541 states and 4718 transitions. [2022-11-03 03:36:33,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:33,465 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:33,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:33,467 INFO L225 Difference]: With dead ends: 3541 [2022-11-03 03:36:33,467 INFO L226 Difference]: Without dead ends: 2724 [2022-11-03 03:36:33,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:33,469 INFO L413 NwaCegarLoop]: 719 mSDtfsCounter, 671 mSDsluCounter, 2210 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 2929 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 118 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:33,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 2929 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 271 Invalid, 0 Unknown, 118 Unchecked, 0.5s Time] [2022-11-03 03:36:33,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2022-11-03 03:36:33,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 1315. [2022-11-03 03:36:33,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1315 states, 1307 states have (on average 1.3221117061973986) internal successors, (1728), 1307 states have internal predecessors, (1728), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:33,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1740 transitions. [2022-11-03 03:36:33,523 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1740 transitions. Word has length 346 [2022-11-03 03:36:33,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:33,524 INFO L495 AbstractCegarLoop]: Abstraction has 1315 states and 1740 transitions. [2022-11-03 03:36:33,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:33,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1740 transitions. [2022-11-03 03:36:33,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:33,527 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:33,527 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:33,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (64)] Ended with exit code 0 [2022-11-03 03:36:33,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:33,728 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:33,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:33,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1376917631, now seen corresponding path program 1 times [2022-11-03 03:36:33,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:33,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231197308] [2022-11-03 03:36:33,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:33,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:33,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:33,731 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:33,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (65)] Waiting until timeout for monitored process [2022-11-03 03:36:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:34,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:36:34,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:35,857 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:35,857 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:35,857 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:35,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231197308] [2022-11-03 03:36:35,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [231197308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:35,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:35,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:35,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700209515] [2022-11-03 03:36:35,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:35,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:35,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:35,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:35,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:35,860 INFO L87 Difference]: Start difference. First operand 1315 states and 1740 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:36,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:36,360 INFO L93 Difference]: Finished difference Result 3320 states and 4390 transitions. [2022-11-03 03:36:36,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:36,361 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:36,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:36,363 INFO L225 Difference]: With dead ends: 3320 [2022-11-03 03:36:36,363 INFO L226 Difference]: Without dead ends: 2503 [2022-11-03 03:36:36,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:36,364 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 584 mSDsluCounter, 1670 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 2109 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 76 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:36,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 2109 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 210 Invalid, 0 Unknown, 76 Unchecked, 0.4s Time] [2022-11-03 03:36:36,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2022-11-03 03:36:36,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 1323. [2022-11-03 03:36:36,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1315 states have (on average 1.3224334600760457) internal successors, (1739), 1315 states have internal predecessors, (1739), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:36,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1751 transitions. [2022-11-03 03:36:36,409 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1751 transitions. Word has length 346 [2022-11-03 03:36:36,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:36,409 INFO L495 AbstractCegarLoop]: Abstraction has 1323 states and 1751 transitions. [2022-11-03 03:36:36,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:36,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1751 transitions. [2022-11-03 03:36:36,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:36,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:36,412 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:36,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (65)] Ended with exit code 0 [2022-11-03 03:36:36,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:36,613 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:36,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:36,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1921790205, now seen corresponding path program 1 times [2022-11-03 03:36:36,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:36,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1303246129] [2022-11-03 03:36:36,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:36,614 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:36,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:36,615 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:36,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (66)] Waiting until timeout for monitored process [2022-11-03 03:36:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:37,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:36:37,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:38,800 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:38,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:38,800 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:38,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1303246129] [2022-11-03 03:36:38,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1303246129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:38,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:38,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:38,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980398816] [2022-11-03 03:36:38,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:38,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:38,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:38,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:38,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:38,802 INFO L87 Difference]: Start difference. First operand 1323 states and 1751 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:39,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:39,424 INFO L93 Difference]: Finished difference Result 3541 states and 4716 transitions. [2022-11-03 03:36:39,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:39,424 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:39,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:39,426 INFO L225 Difference]: With dead ends: 3541 [2022-11-03 03:36:39,427 INFO L226 Difference]: Without dead ends: 2724 [2022-11-03 03:36:39,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:39,428 INFO L413 NwaCegarLoop]: 733 mSDtfsCounter, 641 mSDsluCounter, 2229 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 2962 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 113 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:39,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 2962 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 273 Invalid, 0 Unknown, 113 Unchecked, 0.5s Time] [2022-11-03 03:36:39,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2022-11-03 03:36:39,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 1327. [2022-11-03 03:36:39,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1327 states, 1319 states have (on average 1.3222137983320696) internal successors, (1744), 1319 states have internal predecessors, (1744), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:39,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1756 transitions. [2022-11-03 03:36:39,501 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1756 transitions. Word has length 346 [2022-11-03 03:36:39,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:39,502 INFO L495 AbstractCegarLoop]: Abstraction has 1327 states and 1756 transitions. [2022-11-03 03:36:39,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:39,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1756 transitions. [2022-11-03 03:36:39,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:39,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:39,506 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:39,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (66)] Ended with exit code 0 [2022-11-03 03:36:39,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:39,730 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:39,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:39,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1938671493, now seen corresponding path program 1 times [2022-11-03 03:36:39,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:39,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1697297179] [2022-11-03 03:36:39,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:39,733 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:39,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:39,734 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:39,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (67)] Waiting until timeout for monitored process [2022-11-03 03:36:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:40,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:36:40,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:41,521 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:41,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:41,522 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:41,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1697297179] [2022-11-03 03:36:41,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1697297179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:41,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:41,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:41,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046939975] [2022-11-03 03:36:41,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:41,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:41,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:41,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:41,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:41,524 INFO L87 Difference]: Start difference. First operand 1327 states and 1756 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:42,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:42,033 INFO L93 Difference]: Finished difference Result 3312 states and 4376 transitions. [2022-11-03 03:36:42,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:42,034 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:42,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:42,037 INFO L225 Difference]: With dead ends: 3312 [2022-11-03 03:36:42,037 INFO L226 Difference]: Without dead ends: 2495 [2022-11-03 03:36:42,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:42,038 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 438 mSDsluCounter, 1877 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 2429 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 71 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:42,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 2429 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 71 Unchecked, 0.4s Time] [2022-11-03 03:36:42,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2022-11-03 03:36:42,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 1331. [2022-11-03 03:36:42,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1331 states, 1323 states have (on average 1.3219954648526078) internal successors, (1749), 1323 states have internal predecessors, (1749), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:42,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1761 transitions. [2022-11-03 03:36:42,084 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1761 transitions. Word has length 346 [2022-11-03 03:36:42,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:42,085 INFO L495 AbstractCegarLoop]: Abstraction has 1331 states and 1761 transitions. [2022-11-03 03:36:42,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:42,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1761 transitions. [2022-11-03 03:36:42,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:42,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:42,088 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:42,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (67)] Forceful destruction successful, exit code 0 [2022-11-03 03:36:42,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:42,289 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:42,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:42,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1494462201, now seen corresponding path program 1 times [2022-11-03 03:36:42,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:42,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1125808880] [2022-11-03 03:36:42,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:42,291 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:42,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:42,292 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:42,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (68)] Waiting until timeout for monitored process [2022-11-03 03:36:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:43,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:36:43,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:44,062 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:44,062 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:44,062 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:44,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1125808880] [2022-11-03 03:36:44,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1125808880] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:44,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:44,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:36:44,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682795768] [2022-11-03 03:36:44,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:44,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:36:44,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:44,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:36:44,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:36:44,064 INFO L87 Difference]: Start difference. First operand 1331 states and 1761 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:44,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:44,414 INFO L93 Difference]: Finished difference Result 2152 states and 2869 transitions. [2022-11-03 03:36:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:36:44,415 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:44,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:44,416 INFO L225 Difference]: With dead ends: 2152 [2022-11-03 03:36:44,416 INFO L226 Difference]: Without dead ends: 1335 [2022-11-03 03:36:44,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:36:44,417 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 75 mSDsluCounter, 1306 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1630 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 133 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:44,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1630 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 133 Unchecked, 0.3s Time] [2022-11-03 03:36:44,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2022-11-03 03:36:44,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1335. [2022-11-03 03:36:44,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1335 states, 1327 states have (on average 1.3217784476262247) internal successors, (1754), 1327 states have internal predecessors, (1754), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:44,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1766 transitions. [2022-11-03 03:36:44,460 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1766 transitions. Word has length 346 [2022-11-03 03:36:44,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:44,460 INFO L495 AbstractCegarLoop]: Abstraction has 1335 states and 1766 transitions. [2022-11-03 03:36:44,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:44,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1766 transitions. [2022-11-03 03:36:44,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:44,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:44,463 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:44,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (68)] Forceful destruction successful, exit code 0 [2022-11-03 03:36:44,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:44,664 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:44,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:44,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1518332809, now seen corresponding path program 1 times [2022-11-03 03:36:44,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:44,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596834949] [2022-11-03 03:36:44,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:44,667 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:44,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:44,668 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:44,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (69)] Waiting until timeout for monitored process [2022-11-03 03:36:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:45,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:36:45,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:45,998 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 03:36:45,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:36:46,443 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 03:36:46,443 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:46,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596834949] [2022-11-03 03:36:46,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [596834949] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:36:46,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1032506012] [2022-11-03 03:36:46,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:46,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:36:46,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:36:46,444 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:36:46,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2022-11-03 03:36:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:47,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:36:47,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:48,103 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:48,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:48,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1032506012] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:48,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:36:48,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 03:36:48,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319100518] [2022-11-03 03:36:48,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:48,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:36:48,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:48,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:36:48,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:36:48,106 INFO L87 Difference]: Start difference. First operand 1335 states and 1766 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:48,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:48,513 INFO L93 Difference]: Finished difference Result 3085 states and 4134 transitions. [2022-11-03 03:36:48,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:48,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:48,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:48,516 INFO L225 Difference]: With dead ends: 3085 [2022-11-03 03:36:48,517 INFO L226 Difference]: Without dead ends: 2268 [2022-11-03 03:36:48,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 03:36:48,518 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 1509 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1512 SdHoareTripleChecker+Valid, 1580 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:48,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1512 Valid, 1580 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:36:48,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2268 states. [2022-11-03 03:36:48,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2268 to 1397. [2022-11-03 03:36:48,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1397 states, 1389 states have (on average 1.323974082073434) internal successors, (1839), 1389 states have internal predecessors, (1839), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:48,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 1851 transitions. [2022-11-03 03:36:48,598 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 1851 transitions. Word has length 346 [2022-11-03 03:36:48,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:48,598 INFO L495 AbstractCegarLoop]: Abstraction has 1397 states and 1851 transitions. [2022-11-03 03:36:48,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:48,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1851 transitions. [2022-11-03 03:36:48,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:48,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:48,603 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:48,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2022-11-03 03:36:48,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (69)] Ended with exit code 0 [2022-11-03 03:36:49,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:49,015 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:49,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:49,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1054631801, now seen corresponding path program 1 times [2022-11-03 03:36:49,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:49,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [573022285] [2022-11-03 03:36:49,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:49,017 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:49,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:49,018 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:49,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (71)] Waiting until timeout for monitored process [2022-11-03 03:36:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:50,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:36:50,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:50,428 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 03:36:50,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:36:50,903 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 03:36:50,903 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:50,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [573022285] [2022-11-03 03:36:50,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [573022285] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:36:50,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [490185787] [2022-11-03 03:36:50,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:50,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:36:50,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:36:50,906 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:36:50,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2022-11-03 03:36:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:52,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:36:52,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:52,562 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:36:52,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:36:52,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [490185787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:52,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:36:52,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 03:36:52,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256092083] [2022-11-03 03:36:52,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:52,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:36:52,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:36:52,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:36:52,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:36:52,564 INFO L87 Difference]: Start difference. First operand 1397 states and 1851 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:52,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:52,965 INFO L93 Difference]: Finished difference Result 3131 states and 4200 transitions. [2022-11-03 03:36:52,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:36:52,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:36:52,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:52,967 INFO L225 Difference]: With dead ends: 3131 [2022-11-03 03:36:52,967 INFO L226 Difference]: Without dead ends: 2282 [2022-11-03 03:36:52,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 03:36:52,969 INFO L413 NwaCegarLoop]: 618 mSDtfsCounter, 1498 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 1589 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:52,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1501 Valid, 1589 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:36:52,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2282 states. [2022-11-03 03:36:53,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2282 to 1411. [2022-11-03 03:36:53,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1411 states, 1403 states have (on average 1.3250178189593729) internal successors, (1859), 1403 states have internal predecessors, (1859), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:36:53,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 1871 transitions. [2022-11-03 03:36:53,028 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 1871 transitions. Word has length 346 [2022-11-03 03:36:53,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:53,029 INFO L495 AbstractCegarLoop]: Abstraction has 1411 states and 1871 transitions. [2022-11-03 03:36:53,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:36:53,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1871 transitions. [2022-11-03 03:36:53,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:36:53,032 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:53,032 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:53,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2022-11-03 03:36:53,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (71)] Ended with exit code 0 [2022-11-03 03:36:53,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:36:53,433 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:36:53,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:53,433 INFO L85 PathProgramCache]: Analyzing trace with hash 978762245, now seen corresponding path program 1 times [2022-11-03 03:36:53,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:36:53,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4989388] [2022-11-03 03:36:53,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:53,435 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:36:53,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:36:53,436 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:36:53,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (73)] Waiting until timeout for monitored process [2022-11-03 03:36:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:54,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:36:54,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:36:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 79 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 03:36:55,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:36:59,352 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:36:59,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [4989388] [2022-11-03 03:36:59,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [4989388] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:36:59,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [122717669] [2022-11-03 03:36:59,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:59,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:36:59,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:36:59,353 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:36:59,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2022-11-03 03:37:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:00,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 03:37:00,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:01,190 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 03:37:01,191 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:01,663 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 03:37:01,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [122717669] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:01,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106829313] [2022-11-03 03:37:01,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:01,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:37:01,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:37:01,665 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:37:01,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2022-11-03 03:37:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:02,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 03:37:02,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:02,898 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 03:37:02,898 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:03,445 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 03:37:03,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106829313] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:03,445 INFO L184 FreeRefinementEngine]: Found 0 perfect and 5 imperfect interpolant sequences. [2022-11-03 03:37:03,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6, 6, 6] total 14 [2022-11-03 03:37:03,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674725153] [2022-11-03 03:37:03,446 INFO L85 oduleStraightlineAll]: Using 5 imperfect interpolants to construct interpolant automaton [2022-11-03 03:37:03,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 03:37:03,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:03,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 03:37:03,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:03,448 INFO L87 Difference]: Start difference. First operand 1411 states and 1871 transitions. Second operand has 14 states, 13 states have (on average 48.76923076923077) internal successors, (634), 14 states have internal predecessors, (634), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-03 03:37:06,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:06,682 INFO L93 Difference]: Finished difference Result 2763 states and 3760 transitions. [2022-11-03 03:37:06,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-03 03:37:06,682 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 48.76923076923077) internal successors, (634), 14 states have internal predecessors, (634), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) Word has length 346 [2022-11-03 03:37:06,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:06,686 INFO L225 Difference]: With dead ends: 2763 [2022-11-03 03:37:06,686 INFO L226 Difference]: Without dead ends: 1900 [2022-11-03 03:37:06,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2073 GetRequests, 2034 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=337, Invalid=1145, Unknown=0, NotChecked=0, Total=1482 [2022-11-03 03:37:06,689 INFO L413 NwaCegarLoop]: 1251 mSDtfsCounter, 1693 mSDsluCounter, 7820 mSDsCounter, 0 mSdLazyCounter, 1876 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1693 SdHoareTripleChecker+Valid, 9071 SdHoareTripleChecker+Invalid, 2110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 229 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:06,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1693 Valid, 9071 Invalid, 2110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1876 Invalid, 0 Unknown, 229 Unchecked, 2.5s Time] [2022-11-03 03:37:06,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2022-11-03 03:37:06,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1141. [2022-11-03 03:37:06,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1133 states have (on average 1.3300970873786409) internal successors, (1507), 1133 states have internal predecessors, (1507), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 03:37:06,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1519 transitions. [2022-11-03 03:37:06,739 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1519 transitions. Word has length 346 [2022-11-03 03:37:06,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:06,739 INFO L495 AbstractCegarLoop]: Abstraction has 1141 states and 1519 transitions. [2022-11-03 03:37:06,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 48.76923076923077) internal successors, (634), 14 states have internal predecessors, (634), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-03 03:37:06,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1519 transitions. [2022-11-03 03:37:06,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:06,742 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:06,743 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:06,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (73)] Ended with exit code 0 [2022-11-03 03:37:06,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:07,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Ended with exit code 0 [2022-11-03 03:37:07,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,75 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:37:07,343 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:07,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:07,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1055722625, now seen corresponding path program 1 times [2022-11-03 03:37:07,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:07,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [702687894] [2022-11-03 03:37:07,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:07,345 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:07,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:07,346 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:07,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (76)] Waiting until timeout for monitored process [2022-11-03 03:37:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:08,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 03:37:08,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:09,193 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 68 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 03:37:09,194 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:09,234 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:09,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [702687894] [2022-11-03 03:37:09,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [702687894] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:37:09,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2029727772] [2022-11-03 03:37:09,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:09,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:09,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:09,238 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:09,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2022-11-03 03:37:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:11,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-03 03:37:11,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:12,312 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 03:37:12,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:12,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2029727772] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:37:12,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893012910] [2022-11-03 03:37:12,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:12,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:37:12,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:37:12,922 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:37:12,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2022-11-03 03:37:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:13,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-03 03:37:13,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:15,279 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 68 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 03:37:15,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 68 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 03:37:16,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893012910] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:16,079 INFO L184 FreeRefinementEngine]: Found 0 perfect and 4 imperfect interpolant sequences. [2022-11-03 03:37:16,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 8, 8] total 28 [2022-11-03 03:37:16,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303611843] [2022-11-03 03:37:16,080 INFO L85 oduleStraightlineAll]: Using 4 imperfect interpolants to construct interpolant automaton [2022-11-03 03:37:16,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-03 03:37:16,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:16,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-03 03:37:16,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1099, Unknown=0, NotChecked=0, Total=1190 [2022-11-03 03:37:16,083 INFO L87 Difference]: Start difference. First operand 1141 states and 1519 transitions. Second operand has 28 states, 28 states have (on average 40.107142857142854) internal successors, (1123), 28 states have internal predecessors, (1123), 8 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2022-11-03 03:37:29,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:29,251 INFO L93 Difference]: Finished difference Result 6177 states and 8626 transitions. [2022-11-03 03:37:29,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-11-03 03:37:29,252 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 40.107142857142854) internal successors, (1123), 28 states have internal predecessors, (1123), 8 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) Word has length 346 [2022-11-03 03:37:29,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:29,259 INFO L225 Difference]: With dead ends: 6177 [2022-11-03 03:37:29,259 INFO L226 Difference]: Without dead ends: 5732 [2022-11-03 03:37:29,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1614 GetRequests, 1499 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2848 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=2600, Invalid=10972, Unknown=0, NotChecked=0, Total=13572 [2022-11-03 03:37:29,262 INFO L413 NwaCegarLoop]: 2515 mSDtfsCounter, 6356 mSDsluCounter, 38673 mSDsCounter, 0 mSdLazyCounter, 6968 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6356 SdHoareTripleChecker+Valid, 41188 SdHoareTripleChecker+Invalid, 8587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 6968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1348 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:29,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6356 Valid, 41188 Invalid, 8587 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [271 Valid, 6968 Invalid, 0 Unknown, 1348 Unchecked, 8.2s Time] [2022-11-03 03:37:29,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5732 states. [2022-11-03 03:37:29,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5732 to 1492. [2022-11-03 03:37:29,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1475 states have (on average 1.343050847457627) internal successors, (1981), 1475 states have internal predecessors, (1981), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:29,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 2011 transitions. [2022-11-03 03:37:29,448 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 2011 transitions. Word has length 346 [2022-11-03 03:37:29,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:29,448 INFO L495 AbstractCegarLoop]: Abstraction has 1492 states and 2011 transitions. [2022-11-03 03:37:29,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 40.107142857142854) internal successors, (1123), 28 states have internal predecessors, (1123), 8 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2022-11-03 03:37:29,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 2011 transitions. [2022-11-03 03:37:29,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:29,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:29,452 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:29,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Ended with exit code 0 [2022-11-03 03:37:29,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2022-11-03 03:37:29,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (76)] Ended with exit code 0 [2022-11-03 03:37:30,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,77 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,76 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:37:30,053 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:30,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:30,053 INFO L85 PathProgramCache]: Analyzing trace with hash 277086841, now seen corresponding path program 1 times [2022-11-03 03:37:30,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:30,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2098844811] [2022-11-03 03:37:30,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:30,055 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:30,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:30,056 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:30,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (79)] Waiting until timeout for monitored process [2022-11-03 03:37:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:31,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:31,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:31,383 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 03:37:31,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:31,806 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 03:37:31,806 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:31,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2098844811] [2022-11-03 03:37:31,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2098844811] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:31,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [906884900] [2022-11-03 03:37:31,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:31,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:31,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:31,807 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:31,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2022-11-03 03:37:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:33,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:33,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:33,480 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:33,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:33,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [906884900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:33,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:33,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 03:37:33,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269296125] [2022-11-03 03:37:33,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:33,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:33,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:33,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:33,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 03:37:33,482 INFO L87 Difference]: Start difference. First operand 1492 states and 2011 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:34,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:34,005 INFO L93 Difference]: Finished difference Result 2578 states and 3533 transitions. [2022-11-03 03:37:34,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:34,006 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:34,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:34,009 INFO L225 Difference]: With dead ends: 2578 [2022-11-03 03:37:34,009 INFO L226 Difference]: Without dead ends: 1908 [2022-11-03 03:37:34,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 03:37:34,010 INFO L413 NwaCegarLoop]: 608 mSDtfsCounter, 1203 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:34,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1206 Valid, 1558 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:37:34,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-11-03 03:37:34,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1484. [2022-11-03 03:37:34,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3421949556918882) internal successors, (1969), 1467 states have internal predecessors, (1969), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:34,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1999 transitions. [2022-11-03 03:37:34,166 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1999 transitions. Word has length 346 [2022-11-03 03:37:34,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:34,167 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1999 transitions. [2022-11-03 03:37:34,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:34,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1999 transitions. [2022-11-03 03:37:34,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:34,171 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:34,171 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:34,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:34,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (79)] Ended with exit code 0 [2022-11-03 03:37:34,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 80 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,79 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:37:34,572 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:34,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:34,572 INFO L85 PathProgramCache]: Analyzing trace with hash 243805713, now seen corresponding path program 1 times [2022-11-03 03:37:34,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:34,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [304269890] [2022-11-03 03:37:34,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:34,574 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:34,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:34,575 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:34,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (81)] Waiting until timeout for monitored process [2022-11-03 03:37:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:35,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:35,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:35,658 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:35,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:35,850 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:35,851 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:35,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [304269890] [2022-11-03 03:37:35,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [304269890] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:35,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [611378115] [2022-11-03 03:37:35,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:35,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:35,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:35,853 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:35,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2022-11-03 03:37:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:37,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:37,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:37,410 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:37,410 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:37,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [611378115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:37,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:37,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:37,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202020055] [2022-11-03 03:37:37,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:37,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:37,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:37,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:37,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:37,411 INFO L87 Difference]: Start difference. First operand 1484 states and 1999 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:37,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:37,929 INFO L93 Difference]: Finished difference Result 2780 states and 3770 transitions. [2022-11-03 03:37:37,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:37,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:37,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:37,932 INFO L225 Difference]: With dead ends: 2780 [2022-11-03 03:37:37,932 INFO L226 Difference]: Without dead ends: 1862 [2022-11-03 03:37:37,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:37,933 INFO L413 NwaCegarLoop]: 915 mSDtfsCounter, 965 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 968 SdHoareTripleChecker+Valid, 1861 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:37,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [968 Valid, 1861 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:37:37,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2022-11-03 03:37:38,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1484. [2022-11-03 03:37:38,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3408316291751874) internal successors, (1967), 1467 states have internal predecessors, (1967), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:38,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1997 transitions. [2022-11-03 03:37:38,094 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1997 transitions. Word has length 346 [2022-11-03 03:37:38,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:38,094 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1997 transitions. [2022-11-03 03:37:38,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:38,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1997 transitions. [2022-11-03 03:37:38,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:38,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:38,097 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:38,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (81)] Ended with exit code 0 [2022-11-03 03:37:38,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2022-11-03 03:37:38,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,82 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:38,498 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:38,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:38,499 INFO L85 PathProgramCache]: Analyzing trace with hash 16584723, now seen corresponding path program 1 times [2022-11-03 03:37:38,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:38,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1730237946] [2022-11-03 03:37:38,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:38,500 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:38,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:38,501 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:38,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (83)] Waiting until timeout for monitored process [2022-11-03 03:37:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:39,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:39,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:39,654 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:39,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:39,846 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:39,846 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:39,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1730237946] [2022-11-03 03:37:39,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1730237946] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:39,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1999198280] [2022-11-03 03:37:39,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:39,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:39,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:39,850 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:39,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2022-11-03 03:37:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:41,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:41,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:41,477 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:41,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:41,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1999198280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:41,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:41,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:41,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941837349] [2022-11-03 03:37:41,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:41,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:41,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:41,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:41,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:41,480 INFO L87 Difference]: Start difference. First operand 1484 states and 1997 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:42,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:42,049 INFO L93 Difference]: Finished difference Result 2763 states and 3745 transitions. [2022-11-03 03:37:42,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:42,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:42,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:42,051 INFO L225 Difference]: With dead ends: 2763 [2022-11-03 03:37:42,052 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:37:42,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:42,053 INFO L413 NwaCegarLoop]: 914 mSDtfsCounter, 955 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 958 SdHoareTripleChecker+Valid, 1860 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:42,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [958 Valid, 1860 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:37:42,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:37:42,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:37:42,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.338104976141786) internal successors, (1963), 1467 states have internal predecessors, (1963), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:42,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1993 transitions. [2022-11-03 03:37:42,187 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1993 transitions. Word has length 346 [2022-11-03 03:37:42,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:42,187 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1993 transitions. [2022-11-03 03:37:42,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:42,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1993 transitions. [2022-11-03 03:37:42,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:42,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:42,190 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:42,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (83)] Ended with exit code 0 [2022-11-03 03:37:42,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2022-11-03 03:37:42,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 83 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,84 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:42,591 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:42,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:42,592 INFO L85 PathProgramCache]: Analyzing trace with hash -382921707, now seen corresponding path program 1 times [2022-11-03 03:37:42,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:42,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [855748074] [2022-11-03 03:37:42,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:42,593 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:42,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:42,594 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:42,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (85)] Waiting until timeout for monitored process [2022-11-03 03:37:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:43,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:43,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:43,782 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:43,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:43,983 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:43,984 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:43,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [855748074] [2022-11-03 03:37:43,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [855748074] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:43,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [396697296] [2022-11-03 03:37:43,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:43,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:43,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:43,986 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:43,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2022-11-03 03:37:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:45,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:45,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:45,717 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:45,717 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:45,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [396697296] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:45,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:45,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:45,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173287296] [2022-11-03 03:37:45,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:45,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:45,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:45,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:45,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:45,718 INFO L87 Difference]: Start difference. First operand 1484 states and 1993 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:46,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:46,250 INFO L93 Difference]: Finished difference Result 2755 states and 3728 transitions. [2022-11-03 03:37:46,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:46,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:46,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:46,254 INFO L225 Difference]: With dead ends: 2755 [2022-11-03 03:37:46,254 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:37:46,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:46,255 INFO L413 NwaCegarLoop]: 912 mSDtfsCounter, 949 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:46,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [952 Valid, 1857 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:37:46,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:37:46,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:37:46,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3353783231083844) internal successors, (1959), 1467 states have internal predecessors, (1959), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:46,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1989 transitions. [2022-11-03 03:37:46,412 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1989 transitions. Word has length 346 [2022-11-03 03:37:46,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:46,413 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1989 transitions. [2022-11-03 03:37:46,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:46,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1989 transitions. [2022-11-03 03:37:46,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:46,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:46,416 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:46,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (85)] Ended with exit code 0 [2022-11-03 03:37:46,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2022-11-03 03:37:46,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,86 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:46,817 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:46,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:46,817 INFO L85 PathProgramCache]: Analyzing trace with hash 913533207, now seen corresponding path program 1 times [2022-11-03 03:37:46,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:46,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1327508010] [2022-11-03 03:37:46,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:46,820 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:46,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:46,821 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:46,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (87)] Waiting until timeout for monitored process [2022-11-03 03:37:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:47,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:47,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:47,932 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:47,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:48,104 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:48,105 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:48,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1327508010] [2022-11-03 03:37:48,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1327508010] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:48,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [536842614] [2022-11-03 03:37:48,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:48,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:48,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:48,106 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:48,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2022-11-03 03:37:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:49,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:49,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:49,670 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:49,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:49,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [536842614] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:49,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:49,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:49,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513044713] [2022-11-03 03:37:49,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:49,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:49,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:49,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:49,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:49,672 INFO L87 Difference]: Start difference. First operand 1484 states and 1989 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:50,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:50,144 INFO L93 Difference]: Finished difference Result 2747 states and 3711 transitions. [2022-11-03 03:37:50,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:50,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:50,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:50,147 INFO L225 Difference]: With dead ends: 2747 [2022-11-03 03:37:50,147 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:37:50,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:50,148 INFO L413 NwaCegarLoop]: 910 mSDtfsCounter, 943 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:50,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [946 Valid, 1854 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:37:50,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:37:50,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:37:50,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3326516700749829) internal successors, (1955), 1467 states have internal predecessors, (1955), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:50,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1985 transitions. [2022-11-03 03:37:50,273 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1985 transitions. Word has length 346 [2022-11-03 03:37:50,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:50,273 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1985 transitions. [2022-11-03 03:37:50,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:50,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1985 transitions. [2022-11-03 03:37:50,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:50,276 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:50,276 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:50,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (87)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:50,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:50,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,88 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:50,677 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:50,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:50,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1252036377, now seen corresponding path program 1 times [2022-11-03 03:37:50,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:50,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802968677] [2022-11-03 03:37:50,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:50,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:50,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:50,680 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:50,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (89)] Waiting until timeout for monitored process [2022-11-03 03:37:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:51,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:51,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:51,760 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:51,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:51,945 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:51,946 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:51,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [802968677] [2022-11-03 03:37:51,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [802968677] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:51,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1432928470] [2022-11-03 03:37:51,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:51,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:51,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:51,947 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:51,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2022-11-03 03:37:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:53,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:53,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:53,503 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:53,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:53,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1432928470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:53,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:53,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:53,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950304375] [2022-11-03 03:37:53,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:53,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:53,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:53,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:53,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:53,504 INFO L87 Difference]: Start difference. First operand 1484 states and 1985 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:53,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:53,992 INFO L93 Difference]: Finished difference Result 2739 states and 3691 transitions. [2022-11-03 03:37:53,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:53,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:53,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:53,994 INFO L225 Difference]: With dead ends: 2739 [2022-11-03 03:37:53,994 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:37:53,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:53,995 INFO L413 NwaCegarLoop]: 909 mSDtfsCounter, 937 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:53,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [940 Valid, 1854 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:37:53,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:37:54,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:37:54,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3299250170415815) internal successors, (1951), 1467 states have internal predecessors, (1951), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:54,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1981 transitions. [2022-11-03 03:37:54,109 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1981 transitions. Word has length 346 [2022-11-03 03:37:54,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:54,110 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1981 transitions. [2022-11-03 03:37:54,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:54,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1981 transitions. [2022-11-03 03:37:54,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:54,114 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:54,114 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:54,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2022-11-03 03:37:54,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (89)] Ended with exit code 0 [2022-11-03 03:37:54,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 90 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,89 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:37:54,515 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:54,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:54,515 INFO L85 PathProgramCache]: Analyzing trace with hash 63243803, now seen corresponding path program 1 times [2022-11-03 03:37:54,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:54,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [870159246] [2022-11-03 03:37:54,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:54,517 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:54,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:54,517 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:54,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (91)] Waiting until timeout for monitored process [2022-11-03 03:37:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:55,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:55,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:55,614 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:55,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:55,817 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:55,818 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:55,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [870159246] [2022-11-03 03:37:55,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [870159246] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:55,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2138830389] [2022-11-03 03:37:55,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:55,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:55,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:55,819 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:55,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2022-11-03 03:37:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:57,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:37:57,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:57,400 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:37:57,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:57,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2138830389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:57,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:37:57,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:37:57,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490386583] [2022-11-03 03:37:57,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:57,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:37:57,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:57,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:37:57,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:37:57,401 INFO L87 Difference]: Start difference. First operand 1484 states and 1981 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:57,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:57,871 INFO L93 Difference]: Finished difference Result 2731 states and 3674 transitions. [2022-11-03 03:37:57,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:57,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:37:57,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:57,874 INFO L225 Difference]: With dead ends: 2731 [2022-11-03 03:37:57,874 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:37:57,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:37:57,875 INFO L413 NwaCegarLoop]: 906 mSDtfsCounter, 931 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:57,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 1848 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:37:57,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:37:58,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:37:58,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.32719836400818) internal successors, (1947), 1467 states have internal predecessors, (1947), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:37:58,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1977 transitions. [2022-11-03 03:37:58,009 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1977 transitions. Word has length 346 [2022-11-03 03:37:58,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:58,009 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1977 transitions. [2022-11-03 03:37:58,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:37:58,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1977 transitions. [2022-11-03 03:37:58,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:37:58,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:58,014 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:58,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2022-11-03 03:37:58,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (91)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:58,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 92 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,91 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:37:58,416 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:58,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:58,417 INFO L85 PathProgramCache]: Analyzing trace with hash -600748515, now seen corresponding path program 1 times [2022-11-03 03:37:58,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:58,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359967996] [2022-11-03 03:37:58,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:58,419 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:58,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:58,419 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:58,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (93)] Waiting until timeout for monitored process [2022-11-03 03:37:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:59,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:37:59,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:59,543 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:37:59,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:37:59,725 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:37:59,725 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:59,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1359967996] [2022-11-03 03:37:59,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1359967996] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:37:59,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [783865699] [2022-11-03 03:37:59,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:59,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:59,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:37:59,727 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:37:59,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2022-11-03 03:38:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:01,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:01,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:01,400 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:01,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:01,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [783865699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:01,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:01,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:01,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683337078] [2022-11-03 03:38:01,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:01,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:01,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:01,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:01,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:01,402 INFO L87 Difference]: Start difference. First operand 1484 states and 1977 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:01,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:01,907 INFO L93 Difference]: Finished difference Result 2723 states and 3657 transitions. [2022-11-03 03:38:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:01,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:01,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:01,910 INFO L225 Difference]: With dead ends: 2723 [2022-11-03 03:38:01,911 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:01,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:01,913 INFO L413 NwaCegarLoop]: 905 mSDtfsCounter, 925 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:01,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 1848 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:01,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:02,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:02,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3244717109747786) internal successors, (1943), 1467 states have internal predecessors, (1943), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1973 transitions. [2022-11-03 03:38:02,159 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1973 transitions. Word has length 346 [2022-11-03 03:38:02,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:02,160 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1973 transitions. [2022-11-03 03:38:02,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:02,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1973 transitions. [2022-11-03 03:38:02,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:02,170 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:02,171 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:02,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:02,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (93)] Ended with exit code 0 [2022-11-03 03:38:02,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 94 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,93 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:02,586 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:02,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:02,586 INFO L85 PathProgramCache]: Analyzing trace with hash 175499039, now seen corresponding path program 1 times [2022-11-03 03:38:02,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:02,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [599585247] [2022-11-03 03:38:02,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:02,588 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:02,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:02,590 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:02,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (95)] Waiting until timeout for monitored process [2022-11-03 03:38:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:03,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:03,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:03,815 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:03,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:04,005 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:04,006 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:04,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [599585247] [2022-11-03 03:38:04,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [599585247] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:04,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1578210792] [2022-11-03 03:38:04,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:04,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:04,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:04,007 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:04,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2022-11-03 03:38:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:05,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:05,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:05,587 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:05,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:05,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1578210792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:05,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:05,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:05,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595242392] [2022-11-03 03:38:05,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:05,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:05,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:05,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:05,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:05,589 INFO L87 Difference]: Start difference. First operand 1484 states and 1973 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:06,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:06,076 INFO L93 Difference]: Finished difference Result 2715 states and 3640 transitions. [2022-11-03 03:38:06,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:06,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:06,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:06,079 INFO L225 Difference]: With dead ends: 2715 [2022-11-03 03:38:06,080 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:06,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:06,081 INFO L413 NwaCegarLoop]: 902 mSDtfsCounter, 919 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 1842 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:06,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 1842 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:06,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:06,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:06,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.321745057941377) internal successors, (1939), 1467 states have internal predecessors, (1939), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:06,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1969 transitions. [2022-11-03 03:38:06,192 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1969 transitions. Word has length 346 [2022-11-03 03:38:06,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:06,192 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1969 transitions. [2022-11-03 03:38:06,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:06,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1969 transitions. [2022-11-03 03:38:06,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:06,194 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:06,194 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:06,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2022-11-03 03:38:06,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (95)] Ended with exit code 0 [2022-11-03 03:38:06,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 96 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,95 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:06,595 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:06,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:06,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1587326687, now seen corresponding path program 1 times [2022-11-03 03:38:06,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:06,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1943152674] [2022-11-03 03:38:06,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:06,597 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:06,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:06,598 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:06,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (97)] Waiting until timeout for monitored process [2022-11-03 03:38:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:07,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:07,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:07,683 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:07,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:07,854 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:07,854 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:07,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1943152674] [2022-11-03 03:38:07,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1943152674] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:07,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [115968441] [2022-11-03 03:38:07,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:07,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:07,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:07,856 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:07,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2022-11-03 03:38:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:09,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:09,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:09,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:09,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [115968441] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:09,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:09,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:09,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107667450] [2022-11-03 03:38:09,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:09,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:09,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:09,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:09,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:09,504 INFO L87 Difference]: Start difference. First operand 1484 states and 1969 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:09,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:09,978 INFO L93 Difference]: Finished difference Result 2699 states and 3616 transitions. [2022-11-03 03:38:09,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:09,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:09,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:09,981 INFO L225 Difference]: With dead ends: 2699 [2022-11-03 03:38:09,982 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:09,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:09,984 INFO L413 NwaCegarLoop]: 901 mSDtfsCounter, 909 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 1841 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:09,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 1841 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:09,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:10,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:10,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3190184049079754) internal successors, (1935), 1467 states have internal predecessors, (1935), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:10,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1965 transitions. [2022-11-03 03:38:10,174 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1965 transitions. Word has length 346 [2022-11-03 03:38:10,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:10,174 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1965 transitions. [2022-11-03 03:38:10,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:10,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1965 transitions. [2022-11-03 03:38:10,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:10,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:10,178 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:10,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2022-11-03 03:38:10,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (97)] Ended with exit code 0 [2022-11-03 03:38:10,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 98 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,97 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:10,591 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:10,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:10,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1393810723, now seen corresponding path program 1 times [2022-11-03 03:38:10,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:10,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1143447245] [2022-11-03 03:38:10,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:10,593 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:10,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:10,594 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:10,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (99)] Waiting until timeout for monitored process [2022-11-03 03:38:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:11,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:11,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:11,738 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:11,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:11,922 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:11,922 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:11,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1143447245] [2022-11-03 03:38:11,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1143447245] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:11,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [622709688] [2022-11-03 03:38:11,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:11,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:11,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:11,923 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:11,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2022-11-03 03:38:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:13,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:13,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:13,578 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:13,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:13,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [622709688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:13,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:13,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:13,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470029780] [2022-11-03 03:38:13,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:13,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:13,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:13,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:13,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:13,580 INFO L87 Difference]: Start difference. First operand 1484 states and 1965 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:14,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:14,148 INFO L93 Difference]: Finished difference Result 2691 states and 3599 transitions. [2022-11-03 03:38:14,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:14,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:14,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:14,151 INFO L225 Difference]: With dead ends: 2691 [2022-11-03 03:38:14,151 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:14,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:14,152 INFO L413 NwaCegarLoop]: 899 mSDtfsCounter, 903 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:14,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 1838 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 03:38:14,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:14,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:14,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.316291751874574) internal successors, (1931), 1467 states have internal predecessors, (1931), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:14,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1961 transitions. [2022-11-03 03:38:14,352 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1961 transitions. Word has length 346 [2022-11-03 03:38:14,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:14,353 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1961 transitions. [2022-11-03 03:38:14,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:14,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1961 transitions. [2022-11-03 03:38:14,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:14,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:14,357 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:14,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (100)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:14,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (99)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:14,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 100 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,99 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:14,772 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:14,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:14,772 INFO L85 PathProgramCache]: Analyzing trace with hash 257866277, now seen corresponding path program 1 times [2022-11-03 03:38:14,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:14,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898019165] [2022-11-03 03:38:14,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:14,774 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:14,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:14,777 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:14,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (101)] Waiting until timeout for monitored process [2022-11-03 03:38:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:15,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:15,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:15,957 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:15,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:16,154 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:16,154 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:16,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898019165] [2022-11-03 03:38:16,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898019165] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:16,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2064377689] [2022-11-03 03:38:16,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:16,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:16,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:16,155 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:16,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2022-11-03 03:38:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:17,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:17,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:17,841 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:17,841 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:17,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2064377689] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:17,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:17,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:17,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561362168] [2022-11-03 03:38:17,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:17,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:17,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:17,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:17,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:17,843 INFO L87 Difference]: Start difference. First operand 1484 states and 1961 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:18,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:18,320 INFO L93 Difference]: Finished difference Result 2683 states and 3582 transitions. [2022-11-03 03:38:18,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:18,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:18,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:18,322 INFO L225 Difference]: With dead ends: 2683 [2022-11-03 03:38:18,322 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:18,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:18,323 INFO L413 NwaCegarLoop]: 898 mSDtfsCounter, 897 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:18,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [900 Valid, 1838 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:18,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:18,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:18,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3135650988411725) internal successors, (1927), 1467 states have internal predecessors, (1927), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:18,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1957 transitions. [2022-11-03 03:38:18,443 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1957 transitions. Word has length 346 [2022-11-03 03:38:18,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:18,443 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1957 transitions. [2022-11-03 03:38:18,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:18,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1957 transitions. [2022-11-03 03:38:18,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:18,445 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:18,446 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:18,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (101)] Ended with exit code 0 [2022-11-03 03:38:18,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2022-11-03 03:38:18,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 101 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,102 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:18,846 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:18,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:18,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1709938649, now seen corresponding path program 1 times [2022-11-03 03:38:18,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:18,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1571393364] [2022-11-03 03:38:18,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:18,848 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:18,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:18,849 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:18,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (103)] Waiting until timeout for monitored process [2022-11-03 03:38:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:19,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:19,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:20,014 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:20,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:20,204 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:20,204 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:20,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1571393364] [2022-11-03 03:38:20,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1571393364] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:20,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1690963031] [2022-11-03 03:38:20,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:20,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:20,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:20,206 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:20,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2022-11-03 03:38:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:21,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:21,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:21,893 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:21,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:21,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1690963031] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:21,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:21,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:21,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67919129] [2022-11-03 03:38:21,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:21,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:21,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:21,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:21,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:21,895 INFO L87 Difference]: Start difference. First operand 1484 states and 1957 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:22,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:22,365 INFO L93 Difference]: Finished difference Result 2675 states and 3562 transitions. [2022-11-03 03:38:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:22,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:22,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:22,367 INFO L225 Difference]: With dead ends: 2675 [2022-11-03 03:38:22,367 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:22,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:22,368 INFO L413 NwaCegarLoop]: 895 mSDtfsCounter, 891 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 1832 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:22,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 1832 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:22,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:22,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:22,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3108384458077709) internal successors, (1923), 1467 states have internal predecessors, (1923), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:22,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1953 transitions. [2022-11-03 03:38:22,511 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1953 transitions. Word has length 346 [2022-11-03 03:38:22,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:22,511 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1953 transitions. [2022-11-03 03:38:22,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:22,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1953 transitions. [2022-11-03 03:38:22,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:22,513 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:22,514 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:22,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (103)] Ended with exit code 0 [2022-11-03 03:38:22,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2022-11-03 03:38:22,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 103 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,104 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:22,918 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:22,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:22,919 INFO L85 PathProgramCache]: Analyzing trace with hash 860186409, now seen corresponding path program 1 times [2022-11-03 03:38:22,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:22,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [900975315] [2022-11-03 03:38:22,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:22,920 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:22,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:22,921 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:22,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (105)] Waiting until timeout for monitored process [2022-11-03 03:38:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:23,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:23,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:24,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:24,211 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:24,211 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:24,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [900975315] [2022-11-03 03:38:24,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [900975315] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:24,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2129545577] [2022-11-03 03:38:24,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:24,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:24,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:24,213 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:24,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2022-11-03 03:38:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:25,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:25,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:25,854 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:25,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:25,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2129545577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:25,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:25,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:25,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694772291] [2022-11-03 03:38:25,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:25,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:25,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:25,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:25,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:25,856 INFO L87 Difference]: Start difference. First operand 1484 states and 1953 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:26,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:26,320 INFO L93 Difference]: Finished difference Result 2667 states and 3545 transitions. [2022-11-03 03:38:26,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:26,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:26,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:26,322 INFO L225 Difference]: With dead ends: 2667 [2022-11-03 03:38:26,322 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:26,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:26,324 INFO L413 NwaCegarLoop]: 893 mSDtfsCounter, 885 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 888 SdHoareTripleChecker+Valid, 1829 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:26,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [888 Valid, 1829 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:26,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:26,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:26,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3081117927743695) internal successors, (1919), 1467 states have internal predecessors, (1919), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:26,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1949 transitions. [2022-11-03 03:38:26,466 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1949 transitions. Word has length 346 [2022-11-03 03:38:26,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:26,467 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1949 transitions. [2022-11-03 03:38:26,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:26,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1949 transitions. [2022-11-03 03:38:26,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:26,469 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:26,469 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:26,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:26,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (105)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:26,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 106 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,105 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:26,870 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:26,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:26,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1220397269, now seen corresponding path program 1 times [2022-11-03 03:38:26,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:26,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2124505434] [2022-11-03 03:38:26,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:26,872 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:26,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:26,873 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:26,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (107)] Waiting until timeout for monitored process [2022-11-03 03:38:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:27,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:27,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:27,988 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:27,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:28,161 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:28,161 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:28,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2124505434] [2022-11-03 03:38:28,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2124505434] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:28,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1514993764] [2022-11-03 03:38:28,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:28,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:28,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:28,163 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:28,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2022-11-03 03:38:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:29,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:29,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:29,835 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:29,835 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:29,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1514993764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:29,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:29,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:29,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132640713] [2022-11-03 03:38:29,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:29,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:29,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:29,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:29,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:29,837 INFO L87 Difference]: Start difference. First operand 1484 states and 1949 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:30,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:30,336 INFO L93 Difference]: Finished difference Result 2659 states and 3528 transitions. [2022-11-03 03:38:30,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:30,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:30,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:30,338 INFO L225 Difference]: With dead ends: 2659 [2022-11-03 03:38:30,338 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:30,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:30,339 INFO L413 NwaCegarLoop]: 891 mSDtfsCounter, 879 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 1826 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:30,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 1826 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:30,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:30,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.305385139740968) internal successors, (1915), 1467 states have internal predecessors, (1915), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1945 transitions. [2022-11-03 03:38:30,455 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1945 transitions. Word has length 346 [2022-11-03 03:38:30,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:30,455 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1945 transitions. [2022-11-03 03:38:30,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:30,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1945 transitions. [2022-11-03 03:38:30,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:30,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:30,457 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:30,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (107)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:30,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2022-11-03 03:38:30,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 107 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,108 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:30,858 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:30,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:30,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1097115603, now seen corresponding path program 1 times [2022-11-03 03:38:30,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:30,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1086818120] [2022-11-03 03:38:30,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:30,860 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:30,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:30,861 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:30,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (109)] Waiting until timeout for monitored process [2022-11-03 03:38:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:31,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:31,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:32,008 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:32,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:32,195 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:32,195 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:32,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1086818120] [2022-11-03 03:38:32,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1086818120] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:32,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [233934551] [2022-11-03 03:38:32,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:32,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:32,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:32,196 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:32,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2022-11-03 03:38:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:33,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:33,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:33,977 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:33,977 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:33,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [233934551] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:33,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:33,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:33,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261644501] [2022-11-03 03:38:33,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:33,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:33,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:33,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:33,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:33,980 INFO L87 Difference]: Start difference. First operand 1484 states and 1945 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:34,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:34,498 INFO L93 Difference]: Finished difference Result 2651 states and 3511 transitions. [2022-11-03 03:38:34,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:34,498 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:34,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:34,500 INFO L225 Difference]: With dead ends: 2651 [2022-11-03 03:38:34,500 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:34,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:34,501 INFO L413 NwaCegarLoop]: 890 mSDtfsCounter, 873 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 1826 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:34,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 1826 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:34,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:34,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:34,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3026584867075666) internal successors, (1911), 1467 states have internal predecessors, (1911), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:34,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1941 transitions. [2022-11-03 03:38:34,630 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1941 transitions. Word has length 346 [2022-11-03 03:38:34,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:34,630 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1941 transitions. [2022-11-03 03:38:34,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:34,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1941 transitions. [2022-11-03 03:38:34,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:34,633 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:34,634 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:34,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (109)] Ended with exit code 0 [2022-11-03 03:38:34,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (110)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:35,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 109 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,110 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:35,034 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:35,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:35,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1105114577, now seen corresponding path program 1 times [2022-11-03 03:38:35,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:35,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1519691524] [2022-11-03 03:38:35,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:35,036 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:35,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:35,037 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:35,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (111)] Waiting until timeout for monitored process [2022-11-03 03:38:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:36,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:36,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:36,243 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:36,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:36,416 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:36,416 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:36,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1519691524] [2022-11-03 03:38:36,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1519691524] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:36,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [280890890] [2022-11-03 03:38:36,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:36,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:36,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:36,418 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:36,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2022-11-03 03:38:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:38,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:38,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:38,290 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:38,290 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:38,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [280890890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:38,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:38,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:38,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035158719] [2022-11-03 03:38:38,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:38,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:38,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:38,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:38,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:38,292 INFO L87 Difference]: Start difference. First operand 1484 states and 1941 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:38,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:38,856 INFO L93 Difference]: Finished difference Result 2635 states and 3487 transitions. [2022-11-03 03:38:38,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:38,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:38,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:38,859 INFO L225 Difference]: With dead ends: 2635 [2022-11-03 03:38:38,859 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:38,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:38,861 INFO L413 NwaCegarLoop]: 889 mSDtfsCounter, 863 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 1825 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:38,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 1825 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:38,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:38,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:38,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.299931833674165) internal successors, (1907), 1467 states have internal predecessors, (1907), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:38,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1937 transitions. [2022-11-03 03:38:38,994 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1937 transitions. Word has length 346 [2022-11-03 03:38:38,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:38,995 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1937 transitions. [2022-11-03 03:38:38,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:38,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1937 transitions. [2022-11-03 03:38:38,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:38,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:38,998 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:39,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (111)] Ended with exit code 0 [2022-11-03 03:38:39,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (112)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:39,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 111 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,112 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:39,399 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:39,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:39,399 INFO L85 PathProgramCache]: Analyzing trace with hash 494034481, now seen corresponding path program 1 times [2022-11-03 03:38:39,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:39,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [795417429] [2022-11-03 03:38:39,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:39,401 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:39,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:39,402 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:39,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (113)] Waiting until timeout for monitored process [2022-11-03 03:38:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:40,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:40,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:40,695 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:40,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:40,886 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:40,886 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:40,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [795417429] [2022-11-03 03:38:40,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [795417429] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:40,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1029163685] [2022-11-03 03:38:40,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:40,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:40,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:40,888 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:40,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2022-11-03 03:38:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:42,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:42,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:42,619 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:42,619 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:42,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1029163685] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:42,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:42,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:42,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426085633] [2022-11-03 03:38:42,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:42,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:42,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:42,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:42,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:42,620 INFO L87 Difference]: Start difference. First operand 1484 states and 1937 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:43,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:43,089 INFO L93 Difference]: Finished difference Result 2627 states and 3470 transitions. [2022-11-03 03:38:43,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:43,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:43,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:43,091 INFO L225 Difference]: With dead ends: 2627 [2022-11-03 03:38:43,092 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:43,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:43,093 INFO L413 NwaCegarLoop]: 886 mSDtfsCounter, 857 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 1819 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:43,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 1819 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:43,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:43,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:43,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2972051806407634) internal successors, (1903), 1467 states have internal predecessors, (1903), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:43,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1933 transitions. [2022-11-03 03:38:43,207 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1933 transitions. Word has length 346 [2022-11-03 03:38:43,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:43,207 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1933 transitions. [2022-11-03 03:38:43,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:43,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1933 transitions. [2022-11-03 03:38:43,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:43,209 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:43,210 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:43,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2022-11-03 03:38:43,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (113)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:43,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 114 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,113 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:43,610 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:43,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:43,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1021428531, now seen corresponding path program 1 times [2022-11-03 03:38:43,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:43,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1783049884] [2022-11-03 03:38:43,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:43,612 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:43,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:43,613 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:43,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (115)] Waiting until timeout for monitored process [2022-11-03 03:38:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:44,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:44,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:44,748 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:44,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:44,929 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:44,929 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:44,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1783049884] [2022-11-03 03:38:44,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1783049884] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:44,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1504727757] [2022-11-03 03:38:44,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:44,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:44,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:44,930 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:44,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2022-11-03 03:38:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:46,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:46,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:46,657 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:46,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:46,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1504727757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:46,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:46,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:46,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103014553] [2022-11-03 03:38:46,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:46,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:46,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:46,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:46,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:46,659 INFO L87 Difference]: Start difference. First operand 1484 states and 1933 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:47,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:47,140 INFO L93 Difference]: Finished difference Result 2619 states and 3453 transitions. [2022-11-03 03:38:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:47,141 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:47,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:47,143 INFO L225 Difference]: With dead ends: 2619 [2022-11-03 03:38:47,143 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:47,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:47,145 INFO L413 NwaCegarLoop]: 884 mSDtfsCounter, 851 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 854 SdHoareTripleChecker+Valid, 1816 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:47,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [854 Valid, 1816 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:47,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:47,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:47,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.294478527607362) internal successors, (1899), 1467 states have internal predecessors, (1899), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:47,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1929 transitions. [2022-11-03 03:38:47,263 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1929 transitions. Word has length 346 [2022-11-03 03:38:47,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:47,263 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1929 transitions. [2022-11-03 03:38:47,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:47,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1929 transitions. [2022-11-03 03:38:47,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:47,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:47,266 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:47,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (116)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:47,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (115)] Ended with exit code 0 [2022-11-03 03:38:47,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 116 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,115 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:47,666 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:47,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:47,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1111488821, now seen corresponding path program 1 times [2022-11-03 03:38:47,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:47,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1259136973] [2022-11-03 03:38:47,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:47,668 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:47,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:47,669 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:47,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (117)] Waiting until timeout for monitored process [2022-11-03 03:38:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:48,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:48,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:48,857 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:48,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:49,034 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:49,034 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:49,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1259136973] [2022-11-03 03:38:49,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1259136973] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:49,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [828438200] [2022-11-03 03:38:49,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:49,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:49,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:49,036 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:49,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2022-11-03 03:38:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:50,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:50,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:50,794 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:50,795 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:50,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [828438200] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:50,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:50,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:50,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384198676] [2022-11-03 03:38:50,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:50,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:50,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:50,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:50,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:50,797 INFO L87 Difference]: Start difference. First operand 1484 states and 1929 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:51,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:51,297 INFO L93 Difference]: Finished difference Result 2611 states and 3433 transitions. [2022-11-03 03:38:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:51,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:51,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:51,299 INFO L225 Difference]: With dead ends: 2611 [2022-11-03 03:38:51,300 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:51,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:51,301 INFO L413 NwaCegarLoop]: 882 mSDtfsCounter, 845 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 1813 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:51,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 1813 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:51,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:51,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:51,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2917518745739605) internal successors, (1895), 1467 states have internal predecessors, (1895), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:51,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1925 transitions. [2022-11-03 03:38:51,429 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1925 transitions. Word has length 346 [2022-11-03 03:38:51,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:51,429 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1925 transitions. [2022-11-03 03:38:51,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:51,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1925 transitions. [2022-11-03 03:38:51,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:51,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:51,432 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:51,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (117)] Ended with exit code 0 [2022-11-03 03:38:51,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (118)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:51,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 117 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,118 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:51,832 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:51,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:51,833 INFO L85 PathProgramCache]: Analyzing trace with hash -811761609, now seen corresponding path program 1 times [2022-11-03 03:38:51,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:51,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [417426801] [2022-11-03 03:38:51,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:51,834 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:51,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:51,835 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:51,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (119)] Waiting until timeout for monitored process [2022-11-03 03:38:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:52,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:52,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:53,051 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:53,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:53,238 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:53,239 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:53,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [417426801] [2022-11-03 03:38:53,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [417426801] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:53,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [849523744] [2022-11-03 03:38:53,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:53,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:53,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:53,240 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:53,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2022-11-03 03:38:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:54,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:54,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:55,081 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:55,082 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:55,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [849523744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:55,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:55,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:55,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047366115] [2022-11-03 03:38:55,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:55,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:55,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:55,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:55,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:55,084 INFO L87 Difference]: Start difference. First operand 1484 states and 1925 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:55,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:55,623 INFO L93 Difference]: Finished difference Result 2603 states and 3416 transitions. [2022-11-03 03:38:55,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:55,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:55,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:55,626 INFO L225 Difference]: With dead ends: 2603 [2022-11-03 03:38:55,626 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:55,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:55,628 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 839 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:55,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [842 Valid, 1810 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:55,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:55,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:55,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2890252215405589) internal successors, (1891), 1467 states have internal predecessors, (1891), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:55,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1921 transitions. [2022-11-03 03:38:55,853 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1921 transitions. Word has length 346 [2022-11-03 03:38:55,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:55,854 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1921 transitions. [2022-11-03 03:38:55,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:55,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1921 transitions. [2022-11-03 03:38:55,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:55,857 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:55,858 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:55,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (119)] Ended with exit code 0 [2022-11-03 03:38:56,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:56,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 119 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,120 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:56,286 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:56,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:56,287 INFO L85 PathProgramCache]: Analyzing trace with hash 592107577, now seen corresponding path program 1 times [2022-11-03 03:38:56,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:56,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485261860] [2022-11-03 03:38:56,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:56,288 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:56,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:56,289 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:56,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (121)] Waiting until timeout for monitored process [2022-11-03 03:38:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:57,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:38:57,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:57,481 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:38:57,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:38:57,656 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:38:57,656 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:57,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1485261860] [2022-11-03 03:38:57,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1485261860] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:38:57,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [248464780] [2022-11-03 03:38:57,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:57,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:57,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:38:57,657 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:38:57,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2022-11-03 03:38:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:59,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:38:59,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:59,401 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:38:59,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:59,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [248464780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:59,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:38:59,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:38:59,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569017165] [2022-11-03 03:38:59,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:59,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:38:59,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:59,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:38:59,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:38:59,403 INFO L87 Difference]: Start difference. First operand 1484 states and 1921 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:59,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:59,875 INFO L93 Difference]: Finished difference Result 2595 states and 3399 transitions. [2022-11-03 03:38:59,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:59,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:38:59,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:59,877 INFO L225 Difference]: With dead ends: 2595 [2022-11-03 03:38:59,877 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:38:59,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:38:59,878 INFO L413 NwaCegarLoop]: 879 mSDtfsCounter, 833 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 836 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:59,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [836 Valid, 1810 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:38:59,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:38:59,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:38:59,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2862985685071575) internal successors, (1887), 1467 states have internal predecessors, (1887), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:38:59,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1917 transitions. [2022-11-03 03:38:59,992 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1917 transitions. Word has length 346 [2022-11-03 03:38:59,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:59,992 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1917 transitions. [2022-11-03 03:38:59,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:38:59,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1917 transitions. [2022-11-03 03:38:59,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:38:59,995 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:59,995 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:00,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2022-11-03 03:39:00,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (121)] Ended with exit code 0 [2022-11-03 03:39:00,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 122 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,121 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:00,396 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:00,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:00,396 INFO L85 PathProgramCache]: Analyzing trace with hash 936935739, now seen corresponding path program 1 times [2022-11-03 03:39:00,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:00,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1254583308] [2022-11-03 03:39:00,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:00,398 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:00,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:00,399 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:00,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (123)] Waiting until timeout for monitored process [2022-11-03 03:39:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:01,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:01,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:01,615 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:01,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:01,789 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:01,789 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:01,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1254583308] [2022-11-03 03:39:01,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1254583308] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:01,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [687064479] [2022-11-03 03:39:01,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:01,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:01,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:39:01,791 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:39:01,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2022-11-03 03:39:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:03,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:39:03,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:03,577 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:39:03,577 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:03,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [687064479] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:03,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:39:03,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:39:03,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054239300] [2022-11-03 03:39:03,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:03,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:39:03,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:03,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:39:03,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:03,579 INFO L87 Difference]: Start difference. First operand 1484 states and 1917 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:04,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:04,084 INFO L93 Difference]: Finished difference Result 2587 states and 3382 transitions. [2022-11-03 03:39:04,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:04,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:39:04,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:04,086 INFO L225 Difference]: With dead ends: 2587 [2022-11-03 03:39:04,086 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:39:04,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:39:04,087 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 827 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 830 SdHoareTripleChecker+Valid, 1804 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:04,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [830 Valid, 1804 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:39:04,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:39:04,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:39:04,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.283571915473756) internal successors, (1883), 1467 states have internal predecessors, (1883), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:39:04,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1913 transitions. [2022-11-03 03:39:04,238 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1913 transitions. Word has length 346 [2022-11-03 03:39:04,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:04,239 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1913 transitions. [2022-11-03 03:39:04,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:04,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1913 transitions. [2022-11-03 03:39:04,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:39:04,242 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:04,243 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:04,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (124)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:04,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (123)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:04,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 124 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,123 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:04,643 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:04,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:04,644 INFO L85 PathProgramCache]: Analyzing trace with hash -468255939, now seen corresponding path program 1 times [2022-11-03 03:39:04,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:04,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596037812] [2022-11-03 03:39:04,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:04,645 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:04,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:04,646 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:04,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (125)] Waiting until timeout for monitored process [2022-11-03 03:39:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:05,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:05,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:05,874 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:05,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:06,059 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:06,059 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:06,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596037812] [2022-11-03 03:39:06,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [596037812] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:06,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1612613197] [2022-11-03 03:39:06,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:06,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:06,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:39:06,061 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:39:06,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2022-11-03 03:39:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:07,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:39:07,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:07,926 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:39:07,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:07,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1612613197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:07,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:39:07,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:39:07,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019098308] [2022-11-03 03:39:07,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:07,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:39:07,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:07,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:39:07,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:07,928 INFO L87 Difference]: Start difference. First operand 1484 states and 1913 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:08,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:08,456 INFO L93 Difference]: Finished difference Result 2571 states and 3358 transitions. [2022-11-03 03:39:08,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:08,456 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:39:08,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:08,458 INFO L225 Difference]: With dead ends: 2571 [2022-11-03 03:39:08,458 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:39:08,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:39:08,460 INFO L413 NwaCegarLoop]: 875 mSDtfsCounter, 817 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 1803 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:08,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 1803 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:39:08,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:39:08,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:39:08,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2808452624403546) internal successors, (1879), 1467 states have internal predecessors, (1879), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:39:08,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1909 transitions. [2022-11-03 03:39:08,623 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1909 transitions. Word has length 346 [2022-11-03 03:39:08,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:08,623 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1909 transitions. [2022-11-03 03:39:08,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:08,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1909 transitions. [2022-11-03 03:39:08,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:39:08,625 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:08,626 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:08,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (125)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:08,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:09,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 125 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,126 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:09,027 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:09,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:09,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1428723519, now seen corresponding path program 1 times [2022-11-03 03:39:09,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:09,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798041679] [2022-11-03 03:39:09,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:09,029 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:09,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:09,030 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:09,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (127)] Waiting until timeout for monitored process [2022-11-03 03:39:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:10,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:10,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:10,263 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:10,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:10,461 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:10,461 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:10,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798041679] [2022-11-03 03:39:10,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798041679] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:10,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1177642053] [2022-11-03 03:39:10,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:10,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:10,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:39:10,465 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:39:10,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2022-11-03 03:39:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:12,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:39:12,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:12,350 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:39:12,351 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:12,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1177642053] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:12,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:39:12,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:39:12,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003530380] [2022-11-03 03:39:12,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:12,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:39:12,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:12,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:39:12,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:12,353 INFO L87 Difference]: Start difference. First operand 1484 states and 1909 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:12,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:12,847 INFO L93 Difference]: Finished difference Result 2563 states and 3341 transitions. [2022-11-03 03:39:12,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:12,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:39:12,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:12,850 INFO L225 Difference]: With dead ends: 2563 [2022-11-03 03:39:12,850 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:39:12,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:39:12,852 INFO L413 NwaCegarLoop]: 873 mSDtfsCounter, 811 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 1800 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:12,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 1800 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:39:12,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:39:12,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:39:12,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.278118609406953) internal successors, (1875), 1467 states have internal predecessors, (1875), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:39:12,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1905 transitions. [2022-11-03 03:39:12,999 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1905 transitions. Word has length 346 [2022-11-03 03:39:12,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:12,999 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1905 transitions. [2022-11-03 03:39:12,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:13,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1905 transitions. [2022-11-03 03:39:13,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:39:13,002 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:13,002 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:13,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (127)] Ended with exit code 0 [2022-11-03 03:39:13,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:13,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 127 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,128 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:13,403 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:13,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:13,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1272742977, now seen corresponding path program 1 times [2022-11-03 03:39:13,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:13,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1771812702] [2022-11-03 03:39:13,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:13,405 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:13,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:13,407 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:13,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (129)] Waiting until timeout for monitored process [2022-11-03 03:39:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:14,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:14,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:14,556 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:14,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:14,725 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:14,726 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:14,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1771812702] [2022-11-03 03:39:14,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1771812702] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:14,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [316732292] [2022-11-03 03:39:14,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:14,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:14,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:39:14,728 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:39:14,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2022-11-03 03:39:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:16,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:39:16,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:16,513 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:39:16,513 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:16,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [316732292] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:16,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:39:16,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:39:16,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579585672] [2022-11-03 03:39:16,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:16,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:39:16,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:16,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:39:16,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:16,515 INFO L87 Difference]: Start difference. First operand 1484 states and 1905 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:16,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:16,993 INFO L93 Difference]: Finished difference Result 2555 states and 3324 transitions. [2022-11-03 03:39:16,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:16,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:39:16,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:16,995 INFO L225 Difference]: With dead ends: 2555 [2022-11-03 03:39:16,996 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:39:16,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:39:16,997 INFO L413 NwaCegarLoop]: 871 mSDtfsCounter, 805 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 1797 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:16,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 1797 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:39:16,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:39:17,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:39:17,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2753919563735514) internal successors, (1871), 1467 states have internal predecessors, (1871), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:39:17,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1901 transitions. [2022-11-03 03:39:17,141 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1901 transitions. Word has length 346 [2022-11-03 03:39:17,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:17,142 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1901 transitions. [2022-11-03 03:39:17,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:17,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1901 transitions. [2022-11-03 03:39:17,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:39:17,144 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:17,144 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:17,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2022-11-03 03:39:17,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (129)] Ended with exit code 0 [2022-11-03 03:39:17,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 130 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,129 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:17,545 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:17,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:17,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1342390851, now seen corresponding path program 1 times [2022-11-03 03:39:17,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:17,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [137469844] [2022-11-03 03:39:17,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:17,547 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:17,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:17,548 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:17,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (131)] Waiting until timeout for monitored process [2022-11-03 03:39:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:18,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:18,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:18,696 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:18,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:18,869 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:18,869 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:18,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [137469844] [2022-11-03 03:39:18,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [137469844] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:18,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1420460384] [2022-11-03 03:39:18,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:18,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:18,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:39:18,871 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:39:18,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2022-11-03 03:39:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:20,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:39:20,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:20,699 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:39:20,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:20,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1420460384] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:20,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:39:20,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:39:20,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513032890] [2022-11-03 03:39:20,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:20,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:39:20,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:20,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:39:20,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:20,700 INFO L87 Difference]: Start difference. First operand 1484 states and 1901 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:21,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:21,189 INFO L93 Difference]: Finished difference Result 2547 states and 3304 transitions. [2022-11-03 03:39:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:21,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:39:21,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:21,191 INFO L225 Difference]: With dead ends: 2547 [2022-11-03 03:39:21,191 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:39:21,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:39:21,192 INFO L413 NwaCegarLoop]: 869 mSDtfsCounter, 799 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 1794 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:21,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 1794 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:39:21,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:39:21,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:39:21,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.27266530334015) internal successors, (1867), 1467 states have internal predecessors, (1867), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:39:21,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1897 transitions. [2022-11-03 03:39:21,342 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1897 transitions. Word has length 346 [2022-11-03 03:39:21,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:21,342 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1897 transitions. [2022-11-03 03:39:21,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:21,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1897 transitions. [2022-11-03 03:39:21,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:39:21,344 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:21,344 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:21,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (131)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:21,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2022-11-03 03:39:21,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 131 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,132 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:21,745 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:21,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:21,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1705857349, now seen corresponding path program 1 times [2022-11-03 03:39:21,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:21,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1591694257] [2022-11-03 03:39:21,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:21,747 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:21,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:21,748 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:21,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (133)] Waiting until timeout for monitored process [2022-11-03 03:39:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:22,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:22,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:22,925 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:22,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:23,102 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:23,102 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:23,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1591694257] [2022-11-03 03:39:23,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1591694257] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:23,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [236233783] [2022-11-03 03:39:23,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:23,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:23,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:39:23,103 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:39:23,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2022-11-03 03:39:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:24,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:39:24,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:24,993 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:39:24,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:24,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [236233783] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:24,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:39:24,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:39:24,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123086153] [2022-11-03 03:39:24,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:24,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:39:24,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:24,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:39:24,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:24,995 INFO L87 Difference]: Start difference. First operand 1484 states and 1897 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:25,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:25,545 INFO L93 Difference]: Finished difference Result 2539 states and 3287 transitions. [2022-11-03 03:39:25,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:25,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:39:25,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:25,548 INFO L225 Difference]: With dead ends: 2539 [2022-11-03 03:39:25,548 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:39:25,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:39:25,550 INFO L413 NwaCegarLoop]: 868 mSDtfsCounter, 793 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 1794 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:25,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 1794 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:39:25,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:39:25,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:39:25,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2699386503067485) internal successors, (1863), 1467 states have internal predecessors, (1863), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:39:25,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1893 transitions. [2022-11-03 03:39:25,686 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1893 transitions. Word has length 346 [2022-11-03 03:39:25,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:25,687 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1893 transitions. [2022-11-03 03:39:25,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:25,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1893 transitions. [2022-11-03 03:39:25,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:39:25,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:25,689 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:25,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2022-11-03 03:39:25,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (133)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:26,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 134 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,133 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:26,090 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:26,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:26,090 INFO L85 PathProgramCache]: Analyzing trace with hash 757805383, now seen corresponding path program 1 times [2022-11-03 03:39:26,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:26,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777981246] [2022-11-03 03:39:26,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:26,092 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:26,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:26,093 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:26,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (135)] Waiting until timeout for monitored process [2022-11-03 03:39:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:27,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:27,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:27,518 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:27,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:27,714 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:27,714 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:27,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [777981246] [2022-11-03 03:39:27,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [777981246] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:27,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1274595859] [2022-11-03 03:39:27,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:27,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:27,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:39:27,715 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:39:27,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2022-11-03 03:39:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:29,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:39:29,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:29,737 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:39:29,737 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:29,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1274595859] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:29,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:39:29,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:39:29,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130067434] [2022-11-03 03:39:29,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:29,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:39:29,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:29,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:39:29,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:29,742 INFO L87 Difference]: Start difference. First operand 1484 states and 1893 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:30,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:30,247 INFO L93 Difference]: Finished difference Result 2531 states and 3270 transitions. [2022-11-03 03:39:30,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:30,247 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:39:30,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:30,249 INFO L225 Difference]: With dead ends: 2531 [2022-11-03 03:39:30,249 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:39:30,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:39:30,251 INFO L413 NwaCegarLoop]: 865 mSDtfsCounter, 787 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 1788 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:30,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [790 Valid, 1788 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:39:30,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:39:30,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:39:30,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2672119972733469) internal successors, (1859), 1467 states have internal predecessors, (1859), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:39:30,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1889 transitions. [2022-11-03 03:39:30,368 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1889 transitions. Word has length 346 [2022-11-03 03:39:30,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:30,369 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1889 transitions. [2022-11-03 03:39:30,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:30,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1889 transitions. [2022-11-03 03:39:30,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:39:30,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:30,371 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:30,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2022-11-03 03:39:30,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (135)] Ended with exit code 0 [2022-11-03 03:39:30,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 136 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,135 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:30,772 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:30,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:30,772 INFO L85 PathProgramCache]: Analyzing trace with hash 51208777, now seen corresponding path program 1 times [2022-11-03 03:39:30,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:30,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748461333] [2022-11-03 03:39:30,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:30,774 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:30,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:30,775 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:30,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (137)] Waiting until timeout for monitored process [2022-11-03 03:39:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:31,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:31,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:31,934 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:31,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:32,104 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:32,104 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:32,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1748461333] [2022-11-03 03:39:32,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1748461333] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:32,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [106138000] [2022-11-03 03:39:32,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:32,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:32,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:39:32,106 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:39:32,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2022-11-03 03:39:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:33,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:39:33,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:33,954 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:39:33,954 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:33,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [106138000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:33,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:39:33,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:39:33,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813227442] [2022-11-03 03:39:33,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:33,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:39:33,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:33,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:39:33,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:33,955 INFO L87 Difference]: Start difference. First operand 1484 states and 1889 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:34,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:34,469 INFO L93 Difference]: Finished difference Result 2523 states and 3253 transitions. [2022-11-03 03:39:34,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:34,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:39:34,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:34,471 INFO L225 Difference]: With dead ends: 2523 [2022-11-03 03:39:34,471 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 03:39:34,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:39:34,472 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 781 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 1785 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:34,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 1785 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:39:34,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 03:39:34,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 03:39:34,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2644853442399455) internal successors, (1855), 1467 states have internal predecessors, (1855), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:39:34,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1885 transitions. [2022-11-03 03:39:34,600 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1885 transitions. Word has length 346 [2022-11-03 03:39:34,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:34,600 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1885 transitions. [2022-11-03 03:39:34,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:34,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1885 transitions. [2022-11-03 03:39:34,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:39:34,603 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:34,603 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:34,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (137)] Ended with exit code 0 [2022-11-03 03:39:34,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (138)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:35,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 137 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,138 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:35,004 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:35,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:35,004 INFO L85 PathProgramCache]: Analyzing trace with hash 539255883, now seen corresponding path program 1 times [2022-11-03 03:39:35,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:35,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [244447527] [2022-11-03 03:39:35,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:35,006 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:35,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:35,006 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:35,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (139)] Waiting until timeout for monitored process [2022-11-03 03:39:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:36,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:36,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:36,205 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:36,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:36,390 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:36,390 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:36,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [244447527] [2022-11-03 03:39:36,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [244447527] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:36,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1082047407] [2022-11-03 03:39:36,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:36,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:36,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:39:36,391 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:39:36,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2022-11-03 03:39:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:37,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:39:37,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:38,313 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:39:38,314 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:38,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1082047407] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:38,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:39:38,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:39:38,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184573867] [2022-11-03 03:39:38,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:38,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:39:38,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:38,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:39:38,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:38,315 INFO L87 Difference]: Start difference. First operand 1484 states and 1885 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:38,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:38,863 INFO L93 Difference]: Finished difference Result 2523 states and 3249 transitions. [2022-11-03 03:39:38,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:38,863 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:39:38,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:38,865 INFO L225 Difference]: With dead ends: 2523 [2022-11-03 03:39:38,866 INFO L226 Difference]: Without dead ends: 1861 [2022-11-03 03:39:38,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:39:38,867 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 773 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 1787 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:38,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 1787 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:39:38,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1861 states. [2022-11-03 03:39:39,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1861 to 1484. [2022-11-03 03:39:39,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2631220177232447) internal successors, (1853), 1467 states have internal predecessors, (1853), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:39:39,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1883 transitions. [2022-11-03 03:39:39,010 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1883 transitions. Word has length 346 [2022-11-03 03:39:39,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:39,010 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1883 transitions. [2022-11-03 03:39:39,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:39,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1883 transitions. [2022-11-03 03:39:39,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:39:39,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:39,014 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:39,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2022-11-03 03:39:39,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (139)] Ended with exit code 0 [2022-11-03 03:39:39,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 140 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,139 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:39,414 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:39,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:39,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1826779187, now seen corresponding path program 1 times [2022-11-03 03:39:39,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:39,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1719124347] [2022-11-03 03:39:39,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:39,417 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:39,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:39,417 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:39,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (141)] Waiting until timeout for monitored process [2022-11-03 03:39:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:40,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:40,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:40,656 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:40,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:40,844 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:40,844 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:40,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1719124347] [2022-11-03 03:39:40,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1719124347] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:40,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1467905262] [2022-11-03 03:39:40,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:40,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:40,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:39:40,846 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:39:40,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2022-11-03 03:39:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:42,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:39:42,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:42,862 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:39:42,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:42,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1467905262] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:42,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:39:42,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:39:42,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081877603] [2022-11-03 03:39:42,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:42,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:39:42,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:42,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:39:42,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:42,864 INFO L87 Difference]: Start difference. First operand 1484 states and 1883 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:43,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:43,432 INFO L93 Difference]: Finished difference Result 2537 states and 3264 transitions. [2022-11-03 03:39:43,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:43,432 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:39:43,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:43,434 INFO L225 Difference]: With dead ends: 2537 [2022-11-03 03:39:43,434 INFO L226 Difference]: Without dead ends: 1875 [2022-11-03 03:39:43,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:39:43,436 INFO L413 NwaCegarLoop]: 861 mSDtfsCounter, 763 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 766 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:43,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [766 Valid, 1783 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:39:43,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2022-11-03 03:39:43,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1484. [2022-11-03 03:39:43,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2603953646898431) internal successors, (1849), 1467 states have internal predecessors, (1849), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:39:43,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1879 transitions. [2022-11-03 03:39:43,584 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1879 transitions. Word has length 346 [2022-11-03 03:39:43,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:43,584 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1879 transitions. [2022-11-03 03:39:43,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:43,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1879 transitions. [2022-11-03 03:39:43,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:39:43,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:43,586 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:43,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (142)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:43,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (141)] Ended with exit code 0 [2022-11-03 03:39:43,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 142 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,141 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:43,990 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:43,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:43,991 INFO L85 PathProgramCache]: Analyzing trace with hash 326327631, now seen corresponding path program 1 times [2022-11-03 03:39:43,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:43,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076296894] [2022-11-03 03:39:43,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:43,992 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:43,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:43,994 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:43,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (143)] Waiting until timeout for monitored process [2022-11-03 03:39:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:45,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:45,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:45,189 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:45,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:45,369 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:45,369 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:45,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076296894] [2022-11-03 03:39:45,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1076296894] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:45,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1521624064] [2022-11-03 03:39:45,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:45,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:45,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:39:45,370 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:39:45,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2022-11-03 03:39:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:46,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:39:46,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:39:47,320 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:47,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1521624064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:47,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:39:47,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:39:47,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652289084] [2022-11-03 03:39:47,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:47,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:39:47,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:47,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:39:47,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:47,322 INFO L87 Difference]: Start difference. First operand 1484 states and 1879 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:47,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:47,839 INFO L93 Difference]: Finished difference Result 2561 states and 3289 transitions. [2022-11-03 03:39:47,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:47,839 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:39:47,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:47,841 INFO L225 Difference]: With dead ends: 2561 [2022-11-03 03:39:47,842 INFO L226 Difference]: Without dead ends: 1899 [2022-11-03 03:39:47,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:39:47,843 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 753 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 1782 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:47,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 1782 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:39:47,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1899 states. [2022-11-03 03:39:47,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1899 to 1488. [2022-11-03 03:39:47,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1488 states, 1471 states have (on average 1.2583276682528892) internal successors, (1851), 1471 states have internal predecessors, (1851), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:39:47,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 1881 transitions. [2022-11-03 03:39:47,964 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 1881 transitions. Word has length 346 [2022-11-03 03:39:47,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:47,964 INFO L495 AbstractCegarLoop]: Abstraction has 1488 states and 1881 transitions. [2022-11-03 03:39:47,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:47,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1881 transitions. [2022-11-03 03:39:47,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:39:47,966 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:47,966 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:47,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2022-11-03 03:39:48,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (143)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:48,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 144 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,143 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:48,374 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:48,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:48,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1357368529, now seen corresponding path program 1 times [2022-11-03 03:39:48,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:48,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [18660278] [2022-11-03 03:39:48,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:48,376 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:48,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:48,377 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:48,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (145)] Waiting until timeout for monitored process [2022-11-03 03:39:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:49,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:49,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:49,577 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:49,577 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:49,744 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:49,745 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:49,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [18660278] [2022-11-03 03:39:49,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [18660278] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:49,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [53882672] [2022-11-03 03:39:49,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:49,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:49,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:39:49,746 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:39:49,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2022-11-03 03:39:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:51,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:39:51,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:51,718 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 03:39:51,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:51,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [53882672] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:51,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:39:51,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 03:39:51,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550366268] [2022-11-03 03:39:51,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:51,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:39:51,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:51,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:39:51,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:39:51,720 INFO L87 Difference]: Start difference. First operand 1488 states and 1881 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:52,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:52,232 INFO L93 Difference]: Finished difference Result 2573 states and 3295 transitions. [2022-11-03 03:39:52,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:52,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 03:39:52,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:52,236 INFO L225 Difference]: With dead ends: 2573 [2022-11-03 03:39:52,236 INFO L226 Difference]: Without dead ends: 1911 [2022-11-03 03:39:52,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 03:39:52,237 INFO L413 NwaCegarLoop]: 858 mSDtfsCounter, 747 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 1779 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:52,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 1779 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:39:52,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1911 states. [2022-11-03 03:39:52,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1911 to 1492. [2022-11-03 03:39:52,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1475 states have (on average 1.256271186440678) internal successors, (1853), 1475 states have internal predecessors, (1853), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:39:52,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 1883 transitions. [2022-11-03 03:39:52,371 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 1883 transitions. Word has length 346 [2022-11-03 03:39:52,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:52,371 INFO L495 AbstractCegarLoop]: Abstraction has 1492 states and 1883 transitions. [2022-11-03 03:39:52,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:39:52,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1883 transitions. [2022-11-03 03:39:52,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 03:39:52,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:52,374 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:52,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (145)] Ended with exit code 0 [2022-11-03 03:39:52,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2022-11-03 03:39:52,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 145 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,146 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:52,775 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:52,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:52,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1586213549, now seen corresponding path program 1 times [2022-11-03 03:39:52,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:52,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480534864] [2022-11-03 03:39:52,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:52,777 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:52,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:52,778 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:52,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (147)] Waiting until timeout for monitored process [2022-11-03 03:39:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:53,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:53,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:53,956 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:53,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:54,151 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:54,151 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:54,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480534864] [2022-11-03 03:39:54,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [480534864] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:54,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1772173446] [2022-11-03 03:39:54,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:54,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:54,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:39:54,152 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:39:54,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2022-11-03 03:39:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:56,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:39:56,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:56,434 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:56,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:56,557 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:56,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1772173446] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:56,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933721473] [2022-11-03 03:39:56,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:56,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:39:56,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:39:56,562 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:39:56,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (149)] Waiting until timeout for monitored process [2022-11-03 03:39:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:57,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:39:57,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:57,671 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 03:39:57,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:57,888 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 03:39:57,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933721473] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:57,889 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-03 03:39:57,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9, 8, 10, 10] total 24 [2022-11-03 03:39:57,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517787599] [2022-11-03 03:39:57,889 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-03 03:39:57,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-03 03:39:57,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:57,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-03 03:39:57,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-11-03 03:39:57,891 INFO L87 Difference]: Start difference. First operand 1492 states and 1883 transitions. Second operand has 24 states, 19 states have (on average 14.947368421052632) internal successors, (284), 24 states have internal predecessors, (284), 11 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 6 states have call predecessors, (21), 11 states have call successors, (21) [2022-11-03 03:40:00,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:00,240 INFO L93 Difference]: Finished difference Result 2169 states and 2752 transitions. [2022-11-03 03:40:00,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-03 03:40:00,241 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 19 states have (on average 14.947368421052632) internal successors, (284), 24 states have internal predecessors, (284), 11 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 6 states have call predecessors, (21), 11 states have call successors, (21) Word has length 346 [2022-11-03 03:40:00,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:00,242 INFO L225 Difference]: With dead ends: 2169 [2022-11-03 03:40:00,242 INFO L226 Difference]: Without dead ends: 1108 [2022-11-03 03:40:00,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2086 GetRequests, 2044 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=334, Invalid=1226, Unknown=0, NotChecked=0, Total=1560 [2022-11-03 03:40:00,243 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 5301 mSDsluCounter, 2419 mSDsCounter, 0 mSdLazyCounter, 1152 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5301 SdHoareTripleChecker+Valid, 2692 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:00,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5301 Valid, 2692 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1152 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-03 03:40:00,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2022-11-03 03:40:00,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1098. [2022-11-03 03:40:00,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 1081 states have (on average 1.2941720629047178) internal successors, (1399), 1081 states have internal predecessors, (1399), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:40:00,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1429 transitions. [2022-11-03 03:40:00,379 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1429 transitions. Word has length 346 [2022-11-03 03:40:00,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:00,379 INFO L495 AbstractCegarLoop]: Abstraction has 1098 states and 1429 transitions. [2022-11-03 03:40:00,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 19 states have (on average 14.947368421052632) internal successors, (284), 24 states have internal predecessors, (284), 11 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 6 states have call predecessors, (21), 11 states have call successors, (21) [2022-11-03 03:40:00,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1429 transitions. [2022-11-03 03:40:00,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-03 03:40:00,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:00,384 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:00,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2022-11-03 03:40:00,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (149)] Forceful destruction successful, exit code 0 [2022-11-03 03:40:00,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (147)] Ended with exit code 0 [2022-11-03 03:40:01,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 148 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,149 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,147 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:40:01,006 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:01,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:01,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1532583156, now seen corresponding path program 1 times [2022-11-03 03:40:01,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:01,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [753842874] [2022-11-03 03:40:01,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:01,009 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:01,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:01,010 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:01,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (150)] Waiting until timeout for monitored process [2022-11-03 03:40:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:02,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:40:02,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:03,953 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 14 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-11-03 03:40:03,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:40:04,015 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:04,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [753842874] [2022-11-03 03:40:04,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [753842874] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:40:04,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2004463539] [2022-11-03 03:40:04,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:04,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:40:04,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:40:04,017 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:40:04,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2022-11-03 03:40:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:07,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:40:07,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:08,942 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 389 proven. 82 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 03:40:08,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:40:09,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2004463539] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:40:09,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804722954] [2022-11-03 03:40:09,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:09,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:40:09,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:40:09,506 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:40:09,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (152)] Waiting until timeout for monitored process [2022-11-03 03:40:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:10,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:40:10,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:13,350 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 57 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-11-03 03:40:13,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:40:13,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804722954] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:40:13,624 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:40:13,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 19 [2022-11-03 03:40:13,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954682904] [2022-11-03 03:40:13,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:40:13,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-03 03:40:13,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:40:13,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-03 03:40:13,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2022-11-03 03:40:13,627 INFO L87 Difference]: Start difference. First operand 1098 states and 1429 transitions. Second operand has 19 states, 19 states have (on average 59.63157894736842) internal successors, (1133), 19 states have internal predecessors, (1133), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:40:46,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:46,794 INFO L93 Difference]: Finished difference Result 12280 states and 16357 transitions. [2022-11-03 03:40:46,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2022-11-03 03:40:46,794 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 59.63157894736842) internal successors, (1133), 19 states have internal predecessors, (1133), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 597 [2022-11-03 03:40:46,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:46,801 INFO L225 Difference]: With dead ends: 12280 [2022-11-03 03:40:46,801 INFO L226 Difference]: Without dead ends: 11316 [2022-11-03 03:40:46,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2930 GetRequests, 2747 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11808 ImplicationChecksByTransitivity, 22.1s TimeCoverageRelationStatistics Valid=6652, Invalid=27388, Unknown=0, NotChecked=0, Total=34040 [2022-11-03 03:40:46,806 INFO L413 NwaCegarLoop]: 2179 mSDtfsCounter, 22489 mSDsluCounter, 22033 mSDsCounter, 0 mSdLazyCounter, 5781 mSolverCounterSat, 1151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22489 SdHoareTripleChecker+Valid, 24212 SdHoareTripleChecker+Invalid, 6932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1151 IncrementalHoareTripleChecker+Valid, 5781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:46,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22489 Valid, 24212 Invalid, 6932 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1151 Valid, 5781 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-11-03 03:40:46,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11316 states. [2022-11-03 03:40:47,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11316 to 1337. [2022-11-03 03:40:47,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1337 states, 1317 states have (on average 1.319665907365224) internal successors, (1738), 1317 states have internal predecessors, (1738), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-03 03:40:47,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1774 transitions. [2022-11-03 03:40:47,005 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1774 transitions. Word has length 597 [2022-11-03 03:40:47,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:47,006 INFO L495 AbstractCegarLoop]: Abstraction has 1337 states and 1774 transitions. [2022-11-03 03:40:47,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 59.63157894736842) internal successors, (1133), 19 states have internal predecessors, (1133), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:40:47,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1774 transitions. [2022-11-03 03:40:47,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-03 03:40:47,009 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:47,009 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:47,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (152)] Ended with exit code 0 [2022-11-03 03:40:47,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (150)] Ended with exit code 0 [2022-11-03 03:40:47,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2022-11-03 03:40:47,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 152 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,150 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,151 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 03:40:47,610 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:47,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:47,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1410519814, now seen corresponding path program 1 times [2022-11-03 03:40:47,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:40:47,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401080633] [2022-11-03 03:40:47,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:47,613 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:40:47,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:40:47,614 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:40:47,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (153)] Waiting until timeout for monitored process [2022-11-03 03:40:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:49,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:40:49,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:50,578 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 18 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-11-03 03:40:50,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:40:50,661 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:40:50,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401080633] [2022-11-03 03:40:50,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [401080633] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:40:50,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [843630754] [2022-11-03 03:40:50,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:50,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:40:50,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:40:50,666 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:40:50,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2022-11-03 03:40:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:53,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:40:53,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:56,581 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 381 proven. 90 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 03:40:56,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:40:57,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [843630754] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:40:57,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236337984] [2022-11-03 03:40:57,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:57,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:40:57,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:40:57,208 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:40:57,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (155)] Waiting until timeout for monitored process [2022-11-03 03:40:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:58,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:40:58,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:41:00,205 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 19 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-03 03:41:00,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:41:00,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236337984] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:41:00,426 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:41:00,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 20 [2022-11-03 03:41:00,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129796268] [2022-11-03 03:41:00,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:41:00,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 03:41:00,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:41:00,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 03:41:00,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-11-03 03:41:00,429 INFO L87 Difference]: Start difference. First operand 1337 states and 1774 transitions. Second operand has 20 states, 20 states have (on average 55.25) internal successors, (1105), 20 states have internal predecessors, (1105), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:41:29,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:29,209 INFO L93 Difference]: Finished difference Result 13744 states and 18418 transitions. [2022-11-03 03:41:29,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2022-11-03 03:41:29,210 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 55.25) internal successors, (1105), 20 states have internal predecessors, (1105), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 597 [2022-11-03 03:41:29,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:29,217 INFO L225 Difference]: With dead ends: 13744 [2022-11-03 03:41:29,217 INFO L226 Difference]: Without dead ends: 12547 [2022-11-03 03:41:29,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2925 GetRequests, 2745 SyntacticMatches, 0 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11446 ImplicationChecksByTransitivity, 18.1s TimeCoverageRelationStatistics Valid=6603, Invalid=26339, Unknown=0, NotChecked=0, Total=32942 [2022-11-03 03:41:29,224 INFO L413 NwaCegarLoop]: 2007 mSDtfsCounter, 26587 mSDsluCounter, 21662 mSDsCounter, 0 mSdLazyCounter, 5253 mSolverCounterSat, 1326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26587 SdHoareTripleChecker+Valid, 23669 SdHoareTripleChecker+Invalid, 6579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1326 IncrementalHoareTripleChecker+Valid, 5253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:29,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26587 Valid, 23669 Invalid, 6579 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1326 Valid, 5253 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2022-11-03 03:41:29,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12547 states. [2022-11-03 03:41:29,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12547 to 1347. [2022-11-03 03:41:29,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1347 states, 1327 states have (on average 1.3134890730972117) internal successors, (1743), 1327 states have internal predecessors, (1743), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-03 03:41:29,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1779 transitions. [2022-11-03 03:41:29,492 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1779 transitions. Word has length 597 [2022-11-03 03:41:29,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:29,493 INFO L495 AbstractCegarLoop]: Abstraction has 1347 states and 1779 transitions. [2022-11-03 03:41:29,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 55.25) internal successors, (1105), 20 states have internal predecessors, (1105), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:41:29,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1779 transitions. [2022-11-03 03:41:29,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-03 03:41:29,496 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:29,497 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:41:29,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (153)] Ended with exit code 0 [2022-11-03 03:41:29,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (154)] Forceful destruction successful, exit code 0 [2022-11-03 03:41:29,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (155)] Ended with exit code 0 [2022-11-03 03:41:30,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 153 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,154 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,155 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:41:30,098 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:30,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:30,098 INFO L85 PathProgramCache]: Analyzing trace with hash 767794816, now seen corresponding path program 1 times [2022-11-03 03:41:30,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:41:30,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003456532] [2022-11-03 03:41:30,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:30,100 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:41:30,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:41:30,101 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:41:30,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (156)] Waiting until timeout for monitored process [2022-11-03 03:41:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:31,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:41:31,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:41:33,100 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 20 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-03 03:41:33,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:41:33,169 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:41:33,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003456532] [2022-11-03 03:41:33,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1003456532] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:41:33,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [549331902] [2022-11-03 03:41:33,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:33,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:41:33,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:41:33,171 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:41:33,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2022-11-03 03:41:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:36,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:41:36,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:41:39,443 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 377 proven. 94 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 03:41:39,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:41:40,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [549331902] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:41:40,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140256407] [2022-11-03 03:41:40,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:40,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:41:40,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:41:40,094 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:41:40,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (158)] Waiting until timeout for monitored process [2022-11-03 03:41:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:41,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:41:41,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:41:44,167 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 51 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-11-03 03:41:44,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:41:44,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140256407] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:41:44,447 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:41:44,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 20 [2022-11-03 03:41:44,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761084750] [2022-11-03 03:41:44,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:41:44,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 03:41:44,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:41:44,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 03:41:44,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-11-03 03:41:44,450 INFO L87 Difference]: Start difference. First operand 1347 states and 1779 transitions. Second operand has 20 states, 20 states have (on average 57.05) internal successors, (1141), 20 states have internal predecessors, (1141), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:42:15,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:42:15,940 INFO L93 Difference]: Finished difference Result 14124 states and 18847 transitions. [2022-11-03 03:42:15,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2022-11-03 03:42:15,940 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 57.05) internal successors, (1141), 20 states have internal predecessors, (1141), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 597 [2022-11-03 03:42:15,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:42:15,948 INFO L225 Difference]: With dead ends: 14124 [2022-11-03 03:42:15,948 INFO L226 Difference]: Without dead ends: 12949 [2022-11-03 03:42:15,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2926 GetRequests, 2745 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11583 ImplicationChecksByTransitivity, 19.8s TimeCoverageRelationStatistics Valid=6661, Invalid=26645, Unknown=0, NotChecked=0, Total=33306 [2022-11-03 03:42:15,951 INFO L413 NwaCegarLoop]: 2630 mSDtfsCounter, 23373 mSDsluCounter, 24268 mSDsCounter, 0 mSdLazyCounter, 5925 mSolverCounterSat, 1213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23373 SdHoareTripleChecker+Valid, 26898 SdHoareTripleChecker+Invalid, 7138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1213 IncrementalHoareTripleChecker+Valid, 5925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:42:15,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23373 Valid, 26898 Invalid, 7138 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1213 Valid, 5925 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-11-03 03:42:15,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12949 states. [2022-11-03 03:42:16,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12949 to 1355. [2022-11-03 03:42:16,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1355 states, 1335 states have (on average 1.3063670411985018) internal successors, (1744), 1335 states have internal predecessors, (1744), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-03 03:42:16,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 1780 transitions. [2022-11-03 03:42:16,199 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 1780 transitions. Word has length 597 [2022-11-03 03:42:16,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:42:16,199 INFO L495 AbstractCegarLoop]: Abstraction has 1355 states and 1780 transitions. [2022-11-03 03:42:16,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 57.05) internal successors, (1141), 20 states have internal predecessors, (1141), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:42:16,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1780 transitions. [2022-11-03 03:42:16,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-03 03:42:16,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:16,203 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:42:16,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (158)] Forceful destruction successful, exit code 0 [2022-11-03 03:42:16,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (157)] Forceful destruction successful, exit code 0 [2022-11-03 03:42:16,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (156)] Ended with exit code 0 [2022-11-03 03:42:16,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 158 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,157 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,156 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:42:16,803 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:42:16,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:16,804 INFO L85 PathProgramCache]: Analyzing trace with hash 2043617670, now seen corresponding path program 1 times [2022-11-03 03:42:16,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:42:16,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035200286] [2022-11-03 03:42:16,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:16,806 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:42:16,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:42:16,807 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:42:16,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (159)] Waiting until timeout for monitored process [2022-11-03 03:42:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:18,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:42:18,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:42:20,003 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 22 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-11-03 03:42:20,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:42:20,073 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:42:20,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035200286] [2022-11-03 03:42:20,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035200286] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:42:20,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [96423526] [2022-11-03 03:42:20,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:20,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:42:20,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:42:20,075 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:42:20,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2022-11-03 03:42:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:23,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:42:23,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:42:26,538 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 373 proven. 98 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 03:42:26,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:42:27,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [96423526] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:42:27,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412252231] [2022-11-03 03:42:27,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:27,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:42:27,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:42:27,166 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:42:27,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (161)] Waiting until timeout for monitored process [2022-11-03 03:42:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:28,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:42:28,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:42:30,976 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 53 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-03 03:42:30,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:42:31,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412252231] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:42:31,271 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:42:31,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 20 [2022-11-03 03:42:31,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337592744] [2022-11-03 03:42:31,272 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:42:31,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 03:42:31,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:42:31,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 03:42:31,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-11-03 03:42:31,274 INFO L87 Difference]: Start difference. First operand 1355 states and 1780 transitions. Second operand has 20 states, 20 states have (on average 57.35) internal successors, (1147), 20 states have internal predecessors, (1147), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:43:03,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:43:03,660 INFO L93 Difference]: Finished difference Result 14172 states and 18829 transitions. [2022-11-03 03:43:03,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2022-11-03 03:43:03,661 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 57.35) internal successors, (1147), 20 states have internal predecessors, (1147), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 597 [2022-11-03 03:43:03,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:43:03,669 INFO L225 Difference]: With dead ends: 14172 [2022-11-03 03:43:03,669 INFO L226 Difference]: Without dead ends: 12991 [2022-11-03 03:43:03,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2926 GetRequests, 2745 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11642 ImplicationChecksByTransitivity, 20.5s TimeCoverageRelationStatistics Valid=6661, Invalid=26645, Unknown=0, NotChecked=0, Total=33306 [2022-11-03 03:43:03,672 INFO L413 NwaCegarLoop]: 2307 mSDtfsCounter, 22997 mSDsluCounter, 23140 mSDsCounter, 0 mSdLazyCounter, 5683 mSolverCounterSat, 1180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22997 SdHoareTripleChecker+Valid, 25447 SdHoareTripleChecker+Invalid, 6863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1180 IncrementalHoareTripleChecker+Valid, 5683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:43:03,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22997 Valid, 25447 Invalid, 6863 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1180 Valid, 5683 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-11-03 03:43:03,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12991 states. [2022-11-03 03:43:03,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12991 to 1363. [2022-11-03 03:43:03,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1363 states, 1343 states have (on average 1.2993298585256887) internal successors, (1745), 1343 states have internal predecessors, (1745), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-03 03:43:03,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1781 transitions. [2022-11-03 03:43:03,916 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1781 transitions. Word has length 597 [2022-11-03 03:43:03,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:43:03,916 INFO L495 AbstractCegarLoop]: Abstraction has 1363 states and 1781 transitions. [2022-11-03 03:43:03,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 57.35) internal successors, (1147), 20 states have internal predecessors, (1147), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:43:03,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1781 transitions. [2022-11-03 03:43:03,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-03 03:43:03,919 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:43:03,920 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:43:03,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (161)] Ended with exit code 0 [2022-11-03 03:43:04,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (160)] Forceful destruction successful, exit code 0 [2022-11-03 03:43:04,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (159)] Ended with exit code 0 [2022-11-03 03:43:04,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 161 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,160 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,159 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:43:04,521 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:43:04,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:43:04,521 INFO L85 PathProgramCache]: Analyzing trace with hash -2097084788, now seen corresponding path program 1 times [2022-11-03 03:43:04,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:43:04,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [713499025] [2022-11-03 03:43:04,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:43:04,523 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:43:04,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:43:04,524 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:43:04,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (162)] Waiting until timeout for monitored process [2022-11-03 03:43:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:43:06,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:43:06,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:43:07,591 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 24 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-11-03 03:43:07,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:43:07,671 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:43:07,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [713499025] [2022-11-03 03:43:07,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [713499025] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:43:07,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [912751974] [2022-11-03 03:43:07,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:43:07,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:43:07,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:43:07,673 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:43:07,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2022-11-03 03:43:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:43:10,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:43:10,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:43:14,213 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 365 proven. 106 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 03:43:14,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:43:14,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [912751974] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:43:14,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468268817] [2022-11-03 03:43:14,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:43:14,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:43:14,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:43:14,889 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:43:14,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (164)] Waiting until timeout for monitored process [2022-11-03 03:43:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:43:16,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:43:16,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:43:18,841 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 41 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-03 03:43:18,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:43:19,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468268817] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:43:19,120 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:43:19,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 20 [2022-11-03 03:43:19,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306390772] [2022-11-03 03:43:19,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:43:19,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 03:43:19,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:43:19,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 03:43:19,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2022-11-03 03:43:19,123 INFO L87 Difference]: Start difference. First operand 1363 states and 1781 transitions. Second operand has 20 states, 20 states have (on average 57.15) internal successors, (1143), 20 states have internal predecessors, (1143), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:43:37,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:43:37,021 INFO L93 Difference]: Finished difference Result 9009 states and 11834 transitions. [2022-11-03 03:43:37,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-11-03 03:43:37,022 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 57.15) internal successors, (1143), 20 states have internal predecessors, (1143), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 597 [2022-11-03 03:43:37,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:43:37,027 INFO L225 Difference]: With dead ends: 9009 [2022-11-03 03:43:37,027 INFO L226 Difference]: Without dead ends: 7808 [2022-11-03 03:43:37,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2862 GetRequests, 2745 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3910 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=3215, Invalid=10827, Unknown=0, NotChecked=0, Total=14042 [2022-11-03 03:43:37,029 INFO L413 NwaCegarLoop]: 1637 mSDtfsCounter, 24172 mSDsluCounter, 17263 mSDsCounter, 0 mSdLazyCounter, 3995 mSolverCounterSat, 848 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24172 SdHoareTripleChecker+Valid, 18900 SdHoareTripleChecker+Invalid, 4843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 848 IncrementalHoareTripleChecker+Valid, 3995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:43:37,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24172 Valid, 18900 Invalid, 4843 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [848 Valid, 3995 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-03 03:43:37,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7808 states. [2022-11-03 03:43:37,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7808 to 1379. [2022-11-03 03:43:37,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1379 states, 1359 states have (on average 1.2921265636497425) internal successors, (1756), 1359 states have internal predecessors, (1756), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-03 03:43:37,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 1792 transitions. [2022-11-03 03:43:37,269 INFO L78 Accepts]: Start accepts. Automaton has 1379 states and 1792 transitions. Word has length 597 [2022-11-03 03:43:37,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:43:37,269 INFO L495 AbstractCegarLoop]: Abstraction has 1379 states and 1792 transitions. [2022-11-03 03:43:37,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 57.15) internal successors, (1143), 20 states have internal predecessors, (1143), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:43:37,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1792 transitions. [2022-11-03 03:43:37,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-03 03:43:37,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:43:37,273 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:43:37,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2022-11-03 03:43:37,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (164)] Ended with exit code 0 [2022-11-03 03:43:37,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (162)] Ended with exit code 0 [2022-11-03 03:43:37,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 163 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,164 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,162 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:43:37,874 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:43:37,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:43:37,875 INFO L85 PathProgramCache]: Analyzing trace with hash 2091438866, now seen corresponding path program 1 times [2022-11-03 03:43:37,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:43:37,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [119592647] [2022-11-03 03:43:37,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:43:37,878 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:43:37,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:43:37,880 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:43:37,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (165)] Waiting until timeout for monitored process [2022-11-03 03:43:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:43:39,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:43:39,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:43:40,967 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 26 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-03 03:43:40,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:43:41,045 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:43:41,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [119592647] [2022-11-03 03:43:41,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [119592647] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:43:41,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1960609898] [2022-11-03 03:43:41,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:43:41,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:43:41,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:43:41,047 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:43:41,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2022-11-03 03:43:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:43:44,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:43:44,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:43:47,936 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 361 proven. 110 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 03:43:47,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:43:48,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1960609898] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:43:48,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395718096] [2022-11-03 03:43:48,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:43:48,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:43:48,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:43:48,673 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:43:48,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (167)] Waiting until timeout for monitored process [2022-11-03 03:43:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:43:49,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:43:49,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:43:52,015 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 29 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-03 03:43:52,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:43:52,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395718096] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:43:52,345 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:43:52,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 20 [2022-11-03 03:43:52,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565173787] [2022-11-03 03:43:52,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:43:52,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 03:43:52,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:43:52,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 03:43:52,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-11-03 03:43:52,347 INFO L87 Difference]: Start difference. First operand 1379 states and 1792 transitions. Second operand has 20 states, 20 states have (on average 56.75) internal successors, (1135), 20 states have internal predecessors, (1135), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:44:24,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:44:24,621 INFO L93 Difference]: Finished difference Result 15214 states and 20175 transitions. [2022-11-03 03:44:24,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2022-11-03 03:44:24,621 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 56.75) internal successors, (1135), 20 states have internal predecessors, (1135), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 597 [2022-11-03 03:44:24,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:44:24,632 INFO L225 Difference]: With dead ends: 15214 [2022-11-03 03:44:24,632 INFO L226 Difference]: Without dead ends: 13957 [2022-11-03 03:44:24,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2926 GetRequests, 2745 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11577 ImplicationChecksByTransitivity, 20.2s TimeCoverageRelationStatistics Valid=6661, Invalid=26645, Unknown=0, NotChecked=0, Total=33306 [2022-11-03 03:44:24,636 INFO L413 NwaCegarLoop]: 1552 mSDtfsCounter, 25628 mSDsluCounter, 20758 mSDsCounter, 0 mSdLazyCounter, 5078 mSolverCounterSat, 1268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25628 SdHoareTripleChecker+Valid, 22310 SdHoareTripleChecker+Invalid, 6346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1268 IncrementalHoareTripleChecker+Valid, 5078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:44:24,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25628 Valid, 22310 Invalid, 6346 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1268 Valid, 5078 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-11-03 03:44:24,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13957 states. [2022-11-03 03:44:24,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13957 to 1427. [2022-11-03 03:44:24,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1427 states, 1407 states have (on average 1.2878464818763327) internal successors, (1812), 1407 states have internal predecessors, (1812), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-03 03:44:24,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 1848 transitions. [2022-11-03 03:44:24,961 INFO L78 Accepts]: Start accepts. Automaton has 1427 states and 1848 transitions. Word has length 597 [2022-11-03 03:44:24,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:44:24,961 INFO L495 AbstractCegarLoop]: Abstraction has 1427 states and 1848 transitions. [2022-11-03 03:44:24,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 56.75) internal successors, (1135), 20 states have internal predecessors, (1135), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:44:24,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 1848 transitions. [2022-11-03 03:44:24,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-03 03:44:24,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:44:24,967 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:44:25,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (165)] Forceful destruction successful, exit code 0 [2022-11-03 03:44:25,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (166)] Forceful destruction successful, exit code 0 [2022-11-03 03:44:25,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (167)] Ended with exit code 0 [2022-11-03 03:44:25,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 165 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,166 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,167 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:44:25,590 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:44:25,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:44:25,591 INFO L85 PathProgramCache]: Analyzing trace with hash 993564184, now seen corresponding path program 1 times [2022-11-03 03:44:25,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:44:25,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [531056801] [2022-11-03 03:44:25,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:25,594 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:44:25,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:44:25,595 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:44:25,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (168)] Waiting until timeout for monitored process [2022-11-03 03:44:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:27,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:44:27,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:44:29,202 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 28 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-03 03:44:29,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:44:29,306 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:44:29,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [531056801] [2022-11-03 03:44:29,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [531056801] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:44:29,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [124730971] [2022-11-03 03:44:29,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:29,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:44:29,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:44:29,308 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:44:29,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2022-11-03 03:44:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:32,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:44:32,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:44:37,181 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 357 proven. 114 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 03:44:37,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:44:38,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [124730971] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:44:38,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148504873] [2022-11-03 03:44:38,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:38,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:44:38,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:44:38,094 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:44:38,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (170)] Waiting until timeout for monitored process [2022-11-03 03:44:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:39,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:44:39,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:44:42,834 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 35 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-03 03:44:42,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:44:43,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148504873] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:44:43,175 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:44:43,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 20 [2022-11-03 03:44:43,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528855844] [2022-11-03 03:44:43,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:44:43,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 03:44:43,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:44:43,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 03:44:43,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-11-03 03:44:43,178 INFO L87 Difference]: Start difference. First operand 1427 states and 1848 transitions. Second operand has 20 states, 20 states have (on average 57.25) internal successors, (1145), 20 states have internal predecessors, (1145), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:45:19,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:19,383 INFO L93 Difference]: Finished difference Result 15342 states and 20243 transitions. [2022-11-03 03:45:19,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2022-11-03 03:45:19,383 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 57.25) internal successors, (1145), 20 states have internal predecessors, (1145), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 597 [2022-11-03 03:45:19,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:19,394 INFO L225 Difference]: With dead ends: 15342 [2022-11-03 03:45:19,394 INFO L226 Difference]: Without dead ends: 14053 [2022-11-03 03:45:19,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2926 GetRequests, 2745 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11652 ImplicationChecksByTransitivity, 22.0s TimeCoverageRelationStatistics Valid=6661, Invalid=26645, Unknown=0, NotChecked=0, Total=33306 [2022-11-03 03:45:19,397 INFO L413 NwaCegarLoop]: 2461 mSDtfsCounter, 24083 mSDsluCounter, 22662 mSDsCounter, 0 mSdLazyCounter, 5702 mSolverCounterSat, 1289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24083 SdHoareTripleChecker+Valid, 25123 SdHoareTripleChecker+Invalid, 6991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1289 IncrementalHoareTripleChecker+Valid, 5702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:19,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24083 Valid, 25123 Invalid, 6991 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1289 Valid, 5702 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2022-11-03 03:45:19,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14053 states. [2022-11-03 03:45:19,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14053 to 1471. [2022-11-03 03:45:19,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 1451 states have (on average 1.284631288766368) internal successors, (1864), 1451 states have internal predecessors, (1864), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-03 03:45:19,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 1900 transitions. [2022-11-03 03:45:19,748 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 1900 transitions. Word has length 597 [2022-11-03 03:45:19,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:45:19,748 INFO L495 AbstractCegarLoop]: Abstraction has 1471 states and 1900 transitions. [2022-11-03 03:45:19,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 57.25) internal successors, (1145), 20 states have internal predecessors, (1145), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 03:45:19,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 1900 transitions. [2022-11-03 03:45:19,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-03 03:45:19,753 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:19,753 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:45:19,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (169)] Forceful destruction successful, exit code 0 [2022-11-03 03:45:19,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (168)] Ended with exit code 0 [2022-11-03 03:45:20,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (170)] Forceful destruction successful, exit code 0 [2022-11-03 03:45:20,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 169 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,168 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,170 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:45:20,354 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:45:20,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:20,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1245721570, now seen corresponding path program 1 times [2022-11-03 03:45:20,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:45:20,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202459773] [2022-11-03 03:45:20,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:20,357 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:45:20,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:45:20,358 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:45:20,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (171)] Waiting until timeout for monitored process [2022-11-03 03:45:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:22,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:45:22,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:45:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 32 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-11-03 03:45:24,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:45:24,156 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:45:24,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202459773] [2022-11-03 03:45:24,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202459773] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:45:24,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1934321164] [2022-11-03 03:45:24,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:24,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:45:24,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:45:24,158 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:45:24,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40bcd2a-6d4b-4095-9484-d6cb2e917125/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2022-11-03 03:45:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:27,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 03:45:27,783 INFO L286 TraceCheckSpWp]: Computing forward predicates...