./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.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_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/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_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/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_98a315b0-2c87-4d32-a3f3-6da2e86e1394/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 91d689c5a5bae1ea1bc2d6a319e14aa1da809e3bbd33a225566bffc3a9c50218 --- 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 03:32:47,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:32:47,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:32:47,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:32:47,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:32:47,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:32:47,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:32:47,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:32:47,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:32:47,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:32:47,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:32:47,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:32:47,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:32:47,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:32:47,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:32:47,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:32:47,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:32:47,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:32:47,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:32:47,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:32:47,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:32:47,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:32:47,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:32:47,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:32:47,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:32:47,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:32:47,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:32:47,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:32:47,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:32:47,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:32:47,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:32:47,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:32:47,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:32:47,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:32:47,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:32:47,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:32:47,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:32:47,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:32:47,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:32:47,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:32:47,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:32:47,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:32:47,364 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:32:47,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:32:47,365 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:32:47,366 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:32:47,367 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:32:47,367 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:32:47,368 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:32:47,368 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:32:47,368 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:32:47,368 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:32:47,370 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:32:47,370 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:32:47,370 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:32:47,370 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:32:47,371 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:32:47,371 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:32:47,371 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:32:47,371 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:32:47,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:32:47,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:32:47,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:32:47,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:32:47,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:32:47,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:32:47,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:32:47,374 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:32:47,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:32:47,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:32:47,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:32:47,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:32:47,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:32:47,377 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:32:47,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:32:47,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:32:47,378 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:32:47,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:32:47,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:32:47,379 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:32:47,379 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_98a315b0-2c87-4d32-a3f3-6da2e86e1394/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91d689c5a5bae1ea1bc2d6a319e14aa1da809e3bbd33a225566bffc3a9c50218 [2022-11-03 03:32:47,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:32:47,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:32:47,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:32:47,754 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:32:47,755 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:32:47,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c [2022-11-03 03:32:47,832 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/data/9b849e93d/72430eaae5264e1781ef625d6da78cbf/FLAG2dd01e3da [2022-11-03 03:32:48,500 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:32:48,501 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c [2022-11-03 03:32:48,529 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/data/9b849e93d/72430eaae5264e1781ef625d6da78cbf/FLAG2dd01e3da [2022-11-03 03:32:48,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/data/9b849e93d/72430eaae5264e1781ef625d6da78cbf [2022-11-03 03:32:48,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:32:48,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:32:48,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:32:48,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:32:48,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:32:48,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:32:48" (1/1) ... [2022-11-03 03:32:48,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1305ac32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:48, skipping insertion in model container [2022-11-03 03:32:48,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:32:48" (1/1) ... [2022-11-03 03:32:48,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:32:48,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:32:49,127 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_98a315b0-2c87-4d32-a3f3-6da2e86e1394/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c[1014,1027] [2022-11-03 03:32:49,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:32:49,499 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:32:49,509 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_98a315b0-2c87-4d32-a3f3-6da2e86e1394/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c[1014,1027] [2022-11-03 03:32:49,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:32:49,660 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:32:49,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:49 WrapperNode [2022-11-03 03:32:49,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:32:49,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:32:49,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:32:49,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:32:49,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:49" (1/1) ... [2022-11-03 03:32:49,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:49" (1/1) ... [2022-11-03 03:32:49,979 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2043 [2022-11-03 03:32:49,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:32:49,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:32:49,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:32:49,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:32:49,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:49" (1/1) ... [2022-11-03 03:32:49,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:49" (1/1) ... [2022-11-03 03:32:50,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:49" (1/1) ... [2022-11-03 03:32:50,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:49" (1/1) ... [2022-11-03 03:32:50,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:49" (1/1) ... [2022-11-03 03:32:50,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:49" (1/1) ... [2022-11-03 03:32:50,175 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:49" (1/1) ... [2022-11-03 03:32:50,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:49" (1/1) ... [2022-11-03 03:32:50,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:32:50,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:32:50,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:32:50,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:32:50,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:49" (1/1) ... [2022-11-03 03:32:50,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:32:50,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:32:50,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:32:50,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:32:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:32:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:32:50,788 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:32:50,790 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:33:54,965 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:34:04,554 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:34:04,555 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:34:04,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:34:04 BoogieIcfgContainer [2022-11-03 03:34:04,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:34:04,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:34:04,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:34:04,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:34:04,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:32:48" (1/3) ... [2022-11-03 03:34:04,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b1994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:34:04, skipping insertion in model container [2022-11-03 03:34:04,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:32:49" (2/3) ... [2022-11-03 03:34:04,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b1994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:34:04, skipping insertion in model container [2022-11-03 03:34:04,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:34:04" (3/3) ... [2022-11-03 03:34:04,571 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.schedule_world.1.prop1-func-interl.c [2022-11-03 03:34:04,601 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:34:04,601 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:34:04,663 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:34:04,681 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;@37e278d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:34:04,681 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:34:04,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:34:04,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-03 03:34:04,692 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:04,693 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-03 03:34:04,693 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:04,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:04,699 INFO L85 PathProgramCache]: Analyzing trace with hash 27894404, now seen corresponding path program 1 times [2022-11-03 03:34:04,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:34:04,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351749689] [2022-11-03 03:34:04,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:04,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:34:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:06,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:34:06,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:34:06,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351749689] [2022-11-03 03:34:06,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351749689] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:06,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:06,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:34:06,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990330392] [2022-11-03 03:34:06,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:06,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:34:06,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:34:06,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:34:06,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:34:06,316 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:34:08,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 03:34:08,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:08,711 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2022-11-03 03:34:08,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:34:08,714 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-03 03:34:08,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:08,722 INFO L225 Difference]: With dead ends: 15 [2022-11-03 03:34:08,722 INFO L226 Difference]: Without dead ends: 9 [2022-11-03 03:34:08,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 03:34:08,732 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:08,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 03:34:08,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-11-03 03:34:08,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2022-11-03 03:34:08,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:34:08,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2022-11-03 03:34:08,763 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2022-11-03 03:34:08,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:08,764 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2022-11-03 03:34:08,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:34:08,765 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2022-11-03 03:34:08,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-03 03:34:08,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:08,765 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2022-11-03 03:34:08,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:34:08,766 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:08,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:08,767 INFO L85 PathProgramCache]: Analyzing trace with hash 2115904057, now seen corresponding path program 1 times [2022-11-03 03:34:08,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:34:08,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547416059] [2022-11-03 03:34:08,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:08,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:36:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:36:46,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 03:38:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:38:28,956 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 03:38:28,956 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 03:38:28,958 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 03:38:28,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:38:28,965 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-03 03:38:28,970 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:38:29,096 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-03 03:38:29,113 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-03 03:38:29,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:38:29 BoogieIcfgContainer [2022-11-03 03:38:29,179 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:38:29,182 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:38:29,182 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:38:29,182 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:38:29,183 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:34:04" (3/4) ... [2022-11-03 03:38:29,186 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 03:38:29,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:38:29,188 INFO L158 Benchmark]: Toolchain (without parser) took 340449.49ms. Allocated memory was 104.9MB in the beginning and 3.8GB in the end (delta: 3.7GB). Free memory was 64.3MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2022-11-03 03:38:29,188 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 104.9MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:38:29,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 917.39ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 64.1MB in the beginning and 89.8MB in the end (delta: -25.6MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2022-11-03 03:38:29,190 INFO L158 Benchmark]: Boogie Procedure Inliner took 317.94ms. Allocated memory is still 127.9MB. Free memory was 89.8MB in the beginning and 78.0MB in the end (delta: 11.8MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2022-11-03 03:38:29,190 INFO L158 Benchmark]: Boogie Preprocessor took 248.52ms. Allocated memory is still 127.9MB. Free memory was 78.0MB in the beginning and 61.4MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-03 03:38:29,191 INFO L158 Benchmark]: RCFGBuilder took 74329.06ms. Allocated memory was 127.9MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 61.4MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 781.9MB. Max. memory is 16.1GB. [2022-11-03 03:38:29,191 INFO L158 Benchmark]: TraceAbstraction took 264618.93ms. Allocated memory was 1.9GB in the beginning and 3.8GB in the end (delta: 1.9GB). Free memory was 1.1GB in the beginning and 2.1GB in the end (delta: -1.0GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-11-03 03:38:29,192 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 3.8GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:38:29,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 104.9MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 917.39ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 64.1MB in the beginning and 89.8MB in the end (delta: -25.6MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 317.94ms. Allocated memory is still 127.9MB. Free memory was 89.8MB in the beginning and 78.0MB in the end (delta: 11.8MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 248.52ms. Allocated memory is still 127.9MB. Free memory was 78.0MB in the beginning and 61.4MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 74329.06ms. Allocated memory was 127.9MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 61.4MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 781.9MB. Max. memory is 16.1GB. * TraceAbstraction took 264618.93ms. Allocated memory was 1.9GB in the beginning and 3.8GB in the end (delta: 1.9GB). Free memory was 1.1GB in the beginning and 2.1GB in the end (delta: -1.0GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 3.8GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 780, overapproximation of bitwiseAnd at line 141, overapproximation of bitwiseComplement at line 194, overapproximation of bitwiseXOr at line 215. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L29] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L31] const SORT_2 var_3 = 0; [L32] const SORT_1 var_46 = 0; [L33] const SORT_2 var_56 = 1; [L34] const SORT_2 var_63 = 2; [L35] const SORT_2 var_67 = 255; [L36] const SORT_2 var_69 = 0; [L38] SORT_1 input_55; [L39] SORT_1 input_59; [L40] SORT_1 input_62; [L41] SORT_1 input_64; [L42] SORT_1 input_65; [L43] SORT_1 input_66; [L44] SORT_1 input_68; [L45] SORT_1 input_79; [L46] SORT_1 input_80; [L47] SORT_1 input_81; [L48] SORT_1 input_82; [L49] SORT_1 input_83; [L50] SORT_1 input_103; [L51] SORT_1 input_104; [L52] SORT_1 input_105; [L53] SORT_1 input_106; [L54] SORT_1 input_115; [L55] SORT_1 input_116; [L56] SORT_1 input_117; [L57] SORT_1 input_118; [L58] SORT_1 input_129; [L59] SORT_1 input_130; [L60] SORT_1 input_137; [L61] SORT_1 input_138; [L62] SORT_1 input_145; [L63] SORT_1 input_240; [L65] SORT_2 state_4 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L66] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L67] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L68] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L69] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L70] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L71] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L72] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L73] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L74] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L75] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L76] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L77] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L78] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] SORT_2 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] SORT_2 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] SORT_2 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] SORT_2 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] SORT_2 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] SORT_2 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] SORT_2 init_5_arg_1 = var_3; [L91] state_4 = init_5_arg_1 [L92] SORT_2 init_7_arg_1 = var_3; [L93] state_6 = init_7_arg_1 [L94] SORT_2 init_9_arg_1 = var_3; [L95] state_8 = init_9_arg_1 [L96] SORT_2 init_11_arg_1 = var_3; [L97] state_10 = init_11_arg_1 [L98] SORT_2 init_13_arg_1 = var_3; [L99] state_12 = init_13_arg_1 [L100] SORT_2 init_15_arg_1 = var_3; [L101] state_14 = init_15_arg_1 [L102] SORT_2 init_17_arg_1 = var_3; [L103] state_16 = init_17_arg_1 [L104] SORT_2 init_19_arg_1 = var_3; [L105] state_18 = init_19_arg_1 [L106] SORT_2 init_21_arg_1 = var_3; [L107] state_20 = init_21_arg_1 [L108] SORT_2 init_23_arg_1 = var_3; [L109] state_22 = init_23_arg_1 [L110] SORT_2 init_25_arg_1 = var_3; [L111] state_24 = init_25_arg_1 [L112] SORT_2 init_27_arg_1 = var_3; [L113] state_26 = init_27_arg_1 [L114] SORT_2 init_29_arg_1 = var_3; [L115] state_28 = init_29_arg_1 [L116] SORT_2 init_31_arg_1 = var_3; [L117] state_30 = init_31_arg_1 [L118] SORT_2 init_33_arg_1 = var_3; [L119] state_32 = init_33_arg_1 [L120] SORT_2 init_35_arg_1 = var_3; [L121] state_34 = init_35_arg_1 [L122] SORT_2 init_37_arg_1 = var_3; [L123] state_36 = init_37_arg_1 [L124] SORT_2 init_39_arg_1 = var_3; [L125] state_38 = init_39_arg_1 [L126] SORT_2 init_41_arg_1 = var_3; [L127] state_40 = init_41_arg_1 [L128] SORT_2 init_43_arg_1 = var_3; [L129] state_42 = init_43_arg_1 [L130] SORT_2 init_45_arg_1 = var_3; [L131] state_44 = init_45_arg_1 [L132] SORT_1 init_48_arg_1 = var_46; [L133] state_47 = init_48_arg_1 [L134] SORT_1 init_50_arg_1 = var_46; [L135] state_49 = init_50_arg_1 [L136] SORT_1 init_52_arg_1 = var_46; [L137] state_51 = init_52_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_5_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, msb_SORT_1=1, msb_SORT_2=128, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_4=0, state_40=0, state_42=0, state_44=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_3=0, var_46=0, var_56=1, var_63=2, var_67=255, var_69=0] [L140] input_55 = __VERIFIER_nondet_uchar() [L141] input_55 = input_55 & mask_SORT_1 [L142] input_59 = __VERIFIER_nondet_uchar() [L143] input_59 = input_59 & mask_SORT_1 [L144] input_62 = __VERIFIER_nondet_uchar() [L145] input_62 = input_62 & mask_SORT_1 [L146] input_64 = __VERIFIER_nondet_uchar() [L147] input_64 = input_64 & mask_SORT_1 [L148] input_65 = __VERIFIER_nondet_uchar() [L149] input_65 = input_65 & mask_SORT_1 [L150] input_66 = __VERIFIER_nondet_uchar() [L151] input_66 = input_66 & mask_SORT_1 [L152] input_68 = __VERIFIER_nondet_uchar() [L153] input_68 = input_68 & mask_SORT_1 [L154] input_79 = __VERIFIER_nondet_uchar() [L155] input_79 = input_79 & mask_SORT_1 [L156] input_80 = __VERIFIER_nondet_uchar() [L157] input_80 = input_80 & mask_SORT_1 [L158] input_81 = __VERIFIER_nondet_uchar() [L159] input_81 = input_81 & mask_SORT_1 [L160] input_82 = __VERIFIER_nondet_uchar() [L161] input_82 = input_82 & mask_SORT_1 [L162] input_83 = __VERIFIER_nondet_uchar() [L163] input_83 = input_83 & mask_SORT_1 [L164] input_103 = __VERIFIER_nondet_uchar() [L165] input_103 = input_103 & mask_SORT_1 [L166] input_104 = __VERIFIER_nondet_uchar() [L167] input_104 = input_104 & mask_SORT_1 [L168] input_105 = __VERIFIER_nondet_uchar() [L169] input_105 = input_105 & mask_SORT_1 [L170] input_106 = __VERIFIER_nondet_uchar() [L171] input_106 = input_106 & mask_SORT_1 [L172] input_115 = __VERIFIER_nondet_uchar() [L173] input_115 = input_115 & mask_SORT_1 [L174] input_116 = __VERIFIER_nondet_uchar() [L175] input_116 = input_116 & mask_SORT_1 [L176] input_117 = __VERIFIER_nondet_uchar() [L177] input_117 = input_117 & mask_SORT_1 [L178] input_118 = __VERIFIER_nondet_uchar() [L179] input_118 = input_118 & mask_SORT_1 [L180] input_129 = __VERIFIER_nondet_uchar() [L181] input_129 = input_129 & mask_SORT_1 [L182] input_130 = __VERIFIER_nondet_uchar() [L183] input_130 = input_130 & mask_SORT_1 [L184] input_137 = __VERIFIER_nondet_uchar() [L185] input_137 = input_137 & mask_SORT_1 [L186] input_138 = __VERIFIER_nondet_uchar() [L187] input_138 = input_138 & mask_SORT_1 [L188] input_145 = __VERIFIER_nondet_uchar() [L189] input_145 = input_145 & mask_SORT_1 [L190] input_240 = __VERIFIER_nondet_uchar() [L193] SORT_1 var_53_arg_0 = state_49; [L194] SORT_1 var_53_arg_1 = ~state_51; [L195] var_53_arg_1 = var_53_arg_1 & mask_SORT_1 [L196] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L197] var_53 = var_53 & mask_SORT_1 [L198] SORT_1 bad_54_arg_0 = var_53; [L199] CALL __VERIFIER_assert(!(bad_54_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L199] RET __VERIFIER_assert(!(bad_54_arg_0)) [L201] SORT_1 var_57_arg_0 = input_55; [L202] SORT_2 var_57_arg_1 = var_56; [L203] SORT_2 var_57_arg_2 = state_4; [L204] EXPR var_57_arg_0 ? var_57_arg_1 : var_57_arg_2 [L204] SORT_2 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L205] var_57 = var_57 & mask_SORT_2 [L206] SORT_2 next_58_arg_1 = var_57; [L207] SORT_1 var_60_arg_0 = input_59; [L208] SORT_2 var_60_arg_1 = var_56; [L209] SORT_2 var_60_arg_2 = state_6; [L210] EXPR var_60_arg_0 ? var_60_arg_1 : var_60_arg_2 [L210] SORT_2 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L211] var_60 = var_60 & mask_SORT_2 [L212] SORT_2 next_61_arg_1 = var_60; [L213] SORT_2 var_70_arg_0 = var_56; [L214] SORT_2 var_70_arg_1 = state_8; [L215] SORT_2 var_70 = var_70_arg_0 ^ var_70_arg_1; [L216] var_70 = var_70 & mask_SORT_2 [L217] SORT_1 var_71_arg_0 = input_68; [L218] SORT_2 var_71_arg_1 = var_69; [L219] SORT_2 var_71_arg_2 = var_70; [L220] EXPR var_71_arg_0 ? var_71_arg_1 : var_71_arg_2 [L220] SORT_2 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L221] SORT_1 var_72_arg_0 = input_55; [L222] SORT_2 var_72_arg_1 = var_67; [L223] SORT_2 var_72_arg_2 = var_71; [L224] EXPR var_72_arg_0 ? var_72_arg_1 : var_72_arg_2 [L224] SORT_2 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L225] SORT_1 var_73_arg_0 = input_66; [L226] SORT_2 var_73_arg_1 = var_63; [L227] SORT_2 var_73_arg_2 = var_72; [L228] EXPR var_73_arg_0 ? var_73_arg_1 : var_73_arg_2 [L228] SORT_2 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L229] SORT_1 var_74_arg_0 = input_65; [L230] SORT_2 var_74_arg_1 = var_56; [L231] SORT_2 var_74_arg_2 = var_73; [L232] EXPR var_74_arg_0 ? var_74_arg_1 : var_74_arg_2 [L232] SORT_2 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; [L233] SORT_1 var_75_arg_0 = input_64; [L234] SORT_2 var_75_arg_1 = var_63; [L235] SORT_2 var_75_arg_2 = var_74; [L236] EXPR var_75_arg_0 ? var_75_arg_1 : var_75_arg_2 [L236] SORT_2 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L237] SORT_1 var_76_arg_0 = input_62; [L238] SORT_2 var_76_arg_1 = var_63; [L239] SORT_2 var_76_arg_2 = var_75; [L240] EXPR var_76_arg_0 ? var_76_arg_1 : var_76_arg_2 [L240] SORT_2 var_76 = var_76_arg_0 ? var_76_arg_1 : var_76_arg_2; [L241] SORT_2 var_77_arg_0 = var_56; [L242] SORT_2 var_77_arg_1 = var_76; [L243] SORT_2 var_77 = var_77_arg_0 ^ var_77_arg_1; [L244] SORT_2 next_78_arg_1 = var_77; [L245] SORT_2 var_84_arg_0 = var_56; [L246] SORT_2 var_84_arg_1 = state_10; [L247] SORT_2 var_84 = var_84_arg_0 ^ var_84_arg_1; [L248] var_84 = var_84 & mask_SORT_2 [L249] SORT_1 var_85_arg_0 = input_83; [L250] SORT_2 var_85_arg_1 = var_69; [L251] SORT_2 var_85_arg_2 = var_84; [L252] EXPR var_85_arg_0 ? var_85_arg_1 : var_85_arg_2 [L252] SORT_2 var_85 = var_85_arg_0 ? var_85_arg_1 : var_85_arg_2; [L253] SORT_1 var_86_arg_0 = input_59; [L254] SORT_2 var_86_arg_1 = var_67; [L255] SORT_2 var_86_arg_2 = var_85; [L256] EXPR var_86_arg_0 ? var_86_arg_1 : var_86_arg_2 [L256] SORT_2 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L257] SORT_1 var_87_arg_0 = input_82; [L258] SORT_2 var_87_arg_1 = var_63; [L259] SORT_2 var_87_arg_2 = var_86; [L260] EXPR var_87_arg_0 ? var_87_arg_1 : var_87_arg_2 [L260] SORT_2 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L261] SORT_1 var_88_arg_0 = input_81; [L262] SORT_2 var_88_arg_1 = var_56; [L263] SORT_2 var_88_arg_2 = var_87; [L264] EXPR var_88_arg_0 ? var_88_arg_1 : var_88_arg_2 [L264] SORT_2 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L265] SORT_1 var_89_arg_0 = input_80; [L266] SORT_2 var_89_arg_1 = var_63; [L267] SORT_2 var_89_arg_2 = var_88; [L268] EXPR var_89_arg_0 ? var_89_arg_1 : var_89_arg_2 [L268] SORT_2 var_89 = var_89_arg_0 ? var_89_arg_1 : var_89_arg_2; [L269] SORT_1 var_90_arg_0 = input_79; [L270] SORT_2 var_90_arg_1 = var_63; [L271] SORT_2 var_90_arg_2 = var_89; [L272] EXPR var_90_arg_0 ? var_90_arg_1 : var_90_arg_2 [L272] SORT_2 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L273] SORT_2 var_91_arg_0 = var_56; [L274] SORT_2 var_91_arg_1 = var_90; [L275] SORT_2 var_91 = var_91_arg_0 ^ var_91_arg_1; [L276] SORT_2 next_92_arg_1 = var_91; [L277] SORT_2 var_93_arg_0 = var_56; [L278] SORT_2 var_93_arg_1 = state_12; [L279] SORT_2 var_93 = var_93_arg_0 ^ var_93_arg_1; [L280] var_93 = var_93 & mask_SORT_2 [L281] SORT_1 var_94_arg_0 = input_55; [L282] SORT_2 var_94_arg_1 = var_69; [L283] SORT_2 var_94_arg_2 = var_93; [L284] EXPR var_94_arg_0 ? var_94_arg_1 : var_94_arg_2 [L284] SORT_2 var_94 = var_94_arg_0 ? var_94_arg_1 : var_94_arg_2; [L285] SORT_1 var_95_arg_0 = input_66; [L286] SORT_2 var_95_arg_1 = var_69; [L287] SORT_2 var_95_arg_2 = var_94; [L288] EXPR var_95_arg_0 ? var_95_arg_1 : var_95_arg_2 [L288] SORT_2 var_95 = var_95_arg_0 ? var_95_arg_1 : var_95_arg_2; [L289] SORT_2 var_96_arg_0 = var_56; [L290] SORT_2 var_96_arg_1 = var_95; [L291] SORT_2 var_96 = var_96_arg_0 ^ var_96_arg_1; [L292] SORT_2 next_97_arg_1 = var_96; [L293] SORT_2 var_98_arg_0 = var_56; [L294] SORT_2 var_98_arg_1 = state_14; [L295] SORT_2 var_98 = var_98_arg_0 ^ var_98_arg_1; [L296] var_98 = var_98 & mask_SORT_2 [L297] SORT_1 var_99_arg_0 = input_59; [L298] SORT_2 var_99_arg_1 = var_69; [L299] SORT_2 var_99_arg_2 = var_98; [L300] EXPR var_99_arg_0 ? var_99_arg_1 : var_99_arg_2 [L300] SORT_2 var_99 = var_99_arg_0 ? var_99_arg_1 : var_99_arg_2; [L301] SORT_1 var_100_arg_0 = input_82; [L302] SORT_2 var_100_arg_1 = var_69; [L303] SORT_2 var_100_arg_2 = var_99; [L304] EXPR var_100_arg_0 ? var_100_arg_1 : var_100_arg_2 [L304] SORT_2 var_100 = var_100_arg_0 ? var_100_arg_1 : var_100_arg_2; [L305] SORT_2 var_101_arg_0 = var_56; [L306] SORT_2 var_101_arg_1 = var_100; [L307] SORT_2 var_101 = var_101_arg_0 ^ var_101_arg_1; [L308] SORT_2 next_102_arg_1 = var_101; [L309] SORT_1 var_107_arg_0 = input_55; [L310] SORT_2 var_107_arg_1 = var_67; [L311] SORT_2 var_107_arg_2 = state_16; [L312] EXPR var_107_arg_0 ? var_107_arg_1 : var_107_arg_2 [L312] SORT_2 var_107 = var_107_arg_0 ? var_107_arg_1 : var_107_arg_2; [L313] SORT_1 var_108_arg_0 = input_66; [L314] SORT_2 var_108_arg_1 = var_67; [L315] SORT_2 var_108_arg_2 = var_107; [L316] EXPR var_108_arg_0 ? var_108_arg_1 : var_108_arg_2 [L316] SORT_2 var_108 = var_108_arg_0 ? var_108_arg_1 : var_108_arg_2; [L317] SORT_1 var_109_arg_0 = input_65; [L318] SORT_2 var_109_arg_1 = var_67; [L319] SORT_2 var_109_arg_2 = var_108; [L320] EXPR var_109_arg_0 ? var_109_arg_1 : var_109_arg_2 [L320] SORT_2 var_109 = var_109_arg_0 ? var_109_arg_1 : var_109_arg_2; [L321] SORT_1 var_110_arg_0 = input_106; [L322] SORT_2 var_110_arg_1 = var_69; [L323] SORT_2 var_110_arg_2 = var_109; [L324] EXPR var_110_arg_0 ? var_110_arg_1 : var_110_arg_2 [L324] SORT_2 var_110 = var_110_arg_0 ? var_110_arg_1 : var_110_arg_2; [L325] SORT_1 var_111_arg_0 = input_105; [L326] SORT_2 var_111_arg_1 = var_56; [L327] SORT_2 var_111_arg_2 = var_110; [L328] EXPR var_111_arg_0 ? var_111_arg_1 : var_111_arg_2 [L328] SORT_2 var_111 = var_111_arg_0 ? var_111_arg_1 : var_111_arg_2; [L329] SORT_1 var_112_arg_0 = input_104; [L330] SORT_2 var_112_arg_1 = var_69; [L331] SORT_2 var_112_arg_2 = var_111; [L332] EXPR var_112_arg_0 ? var_112_arg_1 : var_112_arg_2 [L332] SORT_2 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L333] SORT_1 var_113_arg_0 = input_103; [L334] SORT_2 var_113_arg_1 = var_56; [L335] SORT_2 var_113_arg_2 = var_112; [L336] EXPR var_113_arg_0 ? var_113_arg_1 : var_113_arg_2 [L336] SORT_2 var_113 = var_113_arg_0 ? var_113_arg_1 : var_113_arg_2; [L337] SORT_2 next_114_arg_1 = var_113; [L338] SORT_2 var_119_arg_0 = var_56; [L339] SORT_2 var_119_arg_1 = state_18; [L340] SORT_2 var_119 = var_119_arg_0 ^ var_119_arg_1; [L341] SORT_1 var_120_arg_0 = input_59; [L342] SORT_2 var_120_arg_1 = var_67; [L343] SORT_2 var_120_arg_2 = var_119; [L344] EXPR var_120_arg_0 ? var_120_arg_1 : var_120_arg_2 [L344] SORT_2 var_120 = var_120_arg_0 ? var_120_arg_1 : var_120_arg_2; [L345] SORT_1 var_121_arg_0 = input_82; [L346] SORT_2 var_121_arg_1 = var_67; [L347] SORT_2 var_121_arg_2 = var_120; [L348] EXPR var_121_arg_0 ? var_121_arg_1 : var_121_arg_2 [L348] SORT_2 var_121 = var_121_arg_0 ? var_121_arg_1 : var_121_arg_2; [L349] SORT_1 var_122_arg_0 = input_81; [L350] SORT_2 var_122_arg_1 = var_67; [L351] SORT_2 var_122_arg_2 = var_121; [L352] EXPR var_122_arg_0 ? var_122_arg_1 : var_122_arg_2 [L352] SORT_2 var_122 = var_122_arg_0 ? var_122_arg_1 : var_122_arg_2; [L353] SORT_1 var_123_arg_0 = input_118; [L354] SORT_2 var_123_arg_1 = var_69; [L355] SORT_2 var_123_arg_2 = var_122; [L356] EXPR var_123_arg_0 ? var_123_arg_1 : var_123_arg_2 [L356] SORT_2 var_123 = var_123_arg_0 ? var_123_arg_1 : var_123_arg_2; [L357] SORT_1 var_124_arg_0 = input_117; [L358] SORT_2 var_124_arg_1 = var_56; [L359] SORT_2 var_124_arg_2 = var_123; [L360] EXPR var_124_arg_0 ? var_124_arg_1 : var_124_arg_2 [L360] SORT_2 var_124 = var_124_arg_0 ? var_124_arg_1 : var_124_arg_2; [L361] SORT_1 var_125_arg_0 = input_116; [L362] SORT_2 var_125_arg_1 = var_69; [L363] SORT_2 var_125_arg_2 = var_124; [L364] EXPR var_125_arg_0 ? var_125_arg_1 : var_125_arg_2 [L364] SORT_2 var_125 = var_125_arg_0 ? var_125_arg_1 : var_125_arg_2; [L365] SORT_1 var_126_arg_0 = input_115; [L366] SORT_2 var_126_arg_1 = var_56; [L367] SORT_2 var_126_arg_2 = var_125; [L368] EXPR var_126_arg_0 ? var_126_arg_1 : var_126_arg_2 [L368] SORT_2 var_126 = var_126_arg_0 ? var_126_arg_1 : var_126_arg_2; [L369] SORT_2 var_127_arg_0 = var_56; [L370] SORT_2 var_127_arg_1 = var_126; [L371] SORT_2 var_127 = var_127_arg_0 ^ var_127_arg_1; [L372] SORT_2 next_128_arg_1 = var_127; [L373] SORT_1 var_131_arg_0 = input_55; [L374] SORT_2 var_131_arg_1 = var_67; [L375] SORT_2 var_131_arg_2 = state_20; [L376] EXPR var_131_arg_0 ? var_131_arg_1 : var_131_arg_2 [L376] SORT_2 var_131 = var_131_arg_0 ? var_131_arg_1 : var_131_arg_2; [L377] SORT_1 var_132_arg_0 = input_64; [L378] SORT_2 var_132_arg_1 = var_69; [L379] SORT_2 var_132_arg_2 = var_131; [L380] EXPR var_132_arg_0 ? var_132_arg_1 : var_132_arg_2 [L380] SORT_2 var_132 = var_132_arg_0 ? var_132_arg_1 : var_132_arg_2; [L381] SORT_1 var_133_arg_0 = input_62; [L382] SORT_2 var_133_arg_1 = var_56; [L383] SORT_2 var_133_arg_2 = var_132; [L384] EXPR var_133_arg_0 ? var_133_arg_1 : var_133_arg_2 [L384] SORT_2 var_133 = var_133_arg_0 ? var_133_arg_1 : var_133_arg_2; [L385] SORT_1 var_134_arg_0 = input_130; [L386] SORT_2 var_134_arg_1 = var_69; [L387] SORT_2 var_134_arg_2 = var_133; [L388] EXPR var_134_arg_0 ? var_134_arg_1 : var_134_arg_2 [L388] SORT_2 var_134 = var_134_arg_0 ? var_134_arg_1 : var_134_arg_2; [L389] SORT_1 var_135_arg_0 = input_129; [L390] SORT_2 var_135_arg_1 = var_56; [L391] SORT_2 var_135_arg_2 = var_134; [L392] EXPR var_135_arg_0 ? var_135_arg_1 : var_135_arg_2 [L392] SORT_2 var_135 = var_135_arg_0 ? var_135_arg_1 : var_135_arg_2; [L393] var_135 = var_135 & mask_SORT_2 [L394] SORT_2 next_136_arg_1 = var_135; [L395] SORT_1 var_139_arg_0 = input_59; [L396] SORT_2 var_139_arg_1 = var_67; [L397] SORT_2 var_139_arg_2 = state_22; [L398] EXPR var_139_arg_0 ? var_139_arg_1 : var_139_arg_2 [L398] SORT_2 var_139 = var_139_arg_0 ? var_139_arg_1 : var_139_arg_2; [L399] SORT_1 var_140_arg_0 = input_80; [L400] SORT_2 var_140_arg_1 = var_69; [L401] SORT_2 var_140_arg_2 = var_139; [L402] EXPR var_140_arg_0 ? var_140_arg_1 : var_140_arg_2 [L402] SORT_2 var_140 = var_140_arg_0 ? var_140_arg_1 : var_140_arg_2; [L403] SORT_1 var_141_arg_0 = input_79; [L404] SORT_2 var_141_arg_1 = var_56; [L405] SORT_2 var_141_arg_2 = var_140; [L406] EXPR var_141_arg_0 ? var_141_arg_1 : var_141_arg_2 [L406] SORT_2 var_141 = var_141_arg_0 ? var_141_arg_1 : var_141_arg_2; [L407] SORT_1 var_142_arg_0 = input_138; [L408] SORT_2 var_142_arg_1 = var_69; [L409] SORT_2 var_142_arg_2 = var_141; [L410] EXPR var_142_arg_0 ? var_142_arg_1 : var_142_arg_2 [L410] SORT_2 var_142 = var_142_arg_0 ? var_142_arg_1 : var_142_arg_2; [L411] SORT_1 var_143_arg_0 = input_137; [L412] SORT_2 var_143_arg_1 = var_56; [L413] SORT_2 var_143_arg_2 = var_142; [L414] EXPR var_143_arg_0 ? var_143_arg_1 : var_143_arg_2 [L414] SORT_2 var_143 = var_143_arg_0 ? var_143_arg_1 : var_143_arg_2; [L415] var_143 = var_143 & mask_SORT_2 [L416] SORT_2 next_144_arg_1 = var_143; [L417] SORT_1 var_146_arg_0 = input_68; [L418] SORT_2 var_146_arg_1 = var_56; [L419] SORT_2 var_146_arg_2 = state_24; [L420] EXPR var_146_arg_0 ? var_146_arg_1 : var_146_arg_2 [L420] SORT_2 var_146 = var_146_arg_0 ? var_146_arg_1 : var_146_arg_2; [L421] SORT_1 var_147_arg_0 = input_83; [L422] SORT_2 var_147_arg_1 = var_56; [L423] SORT_2 var_147_arg_2 = var_146; [L424] EXPR var_147_arg_0 ? var_147_arg_1 : var_147_arg_2 [L424] SORT_2 var_147 = var_147_arg_0 ? var_147_arg_1 : var_147_arg_2; [L425] SORT_1 var_148_arg_0 = input_145; [L426] SORT_2 var_148_arg_1 = var_69; [L427] SORT_2 var_148_arg_2 = var_147; [L428] EXPR var_148_arg_0 ? var_148_arg_1 : var_148_arg_2 [L428] SORT_2 var_148 = var_148_arg_0 ? var_148_arg_1 : var_148_arg_2; [L429] var_148 = var_148 & mask_SORT_2 [L430] SORT_2 next_149_arg_1 = var_148; [L431] SORT_1 var_150_arg_0 = input_55; [L432] SORT_2 var_150_arg_1 = var_56; [L433] SORT_2 var_150_arg_2 = state_26; [L434] EXPR var_150_arg_0 ? var_150_arg_1 : var_150_arg_2 [L434] SORT_2 var_150 = var_150_arg_0 ? var_150_arg_1 : var_150_arg_2; [L435] SORT_1 var_151_arg_0 = input_59; [L436] SORT_2 var_151_arg_1 = var_56; [L437] SORT_2 var_151_arg_2 = var_150; [L438] EXPR var_151_arg_0 ? var_151_arg_1 : var_151_arg_2 [L438] SORT_2 var_151 = var_151_arg_0 ? var_151_arg_1 : var_151_arg_2; [L439] SORT_1 var_152_arg_0 = input_145; [L440] SORT_2 var_152_arg_1 = var_69; [L441] SORT_2 var_152_arg_2 = var_151; [L442] EXPR var_152_arg_0 ? var_152_arg_1 : var_152_arg_2 [L442] SORT_2 var_152 = var_152_arg_0 ? var_152_arg_1 : var_152_arg_2; [L443] var_152 = var_152 & mask_SORT_2 [L444] SORT_2 next_153_arg_1 = var_152; [L445] SORT_1 var_154_arg_0 = input_66; [L446] SORT_2 var_154_arg_1 = var_56; [L447] SORT_2 var_154_arg_2 = state_28; [L448] EXPR var_154_arg_0 ? var_154_arg_1 : var_154_arg_2 [L448] SORT_2 var_154 = var_154_arg_0 ? var_154_arg_1 : var_154_arg_2; [L449] SORT_1 var_155_arg_0 = input_82; [L450] SORT_2 var_155_arg_1 = var_56; [L451] SORT_2 var_155_arg_2 = var_154; [L452] EXPR var_155_arg_0 ? var_155_arg_1 : var_155_arg_2 [L452] SORT_2 var_155 = var_155_arg_0 ? var_155_arg_1 : var_155_arg_2; [L453] SORT_1 var_156_arg_0 = input_145; [L454] SORT_2 var_156_arg_1 = var_69; [L455] SORT_2 var_156_arg_2 = var_155; [L456] EXPR var_156_arg_0 ? var_156_arg_1 : var_156_arg_2 [L456] SORT_2 var_156 = var_156_arg_0 ? var_156_arg_1 : var_156_arg_2; [L457] var_156 = var_156 & mask_SORT_2 [L458] SORT_2 next_157_arg_1 = var_156; [L459] SORT_1 var_158_arg_0 = input_65; [L460] SORT_2 var_158_arg_1 = var_56; [L461] SORT_2 var_158_arg_2 = state_30; [L462] EXPR var_158_arg_0 ? var_158_arg_1 : var_158_arg_2 [L462] SORT_2 var_158 = var_158_arg_0 ? var_158_arg_1 : var_158_arg_2; [L463] SORT_1 var_159_arg_0 = input_81; [L464] SORT_2 var_159_arg_1 = var_56; [L465] SORT_2 var_159_arg_2 = var_158; [L466] EXPR var_159_arg_0 ? var_159_arg_1 : var_159_arg_2 [L466] SORT_2 var_159 = var_159_arg_0 ? var_159_arg_1 : var_159_arg_2; [L467] SORT_1 var_160_arg_0 = input_145; [L468] SORT_2 var_160_arg_1 = var_69; [L469] SORT_2 var_160_arg_2 = var_159; [L470] EXPR var_160_arg_0 ? var_160_arg_1 : var_160_arg_2 [L470] SORT_2 var_160 = var_160_arg_0 ? var_160_arg_1 : var_160_arg_2; [L471] var_160 = var_160 & mask_SORT_2 [L472] SORT_2 next_161_arg_1 = var_160; [L473] SORT_1 var_162_arg_0 = input_64; [L474] SORT_2 var_162_arg_1 = var_56; [L475] SORT_2 var_162_arg_2 = state_32; [L476] EXPR var_162_arg_0 ? var_162_arg_1 : var_162_arg_2 [L476] SORT_2 var_162 = var_162_arg_0 ? var_162_arg_1 : var_162_arg_2; [L477] SORT_1 var_163_arg_0 = input_80; [L478] SORT_2 var_163_arg_1 = var_56; [L479] SORT_2 var_163_arg_2 = var_162; [L480] EXPR var_163_arg_0 ? var_163_arg_1 : var_163_arg_2 [L480] SORT_2 var_163 = var_163_arg_0 ? var_163_arg_1 : var_163_arg_2; [L481] SORT_1 var_164_arg_0 = input_62; [L482] SORT_2 var_164_arg_1 = var_56; [L483] SORT_2 var_164_arg_2 = var_163; [L484] EXPR var_164_arg_0 ? var_164_arg_1 : var_164_arg_2 [L484] SORT_2 var_164 = var_164_arg_0 ? var_164_arg_1 : var_164_arg_2; [L485] SORT_1 var_165_arg_0 = input_79; [L486] SORT_2 var_165_arg_1 = var_56; [L487] SORT_2 var_165_arg_2 = var_164; [L488] EXPR var_165_arg_0 ? var_165_arg_1 : var_165_arg_2 [L488] SORT_2 var_165 = var_165_arg_0 ? var_165_arg_1 : var_165_arg_2; [L489] SORT_1 var_166_arg_0 = input_145; [L490] SORT_2 var_166_arg_1 = var_69; [L491] SORT_2 var_166_arg_2 = var_165; [L492] EXPR var_166_arg_0 ? var_166_arg_1 : var_166_arg_2 [L492] SORT_2 var_166 = var_166_arg_0 ? var_166_arg_1 : var_166_arg_2; [L493] var_166 = var_166 & mask_SORT_2 [L494] SORT_2 next_167_arg_1 = var_166; [L495] SORT_1 var_168_arg_0 = input_130; [L496] SORT_2 var_168_arg_1 = var_56; [L497] SORT_2 var_168_arg_2 = state_34; [L498] EXPR var_168_arg_0 ? var_168_arg_1 : var_168_arg_2 [L498] SORT_2 var_168 = var_168_arg_0 ? var_168_arg_1 : var_168_arg_2; [L499] SORT_1 var_169_arg_0 = input_138; [L500] SORT_2 var_169_arg_1 = var_56; [L501] SORT_2 var_169_arg_2 = var_168; [L502] EXPR var_169_arg_0 ? var_169_arg_1 : var_169_arg_2 [L502] SORT_2 var_169 = var_169_arg_0 ? var_169_arg_1 : var_169_arg_2; [L503] SORT_1 var_170_arg_0 = input_129; [L504] SORT_2 var_170_arg_1 = var_56; [L505] SORT_2 var_170_arg_2 = var_169; [L506] EXPR var_170_arg_0 ? var_170_arg_1 : var_170_arg_2 [L506] SORT_2 var_170 = var_170_arg_0 ? var_170_arg_1 : var_170_arg_2; [L507] SORT_1 var_171_arg_0 = input_137; [L508] SORT_2 var_171_arg_1 = var_56; [L509] SORT_2 var_171_arg_2 = var_170; [L510] EXPR var_171_arg_0 ? var_171_arg_1 : var_171_arg_2 [L510] SORT_2 var_171 = var_171_arg_0 ? var_171_arg_1 : var_171_arg_2; [L511] SORT_1 var_172_arg_0 = input_145; [L512] SORT_2 var_172_arg_1 = var_69; [L513] SORT_2 var_172_arg_2 = var_171; [L514] EXPR var_172_arg_0 ? var_172_arg_1 : var_172_arg_2 [L514] SORT_2 var_172 = var_172_arg_0 ? var_172_arg_1 : var_172_arg_2; [L515] var_172 = var_172 & mask_SORT_2 [L516] SORT_2 next_173_arg_1 = var_172; [L517] SORT_1 var_174_arg_0 = input_106; [L518] SORT_2 var_174_arg_1 = var_56; [L519] SORT_2 var_174_arg_2 = state_36; [L520] EXPR var_174_arg_0 ? var_174_arg_1 : var_174_arg_2 [L520] SORT_2 var_174 = var_174_arg_0 ? var_174_arg_1 : var_174_arg_2; [L521] SORT_1 var_175_arg_0 = input_118; [L522] SORT_2 var_175_arg_1 = var_56; [L523] SORT_2 var_175_arg_2 = var_174; [L524] EXPR var_175_arg_0 ? var_175_arg_1 : var_175_arg_2 [L524] SORT_2 var_175 = var_175_arg_0 ? var_175_arg_1 : var_175_arg_2; [L525] SORT_1 var_176_arg_0 = input_105; [L526] SORT_2 var_176_arg_1 = var_56; [L527] SORT_2 var_176_arg_2 = var_175; [L528] EXPR var_176_arg_0 ? var_176_arg_1 : var_176_arg_2 [L528] SORT_2 var_176 = var_176_arg_0 ? var_176_arg_1 : var_176_arg_2; [L529] SORT_1 var_177_arg_0 = input_117; [L530] SORT_2 var_177_arg_1 = var_56; [L531] SORT_2 var_177_arg_2 = var_176; [L532] EXPR var_177_arg_0 ? var_177_arg_1 : var_177_arg_2 [L532] SORT_2 var_177 = var_177_arg_0 ? var_177_arg_1 : var_177_arg_2; [L533] SORT_1 var_178_arg_0 = input_145; [L534] SORT_2 var_178_arg_1 = var_69; [L535] SORT_2 var_178_arg_2 = var_177; [L536] EXPR var_178_arg_0 ? var_178_arg_1 : var_178_arg_2 [L536] SORT_2 var_178 = var_178_arg_0 ? var_178_arg_1 : var_178_arg_2; [L537] var_178 = var_178 & mask_SORT_2 [L538] SORT_2 next_179_arg_1 = var_178; [L539] SORT_1 var_180_arg_0 = input_104; [L540] SORT_2 var_180_arg_1 = var_56; [L541] SORT_2 var_180_arg_2 = state_38; [L542] EXPR var_180_arg_0 ? var_180_arg_1 : var_180_arg_2 [L542] SORT_2 var_180 = var_180_arg_0 ? var_180_arg_1 : var_180_arg_2; [L543] SORT_1 var_181_arg_0 = input_116; [L544] SORT_2 var_181_arg_1 = var_56; [L545] SORT_2 var_181_arg_2 = var_180; [L546] EXPR var_181_arg_0 ? var_181_arg_1 : var_181_arg_2 [L546] SORT_2 var_181 = var_181_arg_0 ? var_181_arg_1 : var_181_arg_2; [L547] SORT_1 var_182_arg_0 = input_103; [L548] SORT_2 var_182_arg_1 = var_56; [L549] SORT_2 var_182_arg_2 = var_181; [L550] EXPR var_182_arg_0 ? var_182_arg_1 : var_182_arg_2 [L550] SORT_2 var_182 = var_182_arg_0 ? var_182_arg_1 : var_182_arg_2; [L551] SORT_1 var_183_arg_0 = input_115; [L552] SORT_2 var_183_arg_1 = var_56; [L553] SORT_2 var_183_arg_2 = var_182; [L554] EXPR var_183_arg_0 ? var_183_arg_1 : var_183_arg_2 [L554] SORT_2 var_183 = var_183_arg_0 ? var_183_arg_1 : var_183_arg_2; [L555] SORT_1 var_184_arg_0 = input_145; [L556] SORT_2 var_184_arg_1 = var_69; [L557] SORT_2 var_184_arg_2 = var_183; [L558] EXPR var_184_arg_0 ? var_184_arg_1 : var_184_arg_2 [L558] SORT_2 var_184 = var_184_arg_0 ? var_184_arg_1 : var_184_arg_2; [L559] var_184 = var_184 & mask_SORT_2 [L560] SORT_2 next_185_arg_1 = var_184; [L561] SORT_1 var_186_arg_0 = input_68; [L562] SORT_2 var_186_arg_1 = var_56; [L563] SORT_2 var_186_arg_2 = state_40; [L564] EXPR var_186_arg_0 ? var_186_arg_1 : var_186_arg_2 [L564] SORT_2 var_186 = var_186_arg_0 ? var_186_arg_1 : var_186_arg_2; [L565] SORT_1 var_187_arg_0 = input_55; [L566] SORT_2 var_187_arg_1 = var_56; [L567] SORT_2 var_187_arg_2 = var_186; [L568] EXPR var_187_arg_0 ? var_187_arg_1 : var_187_arg_2 [L568] SORT_2 var_187 = var_187_arg_0 ? var_187_arg_1 : var_187_arg_2; [L569] SORT_1 var_188_arg_0 = input_66; [L570] SORT_2 var_188_arg_1 = var_56; [L571] SORT_2 var_188_arg_2 = var_187; [L572] EXPR var_188_arg_0 ? var_188_arg_1 : var_188_arg_2 [L572] SORT_2 var_188 = var_188_arg_0 ? var_188_arg_1 : var_188_arg_2; [L573] SORT_1 var_189_arg_0 = input_65; [L574] SORT_2 var_189_arg_1 = var_56; [L575] SORT_2 var_189_arg_2 = var_188; [L576] EXPR var_189_arg_0 ? var_189_arg_1 : var_189_arg_2 [L576] SORT_2 var_189 = var_189_arg_0 ? var_189_arg_1 : var_189_arg_2; [L577] SORT_1 var_190_arg_0 = input_64; [L578] SORT_2 var_190_arg_1 = var_56; [L579] SORT_2 var_190_arg_2 = var_189; [L580] EXPR var_190_arg_0 ? var_190_arg_1 : var_190_arg_2 [L580] SORT_2 var_190 = var_190_arg_0 ? var_190_arg_1 : var_190_arg_2; [L581] SORT_1 var_191_arg_0 = input_62; [L582] SORT_2 var_191_arg_1 = var_56; [L583] SORT_2 var_191_arg_2 = var_190; [L584] EXPR var_191_arg_0 ? var_191_arg_1 : var_191_arg_2 [L584] SORT_2 var_191 = var_191_arg_0 ? var_191_arg_1 : var_191_arg_2; [L585] SORT_1 var_192_arg_0 = input_130; [L586] SORT_2 var_192_arg_1 = var_56; [L587] SORT_2 var_192_arg_2 = var_191; [L588] EXPR var_192_arg_0 ? var_192_arg_1 : var_192_arg_2 [L588] SORT_2 var_192 = var_192_arg_0 ? var_192_arg_1 : var_192_arg_2; [L589] SORT_1 var_193_arg_0 = input_129; [L590] SORT_2 var_193_arg_1 = var_56; [L591] SORT_2 var_193_arg_2 = var_192; [L592] EXPR var_193_arg_0 ? var_193_arg_1 : var_193_arg_2 [L592] SORT_2 var_193 = var_193_arg_0 ? var_193_arg_1 : var_193_arg_2; [L593] SORT_1 var_194_arg_0 = input_106; [L594] SORT_2 var_194_arg_1 = var_56; [L595] SORT_2 var_194_arg_2 = var_193; [L596] EXPR var_194_arg_0 ? var_194_arg_1 : var_194_arg_2 [L596] SORT_2 var_194 = var_194_arg_0 ? var_194_arg_1 : var_194_arg_2; [L597] SORT_1 var_195_arg_0 = input_105; [L598] SORT_2 var_195_arg_1 = var_56; [L599] SORT_2 var_195_arg_2 = var_194; [L600] EXPR var_195_arg_0 ? var_195_arg_1 : var_195_arg_2 [L600] SORT_2 var_195 = var_195_arg_0 ? var_195_arg_1 : var_195_arg_2; [L601] SORT_1 var_196_arg_0 = input_104; [L602] SORT_2 var_196_arg_1 = var_56; [L603] SORT_2 var_196_arg_2 = var_195; [L604] EXPR var_196_arg_0 ? var_196_arg_1 : var_196_arg_2 [L604] SORT_2 var_196 = var_196_arg_0 ? var_196_arg_1 : var_196_arg_2; [L605] SORT_1 var_197_arg_0 = input_103; [L606] SORT_2 var_197_arg_1 = var_56; [L607] SORT_2 var_197_arg_2 = var_196; [L608] EXPR var_197_arg_0 ? var_197_arg_1 : var_197_arg_2 [L608] SORT_2 var_197 = var_197_arg_0 ? var_197_arg_1 : var_197_arg_2; [L609] SORT_1 var_198_arg_0 = input_145; [L610] SORT_2 var_198_arg_1 = var_69; [L611] SORT_2 var_198_arg_2 = var_197; [L612] EXPR var_198_arg_0 ? var_198_arg_1 : var_198_arg_2 [L612] SORT_2 var_198 = var_198_arg_0 ? var_198_arg_1 : var_198_arg_2; [L613] var_198 = var_198 & mask_SORT_2 [L614] SORT_2 next_199_arg_1 = var_198; [L615] SORT_1 var_200_arg_0 = input_83; [L616] SORT_2 var_200_arg_1 = var_56; [L617] SORT_2 var_200_arg_2 = state_42; [L618] EXPR var_200_arg_0 ? var_200_arg_1 : var_200_arg_2 [L618] SORT_2 var_200 = var_200_arg_0 ? var_200_arg_1 : var_200_arg_2; [L619] SORT_1 var_201_arg_0 = input_59; [L620] SORT_2 var_201_arg_1 = var_56; [L621] SORT_2 var_201_arg_2 = var_200; [L622] EXPR var_201_arg_0 ? var_201_arg_1 : var_201_arg_2 [L622] SORT_2 var_201 = var_201_arg_0 ? var_201_arg_1 : var_201_arg_2; [L623] SORT_1 var_202_arg_0 = input_82; [L624] SORT_2 var_202_arg_1 = var_56; [L625] SORT_2 var_202_arg_2 = var_201; [L626] EXPR var_202_arg_0 ? var_202_arg_1 : var_202_arg_2 [L626] SORT_2 var_202 = var_202_arg_0 ? var_202_arg_1 : var_202_arg_2; [L627] SORT_1 var_203_arg_0 = input_81; [L628] SORT_2 var_203_arg_1 = var_56; [L629] SORT_2 var_203_arg_2 = var_202; [L630] EXPR var_203_arg_0 ? var_203_arg_1 : var_203_arg_2 [L630] SORT_2 var_203 = var_203_arg_0 ? var_203_arg_1 : var_203_arg_2; [L631] SORT_1 var_204_arg_0 = input_80; [L632] SORT_2 var_204_arg_1 = var_56; [L633] SORT_2 var_204_arg_2 = var_203; [L634] EXPR var_204_arg_0 ? var_204_arg_1 : var_204_arg_2 [L634] SORT_2 var_204 = var_204_arg_0 ? var_204_arg_1 : var_204_arg_2; [L635] SORT_1 var_205_arg_0 = input_79; [L636] SORT_2 var_205_arg_1 = var_56; [L637] SORT_2 var_205_arg_2 = var_204; [L638] EXPR var_205_arg_0 ? var_205_arg_1 : var_205_arg_2 [L638] SORT_2 var_205 = var_205_arg_0 ? var_205_arg_1 : var_205_arg_2; [L639] SORT_1 var_206_arg_0 = input_138; [L640] SORT_2 var_206_arg_1 = var_56; [L641] SORT_2 var_206_arg_2 = var_205; [L642] EXPR var_206_arg_0 ? var_206_arg_1 : var_206_arg_2 [L642] SORT_2 var_206 = var_206_arg_0 ? var_206_arg_1 : var_206_arg_2; [L643] SORT_1 var_207_arg_0 = input_137; [L644] SORT_2 var_207_arg_1 = var_56; [L645] SORT_2 var_207_arg_2 = var_206; [L646] EXPR var_207_arg_0 ? var_207_arg_1 : var_207_arg_2 [L646] SORT_2 var_207 = var_207_arg_0 ? var_207_arg_1 : var_207_arg_2; [L647] SORT_1 var_208_arg_0 = input_118; [L648] SORT_2 var_208_arg_1 = var_56; [L649] SORT_2 var_208_arg_2 = var_207; [L650] EXPR var_208_arg_0 ? var_208_arg_1 : var_208_arg_2 [L650] SORT_2 var_208 = var_208_arg_0 ? var_208_arg_1 : var_208_arg_2; [L651] SORT_1 var_209_arg_0 = input_117; [L652] SORT_2 var_209_arg_1 = var_56; [L653] SORT_2 var_209_arg_2 = var_208; [L654] EXPR var_209_arg_0 ? var_209_arg_1 : var_209_arg_2 [L654] SORT_2 var_209 = var_209_arg_0 ? var_209_arg_1 : var_209_arg_2; [L655] SORT_1 var_210_arg_0 = input_116; [L656] SORT_2 var_210_arg_1 = var_56; [L657] SORT_2 var_210_arg_2 = var_209; [L658] EXPR var_210_arg_0 ? var_210_arg_1 : var_210_arg_2 [L658] SORT_2 var_210 = var_210_arg_0 ? var_210_arg_1 : var_210_arg_2; [L659] SORT_1 var_211_arg_0 = input_115; [L660] SORT_2 var_211_arg_1 = var_56; [L661] SORT_2 var_211_arg_2 = var_210; [L662] EXPR var_211_arg_0 ? var_211_arg_1 : var_211_arg_2 [L662] SORT_2 var_211 = var_211_arg_0 ? var_211_arg_1 : var_211_arg_2; [L663] SORT_1 var_212_arg_0 = input_145; [L664] SORT_2 var_212_arg_1 = var_69; [L665] SORT_2 var_212_arg_2 = var_211; [L666] EXPR var_212_arg_0 ? var_212_arg_1 : var_212_arg_2 [L666] SORT_2 var_212 = var_212_arg_0 ? var_212_arg_1 : var_212_arg_2; [L667] var_212 = var_212 & mask_SORT_2 [L668] SORT_2 next_213_arg_1 = var_212; [L669] SORT_1 var_214_arg_0 = input_68; [L670] SORT_2 var_214_arg_1 = var_56; [L671] SORT_2 var_214_arg_2 = state_44; [L672] EXPR var_214_arg_0 ? var_214_arg_1 : var_214_arg_2 [L672] SORT_2 var_214 = var_214_arg_0 ? var_214_arg_1 : var_214_arg_2; [L673] SORT_1 var_215_arg_0 = input_83; [L674] SORT_2 var_215_arg_1 = var_56; [L675] SORT_2 var_215_arg_2 = var_214; [L676] EXPR var_215_arg_0 ? var_215_arg_1 : var_215_arg_2 [L676] SORT_2 var_215 = var_215_arg_0 ? var_215_arg_1 : var_215_arg_2; [L677] SORT_1 var_216_arg_0 = input_55; [L678] SORT_2 var_216_arg_1 = var_56; [L679] SORT_2 var_216_arg_2 = var_215; [L680] EXPR var_216_arg_0 ? var_216_arg_1 : var_216_arg_2 [L680] SORT_2 var_216 = var_216_arg_0 ? var_216_arg_1 : var_216_arg_2; [L681] SORT_1 var_217_arg_0 = input_59; [L682] SORT_2 var_217_arg_1 = var_56; [L683] SORT_2 var_217_arg_2 = var_216; [L684] EXPR var_217_arg_0 ? var_217_arg_1 : var_217_arg_2 [L684] SORT_2 var_217 = var_217_arg_0 ? var_217_arg_1 : var_217_arg_2; [L685] SORT_1 var_218_arg_0 = input_66; [L686] SORT_2 var_218_arg_1 = var_56; [L687] SORT_2 var_218_arg_2 = var_217; [L688] EXPR var_218_arg_0 ? var_218_arg_1 : var_218_arg_2 [L688] SORT_2 var_218 = var_218_arg_0 ? var_218_arg_1 : var_218_arg_2; [L689] SORT_1 var_219_arg_0 = input_82; [L690] SORT_2 var_219_arg_1 = var_56; [L691] SORT_2 var_219_arg_2 = var_218; [L692] EXPR var_219_arg_0 ? var_219_arg_1 : var_219_arg_2 [L692] SORT_2 var_219 = var_219_arg_0 ? var_219_arg_1 : var_219_arg_2; [L693] SORT_1 var_220_arg_0 = input_65; [L694] SORT_2 var_220_arg_1 = var_56; [L695] SORT_2 var_220_arg_2 = var_219; [L696] EXPR var_220_arg_0 ? var_220_arg_1 : var_220_arg_2 [L696] SORT_2 var_220 = var_220_arg_0 ? var_220_arg_1 : var_220_arg_2; [L697] SORT_1 var_221_arg_0 = input_81; [L698] SORT_2 var_221_arg_1 = var_56; [L699] SORT_2 var_221_arg_2 = var_220; [L700] EXPR var_221_arg_0 ? var_221_arg_1 : var_221_arg_2 [L700] SORT_2 var_221 = var_221_arg_0 ? var_221_arg_1 : var_221_arg_2; [L701] SORT_1 var_222_arg_0 = input_64; [L702] SORT_2 var_222_arg_1 = var_56; [L703] SORT_2 var_222_arg_2 = var_221; [L704] EXPR var_222_arg_0 ? var_222_arg_1 : var_222_arg_2 [L704] SORT_2 var_222 = var_222_arg_0 ? var_222_arg_1 : var_222_arg_2; [L705] SORT_1 var_223_arg_0 = input_80; [L706] SORT_2 var_223_arg_1 = var_56; [L707] SORT_2 var_223_arg_2 = var_222; [L708] EXPR var_223_arg_0 ? var_223_arg_1 : var_223_arg_2 [L708] SORT_2 var_223 = var_223_arg_0 ? var_223_arg_1 : var_223_arg_2; [L709] SORT_1 var_224_arg_0 = input_62; [L710] SORT_2 var_224_arg_1 = var_56; [L711] SORT_2 var_224_arg_2 = var_223; [L712] EXPR var_224_arg_0 ? var_224_arg_1 : var_224_arg_2 [L712] SORT_2 var_224 = var_224_arg_0 ? var_224_arg_1 : var_224_arg_2; [L713] SORT_1 var_225_arg_0 = input_79; [L714] SORT_2 var_225_arg_1 = var_56; [L715] SORT_2 var_225_arg_2 = var_224; [L716] EXPR var_225_arg_0 ? var_225_arg_1 : var_225_arg_2 [L716] SORT_2 var_225 = var_225_arg_0 ? var_225_arg_1 : var_225_arg_2; [L717] SORT_1 var_226_arg_0 = input_130; [L718] SORT_2 var_226_arg_1 = var_56; [L719] SORT_2 var_226_arg_2 = var_225; [L720] EXPR var_226_arg_0 ? var_226_arg_1 : var_226_arg_2 [L720] SORT_2 var_226 = var_226_arg_0 ? var_226_arg_1 : var_226_arg_2; [L721] SORT_1 var_227_arg_0 = input_138; [L722] SORT_2 var_227_arg_1 = var_56; [L723] SORT_2 var_227_arg_2 = var_226; [L724] EXPR var_227_arg_0 ? var_227_arg_1 : var_227_arg_2 [L724] SORT_2 var_227 = var_227_arg_0 ? var_227_arg_1 : var_227_arg_2; [L725] SORT_1 var_228_arg_0 = input_129; [L726] SORT_2 var_228_arg_1 = var_56; [L727] SORT_2 var_228_arg_2 = var_227; [L728] EXPR var_228_arg_0 ? var_228_arg_1 : var_228_arg_2 [L728] SORT_2 var_228 = var_228_arg_0 ? var_228_arg_1 : var_228_arg_2; [L729] SORT_1 var_229_arg_0 = input_137; [L730] SORT_2 var_229_arg_1 = var_56; [L731] SORT_2 var_229_arg_2 = var_228; [L732] EXPR var_229_arg_0 ? var_229_arg_1 : var_229_arg_2 [L732] SORT_2 var_229 = var_229_arg_0 ? var_229_arg_1 : var_229_arg_2; [L733] SORT_1 var_230_arg_0 = input_106; [L734] SORT_2 var_230_arg_1 = var_56; [L735] SORT_2 var_230_arg_2 = var_229; [L736] EXPR var_230_arg_0 ? var_230_arg_1 : var_230_arg_2 [L736] SORT_2 var_230 = var_230_arg_0 ? var_230_arg_1 : var_230_arg_2; [L737] SORT_1 var_231_arg_0 = input_118; [L738] SORT_2 var_231_arg_1 = var_56; [L739] SORT_2 var_231_arg_2 = var_230; [L740] EXPR var_231_arg_0 ? var_231_arg_1 : var_231_arg_2 [L740] SORT_2 var_231 = var_231_arg_0 ? var_231_arg_1 : var_231_arg_2; [L741] SORT_1 var_232_arg_0 = input_105; [L742] SORT_2 var_232_arg_1 = var_56; [L743] SORT_2 var_232_arg_2 = var_231; [L744] EXPR var_232_arg_0 ? var_232_arg_1 : var_232_arg_2 [L744] SORT_2 var_232 = var_232_arg_0 ? var_232_arg_1 : var_232_arg_2; [L745] SORT_1 var_233_arg_0 = input_117; [L746] SORT_2 var_233_arg_1 = var_56; [L747] SORT_2 var_233_arg_2 = var_232; [L748] EXPR var_233_arg_0 ? var_233_arg_1 : var_233_arg_2 [L748] SORT_2 var_233 = var_233_arg_0 ? var_233_arg_1 : var_233_arg_2; [L749] SORT_1 var_234_arg_0 = input_104; [L750] SORT_2 var_234_arg_1 = var_56; [L751] SORT_2 var_234_arg_2 = var_233; [L752] EXPR var_234_arg_0 ? var_234_arg_1 : var_234_arg_2 [L752] SORT_2 var_234 = var_234_arg_0 ? var_234_arg_1 : var_234_arg_2; [L753] SORT_1 var_235_arg_0 = input_116; [L754] SORT_2 var_235_arg_1 = var_56; [L755] SORT_2 var_235_arg_2 = var_234; [L756] EXPR var_235_arg_0 ? var_235_arg_1 : var_235_arg_2 [L756] SORT_2 var_235 = var_235_arg_0 ? var_235_arg_1 : var_235_arg_2; [L757] SORT_1 var_236_arg_0 = input_103; [L758] SORT_2 var_236_arg_1 = var_56; [L759] SORT_2 var_236_arg_2 = var_235; [L760] EXPR var_236_arg_0 ? var_236_arg_1 : var_236_arg_2 [L760] SORT_2 var_236 = var_236_arg_0 ? var_236_arg_1 : var_236_arg_2; [L761] SORT_1 var_237_arg_0 = input_115; [L762] SORT_2 var_237_arg_1 = var_56; [L763] SORT_2 var_237_arg_2 = var_236; [L764] EXPR var_237_arg_0 ? var_237_arg_1 : var_237_arg_2 [L764] SORT_2 var_237 = var_237_arg_0 ? var_237_arg_1 : var_237_arg_2; [L765] SORT_1 var_238_arg_0 = input_145; [L766] SORT_2 var_238_arg_1 = var_69; [L767] SORT_2 var_238_arg_2 = var_237; [L768] EXPR var_238_arg_0 ? var_238_arg_1 : var_238_arg_2 [L768] SORT_2 var_238 = var_238_arg_0 ? var_238_arg_1 : var_238_arg_2; [L769] var_238 = var_238 & mask_SORT_2 [L770] SORT_2 next_239_arg_1 = var_238; [L771] SORT_1 var_241_arg_0 = ~state_47; [L772] var_241_arg_0 = var_241_arg_0 & mask_SORT_1 [L773] SORT_1 var_241_arg_1 = ~input_240; [L774] var_241_arg_1 = var_241_arg_1 & mask_SORT_1 [L775] SORT_1 var_241 = var_241_arg_0 & var_241_arg_1; [L776] SORT_1 next_242_arg_1 = ~var_241; [L777] next_242_arg_1 = next_242_arg_1 & mask_SORT_1 [L778] SORT_1 var_243_arg_0 = state_49; [L779] SORT_1 var_243_arg_1 = input_240; [L780] SORT_1 var_243 = var_243_arg_0 | var_243_arg_1; [L781] SORT_1 next_244_arg_1 = var_243; [L782] SORT_2 var_245_arg_0 = var_56; [L783] SORT_2 var_245_arg_1 = var_98; [L784] SORT_1 var_245 = var_245_arg_0 == var_245_arg_1; [L785] SORT_2 var_246_arg_0 = var_69; [L786] SORT_2 var_246_arg_1 = var_70; [L787] SORT_1 var_246 = var_246_arg_0 == var_246_arg_1; [L788] SORT_1 var_247_arg_0 = var_245; [L789] SORT_1 var_247_arg_1 = var_246; [L790] SORT_1 var_247 = var_247_arg_0 & var_247_arg_1; [L791] SORT_2 var_248_arg_0 = var_69; [L792] SORT_2 var_248_arg_1 = var_84; [L793] SORT_1 var_248 = var_248_arg_0 == var_248_arg_1; [L794] SORT_1 var_249_arg_0 = var_247; [L795] SORT_1 var_249_arg_1 = var_248; [L796] SORT_1 var_249 = var_249_arg_0 & var_249_arg_1; [L797] SORT_2 var_250_arg_0 = var_56; [L798] SORT_2 var_250_arg_1 = state_22; [L799] SORT_1 var_250 = var_250_arg_0 == var_250_arg_1; [L800] SORT_1 var_251_arg_0 = var_249; [L801] SORT_1 var_251_arg_1 = var_250; [L802] SORT_1 var_251 = var_251_arg_0 & var_251_arg_1; [L803] SORT_2 var_252_arg_0 = var_69; [L804] SORT_2 var_252_arg_1 = var_93; [L805] SORT_1 var_252 = var_252_arg_0 == var_252_arg_1; [L806] SORT_1 var_253_arg_0 = var_251; [L807] SORT_1 var_253_arg_1 = var_252; [L808] SORT_1 var_253 = var_253_arg_0 & var_253_arg_1; [L809] SORT_1 var_254_arg_0 = ~state_47; [L810] var_254_arg_0 = var_254_arg_0 & mask_SORT_1 [L811] SORT_1 var_254_arg_1 = var_253; [L812] SORT_1 var_254 = var_254_arg_0 & var_254_arg_1; [L813] SORT_1 var_255_arg_0 = ~input_240; [L814] var_255_arg_0 = var_255_arg_0 & mask_SORT_1 [L815] SORT_1 var_255_arg_1 = var_254; [L816] SORT_1 var_255 = var_255_arg_0 | var_255_arg_1; [L817] SORT_2 var_256_arg_0 = var_69; [L818] SORT_2 var_256_arg_1 = state_24; [L819] SORT_1 var_256 = var_256_arg_0 == var_256_arg_1; [L820] SORT_2 var_257_arg_0 = var_69; [L821] SORT_2 var_257_arg_1 = state_40; [L822] SORT_1 var_257 = var_257_arg_0 == var_257_arg_1; [L823] SORT_1 var_258_arg_0 = var_256; [L824] SORT_1 var_258_arg_1 = var_257; [L825] SORT_1 var_258 = var_258_arg_0 & var_258_arg_1; [L826] SORT_2 var_259_arg_0 = var_69; [L827] SORT_2 var_259_arg_1 = state_4; [L828] SORT_1 var_259 = var_259_arg_0 == var_259_arg_1; [L829] SORT_1 var_260_arg_0 = var_258; [L830] SORT_1 var_260_arg_1 = var_259; [L831] SORT_1 var_260 = var_260_arg_0 & var_260_arg_1; [L832] SORT_1 var_261_arg_0 = ~state_47; [L833] var_261_arg_0 = var_261_arg_0 & mask_SORT_1 [L834] SORT_1 var_261_arg_1 = var_260; [L835] SORT_1 var_261 = var_261_arg_0 & var_261_arg_1; [L836] SORT_1 var_262_arg_0 = ~input_68; [L837] var_262_arg_0 = var_262_arg_0 & mask_SORT_1 [L838] SORT_1 var_262_arg_1 = var_261; [L839] SORT_1 var_262 = var_262_arg_0 | var_262_arg_1; [L840] SORT_1 var_263_arg_0 = var_255; [L841] SORT_1 var_263_arg_1 = var_262; [L842] SORT_1 var_263 = var_263_arg_0 & var_263_arg_1; [L843] SORT_2 var_264_arg_0 = var_69; [L844] SORT_2 var_264_arg_1 = state_42; [L845] SORT_1 var_264 = var_264_arg_0 == var_264_arg_1; [L846] SORT_1 var_265_arg_0 = var_256; [L847] SORT_1 var_265_arg_1 = var_264; [L848] SORT_1 var_265 = var_265_arg_0 & var_265_arg_1; [L849] SORT_2 var_266_arg_0 = var_69; [L850] SORT_2 var_266_arg_1 = state_6; [L851] SORT_1 var_266 = var_266_arg_0 == var_266_arg_1; [L852] SORT_1 var_267_arg_0 = var_265; [L853] SORT_1 var_267_arg_1 = var_266; [L854] SORT_1 var_267 = var_267_arg_0 & var_267_arg_1; [L855] SORT_1 var_268_arg_0 = ~state_47; [L856] var_268_arg_0 = var_268_arg_0 & mask_SORT_1 [L857] SORT_1 var_268_arg_1 = var_267; [L858] SORT_1 var_268 = var_268_arg_0 & var_268_arg_1; [L859] SORT_1 var_269_arg_0 = ~input_83; [L860] var_269_arg_0 = var_269_arg_0 & mask_SORT_1 [L861] SORT_1 var_269_arg_1 = var_268; [L862] SORT_1 var_269 = var_269_arg_0 | var_269_arg_1; [L863] SORT_1 var_270_arg_0 = var_263; [L864] SORT_1 var_270_arg_1 = var_269; [L865] SORT_1 var_270 = var_270_arg_0 & var_270_arg_1; [L866] SORT_2 var_271_arg_0 = var_69; [L867] SORT_2 var_271_arg_1 = state_26; [L868] SORT_1 var_271 = var_271_arg_0 == var_271_arg_1; [L869] SORT_1 var_272_arg_0 = var_257; [L870] SORT_1 var_272_arg_1 = var_271; [L871] SORT_1 var_272 = var_272_arg_0 & var_272_arg_1; [L872] SORT_1 var_273_arg_0 = ~state_47; [L873] var_273_arg_0 = var_273_arg_0 & mask_SORT_1 [L874] SORT_1 var_273_arg_1 = var_272; [L875] SORT_1 var_273 = var_273_arg_0 & var_273_arg_1; [L876] SORT_1 var_274_arg_0 = ~input_55; [L877] var_274_arg_0 = var_274_arg_0 & mask_SORT_1 [L878] SORT_1 var_274_arg_1 = var_273; [L879] SORT_1 var_274 = var_274_arg_0 | var_274_arg_1; [L880] SORT_1 var_275_arg_0 = var_270; [L881] SORT_1 var_275_arg_1 = var_274; [L882] SORT_1 var_275 = var_275_arg_0 & var_275_arg_1; [L883] SORT_1 var_276_arg_0 = var_264; [L884] SORT_1 var_276_arg_1 = var_271; [L885] SORT_1 var_276 = var_276_arg_0 & var_276_arg_1; [L886] SORT_1 var_277_arg_0 = ~state_47; [L887] var_277_arg_0 = var_277_arg_0 & mask_SORT_1 [L888] SORT_1 var_277_arg_1 = var_276; [L889] SORT_1 var_277 = var_277_arg_0 & var_277_arg_1; [L890] SORT_1 var_278_arg_0 = ~input_59; [L891] var_278_arg_0 = var_278_arg_0 & mask_SORT_1 [L892] SORT_1 var_278_arg_1 = var_277; [L893] SORT_1 var_278 = var_278_arg_0 | var_278_arg_1; [L894] SORT_1 var_279_arg_0 = var_275; [L895] SORT_1 var_279_arg_1 = var_278; [L896] SORT_1 var_279 = var_279_arg_0 & var_279_arg_1; [L897] SORT_2 var_280_arg_0 = var_69; [L898] SORT_2 var_280_arg_1 = state_28; [L899] SORT_1 var_280 = var_280_arg_0 == var_280_arg_1; [L900] SORT_1 var_281_arg_0 = var_257; [L901] SORT_1 var_281_arg_1 = var_280; [L902] SORT_1 var_281 = var_281_arg_0 & var_281_arg_1; [L903] SORT_1 var_282_arg_0 = ~state_47; [L904] var_282_arg_0 = var_282_arg_0 & mask_SORT_1 [L905] SORT_1 var_282_arg_1 = var_281; [L906] SORT_1 var_282 = var_282_arg_0 & var_282_arg_1; [L907] SORT_1 var_283_arg_0 = ~input_66; [L908] var_283_arg_0 = var_283_arg_0 & mask_SORT_1 [L909] SORT_1 var_283_arg_1 = var_282; [L910] SORT_1 var_283 = var_283_arg_0 | var_283_arg_1; [L911] SORT_1 var_284_arg_0 = var_279; [L912] SORT_1 var_284_arg_1 = var_283; [L913] SORT_1 var_284 = var_284_arg_0 & var_284_arg_1; [L914] SORT_1 var_285_arg_0 = var_264; [L915] SORT_1 var_285_arg_1 = var_280; [L916] SORT_1 var_285 = var_285_arg_0 & var_285_arg_1; [L917] SORT_1 var_286_arg_0 = ~state_47; [L918] var_286_arg_0 = var_286_arg_0 & mask_SORT_1 [L919] SORT_1 var_286_arg_1 = var_285; [L920] SORT_1 var_286 = var_286_arg_0 & var_286_arg_1; [L921] SORT_1 var_287_arg_0 = ~input_82; [L922] var_287_arg_0 = var_287_arg_0 & mask_SORT_1 [L923] SORT_1 var_287_arg_1 = var_286; [L924] SORT_1 var_287 = var_287_arg_0 | var_287_arg_1; [L925] SORT_1 var_288_arg_0 = var_284; [L926] SORT_1 var_288_arg_1 = var_287; [L927] SORT_1 var_288 = var_288_arg_0 & var_288_arg_1; [L928] SORT_2 var_289_arg_0 = var_69; [L929] SORT_2 var_289_arg_1 = state_30; [L930] SORT_1 var_289 = var_289_arg_0 == var_289_arg_1; [L931] SORT_1 var_290_arg_0 = var_257; [L932] SORT_1 var_290_arg_1 = var_289; [L933] SORT_1 var_290 = var_290_arg_0 & var_290_arg_1; [L934] SORT_1 var_291_arg_0 = ~state_47; [L935] var_291_arg_0 = var_291_arg_0 & mask_SORT_1 [L936] SORT_1 var_291_arg_1 = var_290; [L937] SORT_1 var_291 = var_291_arg_0 & var_291_arg_1; [L938] SORT_1 var_292_arg_0 = ~input_65; [L939] var_292_arg_0 = var_292_arg_0 & mask_SORT_1 [L940] SORT_1 var_292_arg_1 = var_291; [L941] SORT_1 var_292 = var_292_arg_0 | var_292_arg_1; [L942] SORT_1 var_293_arg_0 = var_288; [L943] SORT_1 var_293_arg_1 = var_292; [L944] SORT_1 var_293 = var_293_arg_0 & var_293_arg_1; [L945] SORT_1 var_294_arg_0 = var_264; [L946] SORT_1 var_294_arg_1 = var_289; [L947] SORT_1 var_294 = var_294_arg_0 & var_294_arg_1; [L948] SORT_1 var_295_arg_0 = ~state_47; [L949] var_295_arg_0 = var_295_arg_0 & mask_SORT_1 [L950] SORT_1 var_295_arg_1 = var_294; [L951] SORT_1 var_295 = var_295_arg_0 & var_295_arg_1; [L952] SORT_1 var_296_arg_0 = ~input_81; [L953] var_296_arg_0 = var_296_arg_0 & mask_SORT_1 [L954] SORT_1 var_296_arg_1 = var_295; [L955] SORT_1 var_296 = var_296_arg_0 | var_296_arg_1; [L956] SORT_1 var_297_arg_0 = var_293; [L957] SORT_1 var_297_arg_1 = var_296; [L958] SORT_1 var_297 = var_297_arg_0 & var_297_arg_1; [L959] SORT_2 var_298_arg_0 = var_69; [L960] SORT_2 var_298_arg_1 = state_32; [L961] SORT_1 var_298 = var_298_arg_0 == var_298_arg_1; [L962] SORT_1 var_299_arg_0 = var_257; [L963] SORT_1 var_299_arg_1 = var_298; [L964] SORT_1 var_299 = var_299_arg_0 & var_299_arg_1; [L965] SORT_1 var_300_arg_0 = var_259; [L966] SORT_1 var_300_arg_1 = var_299; [L967] SORT_1 var_300 = var_300_arg_0 & var_300_arg_1; [L968] SORT_2 var_301_arg_0 = var_69; [L969] SORT_2 var_301_arg_1 = state_20; [L970] SORT_1 var_301 = var_301_arg_0 == var_301_arg_1; [L971] SORT_1 var_302_arg_0 = var_300; [L972] SORT_1 var_302_arg_1 = ~var_301; [L973] var_302_arg_1 = var_302_arg_1 & mask_SORT_1 [L974] SORT_1 var_302 = var_302_arg_0 & var_302_arg_1; [L975] SORT_1 var_303_arg_0 = ~state_47; [L976] var_303_arg_0 = var_303_arg_0 & mask_SORT_1 [L977] SORT_1 var_303_arg_1 = var_302; [L978] SORT_1 var_303 = var_303_arg_0 & var_303_arg_1; [L979] SORT_1 var_304_arg_0 = ~input_64; [L980] var_304_arg_0 = var_304_arg_0 & mask_SORT_1 [L981] SORT_1 var_304_arg_1 = var_303; [L982] SORT_1 var_304 = var_304_arg_0 | var_304_arg_1; [L983] SORT_1 var_305_arg_0 = var_297; [L984] SORT_1 var_305_arg_1 = var_304; [L985] SORT_1 var_305 = var_305_arg_0 & var_305_arg_1; [L986] SORT_1 var_306_arg_0 = var_264; [L987] SORT_1 var_306_arg_1 = var_298; [L988] SORT_1 var_306 = var_306_arg_0 & var_306_arg_1; [L989] SORT_1 var_307_arg_0 = var_266; [L990] SORT_1 var_307_arg_1 = var_306; [L991] SORT_1 var_307 = var_307_arg_0 & var_307_arg_1; [L992] SORT_2 var_308_arg_0 = var_69; [L993] SORT_2 var_308_arg_1 = state_22; [L994] SORT_1 var_308 = var_308_arg_0 == var_308_arg_1; [L995] SORT_1 var_309_arg_0 = var_307; [L996] SORT_1 var_309_arg_1 = ~var_308; [L997] var_309_arg_1 = var_309_arg_1 & mask_SORT_1 [L998] SORT_1 var_309 = var_309_arg_0 & var_309_arg_1; [L999] SORT_1 var_310_arg_0 = ~state_47; [L1000] var_310_arg_0 = var_310_arg_0 & mask_SORT_1 [L1001] SORT_1 var_310_arg_1 = var_309; [L1002] SORT_1 var_310 = var_310_arg_0 & var_310_arg_1; [L1003] SORT_1 var_311_arg_0 = ~input_80; [L1004] var_311_arg_0 = var_311_arg_0 & mask_SORT_1 [L1005] SORT_1 var_311_arg_1 = var_310; [L1006] SORT_1 var_311 = var_311_arg_0 | var_311_arg_1; [L1007] SORT_1 var_312_arg_0 = var_305; [L1008] SORT_1 var_312_arg_1 = var_311; [L1009] SORT_1 var_312 = var_312_arg_0 & var_312_arg_1; [L1010] SORT_2 var_313_arg_0 = var_56; [L1011] SORT_2 var_313_arg_1 = state_20; [L1012] SORT_1 var_313 = var_313_arg_0 == var_313_arg_1; [L1013] SORT_1 var_314_arg_0 = var_300; [L1014] SORT_1 var_314_arg_1 = ~var_313; [L1015] var_314_arg_1 = var_314_arg_1 & mask_SORT_1 [L1016] SORT_1 var_314 = var_314_arg_0 & var_314_arg_1; [L1017] SORT_1 var_315_arg_0 = ~state_47; [L1018] var_315_arg_0 = var_315_arg_0 & mask_SORT_1 [L1019] SORT_1 var_315_arg_1 = var_314; [L1020] SORT_1 var_315 = var_315_arg_0 & var_315_arg_1; [L1021] SORT_1 var_316_arg_0 = ~input_62; [L1022] var_316_arg_0 = var_316_arg_0 & mask_SORT_1 [L1023] SORT_1 var_316_arg_1 = var_315; [L1024] SORT_1 var_316 = var_316_arg_0 | var_316_arg_1; [L1025] SORT_1 var_317_arg_0 = var_312; [L1026] SORT_1 var_317_arg_1 = var_316; [L1027] SORT_1 var_317 = var_317_arg_0 & var_317_arg_1; [L1028] SORT_1 var_318_arg_0 = ~var_250; [L1029] var_318_arg_0 = var_318_arg_0 & mask_SORT_1 [L1030] SORT_1 var_318_arg_1 = var_307; [L1031] SORT_1 var_318 = var_318_arg_0 & var_318_arg_1; [L1032] SORT_1 var_319_arg_0 = ~state_47; [L1033] var_319_arg_0 = var_319_arg_0 & mask_SORT_1 [L1034] SORT_1 var_319_arg_1 = var_318; [L1035] SORT_1 var_319 = var_319_arg_0 & var_319_arg_1; [L1036] SORT_1 var_320_arg_0 = ~input_79; [L1037] var_320_arg_0 = var_320_arg_0 & mask_SORT_1 [L1038] SORT_1 var_320_arg_1 = var_319; [L1039] SORT_1 var_320 = var_320_arg_0 | var_320_arg_1; [L1040] SORT_1 var_321_arg_0 = var_317; [L1041] SORT_1 var_321_arg_1 = var_320; [L1042] SORT_1 var_321 = var_321_arg_0 & var_321_arg_1; [L1043] SORT_2 var_322_arg_0 = var_69; [L1044] SORT_2 var_322_arg_1 = state_34; [L1045] SORT_1 var_322 = var_322_arg_0 == var_322_arg_1; [L1046] SORT_1 var_323_arg_0 = var_257; [L1047] SORT_1 var_323_arg_1 = var_322; [L1048] SORT_1 var_323 = var_323_arg_0 & var_323_arg_1; [L1049] SORT_1 var_324_arg_0 = var_259; [L1050] SORT_1 var_324_arg_1 = var_323; [L1051] SORT_1 var_324 = var_324_arg_0 & var_324_arg_1; [L1052] SORT_1 var_325_arg_0 = ~var_301; [L1053] var_325_arg_0 = var_325_arg_0 & mask_SORT_1 [L1054] SORT_1 var_325_arg_1 = var_324; [L1055] SORT_1 var_325 = var_325_arg_0 & var_325_arg_1; [L1056] SORT_1 var_326_arg_0 = ~state_47; [L1057] var_326_arg_0 = var_326_arg_0 & mask_SORT_1 [L1058] SORT_1 var_326_arg_1 = var_325; [L1059] SORT_1 var_326 = var_326_arg_0 & var_326_arg_1; [L1060] SORT_1 var_327_arg_0 = ~input_130; [L1061] var_327_arg_0 = var_327_arg_0 & mask_SORT_1 [L1062] SORT_1 var_327_arg_1 = var_326; [L1063] SORT_1 var_327 = var_327_arg_0 | var_327_arg_1; [L1064] SORT_1 var_328_arg_0 = var_321; [L1065] SORT_1 var_328_arg_1 = var_327; [L1066] SORT_1 var_328 = var_328_arg_0 & var_328_arg_1; [L1067] SORT_1 var_329_arg_0 = var_264; [L1068] SORT_1 var_329_arg_1 = var_322; [L1069] SORT_1 var_329 = var_329_arg_0 & var_329_arg_1; [L1070] SORT_1 var_330_arg_0 = var_266; [L1071] SORT_1 var_330_arg_1 = var_329; [L1072] SORT_1 var_330 = var_330_arg_0 & var_330_arg_1; [L1073] SORT_1 var_331_arg_0 = ~var_308; [L1074] var_331_arg_0 = var_331_arg_0 & mask_SORT_1 [L1075] SORT_1 var_331_arg_1 = var_330; [L1076] SORT_1 var_331 = var_331_arg_0 & var_331_arg_1; [L1077] SORT_1 var_332_arg_0 = ~state_47; [L1078] var_332_arg_0 = var_332_arg_0 & mask_SORT_1 [L1079] SORT_1 var_332_arg_1 = var_331; [L1080] SORT_1 var_332 = var_332_arg_0 & var_332_arg_1; [L1081] SORT_1 var_333_arg_0 = ~input_138; [L1082] var_333_arg_0 = var_333_arg_0 & mask_SORT_1 [L1083] SORT_1 var_333_arg_1 = var_332; [L1084] SORT_1 var_333 = var_333_arg_0 | var_333_arg_1; [L1085] SORT_1 var_334_arg_0 = var_328; [L1086] SORT_1 var_334_arg_1 = var_333; [L1087] SORT_1 var_334 = var_334_arg_0 & var_334_arg_1; [L1088] SORT_1 var_335_arg_0 = ~var_313; [L1089] var_335_arg_0 = var_335_arg_0 & mask_SORT_1 [L1090] SORT_1 var_335_arg_1 = var_324; [L1091] SORT_1 var_335 = var_335_arg_0 & var_335_arg_1; [L1092] SORT_1 var_336_arg_0 = ~state_47; [L1093] var_336_arg_0 = var_336_arg_0 & mask_SORT_1 [L1094] SORT_1 var_336_arg_1 = var_335; [L1095] SORT_1 var_336 = var_336_arg_0 & var_336_arg_1; [L1096] SORT_1 var_337_arg_0 = ~input_129; [L1097] var_337_arg_0 = var_337_arg_0 & mask_SORT_1 [L1098] SORT_1 var_337_arg_1 = var_336; [L1099] SORT_1 var_337 = var_337_arg_0 | var_337_arg_1; [L1100] SORT_1 var_338_arg_0 = var_334; [L1101] SORT_1 var_338_arg_1 = var_337; [L1102] SORT_1 var_338 = var_338_arg_0 & var_338_arg_1; [L1103] SORT_1 var_339_arg_0 = ~var_250; [L1104] var_339_arg_0 = var_339_arg_0 & mask_SORT_1 [L1105] SORT_1 var_339_arg_1 = var_330; [L1106] SORT_1 var_339 = var_339_arg_0 & var_339_arg_1; [L1107] SORT_1 var_340_arg_0 = ~state_47; [L1108] var_340_arg_0 = var_340_arg_0 & mask_SORT_1 [L1109] SORT_1 var_340_arg_1 = var_339; [L1110] SORT_1 var_340 = var_340_arg_0 & var_340_arg_1; [L1111] SORT_1 var_341_arg_0 = ~input_137; [L1112] var_341_arg_0 = var_341_arg_0 & mask_SORT_1 [L1113] SORT_1 var_341_arg_1 = var_340; [L1114] SORT_1 var_341 = var_341_arg_0 | var_341_arg_1; [L1115] SORT_1 var_342_arg_0 = var_338; [L1116] SORT_1 var_342_arg_1 = var_341; [L1117] SORT_1 var_342 = var_342_arg_0 & var_342_arg_1; [L1118] SORT_2 var_343_arg_0 = var_69; [L1119] SORT_2 var_343_arg_1 = state_36; [L1120] SORT_1 var_343 = var_343_arg_0 == var_343_arg_1; [L1121] SORT_1 var_344_arg_0 = var_257; [L1122] SORT_1 var_344_arg_1 = var_343; [L1123] SORT_1 var_344 = var_344_arg_0 & var_344_arg_1; [L1124] SORT_1 var_345_arg_0 = var_259; [L1125] SORT_1 var_345_arg_1 = var_344; [L1126] SORT_1 var_345 = var_345_arg_0 & var_345_arg_1; [L1127] SORT_1 var_346_arg_0 = ~state_47; [L1128] var_346_arg_0 = var_346_arg_0 & mask_SORT_1 [L1129] SORT_1 var_346_arg_1 = var_345; [L1130] SORT_1 var_346 = var_346_arg_0 & var_346_arg_1; [L1131] SORT_1 var_347_arg_0 = ~input_106; [L1132] var_347_arg_0 = var_347_arg_0 & mask_SORT_1 [L1133] SORT_1 var_347_arg_1 = var_346; [L1134] SORT_1 var_347 = var_347_arg_0 | var_347_arg_1; [L1135] SORT_1 var_348_arg_0 = var_342; [L1136] SORT_1 var_348_arg_1 = var_347; [L1137] SORT_1 var_348 = var_348_arg_0 & var_348_arg_1; [L1138] SORT_1 var_349_arg_0 = var_264; [L1139] SORT_1 var_349_arg_1 = var_343; [L1140] SORT_1 var_349 = var_349_arg_0 & var_349_arg_1; [L1141] SORT_1 var_350_arg_0 = var_266; [L1142] SORT_1 var_350_arg_1 = var_349; [L1143] SORT_1 var_350 = var_350_arg_0 & var_350_arg_1; [L1144] SORT_1 var_351_arg_0 = ~state_47; [L1145] var_351_arg_0 = var_351_arg_0 & mask_SORT_1 [L1146] SORT_1 var_351_arg_1 = var_350; [L1147] SORT_1 var_351 = var_351_arg_0 & var_351_arg_1; [L1148] SORT_1 var_352_arg_0 = ~input_118; [L1149] var_352_arg_0 = var_352_arg_0 & mask_SORT_1 [L1150] SORT_1 var_352_arg_1 = var_351; [L1151] SORT_1 var_352 = var_352_arg_0 | var_352_arg_1; [L1152] SORT_1 var_353_arg_0 = var_348; [L1153] SORT_1 var_353_arg_1 = var_352; [L1154] SORT_1 var_353 = var_353_arg_0 & var_353_arg_1; [L1155] SORT_1 var_354_arg_0 = var_346; [L1156] SORT_1 var_354_arg_1 = ~input_105; [L1157] var_354_arg_1 = var_354_arg_1 & mask_SORT_1 [L1158] SORT_1 var_354 = var_354_arg_0 | var_354_arg_1; [L1159] SORT_1 var_355_arg_0 = var_353; [L1160] SORT_1 var_355_arg_1 = var_354; [L1161] SORT_1 var_355 = var_355_arg_0 & var_355_arg_1; [L1162] SORT_1 var_356_arg_0 = var_351; [L1163] SORT_1 var_356_arg_1 = ~input_117; [L1164] var_356_arg_1 = var_356_arg_1 & mask_SORT_1 [L1165] SORT_1 var_356 = var_356_arg_0 | var_356_arg_1; [L1166] SORT_1 var_357_arg_0 = var_355; [L1167] SORT_1 var_357_arg_1 = var_356; [L1168] SORT_1 var_357 = var_357_arg_0 & var_357_arg_1; [L1169] SORT_2 var_358_arg_0 = var_69; [L1170] SORT_2 var_358_arg_1 = state_38; [L1171] SORT_1 var_358 = var_358_arg_0 == var_358_arg_1; [L1172] SORT_1 var_359_arg_0 = var_257; [L1173] SORT_1 var_359_arg_1 = var_358; [L1174] SORT_1 var_359 = var_359_arg_0 & var_359_arg_1; [L1175] SORT_1 var_360_arg_0 = ~state_47; [L1176] var_360_arg_0 = var_360_arg_0 & mask_SORT_1 [L1177] SORT_1 var_360_arg_1 = var_359; [L1178] SORT_1 var_360 = var_360_arg_0 & var_360_arg_1; [L1179] SORT_1 var_361_arg_0 = ~input_104; [L1180] var_361_arg_0 = var_361_arg_0 & mask_SORT_1 [L1181] SORT_1 var_361_arg_1 = var_360; [L1182] SORT_1 var_361 = var_361_arg_0 | var_361_arg_1; [L1183] SORT_1 var_362_arg_0 = var_357; [L1184] SORT_1 var_362_arg_1 = var_361; [L1185] SORT_1 var_362 = var_362_arg_0 & var_362_arg_1; [L1186] SORT_1 var_363_arg_0 = var_264; [L1187] SORT_1 var_363_arg_1 = var_358; [L1188] SORT_1 var_363 = var_363_arg_0 & var_363_arg_1; [L1189] SORT_1 var_364_arg_0 = ~state_47; [L1190] var_364_arg_0 = var_364_arg_0 & mask_SORT_1 [L1191] SORT_1 var_364_arg_1 = var_363; [L1192] SORT_1 var_364 = var_364_arg_0 & var_364_arg_1; [L1193] SORT_1 var_365_arg_0 = ~input_116; [L1194] var_365_arg_0 = var_365_arg_0 & mask_SORT_1 [L1195] SORT_1 var_365_arg_1 = var_364; [L1196] SORT_1 var_365 = var_365_arg_0 | var_365_arg_1; [L1197] SORT_1 var_366_arg_0 = var_362; [L1198] SORT_1 var_366_arg_1 = var_365; [L1199] SORT_1 var_366 = var_366_arg_0 & var_366_arg_1; [L1200] SORT_1 var_367_arg_0 = var_360; [L1201] SORT_1 var_367_arg_1 = ~input_103; [L1202] var_367_arg_1 = var_367_arg_1 & mask_SORT_1 [L1203] SORT_1 var_367 = var_367_arg_0 | var_367_arg_1; [L1204] SORT_1 var_368_arg_0 = var_366; [L1205] SORT_1 var_368_arg_1 = var_367; [L1206] SORT_1 var_368 = var_368_arg_0 & var_368_arg_1; [L1207] SORT_1 var_369_arg_0 = var_364; [L1208] SORT_1 var_369_arg_1 = ~input_115; [L1209] var_369_arg_1 = var_369_arg_1 & mask_SORT_1 [L1210] SORT_1 var_369 = var_369_arg_0 | var_369_arg_1; [L1211] SORT_1 var_370_arg_0 = var_368; [L1212] SORT_1 var_370_arg_1 = var_369; [L1213] SORT_1 var_370 = var_370_arg_0 & var_370_arg_1; [L1214] SORT_2 var_371_arg_0 = var_56; [L1215] SORT_2 var_371_arg_1 = state_44; [L1216] SORT_1 var_371 = var_371_arg_0 == var_371_arg_1; [L1217] SORT_1 var_372_arg_0 = ~state_47; [L1218] var_372_arg_0 = var_372_arg_0 & mask_SORT_1 [L1219] SORT_1 var_372_arg_1 = var_371; [L1220] SORT_1 var_372 = var_372_arg_0 & var_372_arg_1; [L1221] SORT_1 var_373_arg_0 = ~input_145; [L1222] var_373_arg_0 = var_373_arg_0 & mask_SORT_1 [L1223] SORT_1 var_373_arg_1 = var_372; [L1224] SORT_1 var_373 = var_373_arg_0 | var_373_arg_1; [L1225] SORT_1 var_374_arg_0 = var_370; [L1226] SORT_1 var_374_arg_1 = var_373; [L1227] SORT_1 var_374 = var_374_arg_0 & var_374_arg_1; [L1228] SORT_1 var_375_arg_0 = input_240; [L1229] SORT_1 var_375_arg_1 = input_68; [L1230] SORT_1 var_375 = var_375_arg_0 | var_375_arg_1; [L1231] SORT_1 var_376_arg_0 = input_83; [L1232] SORT_1 var_376_arg_1 = var_375; [L1233] SORT_1 var_376 = var_376_arg_0 | var_376_arg_1; [L1234] SORT_1 var_377_arg_0 = input_55; [L1235] SORT_1 var_377_arg_1 = var_376; [L1236] SORT_1 var_377 = var_377_arg_0 | var_377_arg_1; [L1237] SORT_1 var_378_arg_0 = input_59; [L1238] SORT_1 var_378_arg_1 = var_377; [L1239] SORT_1 var_378 = var_378_arg_0 | var_378_arg_1; [L1240] SORT_1 var_379_arg_0 = input_66; [L1241] SORT_1 var_379_arg_1 = var_378; [L1242] SORT_1 var_379 = var_379_arg_0 | var_379_arg_1; [L1243] SORT_1 var_380_arg_0 = input_82; [L1244] SORT_1 var_380_arg_1 = var_379; [L1245] SORT_1 var_380 = var_380_arg_0 | var_380_arg_1; [L1246] SORT_1 var_381_arg_0 = input_65; [L1247] SORT_1 var_381_arg_1 = var_380; [L1248] SORT_1 var_381 = var_381_arg_0 | var_381_arg_1; [L1249] SORT_1 var_382_arg_0 = input_81; [L1250] SORT_1 var_382_arg_1 = var_381; [L1251] SORT_1 var_382 = var_382_arg_0 | var_382_arg_1; [L1252] SORT_1 var_383_arg_0 = input_64; [L1253] SORT_1 var_383_arg_1 = var_382; [L1254] SORT_1 var_383 = var_383_arg_0 | var_383_arg_1; [L1255] SORT_1 var_384_arg_0 = input_80; [L1256] SORT_1 var_384_arg_1 = var_383; [L1257] SORT_1 var_384 = var_384_arg_0 | var_384_arg_1; [L1258] SORT_1 var_385_arg_0 = input_62; [L1259] SORT_1 var_385_arg_1 = var_384; [L1260] SORT_1 var_385 = var_385_arg_0 | var_385_arg_1; [L1261] SORT_1 var_386_arg_0 = input_79; [L1262] SORT_1 var_386_arg_1 = var_385; [L1263] SORT_1 var_386 = var_386_arg_0 | var_386_arg_1; [L1264] SORT_1 var_387_arg_0 = input_130; [L1265] SORT_1 var_387_arg_1 = var_386; [L1266] SORT_1 var_387 = var_387_arg_0 | var_387_arg_1; [L1267] SORT_1 var_388_arg_0 = input_138; [L1268] SORT_1 var_388_arg_1 = var_387; [L1269] SORT_1 var_388 = var_388_arg_0 | var_388_arg_1; [L1270] SORT_1 var_389_arg_0 = input_129; [L1271] SORT_1 var_389_arg_1 = var_388; [L1272] SORT_1 var_389 = var_389_arg_0 | var_389_arg_1; [L1273] SORT_1 var_390_arg_0 = input_137; [L1274] SORT_1 var_390_arg_1 = var_389; [L1275] SORT_1 var_390 = var_390_arg_0 | var_390_arg_1; [L1276] SORT_1 var_391_arg_0 = input_106; [L1277] SORT_1 var_391_arg_1 = var_390; [L1278] SORT_1 var_391 = var_391_arg_0 | var_391_arg_1; [L1279] SORT_1 var_392_arg_0 = input_118; [L1280] SORT_1 var_392_arg_1 = var_391; [L1281] SORT_1 var_392 = var_392_arg_0 | var_392_arg_1; [L1282] SORT_1 var_393_arg_0 = input_105; [L1283] SORT_1 var_393_arg_1 = var_392; [L1284] SORT_1 var_393 = var_393_arg_0 | var_393_arg_1; [L1285] SORT_1 var_394_arg_0 = input_117; [L1286] SORT_1 var_394_arg_1 = var_393; [L1287] SORT_1 var_394 = var_394_arg_0 | var_394_arg_1; [L1288] SORT_1 var_395_arg_0 = input_104; [L1289] SORT_1 var_395_arg_1 = var_394; [L1290] SORT_1 var_395 = var_395_arg_0 | var_395_arg_1; [L1291] SORT_1 var_396_arg_0 = input_116; [L1292] SORT_1 var_396_arg_1 = var_395; [L1293] SORT_1 var_396 = var_396_arg_0 | var_396_arg_1; [L1294] SORT_1 var_397_arg_0 = input_103; [L1295] SORT_1 var_397_arg_1 = var_396; [L1296] SORT_1 var_397 = var_397_arg_0 | var_397_arg_1; [L1297] SORT_1 var_398_arg_0 = input_115; [L1298] SORT_1 var_398_arg_1 = var_397; [L1299] SORT_1 var_398 = var_398_arg_0 | var_398_arg_1; [L1300] SORT_1 var_399_arg_0 = input_145; [L1301] SORT_1 var_399_arg_1 = var_398; [L1302] SORT_1 var_399 = var_399_arg_0 | var_399_arg_1; [L1303] SORT_1 var_400_arg_0 = var_374; [L1304] SORT_1 var_400_arg_1 = var_399; [L1305] SORT_1 var_400 = var_400_arg_0 & var_400_arg_1; [L1306] SORT_1 var_401_arg_0 = input_240; [L1307] SORT_1 var_401_arg_1 = input_68; [L1308] SORT_1 var_401 = var_401_arg_0 & var_401_arg_1; [L1309] SORT_1 var_402_arg_0 = input_83; [L1310] SORT_1 var_402_arg_1 = var_375; [L1311] SORT_1 var_402 = var_402_arg_0 & var_402_arg_1; [L1312] SORT_1 var_403_arg_0 = var_401; [L1313] SORT_1 var_403_arg_1 = var_402; [L1314] SORT_1 var_403 = var_403_arg_0 | var_403_arg_1; [L1315] SORT_1 var_404_arg_0 = input_55; [L1316] SORT_1 var_404_arg_1 = var_376; [L1317] SORT_1 var_404 = var_404_arg_0 & var_404_arg_1; [L1318] SORT_1 var_405_arg_0 = var_403; [L1319] SORT_1 var_405_arg_1 = var_404; [L1320] SORT_1 var_405 = var_405_arg_0 | var_405_arg_1; [L1321] SORT_1 var_406_arg_0 = input_59; [L1322] SORT_1 var_406_arg_1 = var_377; [L1323] SORT_1 var_406 = var_406_arg_0 & var_406_arg_1; [L1324] SORT_1 var_407_arg_0 = var_405; [L1325] SORT_1 var_407_arg_1 = var_406; [L1326] SORT_1 var_407 = var_407_arg_0 | var_407_arg_1; [L1327] SORT_1 var_408_arg_0 = input_66; [L1328] SORT_1 var_408_arg_1 = var_378; [L1329] SORT_1 var_408 = var_408_arg_0 & var_408_arg_1; [L1330] SORT_1 var_409_arg_0 = var_407; [L1331] SORT_1 var_409_arg_1 = var_408; [L1332] SORT_1 var_409 = var_409_arg_0 | var_409_arg_1; [L1333] SORT_1 var_410_arg_0 = input_82; [L1334] SORT_1 var_410_arg_1 = var_379; [L1335] SORT_1 var_410 = var_410_arg_0 & var_410_arg_1; [L1336] SORT_1 var_411_arg_0 = var_409; [L1337] SORT_1 var_411_arg_1 = var_410; [L1338] SORT_1 var_411 = var_411_arg_0 | var_411_arg_1; [L1339] SORT_1 var_412_arg_0 = input_65; [L1340] SORT_1 var_412_arg_1 = var_380; [L1341] SORT_1 var_412 = var_412_arg_0 & var_412_arg_1; [L1342] SORT_1 var_413_arg_0 = var_411; [L1343] SORT_1 var_413_arg_1 = var_412; [L1344] SORT_1 var_413 = var_413_arg_0 | var_413_arg_1; [L1345] SORT_1 var_414_arg_0 = input_81; [L1346] SORT_1 var_414_arg_1 = var_381; [L1347] SORT_1 var_414 = var_414_arg_0 & var_414_arg_1; [L1348] SORT_1 var_415_arg_0 = var_413; [L1349] SORT_1 var_415_arg_1 = var_414; [L1350] SORT_1 var_415 = var_415_arg_0 | var_415_arg_1; [L1351] SORT_1 var_416_arg_0 = input_64; [L1352] SORT_1 var_416_arg_1 = var_382; [L1353] SORT_1 var_416 = var_416_arg_0 & var_416_arg_1; [L1354] SORT_1 var_417_arg_0 = var_415; [L1355] SORT_1 var_417_arg_1 = var_416; [L1356] SORT_1 var_417 = var_417_arg_0 | var_417_arg_1; [L1357] SORT_1 var_418_arg_0 = input_80; [L1358] SORT_1 var_418_arg_1 = var_383; [L1359] SORT_1 var_418 = var_418_arg_0 & var_418_arg_1; [L1360] SORT_1 var_419_arg_0 = var_417; [L1361] SORT_1 var_419_arg_1 = var_418; [L1362] SORT_1 var_419 = var_419_arg_0 | var_419_arg_1; [L1363] SORT_1 var_420_arg_0 = input_62; [L1364] SORT_1 var_420_arg_1 = var_384; [L1365] SORT_1 var_420 = var_420_arg_0 & var_420_arg_1; [L1366] SORT_1 var_421_arg_0 = var_419; [L1367] SORT_1 var_421_arg_1 = var_420; [L1368] SORT_1 var_421 = var_421_arg_0 | var_421_arg_1; [L1369] SORT_1 var_422_arg_0 = input_79; [L1370] SORT_1 var_422_arg_1 = var_385; [L1371] SORT_1 var_422 = var_422_arg_0 & var_422_arg_1; [L1372] SORT_1 var_423_arg_0 = var_421; [L1373] SORT_1 var_423_arg_1 = var_422; [L1374] SORT_1 var_423 = var_423_arg_0 | var_423_arg_1; [L1375] SORT_1 var_424_arg_0 = input_130; [L1376] SORT_1 var_424_arg_1 = var_386; [L1377] SORT_1 var_424 = var_424_arg_0 & var_424_arg_1; [L1378] SORT_1 var_425_arg_0 = var_423; [L1379] SORT_1 var_425_arg_1 = var_424; [L1380] SORT_1 var_425 = var_425_arg_0 | var_425_arg_1; [L1381] SORT_1 var_426_arg_0 = input_138; [L1382] SORT_1 var_426_arg_1 = var_387; [L1383] SORT_1 var_426 = var_426_arg_0 & var_426_arg_1; [L1384] SORT_1 var_427_arg_0 = var_425; [L1385] SORT_1 var_427_arg_1 = var_426; [L1386] SORT_1 var_427 = var_427_arg_0 | var_427_arg_1; [L1387] SORT_1 var_428_arg_0 = input_129; [L1388] SORT_1 var_428_arg_1 = var_388; [L1389] SORT_1 var_428 = var_428_arg_0 & var_428_arg_1; [L1390] SORT_1 var_429_arg_0 = var_427; [L1391] SORT_1 var_429_arg_1 = var_428; [L1392] SORT_1 var_429 = var_429_arg_0 | var_429_arg_1; [L1393] SORT_1 var_430_arg_0 = input_137; [L1394] SORT_1 var_430_arg_1 = var_389; [L1395] SORT_1 var_430 = var_430_arg_0 & var_430_arg_1; [L1396] SORT_1 var_431_arg_0 = var_429; [L1397] SORT_1 var_431_arg_1 = var_430; [L1398] SORT_1 var_431 = var_431_arg_0 | var_431_arg_1; [L1399] SORT_1 var_432_arg_0 = input_106; [L1400] SORT_1 var_432_arg_1 = var_390; [L1401] SORT_1 var_432 = var_432_arg_0 & var_432_arg_1; [L1402] SORT_1 var_433_arg_0 = var_431; [L1403] SORT_1 var_433_arg_1 = var_432; [L1404] SORT_1 var_433 = var_433_arg_0 | var_433_arg_1; [L1405] SORT_1 var_434_arg_0 = input_118; [L1406] SORT_1 var_434_arg_1 = var_391; [L1407] SORT_1 var_434 = var_434_arg_0 & var_434_arg_1; [L1408] SORT_1 var_435_arg_0 = var_433; [L1409] SORT_1 var_435_arg_1 = var_434; [L1410] SORT_1 var_435 = var_435_arg_0 | var_435_arg_1; [L1411] SORT_1 var_436_arg_0 = input_105; [L1412] SORT_1 var_436_arg_1 = var_392; [L1413] SORT_1 var_436 = var_436_arg_0 & var_436_arg_1; [L1414] SORT_1 var_437_arg_0 = var_435; [L1415] SORT_1 var_437_arg_1 = var_436; [L1416] SORT_1 var_437 = var_437_arg_0 | var_437_arg_1; [L1417] SORT_1 var_438_arg_0 = input_117; [L1418] SORT_1 var_438_arg_1 = var_393; [L1419] SORT_1 var_438 = var_438_arg_0 & var_438_arg_1; [L1420] SORT_1 var_439_arg_0 = var_437; [L1421] SORT_1 var_439_arg_1 = var_438; [L1422] SORT_1 var_439 = var_439_arg_0 | var_439_arg_1; [L1423] SORT_1 var_440_arg_0 = input_104; [L1424] SORT_1 var_440_arg_1 = var_394; [L1425] SORT_1 var_440 = var_440_arg_0 & var_440_arg_1; [L1426] SORT_1 var_441_arg_0 = var_439; [L1427] SORT_1 var_441_arg_1 = var_440; [L1428] SORT_1 var_441 = var_441_arg_0 | var_441_arg_1; [L1429] SORT_1 var_442_arg_0 = input_116; [L1430] SORT_1 var_442_arg_1 = var_395; [L1431] SORT_1 var_442 = var_442_arg_0 & var_442_arg_1; [L1432] SORT_1 var_443_arg_0 = var_441; [L1433] SORT_1 var_443_arg_1 = var_442; [L1434] SORT_1 var_443 = var_443_arg_0 | var_443_arg_1; [L1435] SORT_1 var_444_arg_0 = input_103; [L1436] SORT_1 var_444_arg_1 = var_396; [L1437] SORT_1 var_444 = var_444_arg_0 & var_444_arg_1; [L1438] SORT_1 var_445_arg_0 = var_443; [L1439] SORT_1 var_445_arg_1 = var_444; [L1440] SORT_1 var_445 = var_445_arg_0 | var_445_arg_1; [L1441] SORT_1 var_446_arg_0 = input_115; [L1442] SORT_1 var_446_arg_1 = var_397; [L1443] SORT_1 var_446 = var_446_arg_0 & var_446_arg_1; [L1444] SORT_1 var_447_arg_0 = var_445; [L1445] SORT_1 var_447_arg_1 = var_446; [L1446] SORT_1 var_447 = var_447_arg_0 | var_447_arg_1; [L1447] SORT_1 var_448_arg_0 = input_145; [L1448] SORT_1 var_448_arg_1 = var_398; [L1449] SORT_1 var_448 = var_448_arg_0 & var_448_arg_1; [L1450] SORT_1 var_449_arg_0 = var_447; [L1451] SORT_1 var_449_arg_1 = var_448; [L1452] SORT_1 var_449 = var_449_arg_0 | var_449_arg_1; [L1453] SORT_1 var_450_arg_0 = var_400; [L1454] SORT_1 var_450_arg_1 = ~var_449; [L1455] var_450_arg_1 = var_450_arg_1 & mask_SORT_1 [L1456] SORT_1 var_450 = var_450_arg_0 & var_450_arg_1; [L1457] SORT_1 var_451_arg_0 = ~state_47; [L1458] var_451_arg_0 = var_451_arg_0 & mask_SORT_1 [L1459] SORT_1 var_451_arg_1 = state_49; [L1460] SORT_1 var_451 = var_451_arg_0 & var_451_arg_1; [L1461] SORT_1 var_452_arg_0 = ~state_47; [L1462] var_452_arg_0 = var_452_arg_0 & mask_SORT_1 [L1463] SORT_1 var_452_arg_1 = state_49; [L1464] SORT_1 var_452 = var_452_arg_0 | var_452_arg_1; [L1465] SORT_1 var_453_arg_0 = ~var_451; [L1466] var_453_arg_0 = var_453_arg_0 & mask_SORT_1 [L1467] SORT_1 var_453_arg_1 = var_452; [L1468] SORT_1 var_453 = var_453_arg_0 & var_453_arg_1; [L1469] SORT_1 var_454_arg_0 = var_450; [L1470] SORT_1 var_454_arg_1 = var_453; [L1471] SORT_1 var_454 = var_454_arg_0 & var_454_arg_1; [L1472] SORT_1 var_455_arg_0 = var_241; [L1473] SORT_1 var_455_arg_1 = var_243; [L1474] SORT_1 var_455 = var_455_arg_0 & var_455_arg_1; [L1475] SORT_1 var_456_arg_0 = var_241; [L1476] SORT_1 var_456_arg_1 = var_243; [L1477] SORT_1 var_456 = var_456_arg_0 | var_456_arg_1; [L1478] SORT_1 var_457_arg_0 = ~var_455; [L1479] var_457_arg_0 = var_457_arg_0 & mask_SORT_1 [L1480] SORT_1 var_457_arg_1 = var_456; [L1481] SORT_1 var_457 = var_457_arg_0 & var_457_arg_1; [L1482] SORT_1 var_458_arg_0 = var_454; [L1483] SORT_1 var_458_arg_1 = var_457; [L1484] SORT_1 var_458 = var_458_arg_0 & var_458_arg_1; [L1485] SORT_1 var_459_arg_0 = var_458; [L1486] SORT_1 var_459_arg_1 = ~state_51; [L1487] var_459_arg_1 = var_459_arg_1 & mask_SORT_1 [L1488] SORT_1 var_459 = var_459_arg_0 & var_459_arg_1; [L1489] SORT_1 next_460_arg_1 = ~var_459; [L1490] next_460_arg_1 = next_460_arg_1 & mask_SORT_1 [L1492] state_4 = next_58_arg_1 [L1493] state_6 = next_61_arg_1 [L1494] state_8 = next_78_arg_1 [L1495] state_10 = next_92_arg_1 [L1496] state_12 = next_97_arg_1 [L1497] state_14 = next_102_arg_1 [L1498] state_16 = next_114_arg_1 [L1499] state_18 = next_128_arg_1 [L1500] state_20 = next_136_arg_1 [L1501] state_22 = next_144_arg_1 [L1502] state_24 = next_149_arg_1 [L1503] state_26 = next_153_arg_1 [L1504] state_28 = next_157_arg_1 [L1505] state_30 = next_161_arg_1 [L1506] state_32 = next_167_arg_1 [L1507] state_34 = next_173_arg_1 [L1508] state_36 = next_179_arg_1 [L1509] state_38 = next_185_arg_1 [L1510] state_40 = next_199_arg_1 [L1511] state_42 = next_213_arg_1 [L1512] state_44 = next_239_arg_1 [L1513] state_47 = next_242_arg_1 [L1514] state_49 = next_244_arg_1 [L1515] state_51 = next_460_arg_1 VAL [bad_54_arg_0=0, init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_5_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_103=1, input_104=0, input_105=1, input_106=1, input_115=1, input_116=0, input_117=1, input_118=1, input_129=1, input_130=0, input_137=1, input_138=0, input_145=0, input_240=7, input_55=1, input_59=1, input_62=0, input_64=1, input_65=1, input_66=1, input_68=1, input_79=1, input_80=0, input_81=0, input_82=1, input_83=1, mask_SORT_1=1, mask_SORT_2=255, msb_SORT_1=1, msb_SORT_2=128, next_102_arg_1=1, next_114_arg_1=1, next_128_arg_1=0, next_136_arg_1=1, next_144_arg_1=1, next_149_arg_1=1, next_153_arg_1=1, next_157_arg_1=1, next_161_arg_1=1, next_167_arg_1=1, next_173_arg_1=1, next_179_arg_1=1, next_185_arg_1=1, next_199_arg_1=1, next_213_arg_1=1, next_239_arg_1=1, next_242_arg_1=0, next_244_arg_1=1, next_460_arg_1=0, next_58_arg_1=1, next_61_arg_1=1, next_78_arg_1=0, next_92_arg_1=0, next_97_arg_1=1, state_10=0, state_12=1, state_14=1, state_16=1, state_18=0, state_20=1, state_22=1, state_24=1, state_26=1, state_28=1, state_30=1, state_32=1, state_34=1, state_36=1, state_38=1, state_4=1, state_40=1, state_42=1, state_44=1, state_47=0, state_49=1, state_51=0, state_6=1, state_8=0, var_100=0, var_100_arg_0=1, var_100_arg_1=0, var_100_arg_2=0, var_101=1, var_101_arg_0=1, var_101_arg_1=0, var_107=255, var_107_arg_0=1, var_107_arg_1=255, var_107_arg_2=0, var_108=255, var_108_arg_0=1, var_108_arg_1=255, var_108_arg_2=255, var_109=255, var_109_arg_0=1, var_109_arg_1=255, var_109_arg_2=255, var_110=0, var_110_arg_0=1, var_110_arg_1=0, var_110_arg_2=255, var_111=1, var_111_arg_0=1, var_111_arg_1=1, var_111_arg_2=0, var_112=1, var_112_arg_0=0, var_112_arg_1=0, var_112_arg_2=1, var_113=1, var_113_arg_0=1, var_113_arg_1=1, var_113_arg_2=1, var_119=1, var_119_arg_0=1, var_119_arg_1=0, var_120=255, var_120_arg_0=1, var_120_arg_1=255, var_120_arg_2=1, var_121=255, var_121_arg_0=1, var_121_arg_1=255, var_121_arg_2=255, var_122=255, var_122_arg_0=0, var_122_arg_1=255, var_122_arg_2=255, var_123=0, var_123_arg_0=1, var_123_arg_1=0, var_123_arg_2=255, var_124=1, var_124_arg_0=1, var_124_arg_1=1, var_124_arg_2=0, var_125=1, var_125_arg_0=0, var_125_arg_1=0, var_125_arg_2=1, var_126=1, var_126_arg_0=1, var_126_arg_1=1, var_126_arg_2=1, var_127=0, var_127_arg_0=1, var_127_arg_1=1, var_131=255, var_131_arg_0=1, var_131_arg_1=255, var_131_arg_2=0, var_132=0, var_132_arg_0=1, var_132_arg_1=0, var_132_arg_2=255, var_133=0, var_133_arg_0=0, var_133_arg_1=1, var_133_arg_2=0, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_135=1, var_135_arg_0=1, var_135_arg_1=1, var_135_arg_2=0, var_139=255, var_139_arg_0=1, var_139_arg_1=255, var_139_arg_2=0, var_140=255, var_140_arg_0=0, var_140_arg_1=0, var_140_arg_2=255, var_141=1, var_141_arg_0=1, var_141_arg_1=1, var_141_arg_2=255, var_142=1, var_142_arg_0=0, var_142_arg_1=0, var_142_arg_2=1, var_143=1, var_143_arg_0=1, var_143_arg_1=1, var_143_arg_2=1, var_146=1, var_146_arg_0=1, var_146_arg_1=1, var_146_arg_2=0, var_147=1, var_147_arg_0=1, var_147_arg_1=1, var_147_arg_2=1, var_148=1, var_148_arg_0=0, var_148_arg_1=0, var_148_arg_2=1, var_150=1, var_150_arg_0=1, var_150_arg_1=1, var_150_arg_2=0, var_151=1, var_151_arg_0=1, var_151_arg_1=1, var_151_arg_2=1, var_152=1, var_152_arg_0=0, var_152_arg_1=0, var_152_arg_2=1, var_154=1, var_154_arg_0=1, var_154_arg_1=1, var_154_arg_2=0, var_155=1, var_155_arg_0=1, var_155_arg_1=1, var_155_arg_2=1, var_156=1, var_156_arg_0=0, var_156_arg_1=0, var_156_arg_2=1, var_158=1, var_158_arg_0=1, var_158_arg_1=1, var_158_arg_2=0, var_159=1, var_159_arg_0=0, var_159_arg_1=1, var_159_arg_2=1, var_160=1, var_160_arg_0=0, var_160_arg_1=0, var_160_arg_2=1, var_162=1, var_162_arg_0=1, var_162_arg_1=1, var_162_arg_2=0, var_163=1, var_163_arg_0=0, var_163_arg_1=1, var_163_arg_2=1, var_164=1, var_164_arg_0=0, var_164_arg_1=1, var_164_arg_2=1, var_165=1, var_165_arg_0=1, var_165_arg_1=1, var_165_arg_2=1, var_166=1, var_166_arg_0=0, var_166_arg_1=0, var_166_arg_2=1, var_168=0, var_168_arg_0=0, var_168_arg_1=1, var_168_arg_2=0, var_169=0, var_169_arg_0=0, var_169_arg_1=1, var_169_arg_2=0, var_170=1, var_170_arg_0=1, var_170_arg_1=1, var_170_arg_2=0, var_171=1, var_171_arg_0=1, var_171_arg_1=1, var_171_arg_2=1, var_172=1, var_172_arg_0=0, var_172_arg_1=0, var_172_arg_2=1, var_174=1, var_174_arg_0=1, var_174_arg_1=1, var_174_arg_2=0, var_175=1, var_175_arg_0=1, var_175_arg_1=1, var_175_arg_2=1, var_176=1, var_176_arg_0=1, var_176_arg_1=1, var_176_arg_2=1, var_177=1, var_177_arg_0=1, var_177_arg_1=1, var_177_arg_2=1, var_178=1, var_178_arg_0=0, var_178_arg_1=0, var_178_arg_2=1, var_180=0, var_180_arg_0=0, var_180_arg_1=1, var_180_arg_2=0, var_181=0, var_181_arg_0=0, var_181_arg_1=1, var_181_arg_2=0, var_182=1, var_182_arg_0=1, var_182_arg_1=1, var_182_arg_2=0, var_183=1, var_183_arg_0=1, var_183_arg_1=1, var_183_arg_2=1, var_184=1, var_184_arg_0=0, var_184_arg_1=0, var_184_arg_2=1, var_186=1, var_186_arg_0=1, var_186_arg_1=1, var_186_arg_2=0, var_187=1, var_187_arg_0=1, var_187_arg_1=1, var_187_arg_2=1, var_188=1, var_188_arg_0=1, var_188_arg_1=1, var_188_arg_2=1, var_189=1, var_189_arg_0=1, var_189_arg_1=1, var_189_arg_2=1, var_190=1, var_190_arg_0=1, var_190_arg_1=1, var_190_arg_2=1, var_191=1, var_191_arg_0=0, var_191_arg_1=1, var_191_arg_2=1, var_192=1, var_192_arg_0=0, var_192_arg_1=1, var_192_arg_2=1, var_193=1, var_193_arg_0=1, var_193_arg_1=1, var_193_arg_2=1, var_194=1, var_194_arg_0=1, var_194_arg_1=1, var_194_arg_2=1, var_195=1, var_195_arg_0=1, var_195_arg_1=1, var_195_arg_2=1, var_196=1, var_196_arg_0=0, var_196_arg_1=1, var_196_arg_2=1, var_197=1, var_197_arg_0=1, var_197_arg_1=1, var_197_arg_2=1, var_198=1, var_198_arg_0=0, var_198_arg_1=0, var_198_arg_2=1, var_200=1, var_200_arg_0=1, var_200_arg_1=1, var_200_arg_2=0, var_201=1, var_201_arg_0=1, var_201_arg_1=1, var_201_arg_2=1, var_202=1, var_202_arg_0=1, var_202_arg_1=1, var_202_arg_2=1, var_203=1, var_203_arg_0=0, var_203_arg_1=1, var_203_arg_2=1, var_204=1, var_204_arg_0=0, var_204_arg_1=1, var_204_arg_2=1, var_205=1, var_205_arg_0=1, var_205_arg_1=1, var_205_arg_2=1, var_206=1, var_206_arg_0=0, var_206_arg_1=1, var_206_arg_2=1, var_207=1, var_207_arg_0=1, var_207_arg_1=1, var_207_arg_2=1, var_208=1, var_208_arg_0=1, var_208_arg_1=1, var_208_arg_2=1, var_209=1, var_209_arg_0=1, var_209_arg_1=1, var_209_arg_2=1, var_210=1, var_210_arg_0=0, var_210_arg_1=1, var_210_arg_2=1, var_211=1, var_211_arg_0=1, var_211_arg_1=1, var_211_arg_2=1, var_212=1, var_212_arg_0=0, var_212_arg_1=0, var_212_arg_2=1, var_214=1, var_214_arg_0=1, var_214_arg_1=1, var_214_arg_2=0, var_215=1, var_215_arg_0=1, var_215_arg_1=1, var_215_arg_2=1, var_216=1, var_216_arg_0=1, var_216_arg_1=1, var_216_arg_2=1, var_217=1, var_217_arg_0=1, var_217_arg_1=1, var_217_arg_2=1, var_218=1, var_218_arg_0=1, var_218_arg_1=1, var_218_arg_2=1, var_219=1, var_219_arg_0=1, var_219_arg_1=1, var_219_arg_2=1, var_220=1, var_220_arg_0=1, var_220_arg_1=1, var_220_arg_2=1, var_221=1, var_221_arg_0=0, var_221_arg_1=1, var_221_arg_2=1, var_222=1, var_222_arg_0=1, var_222_arg_1=1, var_222_arg_2=1, var_223=1, var_223_arg_0=0, var_223_arg_1=1, var_223_arg_2=1, var_224=1, var_224_arg_0=0, var_224_arg_1=1, var_224_arg_2=1, var_225=1, var_225_arg_0=1, var_225_arg_1=1, var_225_arg_2=1, var_226=1, var_226_arg_0=0, var_226_arg_1=1, var_226_arg_2=1, var_227=1, var_227_arg_0=0, var_227_arg_1=1, var_227_arg_2=1, var_228=1, var_228_arg_0=1, var_228_arg_1=1, var_228_arg_2=1, var_229=1, var_229_arg_0=1, var_229_arg_1=1, var_229_arg_2=1, var_230=1, var_230_arg_0=1, var_230_arg_1=1, var_230_arg_2=1, var_231=1, var_231_arg_0=1, var_231_arg_1=1, var_231_arg_2=1, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=1, var_233_arg_0=1, var_233_arg_1=1, var_233_arg_2=1, var_234=1, var_234_arg_0=0, var_234_arg_1=1, var_234_arg_2=1, var_235=1, var_235_arg_0=0, var_235_arg_1=1, var_235_arg_2=1, var_236=1, var_236_arg_0=1, var_236_arg_1=1, var_236_arg_2=1, var_237=1, var_237_arg_0=1, var_237_arg_1=1, var_237_arg_2=1, var_238=1, var_238_arg_0=0, var_238_arg_1=0, var_238_arg_2=1, var_241=0, var_241_arg_0=0, var_241_arg_1=1, var_243=1, var_243_arg_0=0, var_243_arg_1=7, var_245=1, var_245_arg_0=1, var_245_arg_1=1, var_246=0, var_246_arg_0=0, var_246_arg_1=1, var_247=0, var_247_arg_0=1, var_247_arg_1=0, var_248=0, var_248_arg_0=0, var_248_arg_1=1, var_249=0, var_249_arg_0=0, var_249_arg_1=0, var_250=0, var_250_arg_0=1, var_250_arg_1=0, var_251=0, var_251_arg_0=0, var_251_arg_1=0, var_252=0, var_252_arg_0=0, var_252_arg_1=1, var_253=0, var_253_arg_0=0, var_253_arg_1=0, var_254=0, var_254_arg_0=0, var_254_arg_1=0, var_255=1, var_255_arg_0=1, var_255_arg_1=0, var_256=1, var_256_arg_0=0, var_256_arg_1=0, var_257=1, var_257_arg_0=0, var_257_arg_1=0, var_258=1, var_258_arg_0=1, var_258_arg_1=1, var_259=1, var_259_arg_0=0, var_259_arg_1=0, var_260=1, var_260_arg_0=1, var_260_arg_1=1, var_261=0, var_261_arg_0=0, var_261_arg_1=1, var_262=1, var_262_arg_0=1, var_262_arg_1=0, var_263=1, var_263_arg_0=1, var_263_arg_1=1, var_264=1, var_264_arg_0=0, var_264_arg_1=0, var_265=1, var_265_arg_0=1, var_265_arg_1=1, var_266=1, var_266_arg_0=0, var_266_arg_1=0, var_267=1, var_267_arg_0=1, var_267_arg_1=1, var_268=0, var_268_arg_0=0, var_268_arg_1=1, var_269=1, var_269_arg_0=1, var_269_arg_1=0, var_270=1, var_270_arg_0=1, var_270_arg_1=1, var_271=1, var_271_arg_0=0, var_271_arg_1=0, var_272=1, var_272_arg_0=1, var_272_arg_1=1, var_273=0, var_273_arg_0=0, var_273_arg_1=1, var_274=1, var_274_arg_0=1, var_274_arg_1=0, var_275=1, var_275_arg_0=1, var_275_arg_1=1, var_276=1, var_276_arg_0=1, var_276_arg_1=1, var_277=1, var_277_arg_0=1, var_277_arg_1=1, var_278=1, var_278_arg_0=1, var_278_arg_1=1, var_279=1, var_279_arg_0=1, var_279_arg_1=1, var_280=1, var_280_arg_0=0, var_280_arg_1=0, var_281=1, var_281_arg_0=1, var_281_arg_1=1, var_282=0, var_282_arg_0=0, var_282_arg_1=1, var_283=0, var_283_arg_0=0, var_283_arg_1=0, var_284=0, var_284_arg_0=1, var_284_arg_1=0, var_285=1, var_285_arg_0=1, var_285_arg_1=1, var_286=0, var_286_arg_0=0, var_286_arg_1=1, var_287=0, var_287_arg_0=0, var_287_arg_1=0, var_288=0, var_288_arg_0=0, var_288_arg_1=0, var_289=1, var_289_arg_0=0, var_289_arg_1=0, var_290=1, var_290_arg_0=1, var_290_arg_1=1, var_291=1, var_291_arg_0=1, var_291_arg_1=1, var_292=1, var_292_arg_0=1, var_292_arg_1=1, var_293=0, var_293_arg_0=0, var_293_arg_1=1, var_294=1, var_294_arg_0=1, var_294_arg_1=1, var_295=0, var_295_arg_0=0, var_295_arg_1=1, var_296=0, var_296_arg_0=0, var_296_arg_1=0, var_297=0, var_297_arg_0=0, var_297_arg_1=0, var_298=1, var_298_arg_0=0, var_298_arg_1=0, var_299=1, var_299_arg_0=1, var_299_arg_1=1, var_3=0, var_300=1, var_300_arg_0=1, var_300_arg_1=1, var_301=1, var_301_arg_0=0, var_301_arg_1=0, var_302=1, var_302_arg_0=1, var_302_arg_1=1, var_303=0, var_303_arg_0=0, var_303_arg_1=1, var_304=0, var_304_arg_0=0, var_304_arg_1=0, var_305=0, var_305_arg_0=0, var_305_arg_1=0, var_306=1, var_306_arg_0=1, var_306_arg_1=1, var_307=1, var_307_arg_0=1, var_307_arg_1=1, var_308=1, var_308_arg_0=0, var_308_arg_1=0, var_309=1, var_309_arg_0=1, var_309_arg_1=1, var_310=0, var_310_arg_0=0, var_310_arg_1=1, var_311=1, var_311_arg_0=1, var_311_arg_1=0, var_312=0, var_312_arg_0=0, var_312_arg_1=1, var_313=0, var_313_arg_0=1, var_313_arg_1=0, var_314=0, var_314_arg_0=1, var_314_arg_1=0, var_315=0, var_315_arg_0=1, var_315_arg_1=0, var_316=0, var_316_arg_0=0, var_316_arg_1=0, var_317=0, var_317_arg_0=0, var_317_arg_1=0, var_318=0, var_318_arg_0=0, var_318_arg_1=1, var_319=0, var_319_arg_0=0, var_319_arg_1=0, var_320=1, var_320_arg_0=1, var_320_arg_1=0, var_321=0, var_321_arg_0=0, var_321_arg_1=1, var_322=1, var_322_arg_0=0, var_322_arg_1=0, var_323=1, var_323_arg_0=1, var_323_arg_1=1, var_324=1, var_324_arg_0=1, var_324_arg_1=1, var_325=0, var_325_arg_0=0, var_325_arg_1=1, var_326=0, var_326_arg_0=0, var_326_arg_1=0, var_327=0, var_327_arg_0=0, var_327_arg_1=0, var_328=0, var_328_arg_0=0, var_328_arg_1=0, var_329=1, var_329_arg_0=1, var_329_arg_1=1, var_330=1, var_330_arg_0=1, var_330_arg_1=1, var_331=0, var_331_arg_0=0, var_331_arg_1=1, var_332=0, var_332_arg_0=0, var_332_arg_1=0, var_333=0, var_333_arg_0=0, var_333_arg_1=0, var_334=0, var_334_arg_0=0, var_334_arg_1=0, var_335=0, var_335_arg_0=0, var_335_arg_1=1, var_336=0, var_336_arg_0=1, var_336_arg_1=0, var_337=1, var_337_arg_0=1, var_337_arg_1=0, var_338=0, var_338_arg_0=0, var_338_arg_1=1, var_339=0, var_339_arg_0=0, var_339_arg_1=1, var_340=0, var_340_arg_0=0, var_340_arg_1=0, var_341=0, var_341_arg_0=0, var_341_arg_1=0, var_342=0, var_342_arg_0=0, var_342_arg_1=0, var_343=1, var_343_arg_0=0, var_343_arg_1=0, var_344=1, var_344_arg_0=1, var_344_arg_1=1, var_345=1, var_345_arg_0=1, var_345_arg_1=1, var_346=0, var_346_arg_0=0, var_346_arg_1=1, var_347=0, var_347_arg_0=0, var_347_arg_1=0, var_348=0, var_348_arg_0=0, var_348_arg_1=0, var_349=1, var_349_arg_0=1, var_349_arg_1=1, var_350=1, var_350_arg_0=1, var_350_arg_1=1, var_351=0, var_351_arg_0=0, var_351_arg_1=1, var_352=1, var_352_arg_0=1, var_352_arg_1=0, var_353=0, var_353_arg_0=0, var_353_arg_1=1, var_354=1, var_354_arg_0=0, var_354_arg_1=1, var_355=0, var_355_arg_0=0, var_355_arg_1=1, var_356=0, var_356_arg_0=0, var_356_arg_1=0, var_357=0, var_357_arg_0=0, var_357_arg_1=0, var_358=1, var_358_arg_0=0, var_358_arg_1=0, var_359=1, var_359_arg_0=1, var_359_arg_1=1, var_360=0, var_360_arg_0=0, var_360_arg_1=1, var_361=0, var_361_arg_0=0, var_361_arg_1=0, var_362=0, var_362_arg_0=0, var_362_arg_1=0, var_363=1, var_363_arg_0=1, var_363_arg_1=1, var_364=0, var_364_arg_0=0, var_364_arg_1=1, var_365=0, var_365_arg_0=0, var_365_arg_1=0, var_366=0, var_366_arg_0=0, var_366_arg_1=0, var_367=1, var_367_arg_0=0, var_367_arg_1=1, var_368=0, var_368_arg_0=0, var_368_arg_1=1, var_369=0, var_369_arg_0=0, var_369_arg_1=0, var_370=0, var_370_arg_0=0, var_370_arg_1=0, var_371=0, var_371_arg_0=1, var_371_arg_1=0, var_372=0, var_372_arg_0=1, var_372_arg_1=0, var_373=1, var_373_arg_0=1, var_373_arg_1=0, var_374=0, var_374_arg_0=0, var_374_arg_1=1, var_375=3, var_375_arg_0=7, var_375_arg_1=1, var_376=23, var_376_arg_0=1, var_376_arg_1=3, var_377=254, var_377_arg_0=1, var_377_arg_1=23, var_378=1, var_378_arg_0=1, var_378_arg_1=254, var_379=1, var_379_arg_0=1, var_379_arg_1=1, var_380=1, var_380_arg_0=1, var_380_arg_1=1, var_381=1, var_381_arg_0=1, var_381_arg_1=1, var_382=1, var_382_arg_0=0, var_382_arg_1=1, var_383=1, var_383_arg_0=1, var_383_arg_1=1, var_384=1, var_384_arg_0=0, var_384_arg_1=1, var_385=1, var_385_arg_0=0, var_385_arg_1=1, var_386=1, var_386_arg_0=1, var_386_arg_1=1, var_387=1, var_387_arg_0=0, var_387_arg_1=1, var_388=1, var_388_arg_0=0, var_388_arg_1=1, var_389=1, var_389_arg_0=1, var_389_arg_1=1, var_390=1, var_390_arg_0=1, var_390_arg_1=1, var_391=1, var_391_arg_0=1, var_391_arg_1=1, var_392=1, var_392_arg_0=1, var_392_arg_1=1, var_393=1, var_393_arg_0=1, var_393_arg_1=1, var_394=1, var_394_arg_0=1, var_394_arg_1=1, var_395=1, var_395_arg_0=0, var_395_arg_1=1, var_396=1, var_396_arg_0=0, var_396_arg_1=1, var_397=1, var_397_arg_0=1, var_397_arg_1=1, var_398=1, var_398_arg_0=1, var_398_arg_1=1, var_399=1, var_399_arg_0=0, var_399_arg_1=1, var_400=0, var_400_arg_0=0, var_400_arg_1=1, var_401=1, var_401_arg_0=7, var_401_arg_1=1, var_402=1, var_402_arg_0=1, var_402_arg_1=3, var_403=1, var_403_arg_0=1, var_403_arg_1=1, var_404=1, var_404_arg_0=1, var_404_arg_1=23, var_405=1, var_405_arg_0=1, var_405_arg_1=1, var_406=0, var_406_arg_0=1, var_406_arg_1=254, var_407=1, var_407_arg_0=1, var_407_arg_1=0, var_408=1, var_408_arg_0=1, var_408_arg_1=1, var_409=1, var_409_arg_0=1, var_409_arg_1=1, var_410=1, var_410_arg_0=1, var_410_arg_1=1, var_411=1, var_411_arg_0=1, var_411_arg_1=1, var_412=1, var_412_arg_0=1, var_412_arg_1=1, var_413=1, var_413_arg_0=1, var_413_arg_1=1, var_414=0, var_414_arg_0=0, var_414_arg_1=1, var_415=1, var_415_arg_0=1, var_415_arg_1=0, var_416=1, var_416_arg_0=1, var_416_arg_1=1, var_417=1, var_417_arg_0=1, var_417_arg_1=1, var_418=0, var_418_arg_0=0, var_418_arg_1=1, var_419=1, var_419_arg_0=1, var_419_arg_1=0, var_420=0, var_420_arg_0=0, var_420_arg_1=1, var_421=1, var_421_arg_0=1, var_421_arg_1=0, var_422=1, var_422_arg_0=1, var_422_arg_1=1, var_423=1, var_423_arg_0=1, var_423_arg_1=1, var_424=0, var_424_arg_0=0, var_424_arg_1=1, var_425=1, var_425_arg_0=1, var_425_arg_1=0, var_426=0, var_426_arg_0=0, var_426_arg_1=1, var_427=1, var_427_arg_0=1, var_427_arg_1=0, var_428=1, var_428_arg_0=1, var_428_arg_1=1, var_429=1, var_429_arg_0=1, var_429_arg_1=1, var_430=1, var_430_arg_0=1, var_430_arg_1=1, var_431=1, var_431_arg_0=1, var_431_arg_1=1, var_432=1, var_432_arg_0=1, var_432_arg_1=1, var_433=1, var_433_arg_0=1, var_433_arg_1=1, var_434=1, var_434_arg_0=1, var_434_arg_1=1, var_435=1, var_435_arg_0=1, var_435_arg_1=1, var_436=1, var_436_arg_0=1, var_436_arg_1=1, var_437=1, var_437_arg_0=1, var_437_arg_1=1, var_438=1, var_438_arg_0=1, var_438_arg_1=1, var_439=1, var_439_arg_0=1, var_439_arg_1=1, var_440=0, var_440_arg_0=0, var_440_arg_1=1, var_441=1, var_441_arg_0=1, var_441_arg_1=0, var_442=0, var_442_arg_0=0, var_442_arg_1=1, var_443=1, var_443_arg_0=1, var_443_arg_1=0, var_444=1, var_444_arg_0=1, var_444_arg_1=1, var_445=1, var_445_arg_0=1, var_445_arg_1=1, var_446=1, var_446_arg_0=1, var_446_arg_1=1, var_447=1, var_447_arg_0=1, var_447_arg_1=1, var_448=0, var_448_arg_0=0, var_448_arg_1=1, var_449=1, var_449_arg_0=1, var_449_arg_1=0, var_450=0, var_450_arg_0=0, var_450_arg_1=0, var_451=0, var_451_arg_0=0, var_451_arg_1=0, var_452=1, var_452_arg_0=1, var_452_arg_1=0, var_453=1, var_453_arg_0=1, var_453_arg_1=1, var_454=0, var_454_arg_0=0, var_454_arg_1=1, var_455=0, var_455_arg_0=0, var_455_arg_1=1, var_456=1, var_456_arg_0=0, var_456_arg_1=1, var_457=0, var_457_arg_0=0, var_457_arg_1=1, var_458=0, var_458_arg_0=0, var_458_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=0, var_46=0, var_53=0, var_53_arg_0=0, var_53_arg_1=1, var_56=1, var_57=1, var_57_arg_0=1, var_57_arg_1=1, var_57_arg_2=0, var_60=1, var_60_arg_0=1, var_60_arg_1=1, var_60_arg_2=0, var_63=2, var_67=255, var_69=0, var_70=1, var_70_arg_0=1, var_70_arg_1=0, var_71=0, var_71_arg_0=1, var_71_arg_1=0, var_71_arg_2=1, var_72=255, var_72_arg_0=1, var_72_arg_1=255, var_72_arg_2=0, var_73=2, var_73_arg_0=1, var_73_arg_1=2, var_73_arg_2=255, var_74=1, var_74_arg_0=1, var_74_arg_1=1, var_74_arg_2=2, var_75=2, var_75_arg_0=1, var_75_arg_1=2, var_75_arg_2=1, var_76=2, var_76_arg_0=0, var_76_arg_1=2, var_76_arg_2=2, var_77=0, var_77_arg_0=1, var_77_arg_1=2, var_84=1, var_84_arg_0=1, var_84_arg_1=0, var_85=0, var_85_arg_0=1, var_85_arg_1=0, var_85_arg_2=1, var_86=255, var_86_arg_0=1, var_86_arg_1=255, var_86_arg_2=0, var_87=2, var_87_arg_0=1, var_87_arg_1=2, var_87_arg_2=255, var_88=2, var_88_arg_0=0, var_88_arg_1=1, var_88_arg_2=2, var_89=2, var_89_arg_0=0, var_89_arg_1=2, var_89_arg_2=2, var_90=2, var_90_arg_0=1, var_90_arg_1=2, var_90_arg_2=2, var_91=0, var_91_arg_0=1, var_91_arg_1=2, var_93=1, var_93_arg_0=1, var_93_arg_1=0, var_94=0, var_94_arg_0=1, var_94_arg_1=0, var_94_arg_2=1, var_95=0, var_95_arg_0=1, var_95_arg_1=0, var_95_arg_2=0, var_96=1, var_96_arg_0=1, var_96_arg_1=0, var_98=1, var_98_arg_0=1, var_98_arg_1=0, var_99=0, var_99_arg_0=1, var_99_arg_1=0, var_99_arg_2=1] [L140] input_55 = __VERIFIER_nondet_uchar() [L141] input_55 = input_55 & mask_SORT_1 [L142] input_59 = __VERIFIER_nondet_uchar() [L143] input_59 = input_59 & mask_SORT_1 [L144] input_62 = __VERIFIER_nondet_uchar() [L145] input_62 = input_62 & mask_SORT_1 [L146] input_64 = __VERIFIER_nondet_uchar() [L147] input_64 = input_64 & mask_SORT_1 [L148] input_65 = __VERIFIER_nondet_uchar() [L149] input_65 = input_65 & mask_SORT_1 [L150] input_66 = __VERIFIER_nondet_uchar() [L151] input_66 = input_66 & mask_SORT_1 [L152] input_68 = __VERIFIER_nondet_uchar() [L153] input_68 = input_68 & mask_SORT_1 [L154] input_79 = __VERIFIER_nondet_uchar() [L155] input_79 = input_79 & mask_SORT_1 [L156] input_80 = __VERIFIER_nondet_uchar() [L157] input_80 = input_80 & mask_SORT_1 [L158] input_81 = __VERIFIER_nondet_uchar() [L159] input_81 = input_81 & mask_SORT_1 [L160] input_82 = __VERIFIER_nondet_uchar() [L161] input_82 = input_82 & mask_SORT_1 [L162] input_83 = __VERIFIER_nondet_uchar() [L163] input_83 = input_83 & mask_SORT_1 [L164] input_103 = __VERIFIER_nondet_uchar() [L165] input_103 = input_103 & mask_SORT_1 [L166] input_104 = __VERIFIER_nondet_uchar() [L167] input_104 = input_104 & mask_SORT_1 [L168] input_105 = __VERIFIER_nondet_uchar() [L169] input_105 = input_105 & mask_SORT_1 [L170] input_106 = __VERIFIER_nondet_uchar() [L171] input_106 = input_106 & mask_SORT_1 [L172] input_115 = __VERIFIER_nondet_uchar() [L173] input_115 = input_115 & mask_SORT_1 [L174] input_116 = __VERIFIER_nondet_uchar() [L175] input_116 = input_116 & mask_SORT_1 [L176] input_117 = __VERIFIER_nondet_uchar() [L177] input_117 = input_117 & mask_SORT_1 [L178] input_118 = __VERIFIER_nondet_uchar() [L179] input_118 = input_118 & mask_SORT_1 [L180] input_129 = __VERIFIER_nondet_uchar() [L181] input_129 = input_129 & mask_SORT_1 [L182] input_130 = __VERIFIER_nondet_uchar() [L183] input_130 = input_130 & mask_SORT_1 [L184] input_137 = __VERIFIER_nondet_uchar() [L185] input_137 = input_137 & mask_SORT_1 [L186] input_138 = __VERIFIER_nondet_uchar() [L187] input_138 = input_138 & mask_SORT_1 [L188] input_145 = __VERIFIER_nondet_uchar() [L189] input_145 = input_145 & mask_SORT_1 [L190] input_240 = __VERIFIER_nondet_uchar() [L193] SORT_1 var_53_arg_0 = state_49; [L194] SORT_1 var_53_arg_1 = ~state_51; [L195] var_53_arg_1 = var_53_arg_1 & mask_SORT_1 [L196] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L197] var_53 = var_53 & mask_SORT_1 [L198] SORT_1 bad_54_arg_0 = var_53; [L199] CALL __VERIFIER_assert(!(bad_54_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 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 264.3s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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, 157.7s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 03:38:29,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/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_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/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_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/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_98a315b0-2c87-4d32-a3f3-6da2e86e1394/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 91d689c5a5bae1ea1bc2d6a319e14aa1da809e3bbd33a225566bffc3a9c50218 --- 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 03:38:31,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:38:31,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:38:31,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:38:31,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:38:31,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:38:31,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:38:31,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:38:31,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:38:31,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:38:31,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:38:31,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:38:31,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:38:31,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:38:31,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:38:31,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:38:31,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:38:31,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:38:31,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:38:31,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:38:31,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:38:31,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:38:31,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:38:31,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:38:31,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:38:31,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:38:31,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:38:31,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:38:31,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:38:31,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:38:31,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:38:31,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:38:31,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:38:31,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:38:31,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:38:31,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:38:31,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:38:31,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:38:31,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:38:31,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:38:31,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:38:31,905 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 03:38:31,932 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:38:31,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:38:31,935 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:38:31,935 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:38:31,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:38:31,936 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:38:31,937 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:38:31,937 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:38:31,937 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:38:31,937 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:38:31,938 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:38:31,939 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:38:31,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:38:31,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:38:31,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:38:31,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:38:31,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:38:31,941 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 03:38:31,941 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 03:38:31,942 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 03:38:31,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:38:31,942 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:38:31,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:38:31,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:38:31,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 03:38:31,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:38:31,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:38:31,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:38:31,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:38:31,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:38:31,944 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 03:38:31,944 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 03:38:31,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:38:31,945 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:38:31,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 03:38:31,946 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_98a315b0-2c87-4d32-a3f3-6da2e86e1394/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91d689c5a5bae1ea1bc2d6a319e14aa1da809e3bbd33a225566bffc3a9c50218 [2022-11-03 03:38:32,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:38:32,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:38:32,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:38:32,350 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:38:32,350 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:38:32,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c [2022-11-03 03:38:32,429 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/data/27a9b0662/066420a9084e4d68a11a76086bcea6be/FLAG8a79f1f10 [2022-11-03 03:38:33,108 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:38:33,109 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c [2022-11-03 03:38:33,122 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/data/27a9b0662/066420a9084e4d68a11a76086bcea6be/FLAG8a79f1f10 [2022-11-03 03:38:33,358 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/data/27a9b0662/066420a9084e4d68a11a76086bcea6be [2022-11-03 03:38:33,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:38:33,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:38:33,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:38:33,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:38:33,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:38:33,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:38:33" (1/1) ... [2022-11-03 03:38:33,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14955f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:33, skipping insertion in model container [2022-11-03 03:38:33,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:38:33" (1/1) ... [2022-11-03 03:38:33,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:38:33,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:38:33,673 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_98a315b0-2c87-4d32-a3f3-6da2e86e1394/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c[1014,1027] [2022-11-03 03:38:34,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:38:34,119 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:38:34,150 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_98a315b0-2c87-4d32-a3f3-6da2e86e1394/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-func-interl.c[1014,1027] [2022-11-03 03:38:34,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:38:34,288 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:38:34,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34 WrapperNode [2022-11-03 03:38:34,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:38:34,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:38:34,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:38:34,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:38:34,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,460 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2043 [2022-11-03 03:38:34,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:38:34,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:38:34,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:38:34,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:38:34,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,562 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:38:34,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:38:34,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:38:34,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:38:34,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (1/1) ... [2022-11-03 03:38:34,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:38:34,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:38:34,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:38:34,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:38:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:38:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:38:35,211 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:38:35,215 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:38:37,162 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:38:37,172 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:38:37,172 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:38:37,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:38:37 BoogieIcfgContainer [2022-11-03 03:38:37,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:38:37,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:38:37,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:38:37,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:38:37,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:38:33" (1/3) ... [2022-11-03 03:38:37,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759f5f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:38:37, skipping insertion in model container [2022-11-03 03:38:37,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:34" (2/3) ... [2022-11-03 03:38:37,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759f5f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:38:37, skipping insertion in model container [2022-11-03 03:38:37,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:38:37" (3/3) ... [2022-11-03 03:38:37,183 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.schedule_world.1.prop1-func-interl.c [2022-11-03 03:38:37,201 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:38:37,202 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:38:37,262 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:38:37,268 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;@79d1c3e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:38:37,268 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:38:37,273 INFO L276 IsEmpty]: Start isEmpty. Operand has 261 states, 259 states have (on average 1.498069498069498) internal successors, (388), 260 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:37,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 03:38:37,279 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:37,280 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 03:38:37,280 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:37,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:37,286 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-03 03:38:37,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:37,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791830158] [2022-11-03 03:38:37,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:37,299 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:37,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:37,305 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:37,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 03:38:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:37,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 03:38:37,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:37,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:37,795 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:37,796 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:37,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791830158] [2022-11-03 03:38:37,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1791830158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:37,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:37,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:38:37,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071476311] [2022-11-03 03:38:37,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:37,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:38:37,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:37,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:38:37,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:38:37,847 INFO L87 Difference]: Start difference. First operand has 261 states, 259 states have (on average 1.498069498069498) internal successors, (388), 260 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:38,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:38,097 INFO L93 Difference]: Finished difference Result 770 states and 1155 transitions. [2022-11-03 03:38:38,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:38:38,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-03 03:38:38,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:38,120 INFO L225 Difference]: With dead ends: 770 [2022-11-03 03:38:38,124 INFO L226 Difference]: Without dead ends: 511 [2022-11-03 03:38:38,131 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 03:38:38,135 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 753 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 1138 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:38,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [753 Valid, 1138 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:38:38,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2022-11-03 03:38:38,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 259. [2022-11-03 03:38:38,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 258 states have (on average 1.4883720930232558) internal successors, (384), 258 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:38,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 384 transitions. [2022-11-03 03:38:38,197 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 384 transitions. Word has length 5 [2022-11-03 03:38:38,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:38,198 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 384 transitions. [2022-11-03 03:38:38,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:38,198 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 384 transitions. [2022-11-03 03:38:38,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:38:38,205 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:38,205 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:38:38,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:38,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:38,417 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:38,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:38,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1233210961, now seen corresponding path program 1 times [2022-11-03 03:38:38,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:38,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [451324108] [2022-11-03 03:38:38,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:38,422 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:38,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:38,423 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:38,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 03:38:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:39,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:38:39,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:39,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:39,588 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:39,588 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:39,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [451324108] [2022-11-03 03:38:39,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [451324108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:39,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:39,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:38:39,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281383730] [2022-11-03 03:38:39,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:39,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:38:39,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:39,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:38:39,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:38:39,592 INFO L87 Difference]: Start difference. First operand 259 states and 384 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:39,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:39,823 INFO L93 Difference]: Finished difference Result 1020 states and 1519 transitions. [2022-11-03 03:38:39,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:38:39,824 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:38:39,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:39,828 INFO L225 Difference]: With dead ends: 1020 [2022-11-03 03:38:39,828 INFO L226 Difference]: Without dead ends: 765 [2022-11-03 03:38:39,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:38:39,832 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 1455 mSDsluCounter, 1899 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1455 SdHoareTripleChecker+Valid, 2298 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 56 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:39,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1455 Valid, 2298 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 56 Unchecked, 0.2s Time] [2022-11-03 03:38:39,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2022-11-03 03:38:39,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 279. [2022-11-03 03:38:39,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 278 states have (on average 1.485611510791367) internal successors, (413), 278 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:39,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 413 transitions. [2022-11-03 03:38:39,864 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 413 transitions. Word has length 258 [2022-11-03 03:38:39,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:39,866 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 413 transitions. [2022-11-03 03:38:39,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:39,868 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 413 transitions. [2022-11-03 03:38:39,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:38:39,875 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:39,876 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:38:39,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:40,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:40,095 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:40,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:40,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1945788209, now seen corresponding path program 1 times [2022-11-03 03:38:40,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:40,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [639323336] [2022-11-03 03:38:40,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:40,100 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:40,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:40,101 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:40,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 03:38:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:40,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:38:41,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:41,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:41,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:41,206 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:41,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [639323336] [2022-11-03 03:38:41,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [639323336] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:41,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:41,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:38:41,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589527338] [2022-11-03 03:38:41,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:41,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:38:41,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:41,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:38:41,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:38:41,210 INFO L87 Difference]: Start difference. First operand 279 states and 413 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:41,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:41,377 INFO L93 Difference]: Finished difference Result 802 states and 1192 transitions. [2022-11-03 03:38:41,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:41,378 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:38:41,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:41,380 INFO L225 Difference]: With dead ends: 802 [2022-11-03 03:38:41,380 INFO L226 Difference]: Without dead ends: 547 [2022-11-03 03:38:41,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:38:41,382 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 437 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 2048 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 29 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:41,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 2048 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 29 Unchecked, 0.1s Time] [2022-11-03 03:38:41,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2022-11-03 03:38:41,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 293. [2022-11-03 03:38:41,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 292 states have (on average 1.4828767123287672) internal successors, (433), 292 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:41,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 433 transitions. [2022-11-03 03:38:41,402 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 433 transitions. Word has length 258 [2022-11-03 03:38:41,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:41,403 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 433 transitions. [2022-11-03 03:38:41,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:41,403 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 433 transitions. [2022-11-03 03:38:41,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:38:41,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:41,413 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:38:41,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:41,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:41,637 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:41,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:41,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1572931533, now seen corresponding path program 1 times [2022-11-03 03:38:41,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:41,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1987307810] [2022-11-03 03:38:41,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:41,640 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:41,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:41,646 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:41,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 03:38:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:42,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:38:42,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:42,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:42,824 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:42,824 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:42,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1987307810] [2022-11-03 03:38:42,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1987307810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:42,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:42,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:38:42,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522562557] [2022-11-03 03:38:42,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:42,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:38:42,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:42,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:38:42,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:38:42,831 INFO L87 Difference]: Start difference. First operand 293 states and 433 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:42,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:42,974 INFO L93 Difference]: Finished difference Result 592 states and 878 transitions. [2022-11-03 03:38:42,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:42,976 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:38:42,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:42,977 INFO L225 Difference]: With dead ends: 592 [2022-11-03 03:38:42,977 INFO L226 Difference]: Without dead ends: 337 [2022-11-03 03:38:42,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:38:42,979 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 66 mSDsluCounter, 1519 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 1895 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 23 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:42,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 1895 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 23 Unchecked, 0.1s Time] [2022-11-03 03:38:42,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2022-11-03 03:38:42,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2022-11-03 03:38:42,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 336 states have (on average 1.4791666666666667) internal successors, (497), 336 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 497 transitions. [2022-11-03 03:38:42,994 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 497 transitions. Word has length 258 [2022-11-03 03:38:42,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:42,995 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 497 transitions. [2022-11-03 03:38:42,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:42,996 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 497 transitions. [2022-11-03 03:38:42,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:38:42,999 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:42,999 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:38:43,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:43,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:43,224 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:43,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:43,226 INFO L85 PathProgramCache]: Analyzing trace with hash 285476529, now seen corresponding path program 1 times [2022-11-03 03:38:43,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:43,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2142124034] [2022-11-03 03:38:43,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:43,229 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:43,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:43,230 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:43,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 03:38:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:44,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:38:44,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:44,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:44,328 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:44,328 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:44,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2142124034] [2022-11-03 03:38:44,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2142124034] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:44,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:44,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:38:44,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110404943] [2022-11-03 03:38:44,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:44,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:38:44,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:44,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:38:44,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:38:44,342 INFO L87 Difference]: Start difference. First operand 337 states and 497 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:44,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:44,604 INFO L93 Difference]: Finished difference Result 1066 states and 1583 transitions. [2022-11-03 03:38:44,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:38:44,605 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:38:44,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:44,608 INFO L225 Difference]: With dead ends: 1066 [2022-11-03 03:38:44,608 INFO L226 Difference]: Without dead ends: 811 [2022-11-03 03:38:44,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:38:44,610 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 1048 mSDsluCounter, 2718 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 3165 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 33 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:44,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 3165 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 33 Unchecked, 0.2s Time] [2022-11-03 03:38:44,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2022-11-03 03:38:44,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 357. [2022-11-03 03:38:44,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 356 states have (on average 1.4747191011235956) internal successors, (525), 356 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:44,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 525 transitions. [2022-11-03 03:38:44,623 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 525 transitions. Word has length 258 [2022-11-03 03:38:44,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:44,625 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 525 transitions. [2022-11-03 03:38:44,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:44,626 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 525 transitions. [2022-11-03 03:38:44,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:38:44,629 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:44,630 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:38:44,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:44,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:44,846 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:44,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:44,847 INFO L85 PathProgramCache]: Analyzing trace with hash -989447117, now seen corresponding path program 1 times [2022-11-03 03:38:44,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:44,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [954400835] [2022-11-03 03:38:44,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:44,850 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:44,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:44,851 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:44,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 03:38:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:45,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:38:45,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:46,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:46,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:46,106 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:46,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [954400835] [2022-11-03 03:38:46,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [954400835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:46,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:46,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:38:46,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414497063] [2022-11-03 03:38:46,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:46,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:38:46,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:46,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:38:46,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:38:46,109 INFO L87 Difference]: Start difference. First operand 357 states and 525 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:46,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:46,232 INFO L93 Difference]: Finished difference Result 732 states and 1079 transitions. [2022-11-03 03:38:46,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:46,233 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:38:46,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:46,235 INFO L225 Difference]: With dead ends: 732 [2022-11-03 03:38:46,236 INFO L226 Difference]: Without dead ends: 477 [2022-11-03 03:38:46,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:38:46,237 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 104 mSDsluCounter, 1588 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1964 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 16 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:46,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 1964 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 16 Unchecked, 0.1s Time] [2022-11-03 03:38:46,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2022-11-03 03:38:46,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2022-11-03 03:38:46,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 476 states have (on average 1.4663865546218486) internal successors, (698), 476 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:46,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 698 transitions. [2022-11-03 03:38:46,248 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 698 transitions. Word has length 258 [2022-11-03 03:38:46,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:46,248 INFO L495 AbstractCegarLoop]: Abstraction has 477 states and 698 transitions. [2022-11-03 03:38:46,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:46,249 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 698 transitions. [2022-11-03 03:38:46,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:38:46,253 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:46,253 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:38:46,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:46,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:46,474 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:46,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:46,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1892367695, now seen corresponding path program 1 times [2022-11-03 03:38:46,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:46,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1094627849] [2022-11-03 03:38:46,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:46,477 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:46,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:46,478 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:46,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-03 03:38:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:47,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:38:47,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:47,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:47,479 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:47,479 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:47,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1094627849] [2022-11-03 03:38:47,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1094627849] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:47,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:47,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:38:47,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096186656] [2022-11-03 03:38:47,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:47,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:38:47,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:47,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:38:47,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:38:47,482 INFO L87 Difference]: Start difference. First operand 477 states and 698 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:47,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:47,673 INFO L93 Difference]: Finished difference Result 1202 states and 1778 transitions. [2022-11-03 03:38:47,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:38:47,674 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:38:47,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:47,677 INFO L225 Difference]: With dead ends: 1202 [2022-11-03 03:38:47,678 INFO L226 Difference]: Without dead ends: 947 [2022-11-03 03:38:47,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:38:47,679 INFO L413 NwaCegarLoop]: 483 mSDtfsCounter, 1309 mSDsluCounter, 1947 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 2430 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 26 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:47,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1309 Valid, 2430 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 26 Unchecked, 0.1s Time] [2022-11-03 03:38:47,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2022-11-03 03:38:47,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 517. [2022-11-03 03:38:47,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 516 states have (on average 1.4651162790697674) internal successors, (756), 516 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:47,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 756 transitions. [2022-11-03 03:38:47,694 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 756 transitions. Word has length 258 [2022-11-03 03:38:47,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:47,694 INFO L495 AbstractCegarLoop]: Abstraction has 517 states and 756 transitions. [2022-11-03 03:38:47,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:47,695 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 756 transitions. [2022-11-03 03:38:47,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:38:47,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:47,699 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:38:47,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-11-03 03:38:47,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:47,921 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:47,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:47,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1586552371, now seen corresponding path program 1 times [2022-11-03 03:38:47,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:47,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1009617608] [2022-11-03 03:38:47,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:47,923 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:47,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:47,924 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:47,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-03 03:38:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:48,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:38:48,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:48,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:48,889 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:48,889 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:48,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1009617608] [2022-11-03 03:38:48,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1009617608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:48,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:48,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:38:48,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605928763] [2022-11-03 03:38:48,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:48,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:38:48,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:48,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:38:48,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:38:48,891 INFO L87 Difference]: Start difference. First operand 517 states and 756 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:49,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:49,041 INFO L93 Difference]: Finished difference Result 1310 states and 1925 transitions. [2022-11-03 03:38:49,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:49,042 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:38:49,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:49,046 INFO L225 Difference]: With dead ends: 1310 [2022-11-03 03:38:49,046 INFO L226 Difference]: Without dead ends: 1055 [2022-11-03 03:38:49,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:38:49,049 INFO L413 NwaCegarLoop]: 508 mSDtfsCounter, 548 mSDsluCounter, 1855 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 2363 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:49,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 2363 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 15 Unchecked, 0.1s Time] [2022-11-03 03:38:49,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2022-11-03 03:38:49,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 801. [2022-11-03 03:38:49,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 800 states have (on average 1.4575) internal successors, (1166), 800 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:49,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1166 transitions. [2022-11-03 03:38:49,067 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1166 transitions. Word has length 258 [2022-11-03 03:38:49,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:49,068 INFO L495 AbstractCegarLoop]: Abstraction has 801 states and 1166 transitions. [2022-11-03 03:38:49,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:49,068 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1166 transitions. [2022-11-03 03:38:49,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:38:49,072 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:49,072 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:38:49,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:49,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:49,292 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:49,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:49,293 INFO L85 PathProgramCache]: Analyzing trace with hash 178826421, now seen corresponding path program 1 times [2022-11-03 03:38:49,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:49,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [550466355] [2022-11-03 03:38:49,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:49,294 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:49,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:49,297 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:49,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-03 03:38:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:50,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:38:50,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:50,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:50,304 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:50,304 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:50,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [550466355] [2022-11-03 03:38:50,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [550466355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:50,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:50,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:38:50,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699935108] [2022-11-03 03:38:50,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:50,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:38:50,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:50,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:38:50,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:38:50,307 INFO L87 Difference]: Start difference. First operand 801 states and 1166 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:50,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:50,580 INFO L93 Difference]: Finished difference Result 1498 states and 2204 transitions. [2022-11-03 03:38:50,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:38:50,580 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:38:50,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:50,584 INFO L225 Difference]: With dead ends: 1498 [2022-11-03 03:38:50,584 INFO L226 Difference]: Without dead ends: 1243 [2022-11-03 03:38:50,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:38:50,585 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 985 mSDsluCounter, 2844 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 985 SdHoareTripleChecker+Valid, 3354 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 58 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:50,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [985 Valid, 3354 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 58 Unchecked, 0.2s Time] [2022-11-03 03:38:50,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2022-11-03 03:38:50,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 831. [2022-11-03 03:38:50,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 830 states have (on average 1.4566265060240964) internal successors, (1209), 830 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:50,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1209 transitions. [2022-11-03 03:38:50,603 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1209 transitions. Word has length 258 [2022-11-03 03:38:50,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:50,603 INFO L495 AbstractCegarLoop]: Abstraction has 831 states and 1209 transitions. [2022-11-03 03:38:50,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:50,604 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1209 transitions. [2022-11-03 03:38:50,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:38:50,607 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:50,608 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:38:50,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:50,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:50,828 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:50,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:50,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1582695607, now seen corresponding path program 1 times [2022-11-03 03:38:50,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:50,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051685708] [2022-11-03 03:38:50,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:50,830 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:50,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:50,832 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:50,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-03 03:38:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:51,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:38:51,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:52,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:52,059 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:52,059 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:52,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051685708] [2022-11-03 03:38:52,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1051685708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:52,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:52,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:38:52,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729975093] [2022-11-03 03:38:52,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:52,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:38:52,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:52,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:38:52,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:38:52,062 INFO L87 Difference]: Start difference. First operand 831 states and 1209 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:52,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:52,185 INFO L93 Difference]: Finished difference Result 1440 states and 2107 transitions. [2022-11-03 03:38:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:52,186 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:38:52,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:52,190 INFO L225 Difference]: With dead ends: 1440 [2022-11-03 03:38:52,190 INFO L226 Difference]: Without dead ends: 1185 [2022-11-03 03:38:52,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:38:52,191 INFO L413 NwaCegarLoop]: 374 mSDtfsCounter, 190 mSDsluCounter, 1288 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 1662 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:52,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 1662 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 17 Unchecked, 0.1s Time] [2022-11-03 03:38:52,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2022-11-03 03:38:52,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1185. [2022-11-03 03:38:52,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 1184 states have (on average 1.4577702702702702) internal successors, (1726), 1184 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:52,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1726 transitions. [2022-11-03 03:38:52,212 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1726 transitions. Word has length 258 [2022-11-03 03:38:52,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:52,213 INFO L495 AbstractCegarLoop]: Abstraction has 1185 states and 1726 transitions. [2022-11-03 03:38:52,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:52,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1726 transitions. [2022-11-03 03:38:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:38:52,218 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:52,218 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:38:52,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:52,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:52,428 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:52,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:52,428 INFO L85 PathProgramCache]: Analyzing trace with hash -942800075, now seen corresponding path program 1 times [2022-11-03 03:38:52,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:52,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919164792] [2022-11-03 03:38:52,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:52,430 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:52,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:52,431 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:52,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-03 03:38:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:53,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:38:53,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:53,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:53,685 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:53,685 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:53,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [919164792] [2022-11-03 03:38:53,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [919164792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:53,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:53,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:38:53,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217167088] [2022-11-03 03:38:53,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:53,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:38:53,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:53,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:38:53,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:38:53,688 INFO L87 Difference]: Start difference. First operand 1185 states and 1726 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:53,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:53,806 INFO L93 Difference]: Finished difference Result 2426 states and 3538 transitions. [2022-11-03 03:38:53,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:53,807 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:38:53,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:53,814 INFO L225 Difference]: With dead ends: 2426 [2022-11-03 03:38:53,815 INFO L226 Difference]: Without dead ends: 2171 [2022-11-03 03:38:53,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:38:53,816 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 173 mSDsluCounter, 1860 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 2235 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:53,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 2235 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 21 Unchecked, 0.1s Time] [2022-11-03 03:38:53,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2171 states. [2022-11-03 03:38:53,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2171 to 2171. [2022-11-03 03:38:53,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2171 states, 2170 states have (on average 1.4548387096774194) internal successors, (3157), 2170 states have internal predecessors, (3157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:53,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 2171 states and 3157 transitions. [2022-11-03 03:38:53,857 INFO L78 Accepts]: Start accepts. Automaton has 2171 states and 3157 transitions. Word has length 258 [2022-11-03 03:38:53,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:53,857 INFO L495 AbstractCegarLoop]: Abstraction has 2171 states and 3157 transitions. [2022-11-03 03:38:53,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:53,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 3157 transitions. [2022-11-03 03:38:53,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:38:53,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:53,865 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:38:53,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:54,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:54,086 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:54,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:54,086 INFO L85 PathProgramCache]: Analyzing trace with hash -786819533, now seen corresponding path program 1 times [2022-11-03 03:38:54,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:54,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1626675504] [2022-11-03 03:38:54,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:54,088 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:54,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:54,089 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:54,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-03 03:38:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:54,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:38:54,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:55,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:55,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:55,177 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:55,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1626675504] [2022-11-03 03:38:55,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1626675504] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:55,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:55,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:38:55,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334971042] [2022-11-03 03:38:55,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:55,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:38:55,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:55,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:38:55,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:38:55,180 INFO L87 Difference]: Start difference. First operand 2171 states and 3157 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:55,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:55,377 INFO L93 Difference]: Finished difference Result 3074 states and 4490 transitions. [2022-11-03 03:38:55,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:38:55,378 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:38:55,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:55,387 INFO L225 Difference]: With dead ends: 3074 [2022-11-03 03:38:55,387 INFO L226 Difference]: Without dead ends: 2819 [2022-11-03 03:38:55,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:38:55,389 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 1200 mSDsluCounter, 1918 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1200 SdHoareTripleChecker+Valid, 2474 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:55,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1200 Valid, 2474 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 17 Unchecked, 0.1s Time] [2022-11-03 03:38:55,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2819 states. [2022-11-03 03:38:55,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2819 to 2435. [2022-11-03 03:38:55,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2435 states, 2434 states have (on average 1.4531635168447001) internal successors, (3537), 2434 states have internal predecessors, (3537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:55,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 2435 states and 3537 transitions. [2022-11-03 03:38:55,451 INFO L78 Accepts]: Start accepts. Automaton has 2435 states and 3537 transitions. Word has length 258 [2022-11-03 03:38:55,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:55,451 INFO L495 AbstractCegarLoop]: Abstraction has 2435 states and 3537 transitions. [2022-11-03 03:38:55,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:55,452 INFO L276 IsEmpty]: Start isEmpty. Operand 2435 states and 3537 transitions. [2022-11-03 03:38:55,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:38:55,456 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:55,457 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:38:55,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:55,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:55,677 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:55,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:55,677 INFO L85 PathProgramCache]: Analyzing trace with hash -423353035, now seen corresponding path program 1 times [2022-11-03 03:38:55,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:55,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [796020762] [2022-11-03 03:38:55,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:55,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:55,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:55,679 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:55,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-03 03:38:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:56,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:38:56,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:56,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:56,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:56,991 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:56,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [796020762] [2022-11-03 03:38:56,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [796020762] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:56,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:56,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:38:56,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782020432] [2022-11-03 03:38:56,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:56,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:38:56,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:56,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:38:56,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:38:56,994 INFO L87 Difference]: Start difference. First operand 2435 states and 3537 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:57,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:57,130 INFO L93 Difference]: Finished difference Result 3652 states and 5305 transitions. [2022-11-03 03:38:57,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:38:57,131 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:38:57,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:57,142 INFO L225 Difference]: With dead ends: 3652 [2022-11-03 03:38:57,142 INFO L226 Difference]: Without dead ends: 3397 [2022-11-03 03:38:57,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:38:57,144 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 258 mSDsluCounter, 1399 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 1775 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:57,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 1775 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 15 Unchecked, 0.1s Time] [2022-11-03 03:38:57,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2022-11-03 03:38:57,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3397. [2022-11-03 03:38:57,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3397 states, 3396 states have (on average 1.4499411071849235) internal successors, (4924), 3396 states have internal predecessors, (4924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:57,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 3397 states and 4924 transitions. [2022-11-03 03:38:57,215 INFO L78 Accepts]: Start accepts. Automaton has 3397 states and 4924 transitions. Word has length 258 [2022-11-03 03:38:57,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:57,216 INFO L495 AbstractCegarLoop]: Abstraction has 3397 states and 4924 transitions. [2022-11-03 03:38:57,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:57,216 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 4924 transitions. [2022-11-03 03:38:57,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:38:57,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:57,223 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:38:57,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:57,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:57,443 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:57,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:57,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1285186637, now seen corresponding path program 1 times [2022-11-03 03:38:57,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:57,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743288889] [2022-11-03 03:38:57,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:57,445 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:57,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:57,446 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:57,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-03 03:38:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:58,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:38:58,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:38:58,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:38:58,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:38:58,481 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:38:58,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743288889] [2022-11-03 03:38:58,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [743288889] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:58,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:58,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:38:58,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132811138] [2022-11-03 03:38:58,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:58,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:38:58,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:38:58,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:38:58,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:38:58,483 INFO L87 Difference]: Start difference. First operand 3397 states and 4924 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:58,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:58,677 INFO L93 Difference]: Finished difference Result 6206 states and 9004 transitions. [2022-11-03 03:38:58,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:38:58,678 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:38:58,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:58,695 INFO L225 Difference]: With dead ends: 6206 [2022-11-03 03:38:58,695 INFO L226 Difference]: Without dead ends: 5951 [2022-11-03 03:38:58,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:38:58,698 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 1145 mSDsluCounter, 2000 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1145 SdHoareTripleChecker+Valid, 2589 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 18 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:58,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1145 Valid, 2589 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 18 Unchecked, 0.1s Time] [2022-11-03 03:38:58,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5951 states. [2022-11-03 03:38:58,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5951 to 5589. [2022-11-03 03:38:58,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5589 states, 5588 states have (on average 1.446671438797423) internal successors, (8084), 5588 states have internal predecessors, (8084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:58,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5589 states to 5589 states and 8084 transitions. [2022-11-03 03:38:58,818 INFO L78 Accepts]: Start accepts. Automaton has 5589 states and 8084 transitions. Word has length 258 [2022-11-03 03:38:58,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:58,818 INFO L495 AbstractCegarLoop]: Abstraction has 5589 states and 8084 transitions. [2022-11-03 03:38:58,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:38:58,819 INFO L276 IsEmpty]: Start isEmpty. Operand 5589 states and 8084 transitions. [2022-11-03 03:38:58,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:38:58,827 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:58,828 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:38:58,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-03 03:38:59,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:38:59,047 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:59,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:59,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1362417717, now seen corresponding path program 1 times [2022-11-03 03:38:59,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:38:59,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [490631782] [2022-11-03 03:38:59,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:59,050 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:38:59,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:38:59,051 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:38:59,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-03 03:38:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:59,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:38:59,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:00,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:00,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:00,403 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:00,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [490631782] [2022-11-03 03:39:00,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [490631782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:00,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:00,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:00,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221675168] [2022-11-03 03:39:00,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:00,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:00,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:00,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:00,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:00,405 INFO L87 Difference]: Start difference. First operand 5589 states and 8084 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:00,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:00,545 INFO L93 Difference]: Finished difference Result 8950 states and 12900 transitions. [2022-11-03 03:39:00,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:00,547 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:39:00,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:00,569 INFO L225 Difference]: With dead ends: 8950 [2022-11-03 03:39:00,569 INFO L226 Difference]: Without dead ends: 8695 [2022-11-03 03:39:00,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:39:00,573 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 286 mSDsluCounter, 1429 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 1805 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:00,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 1805 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 15 Unchecked, 0.1s Time] [2022-11-03 03:39:00,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8695 states. [2022-11-03 03:39:00,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8695 to 8695. [2022-11-03 03:39:00,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8695 states, 8694 states have (on average 1.439958592132505) internal successors, (12519), 8694 states have internal predecessors, (12519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:00,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8695 states to 8695 states and 12519 transitions. [2022-11-03 03:39:00,730 INFO L78 Accepts]: Start accepts. Automaton has 8695 states and 12519 transitions. Word has length 258 [2022-11-03 03:39:00,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:00,731 INFO L495 AbstractCegarLoop]: Abstraction has 8695 states and 12519 transitions. [2022-11-03 03:39:00,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:00,731 INFO L276 IsEmpty]: Start isEmpty. Operand 8695 states and 12519 transitions. [2022-11-03 03:39:00,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:39:00,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:00,745 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:39:00,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:00,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:00,965 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:00,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:00,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1893965005, now seen corresponding path program 1 times [2022-11-03 03:39:00,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:00,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1437022400] [2022-11-03 03:39:00,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:00,968 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:00,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:00,969 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:01,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-03 03:39:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:01,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:39:01,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:02,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:02,443 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:02,443 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:02,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1437022400] [2022-11-03 03:39:02,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1437022400] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:02,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:02,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:02,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579792649] [2022-11-03 03:39:02,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:02,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:02,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:02,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:02,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:02,454 INFO L87 Difference]: Start difference. First operand 8695 states and 12519 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:02,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:02,611 INFO L93 Difference]: Finished difference Result 13388 states and 19237 transitions. [2022-11-03 03:39:02,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:02,612 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:39:02,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:02,639 INFO L225 Difference]: With dead ends: 13388 [2022-11-03 03:39:02,639 INFO L226 Difference]: Without dead ends: 13133 [2022-11-03 03:39:02,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:39:02,645 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 277 mSDsluCounter, 1862 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 2237 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:02,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 2237 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 17 Unchecked, 0.1s Time] [2022-11-03 03:39:02,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13133 states. [2022-11-03 03:39:02,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13133 to 13133. [2022-11-03 03:39:02,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13133 states, 13132 states have (on average 1.4358818154127322) internal successors, (18856), 13132 states have internal predecessors, (18856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13133 states to 13133 states and 18856 transitions. [2022-11-03 03:39:02,895 INFO L78 Accepts]: Start accepts. Automaton has 13133 states and 18856 transitions. Word has length 258 [2022-11-03 03:39:02,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:02,895 INFO L495 AbstractCegarLoop]: Abstraction has 13133 states and 18856 transitions. [2022-11-03 03:39:02,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:02,896 INFO L276 IsEmpty]: Start isEmpty. Operand 13133 states and 18856 transitions. [2022-11-03 03:39:02,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:39:02,918 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:02,919 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:39:02,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:03,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:03,144 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:03,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:03,145 INFO L85 PathProgramCache]: Analyzing trace with hash 46617009, now seen corresponding path program 1 times [2022-11-03 03:39:03,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:03,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [179316234] [2022-11-03 03:39:03,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:03,148 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:03,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:03,149 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:03,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-03 03:39:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:03,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:39:03,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:04,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:04,301 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:04,302 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:04,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [179316234] [2022-11-03 03:39:04,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [179316234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:04,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:04,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:04,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652053912] [2022-11-03 03:39:04,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:04,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:04,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:04,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:04,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:04,304 INFO L87 Difference]: Start difference. First operand 13133 states and 18856 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:04,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:04,519 INFO L93 Difference]: Finished difference Result 13774 states and 19808 transitions. [2022-11-03 03:39:04,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:39:04,520 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:39:04,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:04,539 INFO L225 Difference]: With dead ends: 13774 [2022-11-03 03:39:04,539 INFO L226 Difference]: Without dead ends: 13519 [2022-11-03 03:39:04,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:39:04,545 INFO L413 NwaCegarLoop]: 631 mSDtfsCounter, 1073 mSDsluCounter, 2041 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1073 SdHoareTripleChecker+Valid, 2672 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:04,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1073 Valid, 2672 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 17 Unchecked, 0.1s Time] [2022-11-03 03:39:04,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13519 states. [2022-11-03 03:39:04,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13519 to 13185. [2022-11-03 03:39:04,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13185 states, 13184 states have (on average 1.4358313106796117) internal successors, (18930), 13184 states have internal predecessors, (18930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:04,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13185 states to 13185 states and 18930 transitions. [2022-11-03 03:39:04,839 INFO L78 Accepts]: Start accepts. Automaton has 13185 states and 18930 transitions. Word has length 258 [2022-11-03 03:39:04,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:04,839 INFO L495 AbstractCegarLoop]: Abstraction has 13185 states and 18930 transitions. [2022-11-03 03:39:04,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:04,840 INFO L276 IsEmpty]: Start isEmpty. Operand 13185 states and 18930 transitions. [2022-11-03 03:39:04,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:39:04,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:04,863 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:39:04,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:05,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:05,084 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:05,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:05,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1371473203, now seen corresponding path program 1 times [2022-11-03 03:39:05,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:05,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1515803838] [2022-11-03 03:39:05,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:05,086 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:05,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:05,087 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:05,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-03 03:39:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:05,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:39:05,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:06,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:06,173 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:06,173 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:06,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1515803838] [2022-11-03 03:39:06,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1515803838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:06,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:06,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:06,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682597103] [2022-11-03 03:39:06,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:06,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:06,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:06,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:06,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:06,175 INFO L87 Difference]: Start difference. First operand 13185 states and 18930 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:06,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:06,471 INFO L93 Difference]: Finished difference Result 17590 states and 25272 transitions. [2022-11-03 03:39:06,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:39:06,471 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:39:06,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:06,493 INFO L225 Difference]: With dead ends: 17590 [2022-11-03 03:39:06,493 INFO L226 Difference]: Without dead ends: 17335 [2022-11-03 03:39:06,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:39:06,496 INFO L413 NwaCegarLoop]: 637 mSDtfsCounter, 1063 mSDsluCounter, 2096 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 2733 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:06,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1063 Valid, 2733 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 21 Unchecked, 0.2s Time] [2022-11-03 03:39:06,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17335 states. [2022-11-03 03:39:06,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17335 to 17005. [2022-11-03 03:39:06,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17005 states, 17004 states have (on average 1.4349564808280404) internal successors, (24400), 17004 states have internal predecessors, (24400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:06,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17005 states to 17005 states and 24400 transitions. [2022-11-03 03:39:06,705 INFO L78 Accepts]: Start accepts. Automaton has 17005 states and 24400 transitions. Word has length 258 [2022-11-03 03:39:06,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:06,705 INFO L495 AbstractCegarLoop]: Abstraction has 17005 states and 24400 transitions. [2022-11-03 03:39:06,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:06,706 INFO L276 IsEmpty]: Start isEmpty. Operand 17005 states and 24400 transitions. [2022-11-03 03:39:06,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:39:06,735 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:06,736 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:39:06,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:06,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:06,950 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:06,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:06,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1611712949, now seen corresponding path program 1 times [2022-11-03 03:39:06,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:06,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594530156] [2022-11-03 03:39:06,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:06,952 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:06,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:06,953 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:06,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-11-03 03:39:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:07,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:39:07,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:08,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:08,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:08,183 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:08,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594530156] [2022-11-03 03:39:08,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1594530156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:08,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:08,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:08,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887824152] [2022-11-03 03:39:08,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:08,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:08,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:08,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:08,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:08,186 INFO L87 Difference]: Start difference. First operand 17005 states and 24400 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:08,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:08,474 INFO L93 Difference]: Finished difference Result 18318 states and 26324 transitions. [2022-11-03 03:39:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:39:08,475 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:39:08,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:08,504 INFO L225 Difference]: With dead ends: 18318 [2022-11-03 03:39:08,504 INFO L226 Difference]: Without dead ends: 18063 [2022-11-03 03:39:08,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:39:08,511 INFO L413 NwaCegarLoop]: 655 mSDtfsCounter, 885 mSDsluCounter, 2922 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 3577 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 31 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:08,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 3577 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 31 Unchecked, 0.2s Time] [2022-11-03 03:39:08,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18063 states. [2022-11-03 03:39:08,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18063 to 17745. [2022-11-03 03:39:08,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17745 states, 17744 states have (on average 1.435414788097385) internal successors, (25470), 17744 states have internal predecessors, (25470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:08,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17745 states to 17745 states and 25470 transitions. [2022-11-03 03:39:08,724 INFO L78 Accepts]: Start accepts. Automaton has 17745 states and 25470 transitions. Word has length 258 [2022-11-03 03:39:08,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:08,725 INFO L495 AbstractCegarLoop]: Abstraction has 17745 states and 25470 transitions. [2022-11-03 03:39:08,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:08,725 INFO L276 IsEmpty]: Start isEmpty. Operand 17745 states and 25470 transitions. [2022-11-03 03:39:08,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:39:08,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:08,749 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:39:08,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:08,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:08,964 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:08,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:08,965 INFO L85 PathProgramCache]: Analyzing trace with hash 395559223, now seen corresponding path program 1 times [2022-11-03 03:39:08,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:08,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1651521282] [2022-11-03 03:39:08,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:08,967 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:08,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:08,968 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:09,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-11-03 03:39:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:09,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:39:09,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:10,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:10,500 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:10,501 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:10,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1651521282] [2022-11-03 03:39:10,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1651521282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:10,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:10,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:10,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458340014] [2022-11-03 03:39:10,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:10,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:10,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:10,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:10,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:10,503 INFO L87 Difference]: Start difference. First operand 17745 states and 25470 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:10,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:10,698 INFO L93 Difference]: Finished difference Result 33568 states and 48131 transitions. [2022-11-03 03:39:10,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:10,699 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:39:10,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:10,741 INFO L225 Difference]: With dead ends: 33568 [2022-11-03 03:39:10,741 INFO L226 Difference]: Without dead ends: 33313 [2022-11-03 03:39:10,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:39:10,752 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 385 mSDsluCounter, 1498 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:10,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 1873 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 15 Unchecked, 0.1s Time] [2022-11-03 03:39:10,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33313 states. [2022-11-03 03:39:11,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33313 to 33313. [2022-11-03 03:39:11,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33313 states, 33312 states have (on average 1.4334173871277618) internal successors, (47750), 33312 states have internal predecessors, (47750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:11,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33313 states to 33313 states and 47750 transitions. [2022-11-03 03:39:11,217 INFO L78 Accepts]: Start accepts. Automaton has 33313 states and 47750 transitions. Word has length 258 [2022-11-03 03:39:11,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:11,217 INFO L495 AbstractCegarLoop]: Abstraction has 33313 states and 47750 transitions. [2022-11-03 03:39:11,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:11,218 INFO L276 IsEmpty]: Start isEmpty. Operand 33313 states and 47750 transitions. [2022-11-03 03:39:11,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:39:11,280 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:11,281 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:39:11,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:11,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:11,501 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:11,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:11,501 INFO L85 PathProgramCache]: Analyzing trace with hash -165140555, now seen corresponding path program 1 times [2022-11-03 03:39:11,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:11,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [957977598] [2022-11-03 03:39:11,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:11,503 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:11,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:11,505 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:11,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-03 03:39:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:12,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:39:12,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:12,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:12,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:12,546 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:12,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [957977598] [2022-11-03 03:39:12,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [957977598] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:12,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:12,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:12,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227703882] [2022-11-03 03:39:12,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:12,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:12,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:12,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:12,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:12,548 INFO L87 Difference]: Start difference. First operand 33313 states and 47750 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:12,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:12,857 INFO L93 Difference]: Finished difference Result 33942 states and 48684 transitions. [2022-11-03 03:39:12,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:39:12,858 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:39:12,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:12,894 INFO L225 Difference]: With dead ends: 33942 [2022-11-03 03:39:12,894 INFO L226 Difference]: Without dead ends: 33687 [2022-11-03 03:39:12,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:39:12,905 INFO L413 NwaCegarLoop]: 679 mSDtfsCounter, 829 mSDsluCounter, 3160 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 3839 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:12,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 3839 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 32 Unchecked, 0.2s Time] [2022-11-03 03:39:12,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33687 states. [2022-11-03 03:39:13,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33687 to 33385. [2022-11-03 03:39:13,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33385 states, 33384 states have (on average 1.4334411694224778) internal successors, (47854), 33384 states have internal predecessors, (47854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:13,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33385 states to 33385 states and 47854 transitions. [2022-11-03 03:39:13,434 INFO L78 Accepts]: Start accepts. Automaton has 33385 states and 47854 transitions. Word has length 258 [2022-11-03 03:39:13,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:13,434 INFO L495 AbstractCegarLoop]: Abstraction has 33385 states and 47854 transitions. [2022-11-03 03:39:13,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:13,435 INFO L276 IsEmpty]: Start isEmpty. Operand 33385 states and 47854 transitions. [2022-11-03 03:39:13,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:39:13,516 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:13,516 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:39:13,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:13,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:13,736 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:13,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:13,737 INFO L85 PathProgramCache]: Analyzing trace with hash 2101240631, now seen corresponding path program 1 times [2022-11-03 03:39:13,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:13,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601736285] [2022-11-03 03:39:13,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:13,739 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:13,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:13,741 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:13,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-11-03 03:39:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:14,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:39:14,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:14,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:14,853 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:14,853 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:14,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601736285] [2022-11-03 03:39:14,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [601736285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:14,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:14,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:14,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685510309] [2022-11-03 03:39:14,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:14,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:14,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:14,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:14,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:14,857 INFO L87 Difference]: Start difference. First operand 33385 states and 47854 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:15,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:15,306 INFO L93 Difference]: Finished difference Result 44678 states and 64176 transitions. [2022-11-03 03:39:15,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:39:15,306 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:39:15,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:15,345 INFO L225 Difference]: With dead ends: 44678 [2022-11-03 03:39:15,345 INFO L226 Difference]: Without dead ends: 44423 [2022-11-03 03:39:15,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:39:15,354 INFO L413 NwaCegarLoop]: 681 mSDtfsCounter, 813 mSDsluCounter, 3181 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 813 SdHoareTripleChecker+Valid, 3862 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 57 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:15,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [813 Valid, 3862 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 57 Unchecked, 0.2s Time] [2022-11-03 03:39:15,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44423 states. [2022-11-03 03:39:15,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44423 to 44125. [2022-11-03 03:39:15,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44125 states, 44124 states have (on average 1.435771915510833) internal successors, (63352), 44124 states have internal predecessors, (63352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:15,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44125 states to 44125 states and 63352 transitions. [2022-11-03 03:39:15,883 INFO L78 Accepts]: Start accepts. Automaton has 44125 states and 63352 transitions. Word has length 258 [2022-11-03 03:39:15,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:15,884 INFO L495 AbstractCegarLoop]: Abstraction has 44125 states and 63352 transitions. [2022-11-03 03:39:15,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:15,884 INFO L276 IsEmpty]: Start isEmpty. Operand 44125 states and 63352 transitions. [2022-11-03 03:39:15,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:39:15,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:15,937 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:39:15,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:16,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:16,156 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:16,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:16,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1748152249, now seen corresponding path program 1 times [2022-11-03 03:39:16,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:16,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [810275048] [2022-11-03 03:39:16,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:16,158 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:16,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:16,159 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:16,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-11-03 03:39:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:16,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:39:16,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:17,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:17,868 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:17,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [810275048] [2022-11-03 03:39:17,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [810275048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:17,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:17,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:17,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023622274] [2022-11-03 03:39:17,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:17,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:17,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:17,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:17,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:17,871 INFO L87 Difference]: Start difference. First operand 44125 states and 63352 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:18,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:18,310 INFO L93 Difference]: Finished difference Result 88358 states and 126868 transitions. [2022-11-03 03:39:18,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:18,311 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:39:18,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:18,381 INFO L225 Difference]: With dead ends: 88358 [2022-11-03 03:39:18,381 INFO L226 Difference]: Without dead ends: 88103 [2022-11-03 03:39:18,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:39:18,402 INFO L413 NwaCegarLoop]: 372 mSDtfsCounter, 410 mSDsluCounter, 1430 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 1802 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:18,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 1802 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 17 Unchecked, 0.1s Time] [2022-11-03 03:39:18,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88103 states. [2022-11-03 03:39:19,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88103 to 88103. [2022-11-03 03:39:19,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88103 states, 88102 states have (on average 1.4356881796099974) internal successors, (126487), 88102 states have internal predecessors, (126487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:19,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88103 states to 88103 states and 126487 transitions. [2022-11-03 03:39:19,560 INFO L78 Accepts]: Start accepts. Automaton has 88103 states and 126487 transitions. Word has length 258 [2022-11-03 03:39:19,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:19,561 INFO L495 AbstractCegarLoop]: Abstraction has 88103 states and 126487 transitions. [2022-11-03 03:39:19,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:19,561 INFO L276 IsEmpty]: Start isEmpty. Operand 88103 states and 126487 transitions. [2022-11-03 03:39:19,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:39:19,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:19,726 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:39:19,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:19,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:19,927 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:19,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:19,928 INFO L85 PathProgramCache]: Analyzing trace with hash 854665911, now seen corresponding path program 1 times [2022-11-03 03:39:19,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:19,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1487891325] [2022-11-03 03:39:19,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:19,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:19,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:19,931 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:20,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-11-03 03:39:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:20,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:39:20,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:21,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:21,812 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:21,812 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:21,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1487891325] [2022-11-03 03:39:21,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1487891325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:21,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:21,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:21,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655913254] [2022-11-03 03:39:21,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:21,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:21,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:21,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:21,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:21,815 INFO L87 Difference]: Start difference. First operand 88103 states and 126487 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:22,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:22,273 INFO L93 Difference]: Finished difference Result 174490 states and 250482 transitions. [2022-11-03 03:39:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:39:22,273 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:39:22,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:22,400 INFO L225 Difference]: With dead ends: 174490 [2022-11-03 03:39:22,400 INFO L226 Difference]: Without dead ends: 174235 [2022-11-03 03:39:22,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:39:22,438 INFO L413 NwaCegarLoop]: 374 mSDtfsCounter, 476 mSDsluCounter, 1558 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 1932 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:22,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 1932 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 17 Unchecked, 0.1s Time] [2022-11-03 03:39:22,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174235 states. [2022-11-03 03:39:24,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174235 to 174235. [2022-11-03 03:39:24,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174235 states, 174234 states have (on average 1.4354316608698647) internal successors, (250101), 174234 states have internal predecessors, (250101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:24,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174235 states to 174235 states and 250101 transitions. [2022-11-03 03:39:24,690 INFO L78 Accepts]: Start accepts. Automaton has 174235 states and 250101 transitions. Word has length 258 [2022-11-03 03:39:24,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:24,691 INFO L495 AbstractCegarLoop]: Abstraction has 174235 states and 250101 transitions. [2022-11-03 03:39:24,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:24,691 INFO L276 IsEmpty]: Start isEmpty. Operand 174235 states and 250101 transitions. [2022-11-03 03:39:25,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:39:25,268 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:25,268 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:39:25,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (25)] Ended with exit code 0 [2022-11-03 03:39:25,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:25,481 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:25,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:25,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1441471925, now seen corresponding path program 1 times [2022-11-03 03:39:25,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:25,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528410900] [2022-11-03 03:39:25,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:25,483 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:25,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:25,484 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:25,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-11-03 03:39:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:26,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:39:26,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:26,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:26,552 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:26,552 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:26,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528410900] [2022-11-03 03:39:26,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528410900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:26,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:26,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:39:26,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495507598] [2022-11-03 03:39:26,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:26,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:39:26,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:39:26,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:39:26,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:39:26,554 INFO L87 Difference]: Start difference. First operand 174235 states and 250101 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:27,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:27,445 INFO L93 Difference]: Finished difference Result 176266 states and 253046 transitions. [2022-11-03 03:39:27,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:39:27,446 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:39:27,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:27,566 INFO L225 Difference]: With dead ends: 176266 [2022-11-03 03:39:27,566 INFO L226 Difference]: Without dead ends: 176011 [2022-11-03 03:39:27,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:39:27,598 INFO L413 NwaCegarLoop]: 742 mSDtfsCounter, 886 mSDsluCounter, 2520 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 886 SdHoareTripleChecker+Valid, 3262 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 33 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:27,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [886 Valid, 3262 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 33 Unchecked, 0.1s Time] [2022-11-03 03:39:27,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176011 states. [2022-11-03 03:39:29,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176011 to 175751. [2022-11-03 03:39:29,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175751 states, 175750 states have (on average 1.4354423897581792) internal successors, (252279), 175750 states have internal predecessors, (252279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:29,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175751 states to 175751 states and 252279 transitions. [2022-11-03 03:39:29,437 INFO L78 Accepts]: Start accepts. Automaton has 175751 states and 252279 transitions. Word has length 258 [2022-11-03 03:39:29,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:29,438 INFO L495 AbstractCegarLoop]: Abstraction has 175751 states and 252279 transitions. [2022-11-03 03:39:29,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:39:29,438 INFO L276 IsEmpty]: Start isEmpty. Operand 175751 states and 252279 transitions. [2022-11-03 03:39:30,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:39:30,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:30,136 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:39:30,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2022-11-03 03:39:30,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:39:30,356 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:30,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:30,356 INFO L85 PathProgramCache]: Analyzing trace with hash 2121530295, now seen corresponding path program 1 times [2022-11-03 03:39:30,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:39:30,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1650336946] [2022-11-03 03:39:30,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:30,358 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:39:30,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:39:30,358 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:39:30,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-11-03 03:39:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:30,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-03 03:39:30,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:34,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:34,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:39:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:40,765 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:39:40,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1650336946] [2022-11-03 03:39:40,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1650336946] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:39:40,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [898883238] [2022-11-03 03:39:40,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:40,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:39:40,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:39:40,769 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:39:40,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2022-11-03 03:39:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:42,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-03 03:39:42,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:44,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:39:44,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:40:44,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:44,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [898883238] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:40:44,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878016638] [2022-11-03 03:40:44,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:44,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:40:44,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:40:44,333 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:40:44,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-11-03 03:40:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:44,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-03 03:40:44,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:40:48,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:40:48,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:41:14,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:41:14,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878016638] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:41:14,180 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-03 03:41:14,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10, 10, 11, 11] total 37 [2022-11-03 03:41:14,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777168472] [2022-11-03 03:41:14,181 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-03 03:41:14,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-11-03 03:41:14,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:41:14,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-11-03 03:41:14,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1087, Unknown=34, NotChecked=0, Total=1332 [2022-11-03 03:41:14,184 INFO L87 Difference]: Start difference. First operand 175751 states and 252279 transitions. Second operand has 37 states, 37 states have (on average 34.45945945945946) internal successors, (1275), 37 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:15,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:15,546 INFO L93 Difference]: Finished difference Result 221554 states and 318036 transitions. [2022-11-03 03:41:15,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 03:41:15,546 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 34.45945945945946) internal successors, (1275), 37 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:41:15,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:15,695 INFO L225 Difference]: With dead ends: 221554 [2022-11-03 03:41:15,695 INFO L226 Difference]: Without dead ends: 221552 [2022-11-03 03:41:15,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1558 GetRequests, 1508 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 84.1s TimeCoverageRelationStatistics Valid=452, Invalid=1770, Unknown=34, NotChecked=0, Total=2256 [2022-11-03 03:41:15,738 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 2197 mSDsluCounter, 7239 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2197 SdHoareTripleChecker+Valid, 7589 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 56 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:15,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2197 Valid, 7589 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 56 Unchecked, 0.0s Time] [2022-11-03 03:41:15,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221552 states. [2022-11-03 03:41:17,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221552 to 221552. [2022-11-03 03:41:17,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221552 states, 221551 states have (on average 1.435488894204946) internal successors, (318034), 221551 states have internal predecessors, (318034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:18,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221552 states to 221552 states and 318034 transitions. [2022-11-03 03:41:18,710 INFO L78 Accepts]: Start accepts. Automaton has 221552 states and 318034 transitions. Word has length 258 [2022-11-03 03:41:18,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:18,710 INFO L495 AbstractCegarLoop]: Abstraction has 221552 states and 318034 transitions. [2022-11-03 03:41:18,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 34.45945945945946) internal successors, (1275), 37 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:18,711 INFO L276 IsEmpty]: Start isEmpty. Operand 221552 states and 318034 transitions. [2022-11-03 03:41:19,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:41:19,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:19,088 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:41:19,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-11-03 03:41:19,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2022-11-03 03:41:19,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2022-11-03 03:41:19,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:41:19,689 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:19,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:19,690 INFO L85 PathProgramCache]: Analyzing trace with hash 198279865, now seen corresponding path program 1 times [2022-11-03 03:41:19,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:41:19,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1926857343] [2022-11-03 03:41:19,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:19,692 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:41:19,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:41:19,693 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:41:19,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2022-11-03 03:41:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:20,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:41:20,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:41:20,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:41:20,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:41:20,609 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:41:20,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1926857343] [2022-11-03 03:41:20,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1926857343] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:20,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:41:20,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:41:20,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790109498] [2022-11-03 03:41:20,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:20,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:41:20,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:41:20,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:41:20,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:41:20,611 INFO L87 Difference]: Start difference. First operand 221552 states and 318034 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:22,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:22,378 INFO L93 Difference]: Finished difference Result 506547 states and 727088 transitions. [2022-11-03 03:41:22,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:41:22,379 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:41:22,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:22,769 INFO L225 Difference]: With dead ends: 506547 [2022-11-03 03:41:22,769 INFO L226 Difference]: Without dead ends: 427122 [2022-11-03 03:41:22,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:41:22,868 INFO L413 NwaCegarLoop]: 973 mSDtfsCounter, 1022 mSDsluCounter, 2563 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1022 SdHoareTripleChecker+Valid, 3536 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 41 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:22,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1022 Valid, 3536 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 41 Unchecked, 0.2s Time] [2022-11-03 03:41:23,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427122 states. [2022-11-03 03:41:25,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427122 to 246136. [2022-11-03 03:41:25,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246136 states, 246135 states have (on average 1.4169703617933247) internal successors, (348766), 246135 states have internal predecessors, (348766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:27,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246136 states to 246136 states and 348766 transitions. [2022-11-03 03:41:27,088 INFO L78 Accepts]: Start accepts. Automaton has 246136 states and 348766 transitions. Word has length 258 [2022-11-03 03:41:27,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:27,105 INFO L495 AbstractCegarLoop]: Abstraction has 246136 states and 348766 transitions. [2022-11-03 03:41:27,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:27,105 INFO L276 IsEmpty]: Start isEmpty. Operand 246136 states and 348766 transitions. [2022-11-03 03:41:27,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 03:41:27,434 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:27,434 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 03:41:27,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (30)] Ended with exit code 0 [2022-11-03 03:41:27,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:41:27,635 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:27,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:27,635 INFO L85 PathProgramCache]: Analyzing trace with hash 865661755, now seen corresponding path program 1 times [2022-11-03 03:41:27,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:41:27,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425578619] [2022-11-03 03:41:27,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:27,637 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:41:27,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:41:27,638 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:41:27,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a315b0-2c87-4d32-a3f3-6da2e86e1394/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-11-03 03:41:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:28,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:41:28,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:41:28,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:41:28,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:41:28,549 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:41:28,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425578619] [2022-11-03 03:41:28,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1425578619] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:28,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:41:28,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:41:28,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236495878] [2022-11-03 03:41:28,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:28,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:41:28,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:41:28,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:41:28,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:41:28,551 INFO L87 Difference]: Start difference. First operand 246136 states and 348766 transitions. Second operand has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:41:30,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:30,296 INFO L93 Difference]: Finished difference Result 460467 states and 658480 transitions. [2022-11-03 03:41:30,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:41:30,298 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.857142857142854) internal successors, (258), 7 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2022-11-03 03:41:30,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:30,825 INFO L225 Difference]: With dead ends: 460467 [2022-11-03 03:41:30,825 INFO L226 Difference]: Without dead ends: 401516 [2022-11-03 03:41:30,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:41:30,925 INFO L413 NwaCegarLoop]: 963 mSDtfsCounter, 776 mSDsluCounter, 3711 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 4674 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 62 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:30,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 4674 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 62 Unchecked, 0.2s Time] [2022-11-03 03:41:31,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401516 states. [2022-11-03 03:41:34,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401516 to 266616. [2022-11-03 03:41:34,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266616 states, 266615 states have (on average 1.4079852971513231) internal successors, (375390), 266615 states have internal predecessors, (375390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)