./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d32_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/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_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d32_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/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_b28ada4d-3566-4e7d-815c-348bb1fa1f90/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 223ad945b034bac2a266b34d15fe008fba2370dab8dff9f39cd2e371c19ffd4c --- 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 01:43:07,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:43:07,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:43:07,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:43:07,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:43:07,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:43:07,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:43:07,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:43:07,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:43:07,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:43:07,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:43:07,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:43:07,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:43:07,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:43:07,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:43:07,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:43:07,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:43:07,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:43:07,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:43:07,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:43:07,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:43:07,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:43:07,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:43:07,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:43:07,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:43:07,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:43:07,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:43:07,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:43:07,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:43:07,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:43:07,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:43:07,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:43:07,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:43:07,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:43:07,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:43:07,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:43:07,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:43:07,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:43:07,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:43:07,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:43:07,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:43:07,525 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:43:07,565 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:43:07,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:43:07,566 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:43:07,566 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:43:07,567 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:43:07,568 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:43:07,568 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:43:07,569 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:43:07,569 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:43:07,569 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:43:07,570 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:43:07,570 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:43:07,570 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:43:07,571 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:43:07,571 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:43:07,571 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:43:07,572 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:43:07,572 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:43:07,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:43:07,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:43:07,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:43:07,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:43:07,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:43:07,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:43:07,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:43:07,576 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:43:07,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:43:07,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:43:07,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:43:07,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:43:07,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:43:07,578 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:43:07,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:43:07,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:43:07,579 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:43:07,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:43:07,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:43:07,580 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:43:07,580 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_b28ada4d-3566-4e7d-815c-348bb1fa1f90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 223ad945b034bac2a266b34d15fe008fba2370dab8dff9f39cd2e371c19ffd4c [2022-11-03 01:43:07,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:43:08,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:43:08,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:43:08,019 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:43:08,020 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:43:08,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d32_e0.c [2022-11-03 01:43:08,126 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/data/8e4df2bec/114865f328dc4cf3b51a15e57fe70cd7/FLAG3fe6bd8eb [2022-11-03 01:43:08,782 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:43:08,783 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d32_e0.c [2022-11-03 01:43:08,800 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/data/8e4df2bec/114865f328dc4cf3b51a15e57fe70cd7/FLAG3fe6bd8eb [2022-11-03 01:43:08,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/data/8e4df2bec/114865f328dc4cf3b51a15e57fe70cd7 [2022-11-03 01:43:08,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:43:08,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:43:08,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:43:08,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:43:08,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:43:08,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:43:08" (1/1) ... [2022-11-03 01:43:08,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42395c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:08, skipping insertion in model container [2022-11-03 01:43:08,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:43:08" (1/1) ... [2022-11-03 01:43:09,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:43:09,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:43:09,412 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_b28ada4d-3566-4e7d-815c-348bb1fa1f90/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d32_e0.c[1116,1129] [2022-11-03 01:43:09,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:43:09,732 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:43:09,744 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_b28ada4d-3566-4e7d-815c-348bb1fa1f90/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d32_e0.c[1116,1129] [2022-11-03 01:43:09,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:43:09,928 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:43:09,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:09 WrapperNode [2022-11-03 01:43:09,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:43:09,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:43:09,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:43:09,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:43:09,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:09" (1/1) ... [2022-11-03 01:43:10,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:09" (1/1) ... [2022-11-03 01:43:10,174 INFO L138 Inliner]: procedures = 11, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1864 [2022-11-03 01:43:10,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:43:10,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:43:10,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:43:10,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:43:10,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:09" (1/1) ... [2022-11-03 01:43:10,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:09" (1/1) ... [2022-11-03 01:43:10,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:09" (1/1) ... [2022-11-03 01:43:10,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:09" (1/1) ... [2022-11-03 01:43:10,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:09" (1/1) ... [2022-11-03 01:43:10,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:09" (1/1) ... [2022-11-03 01:43:10,389 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:09" (1/1) ... [2022-11-03 01:43:10,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:09" (1/1) ... [2022-11-03 01:43:10,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:43:10,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:43:10,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:43:10,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:43:10,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:09" (1/1) ... [2022-11-03 01:43:10,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:43:10,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:43:10,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:43:10,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:43:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:43:10,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:43:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 01:43:10,565 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 01:43:11,014 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:43:11,016 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:43:14,992 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:43:18,902 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:43:18,903 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 01:43:18,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:43:18 BoogieIcfgContainer [2022-11-03 01:43:18,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:43:18,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:43:18,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:43:18,916 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:43:18,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:43:08" (1/3) ... [2022-11-03 01:43:18,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a2e848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:43:18, skipping insertion in model container [2022-11-03 01:43:18,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:43:09" (2/3) ... [2022-11-03 01:43:18,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a2e848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:43:18, skipping insertion in model container [2022-11-03 01:43:18,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:43:18" (3/3) ... [2022-11-03 01:43:18,920 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w64_d32_e0.c [2022-11-03 01:43:18,946 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:43:18,946 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:43:19,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:43:19,034 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;@6b095833, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:43:19,034 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:43:19,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:43:19,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 01:43:19,050 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:19,051 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:19,052 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:43:19,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:19,061 INFO L85 PathProgramCache]: Analyzing trace with hash -145835133, now seen corresponding path program 1 times [2022-11-03 01:43:19,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:19,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67988149] [2022-11-03 01:43:19,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:19,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:28,823 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 01:43:28,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:28,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67988149] [2022-11-03 01:43:28,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67988149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:28,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:28,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:43:28,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054615200] [2022-11-03 01:43:28,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:28,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:43:28,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:28,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:43:28,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:43:28,888 INFO L87 Difference]: Start difference. First operand has 15 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:43:32,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:33,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:33,289 INFO L93 Difference]: Finished difference Result 37 states and 49 transitions. [2022-11-03 01:43:33,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:43:33,292 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2022-11-03 01:43:33,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:33,300 INFO L225 Difference]: With dead ends: 37 [2022-11-03 01:43:33,301 INFO L226 Difference]: Without dead ends: 23 [2022-11-03 01:43:33,305 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 01:43:33,310 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 3 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:33,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 36 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-11-03 01:43:33,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-03 01:43:33,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-03 01:43:33,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:43:33,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2022-11-03 01:43:33,365 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 16 [2022-11-03 01:43:33,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:33,370 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-03 01:43:33,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:43:33,370 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-03 01:43:33,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-03 01:43:33,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:33,375 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-03 01:43:33,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:43:33,376 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:43:33,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:33,376 INFO L85 PathProgramCache]: Analyzing trace with hash 224043513, now seen corresponding path program 1 times [2022-11-03 01:43:33,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:33,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382161007] [2022-11-03 01:43:33,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:33,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:44:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:44:18,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 01:44:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:44:54,473 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 01:44:54,474 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 01:44:54,476 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:44:54,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:44:54,483 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-03 01:44:54,487 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:44:54,703 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-03 01:44:54,704 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-03 01:44:54,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:44:54 BoogieIcfgContainer [2022-11-03 01:44:54,773 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:44:54,773 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:44:54,773 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:44:54,774 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:44:54,774 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:43:18" (3/4) ... [2022-11-03 01:44:54,777 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 01:44:54,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:44:54,779 INFO L158 Benchmark]: Toolchain (without parser) took 105792.19ms. Allocated memory was 136.3MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 100.1MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 461.5MB. Max. memory is 16.1GB. [2022-11-03 01:44:54,779 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 88.1MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:44:54,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 938.83ms. Allocated memory is still 136.3MB. Free memory was 99.9MB in the beginning and 77.5MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-03 01:44:54,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 245.43ms. Allocated memory is still 136.3MB. Free memory was 77.5MB in the beginning and 54.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-03 01:44:54,781 INFO L158 Benchmark]: Boogie Preprocessor took 307.30ms. Allocated memory is still 136.3MB. Free memory was 54.5MB in the beginning and 94.3MB in the end (delta: -39.8MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2022-11-03 01:44:54,782 INFO L158 Benchmark]: RCFGBuilder took 8422.48ms. Allocated memory was 136.3MB in the beginning and 580.9MB in the end (delta: 444.6MB). Free memory was 93.8MB in the beginning and 259.3MB in the end (delta: -165.5MB). Peak memory consumption was 361.5MB. Max. memory is 16.1GB. [2022-11-03 01:44:54,782 INFO L158 Benchmark]: TraceAbstraction took 95861.79ms. Allocated memory was 580.9MB in the beginning and 2.5GB in the end (delta: 1.9GB). Free memory was 258.3MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-11-03 01:44:54,783 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 2.5GB. Free memory is still 2.0GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:44:54,786 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 88.1MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 938.83ms. Allocated memory is still 136.3MB. Free memory was 99.9MB in the beginning and 77.5MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 245.43ms. Allocated memory is still 136.3MB. Free memory was 77.5MB in the beginning and 54.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 307.30ms. Allocated memory is still 136.3MB. Free memory was 54.5MB in the beginning and 94.3MB in the end (delta: -39.8MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * RCFGBuilder took 8422.48ms. Allocated memory was 136.3MB in the beginning and 580.9MB in the end (delta: 444.6MB). Free memory was 93.8MB in the beginning and 259.3MB in the end (delta: -165.5MB). Peak memory consumption was 361.5MB. Max. memory is 16.1GB. * TraceAbstraction took 95861.79ms. Allocated memory was 580.9MB in the beginning and 2.5GB in the end (delta: 1.9GB). Free memory was 258.3MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 2.5GB. Free memory is still 2.0GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 583, overapproximation of bitwiseComplement at line 208, overapproximation of bitwiseAnd at line 211. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 64); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (64 - 1); [L31] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 7); [L32] const SORT_11 msb_SORT_11 = (SORT_11)1 << (7 - 1); [L34] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 6); [L35] const SORT_13 msb_SORT_13 = (SORT_13)1 << (6 - 1); [L37] const SORT_19 mask_SORT_19 = (SORT_19)-1 >> (sizeof(SORT_19) * 8 - 5); [L38] const SORT_19 msb_SORT_19 = (SORT_19)1 << (5 - 1); [L40] const SORT_100 mask_SORT_100 = (SORT_100)-1 >> (sizeof(SORT_100) * 8 - 4); [L41] const SORT_100 msb_SORT_100 = (SORT_100)1 << (4 - 1); [L43] const SORT_141 mask_SORT_141 = (SORT_141)-1 >> (sizeof(SORT_141) * 8 - 3); [L44] const SORT_141 msb_SORT_141 = (SORT_141)1 << (3 - 1); [L46] const SORT_162 mask_SORT_162 = (SORT_162)-1 >> (sizeof(SORT_162) * 8 - 2); [L47] const SORT_162 msb_SORT_162 = (SORT_162)1 << (2 - 1); [L49] const SORT_13 var_15 = 32; [L50] const SORT_19 var_20 = 31; [L51] const SORT_19 var_25 = 30; [L52] const SORT_19 var_30 = 29; [L53] const SORT_19 var_35 = 28; [L54] const SORT_19 var_40 = 27; [L55] const SORT_19 var_45 = 26; [L56] const SORT_19 var_50 = 25; [L57] const SORT_19 var_55 = 24; [L58] const SORT_19 var_60 = 23; [L59] const SORT_19 var_65 = 22; [L60] const SORT_19 var_70 = 21; [L61] const SORT_19 var_75 = 20; [L62] const SORT_19 var_80 = 19; [L63] const SORT_19 var_85 = 18; [L64] const SORT_19 var_90 = 17; [L65] const SORT_19 var_95 = 16; [L66] const SORT_100 var_101 = 15; [L67] const SORT_100 var_106 = 14; [L68] const SORT_100 var_111 = 13; [L69] const SORT_100 var_116 = 12; [L70] const SORT_100 var_121 = 11; [L71] const SORT_100 var_126 = 10; [L72] const SORT_100 var_131 = 9; [L73] const SORT_100 var_136 = 8; [L74] const SORT_141 var_142 = 7; [L75] const SORT_141 var_147 = 6; [L76] const SORT_141 var_152 = 5; [L77] const SORT_141 var_157 = 4; [L78] const SORT_162 var_163 = 3; [L79] const SORT_162 var_168 = 2; [L80] const SORT_1 var_173 = 1; [L81] const SORT_13 var_186 = 33; [L82] const SORT_11 var_203 = 0; [L83] const SORT_1 var_233 = 0; [L84] const SORT_3 var_582 = 0; [L86] SORT_1 input_2; [L87] SORT_3 input_4; [L88] SORT_1 input_5; [L89] SORT_1 input_6; [L90] SORT_1 input_7; [L91] SORT_1 input_8; [L92] SORT_3 input_9; [L93] SORT_1 input_231; [L95] SORT_3 state_10 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L96] SORT_11 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L97] SORT_3 state_18 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L98] SORT_3 state_24 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L99] SORT_3 state_29 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L100] SORT_3 state_34 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L101] SORT_3 state_39 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L102] SORT_3 state_44 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L103] SORT_3 state_49 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L104] SORT_3 state_54 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L105] SORT_3 state_59 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L106] SORT_3 state_64 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L107] SORT_3 state_69 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L108] SORT_3 state_74 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L109] SORT_3 state_79 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L110] SORT_3 state_84 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L111] SORT_3 state_89 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L112] SORT_3 state_94 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L113] SORT_3 state_99 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L114] SORT_3 state_105 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L115] SORT_3 state_110 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L116] SORT_3 state_115 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L117] SORT_3 state_120 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L118] SORT_3 state_125 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L119] SORT_3 state_130 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L120] SORT_3 state_135 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L121] SORT_3 state_140 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L122] SORT_3 state_146 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L123] SORT_3 state_151 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L124] SORT_3 state_156 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L125] SORT_3 state_161 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L126] SORT_3 state_167 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L127] SORT_3 state_172 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L128] SORT_3 state_177 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L129] SORT_11 state_182 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L130] SORT_1 state_190 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] SORT_1 state_191 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] SORT_11 state_194 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L133] SORT_3 state_209 = __VERIFIER_nondet_ulong() & mask_SORT_3; [L134] SORT_1 state_213 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] SORT_11 state_282 = __VERIFIER_nondet_uchar() & mask_SORT_11; [L137] SORT_1 init_214_arg_1 = var_173; [L138] state_213 = init_214_arg_1 VAL [init_214_arg_1=1, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=18446744073709551615, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=9223372036854775808, state_10=9223372036854775855, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=9223372036854775825, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=1, state_191=1, state_194=255, state_209=0, state_213=1, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=9223372036854775841, state_54=0, state_59=0, state_64=0, state_69=0, state_74=9223372036854775846, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_20=31, var_203=0, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L141] input_2 = __VERIFIER_nondet_uchar() [L142] input_4 = __VERIFIER_nondet_ulong() [L143] input_5 = __VERIFIER_nondet_uchar() [L144] input_6 = __VERIFIER_nondet_uchar() [L145] input_7 = __VERIFIER_nondet_uchar() [L146] input_7 = input_7 & mask_SORT_1 [L147] input_8 = __VERIFIER_nondet_uchar() [L148] input_9 = __VERIFIER_nondet_ulong() [L149] input_231 = __VERIFIER_nondet_uchar() [L151] SORT_1 var_215_arg_0 = input_7; [L152] SORT_1 var_215_arg_1 = state_213; [L153] SORT_1 var_215 = var_215_arg_0 == var_215_arg_1; [L154] SORT_1 var_216_arg_0 = var_173; [L155] SORT_1 var_216 = ~var_216_arg_0; [L156] SORT_1 var_217_arg_0 = var_215; [L157] SORT_1 var_217_arg_1 = var_216; [L158] SORT_1 var_217 = var_217_arg_0 | var_217_arg_1; [L159] var_217 = var_217 & mask_SORT_1 [L160] SORT_1 constr_218_arg_0 = var_217; VAL [constr_218_arg_0=1, init_214_arg_1=1, input_2=43, input_231=1, input_4=0, input_5=6, input_6=1, input_7=0, input_8=1, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=18446744073709551615, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=9223372036854775808, state_10=9223372036854775855, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=9223372036854775825, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=1, state_191=1, state_194=255, state_209=0, state_213=1, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=9223372036854775841, state_54=0, state_59=0, state_64=0, state_69=0, state_74=9223372036854775846, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_20=31, var_203=0, var_215=0, var_215_arg_0=0, var_215_arg_1=1, var_216=1, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=1, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L161] CALL assume_abort_if_not(constr_218_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L161] RET assume_abort_if_not(constr_218_arg_0) VAL [constr_218_arg_0=1, init_214_arg_1=1, input_2=43, input_231=1, input_4=0, input_5=6, input_6=1, input_7=0, input_8=1, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=18446744073709551615, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=9223372036854775808, state_10=9223372036854775855, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=9223372036854775825, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=1, state_191=1, state_194=255, state_209=0, state_213=1, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=9223372036854775841, state_54=0, state_59=0, state_64=0, state_69=0, state_74=9223372036854775846, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_20=31, var_203=0, var_215=0, var_215_arg_0=0, var_215_arg_1=1, var_216=1, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=1, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L162] SORT_13 var_187_arg_0 = var_186; [L163] var_187_arg_0 = var_187_arg_0 & mask_SORT_13 [L164] SORT_11 var_187 = var_187_arg_0; [L165] SORT_11 var_188_arg_0 = state_182; [L166] SORT_11 var_188_arg_1 = var_187; [L167] SORT_1 var_188 = var_188_arg_0 == var_188_arg_1; [L168] SORT_1 var_219_arg_0 = var_188; [L169] SORT_1 var_219 = ~var_219_arg_0; [L170] SORT_1 var_220_arg_0 = input_6; [L171] SORT_1 var_220 = ~var_220_arg_0; [L172] SORT_1 var_221_arg_0 = var_219; [L173] SORT_1 var_221_arg_1 = var_220; [L174] SORT_1 var_221 = var_221_arg_0 | var_221_arg_1; [L175] SORT_1 var_222_arg_0 = var_173; [L176] SORT_1 var_222 = ~var_222_arg_0; [L177] SORT_1 var_223_arg_0 = var_221; [L178] SORT_1 var_223_arg_1 = var_222; [L179] SORT_1 var_223 = var_223_arg_0 | var_223_arg_1; [L180] var_223 = var_223 & mask_SORT_1 [L181] SORT_1 constr_224_arg_0 = var_223; VAL [constr_218_arg_0=1, constr_224_arg_0=1, init_214_arg_1=1, input_2=43, input_231=1, input_4=0, input_5=6, input_6=1, input_7=0, input_8=1, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=18446744073709551615, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=9223372036854775808, state_10=9223372036854775855, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=9223372036854775825, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=1, state_191=1, state_194=255, state_209=0, state_213=1, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=9223372036854775841, state_54=0, state_59=0, state_64=0, state_69=0, state_74=9223372036854775846, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_187=0, var_187_arg_0=0, var_188=1, var_188_arg_0=0, var_188_arg_1=0, var_20=31, var_203=0, var_215=0, var_215_arg_0=0, var_215_arg_1=1, var_216=1, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=1, var_219=48, var_219_arg_0=1, var_220=0, var_220_arg_0=1, var_221=0, var_221_arg_0=48, var_221_arg_1=0, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=1, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L182] CALL assume_abort_if_not(constr_224_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L182] RET assume_abort_if_not(constr_224_arg_0) VAL [constr_218_arg_0=1, constr_224_arg_0=1, init_214_arg_1=1, input_2=43, input_231=1, input_4=0, input_5=6, input_6=1, input_7=0, input_8=1, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=18446744073709551615, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=9223372036854775808, state_10=9223372036854775855, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=9223372036854775825, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=1, state_191=1, state_194=255, state_209=0, state_213=1, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=9223372036854775841, state_54=0, state_59=0, state_64=0, state_69=0, state_74=9223372036854775846, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_186=33, var_187=0, var_187_arg_0=0, var_188=1, var_188_arg_0=0, var_188_arg_1=0, var_20=31, var_203=0, var_215=0, var_215_arg_0=0, var_215_arg_1=1, var_216=1, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=1, var_219=48, var_219_arg_0=1, var_220=0, var_220_arg_0=1, var_221=0, var_221_arg_0=48, var_221_arg_1=0, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=1, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L183] SORT_11 var_183_arg_0 = state_182; [L184] SORT_1 var_183 = var_183_arg_0 != 0; [L185] SORT_1 var_184_arg_0 = var_183; [L186] SORT_1 var_184 = ~var_184_arg_0; [L187] SORT_1 var_225_arg_0 = var_184; [L188] SORT_1 var_225 = ~var_225_arg_0; [L189] SORT_1 var_226_arg_0 = input_5; [L190] SORT_1 var_226 = ~var_226_arg_0; [L191] SORT_1 var_227_arg_0 = var_225; [L192] SORT_1 var_227_arg_1 = var_226; [L193] SORT_1 var_227 = var_227_arg_0 | var_227_arg_1; [L194] SORT_1 var_228_arg_0 = var_173; [L195] SORT_1 var_228 = ~var_228_arg_0; [L196] SORT_1 var_229_arg_0 = var_227; [L197] SORT_1 var_229_arg_1 = var_228; [L198] SORT_1 var_229 = var_229_arg_0 | var_229_arg_1; [L199] var_229 = var_229 & mask_SORT_1 [L200] SORT_1 constr_230_arg_0 = var_229; VAL [constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=43, input_231=1, input_4=0, input_5=6, input_6=1, input_7=0, input_8=1, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=18446744073709551615, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=9223372036854775808, state_10=9223372036854775855, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=9223372036854775825, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=1, state_191=1, state_194=255, state_209=0, state_213=1, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=9223372036854775841, state_54=0, state_59=0, state_64=0, state_69=0, state_74=9223372036854775846, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_183=0, var_183_arg_0=0, var_184=28, var_184_arg_0=0, var_186=33, var_187=0, var_187_arg_0=0, var_188=1, var_188_arg_0=0, var_188_arg_1=0, var_20=31, var_203=0, var_215=0, var_215_arg_0=0, var_215_arg_1=1, var_216=1, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=1, var_219=48, var_219_arg_0=1, var_220=0, var_220_arg_0=1, var_221=0, var_221_arg_0=48, var_221_arg_1=0, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=1, var_225=1, var_225_arg_0=28, var_226=1, var_226_arg_0=6, var_227=1, var_227_arg_0=1, var_227_arg_1=1, var_228=2, var_228_arg_0=1, var_229=1, var_229_arg_0=1, var_229_arg_1=2, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L201] CALL assume_abort_if_not(constr_230_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L201] RET assume_abort_if_not(constr_230_arg_0) VAL [constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=43, input_231=1, input_4=0, input_5=6, input_6=1, input_7=0, input_8=1, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=18446744073709551615, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=9223372036854775808, state_10=9223372036854775855, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=9223372036854775825, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=0, state_190=1, state_191=1, state_194=255, state_209=0, state_213=1, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=9223372036854775841, state_54=0, state_59=0, state_64=0, state_69=0, state_74=9223372036854775846, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_106=14, var_111=13, var_116=12, var_121=11, var_126=10, var_131=9, var_136=8, var_142=7, var_147=6, var_15=32, var_152=5, var_157=4, var_163=3, var_168=2, var_173=1, var_183=0, var_183_arg_0=0, var_184=28, var_184_arg_0=0, var_186=33, var_187=0, var_187_arg_0=0, var_188=1, var_188_arg_0=0, var_188_arg_1=0, var_20=31, var_203=0, var_215=0, var_215_arg_0=0, var_215_arg_1=1, var_216=1, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=1, var_219=48, var_219_arg_0=1, var_220=0, var_220_arg_0=1, var_221=0, var_221_arg_0=48, var_221_arg_1=0, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=1, var_225=1, var_225_arg_0=28, var_226=1, var_226_arg_0=6, var_227=1, var_227_arg_0=1, var_227_arg_1=1, var_228=2, var_228_arg_0=1, var_229=1, var_229_arg_0=1, var_229_arg_1=2, var_233=0, var_25=30, var_30=29, var_35=28, var_40=27, var_45=26, var_50=25, var_55=24, var_582=0, var_60=23, var_65=22, var_70=21, var_75=20, var_80=19, var_85=18, var_90=17, var_95=16] [L203] SORT_1 var_234_arg_0 = state_213; [L204] SORT_1 var_234_arg_1 = var_233; [L205] SORT_1 var_234_arg_2 = var_173; [L206] EXPR var_234_arg_0 ? var_234_arg_1 : var_234_arg_2 [L206] SORT_1 var_234 = var_234_arg_0 ? var_234_arg_1 : var_234_arg_2; [L207] SORT_1 var_192_arg_0 = state_191; [L208] SORT_1 var_192 = ~var_192_arg_0; [L209] SORT_1 var_193_arg_0 = state_190; [L210] SORT_1 var_193_arg_1 = var_192; [L211] SORT_1 var_193 = var_193_arg_0 & var_193_arg_1; [L212] SORT_11 var_195_arg_0 = state_194; [L213] SORT_1 var_195 = var_195_arg_0 != 0; [L214] SORT_1 var_196_arg_0 = var_193; [L215] SORT_1 var_196_arg_1 = var_195; [L216] SORT_1 var_196 = var_196_arg_0 & var_196_arg_1; [L217] SORT_1 var_197_arg_0 = state_190; [L218] SORT_1 var_197 = ~var_197_arg_0; [L219] SORT_1 var_198_arg_0 = input_6; [L220] SORT_1 var_198_arg_1 = var_197; [L221] SORT_1 var_198 = var_198_arg_0 & var_198_arg_1; [L222] SORT_1 var_199_arg_0 = var_198; [L223] var_199_arg_0 = var_199_arg_0 & mask_SORT_1 [L224] SORT_11 var_199 = var_199_arg_0; [L225] SORT_11 var_200_arg_0 = state_194; [L226] SORT_11 var_200_arg_1 = var_199; [L227] SORT_11 var_200 = var_200_arg_0 + var_200_arg_1; [L228] SORT_1 var_201_arg_0 = input_5; [L229] var_201_arg_0 = var_201_arg_0 & mask_SORT_1 [L230] SORT_11 var_201 = var_201_arg_0; [L231] SORT_11 var_202_arg_0 = var_200; [L232] SORT_11 var_202_arg_1 = var_201; [L233] SORT_11 var_202 = var_202_arg_0 - var_202_arg_1; [L234] SORT_1 var_204_arg_0 = input_7; [L235] SORT_11 var_204_arg_1 = var_203; [L236] SORT_11 var_204_arg_2 = var_202; [L237] EXPR var_204_arg_0 ? var_204_arg_1 : var_204_arg_2 [L237] SORT_11 var_204 = var_204_arg_0 ? var_204_arg_1 : var_204_arg_2; [L238] var_204 = var_204 & mask_SORT_11 [L239] SORT_11 var_205_arg_0 = var_204; [L240] SORT_1 var_205 = var_205_arg_0 != 0; [L241] SORT_1 var_206_arg_0 = var_205; [L242] SORT_1 var_206 = ~var_206_arg_0; [L243] SORT_1 var_207_arg_0 = var_196; [L244] SORT_1 var_207_arg_1 = var_206; [L245] SORT_1 var_207 = var_207_arg_0 & var_207_arg_1; [L246] SORT_1 var_208_arg_0 = var_207; [L247] SORT_1 var_208 = ~var_208_arg_0; [L248] SORT_11 var_14_arg_0 = state_12; [L249] SORT_13 var_14 = var_14_arg_0 >> 0; [L250] var_14 = var_14 & mask_SORT_13 [L251] SORT_13 var_178_arg_0 = var_14; [L252] SORT_1 var_178 = var_178_arg_0 != 0; [L253] SORT_1 var_179_arg_0 = var_178; [L254] SORT_1 var_179 = ~var_179_arg_0; [L255] var_179 = var_179 & mask_SORT_1 [L256] SORT_1 var_174_arg_0 = var_173; [L257] var_174_arg_0 = var_174_arg_0 & mask_SORT_1 [L258] SORT_13 var_174 = var_174_arg_0; [L259] SORT_13 var_175_arg_0 = var_14; [L260] SORT_13 var_175_arg_1 = var_174; [L261] SORT_1 var_175 = var_175_arg_0 == var_175_arg_1; [L262] SORT_162 var_169_arg_0 = var_168; [L263] var_169_arg_0 = var_169_arg_0 & mask_SORT_162 [L264] SORT_13 var_169 = var_169_arg_0; [L265] SORT_13 var_170_arg_0 = var_14; [L266] SORT_13 var_170_arg_1 = var_169; [L267] SORT_1 var_170 = var_170_arg_0 == var_170_arg_1; [L268] SORT_162 var_164_arg_0 = var_163; [L269] var_164_arg_0 = var_164_arg_0 & mask_SORT_162 [L270] SORT_13 var_164 = var_164_arg_0; [L271] SORT_13 var_165_arg_0 = var_14; [L272] SORT_13 var_165_arg_1 = var_164; [L273] SORT_1 var_165 = var_165_arg_0 == var_165_arg_1; [L274] SORT_141 var_158_arg_0 = var_157; [L275] var_158_arg_0 = var_158_arg_0 & mask_SORT_141 [L276] SORT_13 var_158 = var_158_arg_0; [L277] SORT_13 var_159_arg_0 = var_14; [L278] SORT_13 var_159_arg_1 = var_158; [L279] SORT_1 var_159 = var_159_arg_0 == var_159_arg_1; [L280] SORT_141 var_153_arg_0 = var_152; [L281] var_153_arg_0 = var_153_arg_0 & mask_SORT_141 [L282] SORT_13 var_153 = var_153_arg_0; [L283] SORT_13 var_154_arg_0 = var_14; [L284] SORT_13 var_154_arg_1 = var_153; [L285] SORT_1 var_154 = var_154_arg_0 == var_154_arg_1; [L286] SORT_141 var_148_arg_0 = var_147; [L287] var_148_arg_0 = var_148_arg_0 & mask_SORT_141 [L288] SORT_13 var_148 = var_148_arg_0; [L289] SORT_13 var_149_arg_0 = var_14; [L290] SORT_13 var_149_arg_1 = var_148; [L291] SORT_1 var_149 = var_149_arg_0 == var_149_arg_1; [L292] SORT_141 var_143_arg_0 = var_142; [L293] var_143_arg_0 = var_143_arg_0 & mask_SORT_141 [L294] SORT_13 var_143 = var_143_arg_0; [L295] SORT_13 var_144_arg_0 = var_14; [L296] SORT_13 var_144_arg_1 = var_143; [L297] SORT_1 var_144 = var_144_arg_0 == var_144_arg_1; [L298] SORT_100 var_137_arg_0 = var_136; [L299] var_137_arg_0 = var_137_arg_0 & mask_SORT_100 [L300] SORT_13 var_137 = var_137_arg_0; [L301] SORT_13 var_138_arg_0 = var_14; [L302] SORT_13 var_138_arg_1 = var_137; [L303] SORT_1 var_138 = var_138_arg_0 == var_138_arg_1; [L304] SORT_100 var_132_arg_0 = var_131; [L305] var_132_arg_0 = var_132_arg_0 & mask_SORT_100 [L306] SORT_13 var_132 = var_132_arg_0; [L307] SORT_13 var_133_arg_0 = var_14; [L308] SORT_13 var_133_arg_1 = var_132; [L309] SORT_1 var_133 = var_133_arg_0 == var_133_arg_1; [L310] SORT_100 var_127_arg_0 = var_126; [L311] var_127_arg_0 = var_127_arg_0 & mask_SORT_100 [L312] SORT_13 var_127 = var_127_arg_0; [L313] SORT_13 var_128_arg_0 = var_14; [L314] SORT_13 var_128_arg_1 = var_127; [L315] SORT_1 var_128 = var_128_arg_0 == var_128_arg_1; [L316] SORT_100 var_122_arg_0 = var_121; [L317] var_122_arg_0 = var_122_arg_0 & mask_SORT_100 [L318] SORT_13 var_122 = var_122_arg_0; [L319] SORT_13 var_123_arg_0 = var_14; [L320] SORT_13 var_123_arg_1 = var_122; [L321] SORT_1 var_123 = var_123_arg_0 == var_123_arg_1; [L322] SORT_100 var_117_arg_0 = var_116; [L323] var_117_arg_0 = var_117_arg_0 & mask_SORT_100 [L324] SORT_13 var_117 = var_117_arg_0; [L325] SORT_13 var_118_arg_0 = var_14; [L326] SORT_13 var_118_arg_1 = var_117; [L327] SORT_1 var_118 = var_118_arg_0 == var_118_arg_1; [L328] SORT_100 var_112_arg_0 = var_111; [L329] var_112_arg_0 = var_112_arg_0 & mask_SORT_100 [L330] SORT_13 var_112 = var_112_arg_0; [L331] SORT_13 var_113_arg_0 = var_14; [L332] SORT_13 var_113_arg_1 = var_112; [L333] SORT_1 var_113 = var_113_arg_0 == var_113_arg_1; [L334] SORT_100 var_107_arg_0 = var_106; [L335] var_107_arg_0 = var_107_arg_0 & mask_SORT_100 [L336] SORT_13 var_107 = var_107_arg_0; [L337] SORT_13 var_108_arg_0 = var_14; [L338] SORT_13 var_108_arg_1 = var_107; [L339] SORT_1 var_108 = var_108_arg_0 == var_108_arg_1; [L340] SORT_100 var_102_arg_0 = var_101; [L341] var_102_arg_0 = var_102_arg_0 & mask_SORT_100 [L342] SORT_13 var_102 = var_102_arg_0; [L343] SORT_13 var_103_arg_0 = var_14; [L344] SORT_13 var_103_arg_1 = var_102; [L345] SORT_1 var_103 = var_103_arg_0 == var_103_arg_1; [L346] SORT_19 var_96_arg_0 = var_95; [L347] var_96_arg_0 = var_96_arg_0 & mask_SORT_19 [L348] SORT_13 var_96 = var_96_arg_0; [L349] SORT_13 var_97_arg_0 = var_14; [L350] SORT_13 var_97_arg_1 = var_96; [L351] SORT_1 var_97 = var_97_arg_0 == var_97_arg_1; [L352] SORT_19 var_91_arg_0 = var_90; [L353] var_91_arg_0 = var_91_arg_0 & mask_SORT_19 [L354] SORT_13 var_91 = var_91_arg_0; [L355] SORT_13 var_92_arg_0 = var_14; [L356] SORT_13 var_92_arg_1 = var_91; [L357] SORT_1 var_92 = var_92_arg_0 == var_92_arg_1; [L358] SORT_19 var_86_arg_0 = var_85; [L359] var_86_arg_0 = var_86_arg_0 & mask_SORT_19 [L360] SORT_13 var_86 = var_86_arg_0; [L361] SORT_13 var_87_arg_0 = var_14; [L362] SORT_13 var_87_arg_1 = var_86; [L363] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L364] SORT_19 var_81_arg_0 = var_80; [L365] var_81_arg_0 = var_81_arg_0 & mask_SORT_19 [L366] SORT_13 var_81 = var_81_arg_0; [L367] SORT_13 var_82_arg_0 = var_14; [L368] SORT_13 var_82_arg_1 = var_81; [L369] SORT_1 var_82 = var_82_arg_0 == var_82_arg_1; [L370] SORT_19 var_76_arg_0 = var_75; [L371] var_76_arg_0 = var_76_arg_0 & mask_SORT_19 [L372] SORT_13 var_76 = var_76_arg_0; [L373] SORT_13 var_77_arg_0 = var_14; [L374] SORT_13 var_77_arg_1 = var_76; [L375] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L376] SORT_19 var_71_arg_0 = var_70; [L377] var_71_arg_0 = var_71_arg_0 & mask_SORT_19 [L378] SORT_13 var_71 = var_71_arg_0; [L379] SORT_13 var_72_arg_0 = var_14; [L380] SORT_13 var_72_arg_1 = var_71; [L381] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L382] SORT_19 var_66_arg_0 = var_65; [L383] var_66_arg_0 = var_66_arg_0 & mask_SORT_19 [L384] SORT_13 var_66 = var_66_arg_0; [L385] SORT_13 var_67_arg_0 = var_14; [L386] SORT_13 var_67_arg_1 = var_66; [L387] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L388] SORT_19 var_61_arg_0 = var_60; [L389] var_61_arg_0 = var_61_arg_0 & mask_SORT_19 [L390] SORT_13 var_61 = var_61_arg_0; [L391] SORT_13 var_62_arg_0 = var_14; [L392] SORT_13 var_62_arg_1 = var_61; [L393] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L394] SORT_19 var_56_arg_0 = var_55; [L395] var_56_arg_0 = var_56_arg_0 & mask_SORT_19 [L396] SORT_13 var_56 = var_56_arg_0; [L397] SORT_13 var_57_arg_0 = var_14; [L398] SORT_13 var_57_arg_1 = var_56; [L399] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L400] SORT_19 var_51_arg_0 = var_50; [L401] var_51_arg_0 = var_51_arg_0 & mask_SORT_19 [L402] SORT_13 var_51 = var_51_arg_0; [L403] SORT_13 var_52_arg_0 = var_14; [L404] SORT_13 var_52_arg_1 = var_51; [L405] SORT_1 var_52 = var_52_arg_0 == var_52_arg_1; [L406] SORT_19 var_46_arg_0 = var_45; [L407] var_46_arg_0 = var_46_arg_0 & mask_SORT_19 [L408] SORT_13 var_46 = var_46_arg_0; [L409] SORT_13 var_47_arg_0 = var_14; [L410] SORT_13 var_47_arg_1 = var_46; [L411] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L412] SORT_19 var_41_arg_0 = var_40; [L413] var_41_arg_0 = var_41_arg_0 & mask_SORT_19 [L414] SORT_13 var_41 = var_41_arg_0; [L415] SORT_13 var_42_arg_0 = var_14; [L416] SORT_13 var_42_arg_1 = var_41; [L417] SORT_1 var_42 = var_42_arg_0 == var_42_arg_1; [L418] SORT_19 var_36_arg_0 = var_35; [L419] var_36_arg_0 = var_36_arg_0 & mask_SORT_19 [L420] SORT_13 var_36 = var_36_arg_0; [L421] SORT_13 var_37_arg_0 = var_14; [L422] SORT_13 var_37_arg_1 = var_36; [L423] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L424] SORT_19 var_31_arg_0 = var_30; [L425] var_31_arg_0 = var_31_arg_0 & mask_SORT_19 [L426] SORT_13 var_31 = var_31_arg_0; [L427] SORT_13 var_32_arg_0 = var_14; [L428] SORT_13 var_32_arg_1 = var_31; [L429] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L430] SORT_19 var_26_arg_0 = var_25; [L431] var_26_arg_0 = var_26_arg_0 & mask_SORT_19 [L432] SORT_13 var_26 = var_26_arg_0; [L433] SORT_13 var_27_arg_0 = var_14; [L434] SORT_13 var_27_arg_1 = var_26; [L435] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L436] SORT_19 var_21_arg_0 = var_20; [L437] var_21_arg_0 = var_21_arg_0 & mask_SORT_19 [L438] SORT_13 var_21 = var_21_arg_0; [L439] SORT_13 var_22_arg_0 = var_14; [L440] SORT_13 var_22_arg_1 = var_21; [L441] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L442] SORT_13 var_16_arg_0 = var_14; [L443] SORT_13 var_16_arg_1 = var_15; [L444] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L445] SORT_1 var_17_arg_0 = var_16; [L446] SORT_3 var_17_arg_1 = state_10; [L447] SORT_3 var_17_arg_2 = input_9; [L448] EXPR var_17_arg_0 ? var_17_arg_1 : var_17_arg_2 [L448] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L449] SORT_1 var_23_arg_0 = var_22; [L450] SORT_3 var_23_arg_1 = state_18; [L451] SORT_3 var_23_arg_2 = var_17; [L452] EXPR var_23_arg_0 ? var_23_arg_1 : var_23_arg_2 [L452] SORT_3 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L453] SORT_1 var_28_arg_0 = var_27; [L454] SORT_3 var_28_arg_1 = state_24; [L455] SORT_3 var_28_arg_2 = var_23; [L456] EXPR var_28_arg_0 ? var_28_arg_1 : var_28_arg_2 [L456] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L457] SORT_1 var_33_arg_0 = var_32; [L458] SORT_3 var_33_arg_1 = state_29; [L459] SORT_3 var_33_arg_2 = var_28; [L460] EXPR var_33_arg_0 ? var_33_arg_1 : var_33_arg_2 [L460] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L461] SORT_1 var_38_arg_0 = var_37; [L462] SORT_3 var_38_arg_1 = state_34; [L463] SORT_3 var_38_arg_2 = var_33; [L464] EXPR var_38_arg_0 ? var_38_arg_1 : var_38_arg_2 [L464] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L465] SORT_1 var_43_arg_0 = var_42; [L466] SORT_3 var_43_arg_1 = state_39; [L467] SORT_3 var_43_arg_2 = var_38; [L468] EXPR var_43_arg_0 ? var_43_arg_1 : var_43_arg_2 [L468] SORT_3 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L469] SORT_1 var_48_arg_0 = var_47; [L470] SORT_3 var_48_arg_1 = state_44; [L471] SORT_3 var_48_arg_2 = var_43; [L472] EXPR var_48_arg_0 ? var_48_arg_1 : var_48_arg_2 [L472] SORT_3 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L473] SORT_1 var_53_arg_0 = var_52; [L474] SORT_3 var_53_arg_1 = state_49; [L475] SORT_3 var_53_arg_2 = var_48; [L476] EXPR var_53_arg_0 ? var_53_arg_1 : var_53_arg_2 [L476] SORT_3 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L477] SORT_1 var_58_arg_0 = var_57; [L478] SORT_3 var_58_arg_1 = state_54; [L479] SORT_3 var_58_arg_2 = var_53; [L480] EXPR var_58_arg_0 ? var_58_arg_1 : var_58_arg_2 [L480] SORT_3 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L481] SORT_1 var_63_arg_0 = var_62; [L482] SORT_3 var_63_arg_1 = state_59; [L483] SORT_3 var_63_arg_2 = var_58; [L484] EXPR var_63_arg_0 ? var_63_arg_1 : var_63_arg_2 [L484] SORT_3 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L485] SORT_1 var_68_arg_0 = var_67; [L486] SORT_3 var_68_arg_1 = state_64; [L487] SORT_3 var_68_arg_2 = var_63; [L488] EXPR var_68_arg_0 ? var_68_arg_1 : var_68_arg_2 [L488] SORT_3 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L489] SORT_1 var_73_arg_0 = var_72; [L490] SORT_3 var_73_arg_1 = state_69; [L491] SORT_3 var_73_arg_2 = var_68; [L492] EXPR var_73_arg_0 ? var_73_arg_1 : var_73_arg_2 [L492] SORT_3 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L493] SORT_1 var_78_arg_0 = var_77; [L494] SORT_3 var_78_arg_1 = state_74; [L495] SORT_3 var_78_arg_2 = var_73; [L496] EXPR var_78_arg_0 ? var_78_arg_1 : var_78_arg_2 [L496] SORT_3 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L497] SORT_1 var_83_arg_0 = var_82; [L498] SORT_3 var_83_arg_1 = state_79; [L499] SORT_3 var_83_arg_2 = var_78; [L500] EXPR var_83_arg_0 ? var_83_arg_1 : var_83_arg_2 [L500] SORT_3 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L501] SORT_1 var_88_arg_0 = var_87; [L502] SORT_3 var_88_arg_1 = state_84; [L503] SORT_3 var_88_arg_2 = var_83; [L504] EXPR var_88_arg_0 ? var_88_arg_1 : var_88_arg_2 [L504] SORT_3 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L505] SORT_1 var_93_arg_0 = var_92; [L506] SORT_3 var_93_arg_1 = state_89; [L507] SORT_3 var_93_arg_2 = var_88; [L508] EXPR var_93_arg_0 ? var_93_arg_1 : var_93_arg_2 [L508] SORT_3 var_93 = var_93_arg_0 ? var_93_arg_1 : var_93_arg_2; [L509] SORT_1 var_98_arg_0 = var_97; [L510] SORT_3 var_98_arg_1 = state_94; [L511] SORT_3 var_98_arg_2 = var_93; [L512] EXPR var_98_arg_0 ? var_98_arg_1 : var_98_arg_2 [L512] SORT_3 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L513] SORT_1 var_104_arg_0 = var_103; [L514] SORT_3 var_104_arg_1 = state_99; [L515] SORT_3 var_104_arg_2 = var_98; [L516] EXPR var_104_arg_0 ? var_104_arg_1 : var_104_arg_2 [L516] SORT_3 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L517] SORT_1 var_109_arg_0 = var_108; [L518] SORT_3 var_109_arg_1 = state_105; [L519] SORT_3 var_109_arg_2 = var_104; [L520] EXPR var_109_arg_0 ? var_109_arg_1 : var_109_arg_2 [L520] SORT_3 var_109 = var_109_arg_0 ? var_109_arg_1 : var_109_arg_2; [L521] SORT_1 var_114_arg_0 = var_113; [L522] SORT_3 var_114_arg_1 = state_110; [L523] SORT_3 var_114_arg_2 = var_109; [L524] EXPR var_114_arg_0 ? var_114_arg_1 : var_114_arg_2 [L524] SORT_3 var_114 = var_114_arg_0 ? var_114_arg_1 : var_114_arg_2; [L525] SORT_1 var_119_arg_0 = var_118; [L526] SORT_3 var_119_arg_1 = state_115; [L527] SORT_3 var_119_arg_2 = var_114; [L528] EXPR var_119_arg_0 ? var_119_arg_1 : var_119_arg_2 [L528] SORT_3 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L529] SORT_1 var_124_arg_0 = var_123; [L530] SORT_3 var_124_arg_1 = state_120; [L531] SORT_3 var_124_arg_2 = var_119; [L532] EXPR var_124_arg_0 ? var_124_arg_1 : var_124_arg_2 [L532] SORT_3 var_124 = var_124_arg_0 ? var_124_arg_1 : var_124_arg_2; [L533] SORT_1 var_129_arg_0 = var_128; [L534] SORT_3 var_129_arg_1 = state_125; [L535] SORT_3 var_129_arg_2 = var_124; [L536] EXPR var_129_arg_0 ? var_129_arg_1 : var_129_arg_2 [L536] SORT_3 var_129 = var_129_arg_0 ? var_129_arg_1 : var_129_arg_2; [L537] SORT_1 var_134_arg_0 = var_133; [L538] SORT_3 var_134_arg_1 = state_130; [L539] SORT_3 var_134_arg_2 = var_129; [L540] EXPR var_134_arg_0 ? var_134_arg_1 : var_134_arg_2 [L540] SORT_3 var_134 = var_134_arg_0 ? var_134_arg_1 : var_134_arg_2; [L541] SORT_1 var_139_arg_0 = var_138; [L542] SORT_3 var_139_arg_1 = state_135; [L543] SORT_3 var_139_arg_2 = var_134; [L544] EXPR var_139_arg_0 ? var_139_arg_1 : var_139_arg_2 [L544] SORT_3 var_139 = var_139_arg_0 ? var_139_arg_1 : var_139_arg_2; [L545] SORT_1 var_145_arg_0 = var_144; [L546] SORT_3 var_145_arg_1 = state_140; [L547] SORT_3 var_145_arg_2 = var_139; [L548] EXPR var_145_arg_0 ? var_145_arg_1 : var_145_arg_2 [L548] SORT_3 var_145 = var_145_arg_0 ? var_145_arg_1 : var_145_arg_2; [L549] SORT_1 var_150_arg_0 = var_149; [L550] SORT_3 var_150_arg_1 = state_146; [L551] SORT_3 var_150_arg_2 = var_145; [L552] EXPR var_150_arg_0 ? var_150_arg_1 : var_150_arg_2 [L552] SORT_3 var_150 = var_150_arg_0 ? var_150_arg_1 : var_150_arg_2; [L553] SORT_1 var_155_arg_0 = var_154; [L554] SORT_3 var_155_arg_1 = state_151; [L555] SORT_3 var_155_arg_2 = var_150; [L556] EXPR var_155_arg_0 ? var_155_arg_1 : var_155_arg_2 [L556] SORT_3 var_155 = var_155_arg_0 ? var_155_arg_1 : var_155_arg_2; [L557] SORT_1 var_160_arg_0 = var_159; [L558] SORT_3 var_160_arg_1 = state_156; [L559] SORT_3 var_160_arg_2 = var_155; [L560] EXPR var_160_arg_0 ? var_160_arg_1 : var_160_arg_2 [L560] SORT_3 var_160 = var_160_arg_0 ? var_160_arg_1 : var_160_arg_2; [L561] SORT_1 var_166_arg_0 = var_165; [L562] SORT_3 var_166_arg_1 = state_161; [L563] SORT_3 var_166_arg_2 = var_160; [L564] EXPR var_166_arg_0 ? var_166_arg_1 : var_166_arg_2 [L564] SORT_3 var_166 = var_166_arg_0 ? var_166_arg_1 : var_166_arg_2; [L565] SORT_1 var_171_arg_0 = var_170; [L566] SORT_3 var_171_arg_1 = state_167; [L567] SORT_3 var_171_arg_2 = var_166; [L568] EXPR var_171_arg_0 ? var_171_arg_1 : var_171_arg_2 [L568] SORT_3 var_171 = var_171_arg_0 ? var_171_arg_1 : var_171_arg_2; [L569] SORT_1 var_176_arg_0 = var_175; [L570] SORT_3 var_176_arg_1 = state_172; [L571] SORT_3 var_176_arg_2 = var_171; [L572] EXPR var_176_arg_0 ? var_176_arg_1 : var_176_arg_2 [L572] SORT_3 var_176 = var_176_arg_0 ? var_176_arg_1 : var_176_arg_2; [L573] SORT_1 var_180_arg_0 = var_179; [L574] SORT_3 var_180_arg_1 = state_177; [L575] SORT_3 var_180_arg_2 = var_176; [L576] EXPR var_180_arg_0 ? var_180_arg_1 : var_180_arg_2 [L576] SORT_3 var_180 = var_180_arg_0 ? var_180_arg_1 : var_180_arg_2; [L577] var_180 = var_180 & mask_SORT_3 [L578] SORT_3 var_210_arg_0 = state_209; [L579] SORT_3 var_210_arg_1 = var_180; [L580] SORT_1 var_210 = var_210_arg_0 == var_210_arg_1; [L581] SORT_1 var_211_arg_0 = var_208; [L582] SORT_1 var_211_arg_1 = var_210; [L583] SORT_1 var_211 = var_211_arg_0 | var_211_arg_1; [L584] SORT_1 var_232_arg_0 = state_213; [L585] SORT_1 var_232_arg_1 = input_231; [L586] SORT_1 var_232_arg_2 = var_211; [L587] EXPR var_232_arg_0 ? var_232_arg_1 : var_232_arg_2 [L587] SORT_1 var_232 = var_232_arg_0 ? var_232_arg_1 : var_232_arg_2; [L588] SORT_1 var_235_arg_0 = var_232; [L589] SORT_1 var_235 = ~var_235_arg_0; [L590] SORT_1 var_236_arg_0 = var_234; [L591] SORT_1 var_236_arg_1 = var_235; [L592] SORT_1 var_236 = var_236_arg_0 & var_236_arg_1; [L593] var_236 = var_236 & mask_SORT_1 [L594] SORT_1 bad_237_arg_0 = var_236; [L595] CALL __VERIFIER_assert(!(bad_237_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L595] RET __VERIFIER_assert(!(bad_237_arg_0)) [L597] SORT_11 var_283_arg_0 = state_282; [L598] SORT_13 var_283 = var_283_arg_0 >> 0; [L599] var_283 = var_283 & mask_SORT_13 [L600] SORT_13 var_459_arg_0 = var_283; [L601] SORT_13 var_459_arg_1 = var_15; [L602] SORT_1 var_459 = var_459_arg_0 == var_459_arg_1; [L603] SORT_1 var_460_arg_0 = input_6; [L604] SORT_1 var_460_arg_1 = var_459; [L605] SORT_1 var_460 = var_460_arg_0 & var_460_arg_1; [L606] var_460 = var_460 & mask_SORT_1 [L607] SORT_1 var_581_arg_0 = var_460; [L608] SORT_3 var_581_arg_1 = input_4; [L609] SORT_3 var_581_arg_2 = state_10; [L610] EXPR var_581_arg_0 ? var_581_arg_1 : var_581_arg_2 [L610] SORT_3 var_581 = var_581_arg_0 ? var_581_arg_1 : var_581_arg_2; [L611] SORT_1 var_583_arg_0 = input_7; [L612] SORT_3 var_583_arg_1 = var_582; [L613] SORT_3 var_583_arg_2 = var_581; [L614] EXPR var_583_arg_0 ? var_583_arg_1 : var_583_arg_2 [L614] SORT_3 var_583 = var_583_arg_0 ? var_583_arg_1 : var_583_arg_2; [L615] SORT_3 next_584_arg_1 = var_583; [L616] SORT_1 var_241_arg_0 = input_6; [L617] SORT_1 var_241_arg_1 = input_5; [L618] SORT_1 var_241 = var_241_arg_0 | var_241_arg_1; [L619] SORT_1 var_242_arg_0 = var_241; [L620] SORT_1 var_242_arg_1 = input_7; [L621] SORT_1 var_242 = var_242_arg_0 | var_242_arg_1; [L622] var_242 = var_242 & mask_SORT_1 [L623] SORT_1 var_512_arg_0 = input_5; [L624] var_512_arg_0 = var_512_arg_0 & mask_SORT_1 [L625] SORT_11 var_512 = var_512_arg_0; [L626] SORT_11 var_513_arg_0 = state_12; [L627] SORT_11 var_513_arg_1 = var_512; [L628] SORT_11 var_513 = var_513_arg_0 + var_513_arg_1; [L629] SORT_1 var_585_arg_0 = var_242; [L630] SORT_11 var_585_arg_1 = var_513; [L631] SORT_11 var_585_arg_2 = state_12; [L632] EXPR var_585_arg_0 ? var_585_arg_1 : var_585_arg_2 [L632] SORT_11 var_585 = var_585_arg_0 ? var_585_arg_1 : var_585_arg_2; [L633] SORT_1 var_586_arg_0 = input_7; [L634] SORT_11 var_586_arg_1 = var_203; [L635] SORT_11 var_586_arg_2 = var_585; [L636] EXPR var_586_arg_0 ? var_586_arg_1 : var_586_arg_2 [L636] SORT_11 var_586 = var_586_arg_0 ? var_586_arg_1 : var_586_arg_2; [L637] SORT_11 next_587_arg_1 = var_586; [L638] SORT_19 var_452_arg_0 = var_20; [L639] var_452_arg_0 = var_452_arg_0 & mask_SORT_19 [L640] SORT_13 var_452 = var_452_arg_0; [L641] SORT_13 var_453_arg_0 = var_283; [L642] SORT_13 var_453_arg_1 = var_452; [L643] SORT_1 var_453 = var_453_arg_0 == var_453_arg_1; [L644] SORT_1 var_454_arg_0 = input_6; [L645] SORT_1 var_454_arg_1 = var_453; [L646] SORT_1 var_454 = var_454_arg_0 & var_454_arg_1; [L647] var_454 = var_454 & mask_SORT_1 [L648] SORT_1 var_588_arg_0 = var_454; [L649] SORT_3 var_588_arg_1 = input_4; [L650] SORT_3 var_588_arg_2 = state_18; [L651] EXPR var_588_arg_0 ? var_588_arg_1 : var_588_arg_2 [L651] SORT_3 var_588 = var_588_arg_0 ? var_588_arg_1 : var_588_arg_2; [L652] SORT_1 var_589_arg_0 = input_7; [L653] SORT_3 var_589_arg_1 = var_582; [L654] SORT_3 var_589_arg_2 = var_588; [L655] EXPR var_589_arg_0 ? var_589_arg_1 : var_589_arg_2 [L655] SORT_3 var_589 = var_589_arg_0 ? var_589_arg_1 : var_589_arg_2; [L656] SORT_3 next_590_arg_1 = var_589; [L657] SORT_19 var_445_arg_0 = var_25; [L658] var_445_arg_0 = var_445_arg_0 & mask_SORT_19 [L659] SORT_13 var_445 = var_445_arg_0; [L660] SORT_13 var_446_arg_0 = var_283; [L661] SORT_13 var_446_arg_1 = var_445; [L662] SORT_1 var_446 = var_446_arg_0 == var_446_arg_1; [L663] SORT_1 var_447_arg_0 = input_6; [L664] SORT_1 var_447_arg_1 = var_446; [L665] SORT_1 var_447 = var_447_arg_0 & var_447_arg_1; [L666] var_447 = var_447 & mask_SORT_1 [L667] SORT_1 var_591_arg_0 = var_447; [L668] SORT_3 var_591_arg_1 = input_4; [L669] SORT_3 var_591_arg_2 = state_24; [L670] EXPR var_591_arg_0 ? var_591_arg_1 : var_591_arg_2 [L670] SORT_3 var_591 = var_591_arg_0 ? var_591_arg_1 : var_591_arg_2; [L671] SORT_1 var_592_arg_0 = input_7; [L672] SORT_3 var_592_arg_1 = var_582; [L673] SORT_3 var_592_arg_2 = var_591; [L674] EXPR var_592_arg_0 ? var_592_arg_1 : var_592_arg_2 [L674] SORT_3 var_592 = var_592_arg_0 ? var_592_arg_1 : var_592_arg_2; [L675] SORT_3 next_593_arg_1 = var_592; [L676] SORT_19 var_431_arg_0 = var_30; [L677] var_431_arg_0 = var_431_arg_0 & mask_SORT_19 [L678] SORT_13 var_431 = var_431_arg_0; [L679] SORT_13 var_432_arg_0 = var_283; [L680] SORT_13 var_432_arg_1 = var_431; [L681] SORT_1 var_432 = var_432_arg_0 == var_432_arg_1; [L682] SORT_1 var_433_arg_0 = input_6; [L683] SORT_1 var_433_arg_1 = var_432; [L684] SORT_1 var_433 = var_433_arg_0 & var_433_arg_1; [L685] var_433 = var_433 & mask_SORT_1 [L686] SORT_1 var_594_arg_0 = var_433; [L687] SORT_3 var_594_arg_1 = input_4; [L688] SORT_3 var_594_arg_2 = state_29; [L689] EXPR var_594_arg_0 ? var_594_arg_1 : var_594_arg_2 [L689] SORT_3 var_594 = var_594_arg_0 ? var_594_arg_1 : var_594_arg_2; [L690] SORT_1 var_595_arg_0 = input_7; [L691] SORT_3 var_595_arg_1 = var_582; [L692] SORT_3 var_595_arg_2 = var_594; [L693] EXPR var_595_arg_0 ? var_595_arg_1 : var_595_arg_2 [L693] SORT_3 var_595 = var_595_arg_0 ? var_595_arg_1 : var_595_arg_2; [L694] SORT_3 next_596_arg_1 = var_595; [L695] SORT_19 var_424_arg_0 = var_35; [L696] var_424_arg_0 = var_424_arg_0 & mask_SORT_19 [L697] SORT_13 var_424 = var_424_arg_0; [L698] SORT_13 var_425_arg_0 = var_283; [L699] SORT_13 var_425_arg_1 = var_424; [L700] SORT_1 var_425 = var_425_arg_0 == var_425_arg_1; [L701] SORT_1 var_426_arg_0 = input_6; [L702] SORT_1 var_426_arg_1 = var_425; [L703] SORT_1 var_426 = var_426_arg_0 & var_426_arg_1; [L704] var_426 = var_426 & mask_SORT_1 [L705] SORT_1 var_597_arg_0 = var_426; [L706] SORT_3 var_597_arg_1 = input_4; [L707] SORT_3 var_597_arg_2 = state_34; [L708] EXPR var_597_arg_0 ? var_597_arg_1 : var_597_arg_2 [L708] SORT_3 var_597 = var_597_arg_0 ? var_597_arg_1 : var_597_arg_2; [L709] SORT_1 var_598_arg_0 = input_7; [L710] SORT_3 var_598_arg_1 = var_582; [L711] SORT_3 var_598_arg_2 = var_597; [L712] EXPR var_598_arg_0 ? var_598_arg_1 : var_598_arg_2 [L712] SORT_3 var_598 = var_598_arg_0 ? var_598_arg_1 : var_598_arg_2; [L713] SORT_3 next_599_arg_1 = var_598; [L714] SORT_19 var_417_arg_0 = var_40; [L715] var_417_arg_0 = var_417_arg_0 & mask_SORT_19 [L716] SORT_13 var_417 = var_417_arg_0; [L717] SORT_13 var_418_arg_0 = var_283; [L718] SORT_13 var_418_arg_1 = var_417; [L719] SORT_1 var_418 = var_418_arg_0 == var_418_arg_1; [L720] SORT_1 var_419_arg_0 = input_6; [L721] SORT_1 var_419_arg_1 = var_418; [L722] SORT_1 var_419 = var_419_arg_0 & var_419_arg_1; [L723] var_419 = var_419 & mask_SORT_1 [L724] SORT_1 var_600_arg_0 = var_419; [L725] SORT_3 var_600_arg_1 = input_4; [L726] SORT_3 var_600_arg_2 = state_39; [L727] EXPR var_600_arg_0 ? var_600_arg_1 : var_600_arg_2 [L727] SORT_3 var_600 = var_600_arg_0 ? var_600_arg_1 : var_600_arg_2; [L728] SORT_1 var_601_arg_0 = input_7; [L729] SORT_3 var_601_arg_1 = var_582; [L730] SORT_3 var_601_arg_2 = var_600; [L731] EXPR var_601_arg_0 ? var_601_arg_1 : var_601_arg_2 [L731] SORT_3 var_601 = var_601_arg_0 ? var_601_arg_1 : var_601_arg_2; [L732] SORT_3 next_602_arg_1 = var_601; [L733] SORT_19 var_410_arg_0 = var_45; [L734] var_410_arg_0 = var_410_arg_0 & mask_SORT_19 [L735] SORT_13 var_410 = var_410_arg_0; [L736] SORT_13 var_411_arg_0 = var_283; [L737] SORT_13 var_411_arg_1 = var_410; [L738] SORT_1 var_411 = var_411_arg_0 == var_411_arg_1; [L739] SORT_1 var_412_arg_0 = input_6; [L740] SORT_1 var_412_arg_1 = var_411; [L741] SORT_1 var_412 = var_412_arg_0 & var_412_arg_1; [L742] var_412 = var_412 & mask_SORT_1 [L743] SORT_1 var_603_arg_0 = var_412; [L744] SORT_3 var_603_arg_1 = input_4; [L745] SORT_3 var_603_arg_2 = state_44; [L746] EXPR var_603_arg_0 ? var_603_arg_1 : var_603_arg_2 [L746] SORT_3 var_603 = var_603_arg_0 ? var_603_arg_1 : var_603_arg_2; [L747] SORT_1 var_604_arg_0 = input_7; [L748] SORT_3 var_604_arg_1 = var_582; [L749] SORT_3 var_604_arg_2 = var_603; [L750] EXPR var_604_arg_0 ? var_604_arg_1 : var_604_arg_2 [L750] SORT_3 var_604 = var_604_arg_0 ? var_604_arg_1 : var_604_arg_2; [L751] SORT_3 next_605_arg_1 = var_604; [L752] SORT_19 var_403_arg_0 = var_50; [L753] var_403_arg_0 = var_403_arg_0 & mask_SORT_19 [L754] SORT_13 var_403 = var_403_arg_0; [L755] SORT_13 var_404_arg_0 = var_283; [L756] SORT_13 var_404_arg_1 = var_403; [L757] SORT_1 var_404 = var_404_arg_0 == var_404_arg_1; [L758] SORT_1 var_405_arg_0 = input_6; [L759] SORT_1 var_405_arg_1 = var_404; [L760] SORT_1 var_405 = var_405_arg_0 & var_405_arg_1; [L761] var_405 = var_405 & mask_SORT_1 [L762] SORT_1 var_606_arg_0 = var_405; [L763] SORT_3 var_606_arg_1 = input_4; [L764] SORT_3 var_606_arg_2 = state_49; [L765] EXPR var_606_arg_0 ? var_606_arg_1 : var_606_arg_2 [L765] SORT_3 var_606 = var_606_arg_0 ? var_606_arg_1 : var_606_arg_2; [L766] SORT_1 var_607_arg_0 = input_7; [L767] SORT_3 var_607_arg_1 = var_582; [L768] SORT_3 var_607_arg_2 = var_606; [L769] EXPR var_607_arg_0 ? var_607_arg_1 : var_607_arg_2 [L769] SORT_3 var_607 = var_607_arg_0 ? var_607_arg_1 : var_607_arg_2; [L770] SORT_3 next_608_arg_1 = var_607; [L771] SORT_19 var_396_arg_0 = var_55; [L772] var_396_arg_0 = var_396_arg_0 & mask_SORT_19 [L773] SORT_13 var_396 = var_396_arg_0; [L774] SORT_13 var_397_arg_0 = var_283; [L775] SORT_13 var_397_arg_1 = var_396; [L776] SORT_1 var_397 = var_397_arg_0 == var_397_arg_1; [L777] SORT_1 var_398_arg_0 = input_6; [L778] SORT_1 var_398_arg_1 = var_397; [L779] SORT_1 var_398 = var_398_arg_0 & var_398_arg_1; [L780] var_398 = var_398 & mask_SORT_1 [L781] SORT_1 var_609_arg_0 = var_398; [L782] SORT_3 var_609_arg_1 = input_4; [L783] SORT_3 var_609_arg_2 = state_54; [L784] EXPR var_609_arg_0 ? var_609_arg_1 : var_609_arg_2 [L784] SORT_3 var_609 = var_609_arg_0 ? var_609_arg_1 : var_609_arg_2; [L785] SORT_1 var_610_arg_0 = input_7; [L786] SORT_3 var_610_arg_1 = var_582; [L787] SORT_3 var_610_arg_2 = var_609; [L788] EXPR var_610_arg_0 ? var_610_arg_1 : var_610_arg_2 [L788] SORT_3 var_610 = var_610_arg_0 ? var_610_arg_1 : var_610_arg_2; [L789] SORT_3 next_611_arg_1 = var_610; [L790] SORT_19 var_389_arg_0 = var_60; [L791] var_389_arg_0 = var_389_arg_0 & mask_SORT_19 [L792] SORT_13 var_389 = var_389_arg_0; [L793] SORT_13 var_390_arg_0 = var_283; [L794] SORT_13 var_390_arg_1 = var_389; [L795] SORT_1 var_390 = var_390_arg_0 == var_390_arg_1; [L796] SORT_1 var_391_arg_0 = input_6; [L797] SORT_1 var_391_arg_1 = var_390; [L798] SORT_1 var_391 = var_391_arg_0 & var_391_arg_1; [L799] var_391 = var_391 & mask_SORT_1 [L800] SORT_1 var_612_arg_0 = var_391; [L801] SORT_3 var_612_arg_1 = input_4; [L802] SORT_3 var_612_arg_2 = state_59; [L803] EXPR var_612_arg_0 ? var_612_arg_1 : var_612_arg_2 [L803] SORT_3 var_612 = var_612_arg_0 ? var_612_arg_1 : var_612_arg_2; [L804] SORT_1 var_613_arg_0 = input_7; [L805] SORT_3 var_613_arg_1 = var_582; [L806] SORT_3 var_613_arg_2 = var_612; [L807] EXPR var_613_arg_0 ? var_613_arg_1 : var_613_arg_2 [L807] SORT_3 var_613 = var_613_arg_0 ? var_613_arg_1 : var_613_arg_2; [L808] SORT_3 next_614_arg_1 = var_613; [L809] SORT_19 var_382_arg_0 = var_65; [L810] var_382_arg_0 = var_382_arg_0 & mask_SORT_19 [L811] SORT_13 var_382 = var_382_arg_0; [L812] SORT_13 var_383_arg_0 = var_283; [L813] SORT_13 var_383_arg_1 = var_382; [L814] SORT_1 var_383 = var_383_arg_0 == var_383_arg_1; [L815] SORT_1 var_384_arg_0 = input_6; [L816] SORT_1 var_384_arg_1 = var_383; [L817] SORT_1 var_384 = var_384_arg_0 & var_384_arg_1; [L818] var_384 = var_384 & mask_SORT_1 [L819] SORT_1 var_615_arg_0 = var_384; [L820] SORT_3 var_615_arg_1 = input_4; [L821] SORT_3 var_615_arg_2 = state_64; [L822] EXPR var_615_arg_0 ? var_615_arg_1 : var_615_arg_2 [L822] SORT_3 var_615 = var_615_arg_0 ? var_615_arg_1 : var_615_arg_2; [L823] SORT_1 var_616_arg_0 = input_7; [L824] SORT_3 var_616_arg_1 = var_582; [L825] SORT_3 var_616_arg_2 = var_615; [L826] EXPR var_616_arg_0 ? var_616_arg_1 : var_616_arg_2 [L826] SORT_3 var_616 = var_616_arg_0 ? var_616_arg_1 : var_616_arg_2; [L827] SORT_3 next_617_arg_1 = var_616; [L828] SORT_19 var_375_arg_0 = var_70; [L829] var_375_arg_0 = var_375_arg_0 & mask_SORT_19 [L830] SORT_13 var_375 = var_375_arg_0; [L831] SORT_13 var_376_arg_0 = var_283; [L832] SORT_13 var_376_arg_1 = var_375; [L833] SORT_1 var_376 = var_376_arg_0 == var_376_arg_1; [L834] SORT_1 var_377_arg_0 = input_6; [L835] SORT_1 var_377_arg_1 = var_376; [L836] SORT_1 var_377 = var_377_arg_0 & var_377_arg_1; [L837] var_377 = var_377 & mask_SORT_1 [L838] SORT_1 var_618_arg_0 = var_377; [L839] SORT_3 var_618_arg_1 = input_4; [L840] SORT_3 var_618_arg_2 = state_69; [L841] EXPR var_618_arg_0 ? var_618_arg_1 : var_618_arg_2 [L841] SORT_3 var_618 = var_618_arg_0 ? var_618_arg_1 : var_618_arg_2; [L842] SORT_1 var_619_arg_0 = input_7; [L843] SORT_3 var_619_arg_1 = var_582; [L844] SORT_3 var_619_arg_2 = var_618; [L845] EXPR var_619_arg_0 ? var_619_arg_1 : var_619_arg_2 [L845] SORT_3 var_619 = var_619_arg_0 ? var_619_arg_1 : var_619_arg_2; [L846] SORT_3 next_620_arg_1 = var_619; [L847] SORT_19 var_368_arg_0 = var_75; [L848] var_368_arg_0 = var_368_arg_0 & mask_SORT_19 [L849] SORT_13 var_368 = var_368_arg_0; [L850] SORT_13 var_369_arg_0 = var_283; [L851] SORT_13 var_369_arg_1 = var_368; [L852] SORT_1 var_369 = var_369_arg_0 == var_369_arg_1; [L853] SORT_1 var_370_arg_0 = input_6; [L854] SORT_1 var_370_arg_1 = var_369; [L855] SORT_1 var_370 = var_370_arg_0 & var_370_arg_1; [L856] var_370 = var_370 & mask_SORT_1 [L857] SORT_1 var_621_arg_0 = var_370; [L858] SORT_3 var_621_arg_1 = input_4; [L859] SORT_3 var_621_arg_2 = state_74; [L860] EXPR var_621_arg_0 ? var_621_arg_1 : var_621_arg_2 [L860] SORT_3 var_621 = var_621_arg_0 ? var_621_arg_1 : var_621_arg_2; [L861] SORT_1 var_622_arg_0 = input_7; [L862] SORT_3 var_622_arg_1 = var_582; [L863] SORT_3 var_622_arg_2 = var_621; [L864] EXPR var_622_arg_0 ? var_622_arg_1 : var_622_arg_2 [L864] SORT_3 var_622 = var_622_arg_0 ? var_622_arg_1 : var_622_arg_2; [L865] SORT_3 next_623_arg_1 = var_622; [L866] SORT_19 var_354_arg_0 = var_80; [L867] var_354_arg_0 = var_354_arg_0 & mask_SORT_19 [L868] SORT_13 var_354 = var_354_arg_0; [L869] SORT_13 var_355_arg_0 = var_283; [L870] SORT_13 var_355_arg_1 = var_354; [L871] SORT_1 var_355 = var_355_arg_0 == var_355_arg_1; [L872] SORT_1 var_356_arg_0 = input_6; [L873] SORT_1 var_356_arg_1 = var_355; [L874] SORT_1 var_356 = var_356_arg_0 & var_356_arg_1; [L875] var_356 = var_356 & mask_SORT_1 [L876] SORT_1 var_624_arg_0 = var_356; [L877] SORT_3 var_624_arg_1 = input_4; [L878] SORT_3 var_624_arg_2 = state_79; [L879] EXPR var_624_arg_0 ? var_624_arg_1 : var_624_arg_2 [L879] SORT_3 var_624 = var_624_arg_0 ? var_624_arg_1 : var_624_arg_2; [L880] SORT_1 var_625_arg_0 = input_7; [L881] SORT_3 var_625_arg_1 = var_582; [L882] SORT_3 var_625_arg_2 = var_624; [L883] EXPR var_625_arg_0 ? var_625_arg_1 : var_625_arg_2 [L883] SORT_3 var_625 = var_625_arg_0 ? var_625_arg_1 : var_625_arg_2; [L884] SORT_3 next_626_arg_1 = var_625; [L885] SORT_19 var_347_arg_0 = var_85; [L886] var_347_arg_0 = var_347_arg_0 & mask_SORT_19 [L887] SORT_13 var_347 = var_347_arg_0; [L888] SORT_13 var_348_arg_0 = var_283; [L889] SORT_13 var_348_arg_1 = var_347; [L890] SORT_1 var_348 = var_348_arg_0 == var_348_arg_1; [L891] SORT_1 var_349_arg_0 = input_6; [L892] SORT_1 var_349_arg_1 = var_348; [L893] SORT_1 var_349 = var_349_arg_0 & var_349_arg_1; [L894] var_349 = var_349 & mask_SORT_1 [L895] SORT_1 var_627_arg_0 = var_349; [L896] SORT_3 var_627_arg_1 = input_4; [L897] SORT_3 var_627_arg_2 = state_84; [L898] EXPR var_627_arg_0 ? var_627_arg_1 : var_627_arg_2 [L898] SORT_3 var_627 = var_627_arg_0 ? var_627_arg_1 : var_627_arg_2; [L899] SORT_1 var_628_arg_0 = input_7; [L900] SORT_3 var_628_arg_1 = var_582; [L901] SORT_3 var_628_arg_2 = var_627; [L902] EXPR var_628_arg_0 ? var_628_arg_1 : var_628_arg_2 [L902] SORT_3 var_628 = var_628_arg_0 ? var_628_arg_1 : var_628_arg_2; [L903] SORT_3 next_629_arg_1 = var_628; [L904] SORT_19 var_340_arg_0 = var_90; [L905] var_340_arg_0 = var_340_arg_0 & mask_SORT_19 [L906] SORT_13 var_340 = var_340_arg_0; [L907] SORT_13 var_341_arg_0 = var_283; [L908] SORT_13 var_341_arg_1 = var_340; [L909] SORT_1 var_341 = var_341_arg_0 == var_341_arg_1; [L910] SORT_1 var_342_arg_0 = input_6; [L911] SORT_1 var_342_arg_1 = var_341; [L912] SORT_1 var_342 = var_342_arg_0 & var_342_arg_1; [L913] var_342 = var_342 & mask_SORT_1 [L914] SORT_1 var_630_arg_0 = var_342; [L915] SORT_3 var_630_arg_1 = input_4; [L916] SORT_3 var_630_arg_2 = state_89; [L917] EXPR var_630_arg_0 ? var_630_arg_1 : var_630_arg_2 [L917] SORT_3 var_630 = var_630_arg_0 ? var_630_arg_1 : var_630_arg_2; [L918] SORT_1 var_631_arg_0 = input_7; [L919] SORT_3 var_631_arg_1 = var_582; [L920] SORT_3 var_631_arg_2 = var_630; [L921] EXPR var_631_arg_0 ? var_631_arg_1 : var_631_arg_2 [L921] SORT_3 var_631 = var_631_arg_0 ? var_631_arg_1 : var_631_arg_2; [L922] SORT_3 next_632_arg_1 = var_631; [L923] SORT_19 var_333_arg_0 = var_95; [L924] var_333_arg_0 = var_333_arg_0 & mask_SORT_19 [L925] SORT_13 var_333 = var_333_arg_0; [L926] SORT_13 var_334_arg_0 = var_283; [L927] SORT_13 var_334_arg_1 = var_333; [L928] SORT_1 var_334 = var_334_arg_0 == var_334_arg_1; [L929] SORT_1 var_335_arg_0 = input_6; [L930] SORT_1 var_335_arg_1 = var_334; [L931] SORT_1 var_335 = var_335_arg_0 & var_335_arg_1; [L932] var_335 = var_335 & mask_SORT_1 [L933] SORT_1 var_633_arg_0 = var_335; [L934] SORT_3 var_633_arg_1 = input_4; [L935] SORT_3 var_633_arg_2 = state_94; [L936] EXPR var_633_arg_0 ? var_633_arg_1 : var_633_arg_2 [L936] SORT_3 var_633 = var_633_arg_0 ? var_633_arg_1 : var_633_arg_2; [L937] SORT_1 var_634_arg_0 = input_7; [L938] SORT_3 var_634_arg_1 = var_582; [L939] SORT_3 var_634_arg_2 = var_633; [L940] EXPR var_634_arg_0 ? var_634_arg_1 : var_634_arg_2 [L940] SORT_3 var_634 = var_634_arg_0 ? var_634_arg_1 : var_634_arg_2; [L941] SORT_3 next_635_arg_1 = var_634; [L942] SORT_100 var_326_arg_0 = var_101; [L943] var_326_arg_0 = var_326_arg_0 & mask_SORT_100 [L944] SORT_13 var_326 = var_326_arg_0; [L945] SORT_13 var_327_arg_0 = var_283; [L946] SORT_13 var_327_arg_1 = var_326; [L947] SORT_1 var_327 = var_327_arg_0 == var_327_arg_1; [L948] SORT_1 var_328_arg_0 = input_6; [L949] SORT_1 var_328_arg_1 = var_327; [L950] SORT_1 var_328 = var_328_arg_0 & var_328_arg_1; [L951] var_328 = var_328 & mask_SORT_1 [L952] SORT_1 var_636_arg_0 = var_328; [L953] SORT_3 var_636_arg_1 = input_4; [L954] SORT_3 var_636_arg_2 = state_99; [L955] EXPR var_636_arg_0 ? var_636_arg_1 : var_636_arg_2 [L955] SORT_3 var_636 = var_636_arg_0 ? var_636_arg_1 : var_636_arg_2; [L956] SORT_1 var_637_arg_0 = input_7; [L957] SORT_3 var_637_arg_1 = var_582; [L958] SORT_3 var_637_arg_2 = var_636; [L959] EXPR var_637_arg_0 ? var_637_arg_1 : var_637_arg_2 [L959] SORT_3 var_637 = var_637_arg_0 ? var_637_arg_1 : var_637_arg_2; [L960] SORT_3 next_638_arg_1 = var_637; [L961] SORT_100 var_319_arg_0 = var_106; [L962] var_319_arg_0 = var_319_arg_0 & mask_SORT_100 [L963] SORT_13 var_319 = var_319_arg_0; [L964] SORT_13 var_320_arg_0 = var_283; [L965] SORT_13 var_320_arg_1 = var_319; [L966] SORT_1 var_320 = var_320_arg_0 == var_320_arg_1; [L967] SORT_1 var_321_arg_0 = input_6; [L968] SORT_1 var_321_arg_1 = var_320; [L969] SORT_1 var_321 = var_321_arg_0 & var_321_arg_1; [L970] var_321 = var_321 & mask_SORT_1 [L971] SORT_1 var_639_arg_0 = var_321; [L972] SORT_3 var_639_arg_1 = input_4; [L973] SORT_3 var_639_arg_2 = state_105; [L974] EXPR var_639_arg_0 ? var_639_arg_1 : var_639_arg_2 [L974] SORT_3 var_639 = var_639_arg_0 ? var_639_arg_1 : var_639_arg_2; [L975] SORT_1 var_640_arg_0 = input_7; [L976] SORT_3 var_640_arg_1 = var_582; [L977] SORT_3 var_640_arg_2 = var_639; [L978] EXPR var_640_arg_0 ? var_640_arg_1 : var_640_arg_2 [L978] SORT_3 var_640 = var_640_arg_0 ? var_640_arg_1 : var_640_arg_2; [L979] SORT_3 next_641_arg_1 = var_640; [L980] SORT_100 var_312_arg_0 = var_111; [L981] var_312_arg_0 = var_312_arg_0 & mask_SORT_100 [L982] SORT_13 var_312 = var_312_arg_0; [L983] SORT_13 var_313_arg_0 = var_283; [L984] SORT_13 var_313_arg_1 = var_312; [L985] SORT_1 var_313 = var_313_arg_0 == var_313_arg_1; [L986] SORT_1 var_314_arg_0 = input_6; [L987] SORT_1 var_314_arg_1 = var_313; [L988] SORT_1 var_314 = var_314_arg_0 & var_314_arg_1; [L989] var_314 = var_314 & mask_SORT_1 [L990] SORT_1 var_642_arg_0 = var_314; [L991] SORT_3 var_642_arg_1 = input_4; [L992] SORT_3 var_642_arg_2 = state_110; [L993] EXPR var_642_arg_0 ? var_642_arg_1 : var_642_arg_2 [L993] SORT_3 var_642 = var_642_arg_0 ? var_642_arg_1 : var_642_arg_2; [L994] SORT_1 var_643_arg_0 = input_7; [L995] SORT_3 var_643_arg_1 = var_582; [L996] SORT_3 var_643_arg_2 = var_642; [L997] EXPR var_643_arg_0 ? var_643_arg_1 : var_643_arg_2 [L997] SORT_3 var_643 = var_643_arg_0 ? var_643_arg_1 : var_643_arg_2; [L998] SORT_3 next_644_arg_1 = var_643; [L999] SORT_100 var_305_arg_0 = var_116; [L1000] var_305_arg_0 = var_305_arg_0 & mask_SORT_100 [L1001] SORT_13 var_305 = var_305_arg_0; [L1002] SORT_13 var_306_arg_0 = var_283; [L1003] SORT_13 var_306_arg_1 = var_305; [L1004] SORT_1 var_306 = var_306_arg_0 == var_306_arg_1; [L1005] SORT_1 var_307_arg_0 = input_6; [L1006] SORT_1 var_307_arg_1 = var_306; [L1007] SORT_1 var_307 = var_307_arg_0 & var_307_arg_1; [L1008] var_307 = var_307 & mask_SORT_1 [L1009] SORT_1 var_645_arg_0 = var_307; [L1010] SORT_3 var_645_arg_1 = input_4; [L1011] SORT_3 var_645_arg_2 = state_115; [L1012] EXPR var_645_arg_0 ? var_645_arg_1 : var_645_arg_2 [L1012] SORT_3 var_645 = var_645_arg_0 ? var_645_arg_1 : var_645_arg_2; [L1013] SORT_1 var_646_arg_0 = input_7; [L1014] SORT_3 var_646_arg_1 = var_582; [L1015] SORT_3 var_646_arg_2 = var_645; [L1016] EXPR var_646_arg_0 ? var_646_arg_1 : var_646_arg_2 [L1016] SORT_3 var_646 = var_646_arg_0 ? var_646_arg_1 : var_646_arg_2; [L1017] SORT_3 next_647_arg_1 = var_646; [L1018] SORT_100 var_298_arg_0 = var_121; [L1019] var_298_arg_0 = var_298_arg_0 & mask_SORT_100 [L1020] SORT_13 var_298 = var_298_arg_0; [L1021] SORT_13 var_299_arg_0 = var_283; [L1022] SORT_13 var_299_arg_1 = var_298; [L1023] SORT_1 var_299 = var_299_arg_0 == var_299_arg_1; [L1024] SORT_1 var_300_arg_0 = input_6; [L1025] SORT_1 var_300_arg_1 = var_299; [L1026] SORT_1 var_300 = var_300_arg_0 & var_300_arg_1; [L1027] var_300 = var_300 & mask_SORT_1 [L1028] SORT_1 var_648_arg_0 = var_300; [L1029] SORT_3 var_648_arg_1 = input_4; [L1030] SORT_3 var_648_arg_2 = state_120; [L1031] EXPR var_648_arg_0 ? var_648_arg_1 : var_648_arg_2 [L1031] SORT_3 var_648 = var_648_arg_0 ? var_648_arg_1 : var_648_arg_2; [L1032] SORT_1 var_649_arg_0 = input_7; [L1033] SORT_3 var_649_arg_1 = var_582; [L1034] SORT_3 var_649_arg_2 = var_648; [L1035] EXPR var_649_arg_0 ? var_649_arg_1 : var_649_arg_2 [L1035] SORT_3 var_649 = var_649_arg_0 ? var_649_arg_1 : var_649_arg_2; [L1036] SORT_3 next_650_arg_1 = var_649; [L1037] SORT_100 var_291_arg_0 = var_126; [L1038] var_291_arg_0 = var_291_arg_0 & mask_SORT_100 [L1039] SORT_13 var_291 = var_291_arg_0; [L1040] SORT_13 var_292_arg_0 = var_283; [L1041] SORT_13 var_292_arg_1 = var_291; [L1042] SORT_1 var_292 = var_292_arg_0 == var_292_arg_1; [L1043] SORT_1 var_293_arg_0 = input_6; [L1044] SORT_1 var_293_arg_1 = var_292; [L1045] SORT_1 var_293 = var_293_arg_0 & var_293_arg_1; [L1046] var_293 = var_293 & mask_SORT_1 [L1047] SORT_1 var_651_arg_0 = var_293; [L1048] SORT_3 var_651_arg_1 = input_4; [L1049] SORT_3 var_651_arg_2 = state_125; [L1050] EXPR var_651_arg_0 ? var_651_arg_1 : var_651_arg_2 [L1050] SORT_3 var_651 = var_651_arg_0 ? var_651_arg_1 : var_651_arg_2; [L1051] SORT_1 var_652_arg_0 = input_7; [L1052] SORT_3 var_652_arg_1 = var_582; [L1053] SORT_3 var_652_arg_2 = var_651; [L1054] EXPR var_652_arg_0 ? var_652_arg_1 : var_652_arg_2 [L1054] SORT_3 var_652 = var_652_arg_0 ? var_652_arg_1 : var_652_arg_2; [L1055] SORT_3 next_653_arg_1 = var_652; [L1056] SORT_100 var_507_arg_0 = var_131; [L1057] var_507_arg_0 = var_507_arg_0 & mask_SORT_100 [L1058] SORT_13 var_507 = var_507_arg_0; [L1059] SORT_13 var_508_arg_0 = var_283; [L1060] SORT_13 var_508_arg_1 = var_507; [L1061] SORT_1 var_508 = var_508_arg_0 == var_508_arg_1; [L1062] SORT_1 var_509_arg_0 = input_6; [L1063] SORT_1 var_509_arg_1 = var_508; [L1064] SORT_1 var_509 = var_509_arg_0 & var_509_arg_1; [L1065] var_509 = var_509 & mask_SORT_1 [L1066] SORT_1 var_654_arg_0 = var_509; [L1067] SORT_3 var_654_arg_1 = input_4; [L1068] SORT_3 var_654_arg_2 = state_130; [L1069] EXPR var_654_arg_0 ? var_654_arg_1 : var_654_arg_2 [L1069] SORT_3 var_654 = var_654_arg_0 ? var_654_arg_1 : var_654_arg_2; [L1070] SORT_1 var_655_arg_0 = input_7; [L1071] SORT_3 var_655_arg_1 = var_582; [L1072] SORT_3 var_655_arg_2 = var_654; [L1073] EXPR var_655_arg_0 ? var_655_arg_1 : var_655_arg_2 [L1073] SORT_3 var_655 = var_655_arg_0 ? var_655_arg_1 : var_655_arg_2; [L1074] SORT_3 next_656_arg_1 = var_655; [L1075] SORT_100 var_500_arg_0 = var_136; [L1076] var_500_arg_0 = var_500_arg_0 & mask_SORT_100 [L1077] SORT_13 var_500 = var_500_arg_0; [L1078] SORT_13 var_501_arg_0 = var_283; [L1079] SORT_13 var_501_arg_1 = var_500; [L1080] SORT_1 var_501 = var_501_arg_0 == var_501_arg_1; [L1081] SORT_1 var_502_arg_0 = input_6; [L1082] SORT_1 var_502_arg_1 = var_501; [L1083] SORT_1 var_502 = var_502_arg_0 & var_502_arg_1; [L1084] var_502 = var_502 & mask_SORT_1 [L1085] SORT_1 var_657_arg_0 = var_502; [L1086] SORT_3 var_657_arg_1 = input_4; [L1087] SORT_3 var_657_arg_2 = state_135; [L1088] EXPR var_657_arg_0 ? var_657_arg_1 : var_657_arg_2 [L1088] SORT_3 var_657 = var_657_arg_0 ? var_657_arg_1 : var_657_arg_2; [L1089] SORT_1 var_658_arg_0 = input_7; [L1090] SORT_3 var_658_arg_1 = var_582; [L1091] SORT_3 var_658_arg_2 = var_657; [L1092] EXPR var_658_arg_0 ? var_658_arg_1 : var_658_arg_2 [L1092] SORT_3 var_658 = var_658_arg_0 ? var_658_arg_1 : var_658_arg_2; [L1093] SORT_3 next_659_arg_1 = var_658; [L1094] SORT_141 var_493_arg_0 = var_142; [L1095] var_493_arg_0 = var_493_arg_0 & mask_SORT_141 [L1096] SORT_13 var_493 = var_493_arg_0; [L1097] SORT_13 var_494_arg_0 = var_283; [L1098] SORT_13 var_494_arg_1 = var_493; [L1099] SORT_1 var_494 = var_494_arg_0 == var_494_arg_1; [L1100] SORT_1 var_495_arg_0 = input_6; [L1101] SORT_1 var_495_arg_1 = var_494; [L1102] SORT_1 var_495 = var_495_arg_0 & var_495_arg_1; [L1103] var_495 = var_495 & mask_SORT_1 [L1104] SORT_1 var_660_arg_0 = var_495; [L1105] SORT_3 var_660_arg_1 = input_4; [L1106] SORT_3 var_660_arg_2 = state_140; [L1107] EXPR var_660_arg_0 ? var_660_arg_1 : var_660_arg_2 [L1107] SORT_3 var_660 = var_660_arg_0 ? var_660_arg_1 : var_660_arg_2; [L1108] SORT_1 var_661_arg_0 = input_7; [L1109] SORT_3 var_661_arg_1 = var_582; [L1110] SORT_3 var_661_arg_2 = var_660; [L1111] EXPR var_661_arg_0 ? var_661_arg_1 : var_661_arg_2 [L1111] SORT_3 var_661 = var_661_arg_0 ? var_661_arg_1 : var_661_arg_2; [L1112] SORT_3 next_662_arg_1 = var_661; [L1113] SORT_141 var_486_arg_0 = var_147; [L1114] var_486_arg_0 = var_486_arg_0 & mask_SORT_141 [L1115] SORT_13 var_486 = var_486_arg_0; [L1116] SORT_13 var_487_arg_0 = var_283; [L1117] SORT_13 var_487_arg_1 = var_486; [L1118] SORT_1 var_487 = var_487_arg_0 == var_487_arg_1; [L1119] SORT_1 var_488_arg_0 = input_6; [L1120] SORT_1 var_488_arg_1 = var_487; [L1121] SORT_1 var_488 = var_488_arg_0 & var_488_arg_1; [L1122] var_488 = var_488 & mask_SORT_1 [L1123] SORT_1 var_663_arg_0 = var_488; [L1124] SORT_3 var_663_arg_1 = input_4; [L1125] SORT_3 var_663_arg_2 = state_146; [L1126] EXPR var_663_arg_0 ? var_663_arg_1 : var_663_arg_2 [L1126] SORT_3 var_663 = var_663_arg_0 ? var_663_arg_1 : var_663_arg_2; [L1127] SORT_1 var_664_arg_0 = input_7; [L1128] SORT_3 var_664_arg_1 = var_582; [L1129] SORT_3 var_664_arg_2 = var_663; [L1130] EXPR var_664_arg_0 ? var_664_arg_1 : var_664_arg_2 [L1130] SORT_3 var_664 = var_664_arg_0 ? var_664_arg_1 : var_664_arg_2; [L1131] SORT_3 next_665_arg_1 = var_664; [L1132] SORT_141 var_479_arg_0 = var_152; [L1133] var_479_arg_0 = var_479_arg_0 & mask_SORT_141 [L1134] SORT_13 var_479 = var_479_arg_0; [L1135] SORT_13 var_480_arg_0 = var_283; [L1136] SORT_13 var_480_arg_1 = var_479; [L1137] SORT_1 var_480 = var_480_arg_0 == var_480_arg_1; [L1138] SORT_1 var_481_arg_0 = input_6; [L1139] SORT_1 var_481_arg_1 = var_480; [L1140] SORT_1 var_481 = var_481_arg_0 & var_481_arg_1; [L1141] var_481 = var_481 & mask_SORT_1 [L1142] SORT_1 var_666_arg_0 = var_481; [L1143] SORT_3 var_666_arg_1 = input_4; [L1144] SORT_3 var_666_arg_2 = state_151; [L1145] EXPR var_666_arg_0 ? var_666_arg_1 : var_666_arg_2 [L1145] SORT_3 var_666 = var_666_arg_0 ? var_666_arg_1 : var_666_arg_2; [L1146] SORT_1 var_667_arg_0 = input_7; [L1147] SORT_3 var_667_arg_1 = var_582; [L1148] SORT_3 var_667_arg_2 = var_666; [L1149] EXPR var_667_arg_0 ? var_667_arg_1 : var_667_arg_2 [L1149] SORT_3 var_667 = var_667_arg_0 ? var_667_arg_1 : var_667_arg_2; [L1150] SORT_3 next_668_arg_1 = var_667; [L1151] SORT_141 var_472_arg_0 = var_157; [L1152] var_472_arg_0 = var_472_arg_0 & mask_SORT_141 [L1153] SORT_13 var_472 = var_472_arg_0; [L1154] SORT_13 var_473_arg_0 = var_283; [L1155] SORT_13 var_473_arg_1 = var_472; [L1156] SORT_1 var_473 = var_473_arg_0 == var_473_arg_1; [L1157] SORT_1 var_474_arg_0 = input_6; [L1158] SORT_1 var_474_arg_1 = var_473; [L1159] SORT_1 var_474 = var_474_arg_0 & var_474_arg_1; [L1160] var_474 = var_474 & mask_SORT_1 [L1161] SORT_1 var_669_arg_0 = var_474; [L1162] SORT_3 var_669_arg_1 = input_4; [L1163] SORT_3 var_669_arg_2 = state_156; [L1164] EXPR var_669_arg_0 ? var_669_arg_1 : var_669_arg_2 [L1164] SORT_3 var_669 = var_669_arg_0 ? var_669_arg_1 : var_669_arg_2; [L1165] SORT_1 var_670_arg_0 = input_7; [L1166] SORT_3 var_670_arg_1 = var_582; [L1167] SORT_3 var_670_arg_2 = var_669; [L1168] EXPR var_670_arg_0 ? var_670_arg_1 : var_670_arg_2 [L1168] SORT_3 var_670 = var_670_arg_0 ? var_670_arg_1 : var_670_arg_2; [L1169] SORT_3 next_671_arg_1 = var_670; [L1170] SORT_162 var_465_arg_0 = var_163; [L1171] var_465_arg_0 = var_465_arg_0 & mask_SORT_162 [L1172] SORT_13 var_465 = var_465_arg_0; [L1173] SORT_13 var_466_arg_0 = var_283; [L1174] SORT_13 var_466_arg_1 = var_465; [L1175] SORT_1 var_466 = var_466_arg_0 == var_466_arg_1; [L1176] SORT_1 var_467_arg_0 = input_6; [L1177] SORT_1 var_467_arg_1 = var_466; [L1178] SORT_1 var_467 = var_467_arg_0 & var_467_arg_1; [L1179] var_467 = var_467 & mask_SORT_1 [L1180] SORT_1 var_672_arg_0 = var_467; [L1181] SORT_3 var_672_arg_1 = input_4; [L1182] SORT_3 var_672_arg_2 = state_161; [L1183] EXPR var_672_arg_0 ? var_672_arg_1 : var_672_arg_2 [L1183] SORT_3 var_672 = var_672_arg_0 ? var_672_arg_1 : var_672_arg_2; [L1184] SORT_1 var_673_arg_0 = input_7; [L1185] SORT_3 var_673_arg_1 = var_582; [L1186] SORT_3 var_673_arg_2 = var_672; [L1187] EXPR var_673_arg_0 ? var_673_arg_1 : var_673_arg_2 [L1187] SORT_3 var_673 = var_673_arg_0 ? var_673_arg_1 : var_673_arg_2; [L1188] SORT_3 next_674_arg_1 = var_673; [L1189] SORT_162 var_438_arg_0 = var_168; [L1190] var_438_arg_0 = var_438_arg_0 & mask_SORT_162 [L1191] SORT_13 var_438 = var_438_arg_0; [L1192] SORT_13 var_439_arg_0 = var_283; [L1193] SORT_13 var_439_arg_1 = var_438; [L1194] SORT_1 var_439 = var_439_arg_0 == var_439_arg_1; [L1195] SORT_1 var_440_arg_0 = input_6; [L1196] SORT_1 var_440_arg_1 = var_439; [L1197] SORT_1 var_440 = var_440_arg_0 & var_440_arg_1; [L1198] var_440 = var_440 & mask_SORT_1 [L1199] SORT_1 var_675_arg_0 = var_440; [L1200] SORT_3 var_675_arg_1 = input_4; [L1201] SORT_3 var_675_arg_2 = state_167; [L1202] EXPR var_675_arg_0 ? var_675_arg_1 : var_675_arg_2 [L1202] SORT_3 var_675 = var_675_arg_0 ? var_675_arg_1 : var_675_arg_2; [L1203] SORT_1 var_676_arg_0 = input_7; [L1204] SORT_3 var_676_arg_1 = var_582; [L1205] SORT_3 var_676_arg_2 = var_675; [L1206] EXPR var_676_arg_0 ? var_676_arg_1 : var_676_arg_2 [L1206] SORT_3 var_676 = var_676_arg_0 ? var_676_arg_1 : var_676_arg_2; [L1207] SORT_3 next_677_arg_1 = var_676; [L1208] SORT_1 var_361_arg_0 = var_173; [L1209] var_361_arg_0 = var_361_arg_0 & mask_SORT_1 [L1210] SORT_13 var_361 = var_361_arg_0; [L1211] SORT_13 var_362_arg_0 = var_283; [L1212] SORT_13 var_362_arg_1 = var_361; [L1213] SORT_1 var_362 = var_362_arg_0 == var_362_arg_1; [L1214] SORT_1 var_363_arg_0 = input_6; [L1215] SORT_1 var_363_arg_1 = var_362; [L1216] SORT_1 var_363 = var_363_arg_0 & var_363_arg_1; [L1217] var_363 = var_363 & mask_SORT_1 [L1218] SORT_1 var_678_arg_0 = var_363; [L1219] SORT_3 var_678_arg_1 = input_4; [L1220] SORT_3 var_678_arg_2 = state_172; [L1221] EXPR var_678_arg_0 ? var_678_arg_1 : var_678_arg_2 [L1221] SORT_3 var_678 = var_678_arg_0 ? var_678_arg_1 : var_678_arg_2; [L1222] SORT_1 var_679_arg_0 = input_7; [L1223] SORT_3 var_679_arg_1 = var_582; [L1224] SORT_3 var_679_arg_2 = var_678; [L1225] EXPR var_679_arg_0 ? var_679_arg_1 : var_679_arg_2 [L1225] SORT_3 var_679 = var_679_arg_0 ? var_679_arg_1 : var_679_arg_2; [L1226] SORT_3 next_680_arg_1 = var_679; [L1227] SORT_13 var_284_arg_0 = var_283; [L1228] SORT_1 var_284 = var_284_arg_0 != 0; [L1229] SORT_1 var_285_arg_0 = var_284; [L1230] SORT_1 var_285 = ~var_285_arg_0; [L1231] SORT_1 var_286_arg_0 = input_6; [L1232] SORT_1 var_286_arg_1 = var_285; [L1233] SORT_1 var_286 = var_286_arg_0 & var_286_arg_1; [L1234] var_286 = var_286 & mask_SORT_1 [L1235] SORT_1 var_681_arg_0 = var_286; [L1236] SORT_3 var_681_arg_1 = input_4; [L1237] SORT_3 var_681_arg_2 = state_177; [L1238] EXPR var_681_arg_0 ? var_681_arg_1 : var_681_arg_2 [L1238] SORT_3 var_681 = var_681_arg_0 ? var_681_arg_1 : var_681_arg_2; [L1239] SORT_1 var_682_arg_0 = input_7; [L1240] SORT_3 var_682_arg_1 = var_582; [L1241] SORT_3 var_682_arg_2 = var_681; [L1242] EXPR var_682_arg_0 ? var_682_arg_1 : var_682_arg_2 [L1242] SORT_3 var_682 = var_682_arg_0 ? var_682_arg_1 : var_682_arg_2; [L1243] SORT_3 next_683_arg_1 = var_682; [L1244] SORT_1 var_684_arg_0 = input_6; [L1245] var_684_arg_0 = var_684_arg_0 & mask_SORT_1 [L1246] SORT_11 var_684 = var_684_arg_0; [L1247] SORT_11 var_685_arg_0 = state_182; [L1248] SORT_11 var_685_arg_1 = var_684; [L1249] SORT_11 var_685 = var_685_arg_0 + var_685_arg_1; [L1250] SORT_1 var_686_arg_0 = input_5; [L1251] var_686_arg_0 = var_686_arg_0 & mask_SORT_1 [L1252] SORT_11 var_686 = var_686_arg_0; [L1253] SORT_11 var_687_arg_0 = var_685; [L1254] SORT_11 var_687_arg_1 = var_686; [L1255] SORT_11 var_687 = var_687_arg_0 - var_687_arg_1; [L1256] SORT_1 var_688_arg_0 = input_7; [L1257] SORT_11 var_688_arg_1 = var_203; [L1258] SORT_11 var_688_arg_2 = var_687; [L1259] EXPR var_688_arg_0 ? var_688_arg_1 : var_688_arg_2 [L1259] SORT_11 var_688 = var_688_arg_0 ? var_688_arg_1 : var_688_arg_2; [L1260] var_688 = var_688 & mask_SORT_11 [L1261] SORT_11 next_689_arg_1 = var_688; [L1262] SORT_1 var_542_arg_0 = state_190; [L1263] SORT_1 var_542 = ~var_542_arg_0; [L1264] var_542 = var_542 & mask_SORT_1 [L1265] SORT_1 var_538_arg_0 = input_8; [L1266] SORT_1 var_538_arg_1 = input_6; [L1267] SORT_1 var_538 = var_538_arg_0 & var_538_arg_1; [L1268] SORT_1 var_539_arg_0 = state_190; [L1269] SORT_1 var_539_arg_1 = var_538; [L1270] SORT_1 var_539 = var_539_arg_0 | var_539_arg_1; [L1271] SORT_1 var_690_arg_0 = var_542; [L1272] SORT_1 var_690_arg_1 = var_539; [L1273] SORT_1 var_690_arg_2 = state_190; [L1274] EXPR var_690_arg_0 ? var_690_arg_1 : var_690_arg_2 [L1274] SORT_1 var_690 = var_690_arg_0 ? var_690_arg_1 : var_690_arg_2; [L1275] SORT_1 var_691_arg_0 = input_7; [L1276] SORT_1 var_691_arg_1 = var_233; [L1277] SORT_1 var_691_arg_2 = var_690; [L1278] EXPR var_691_arg_0 ? var_691_arg_1 : var_691_arg_2 [L1278] SORT_1 var_691 = var_691_arg_0 ? var_691_arg_1 : var_691_arg_2; [L1279] SORT_1 next_692_arg_1 = var_691; [L1280] SORT_1 var_550_arg_0 = var_207; [L1281] SORT_1 var_550_arg_1 = state_191; [L1282] SORT_1 var_550 = var_550_arg_0 | var_550_arg_1; [L1283] SORT_1 var_693_arg_0 = var_173; [L1284] SORT_1 var_693_arg_1 = var_550; [L1285] SORT_1 var_693_arg_2 = state_191; [L1286] EXPR var_693_arg_0 ? var_693_arg_1 : var_693_arg_2 [L1286] SORT_1 var_693 = var_693_arg_0 ? var_693_arg_1 : var_693_arg_2; [L1287] SORT_1 var_694_arg_0 = input_7; [L1288] SORT_1 var_694_arg_1 = var_233; [L1289] SORT_1 var_694_arg_2 = var_693; [L1290] EXPR var_694_arg_0 ? var_694_arg_1 : var_694_arg_2 [L1290] SORT_1 var_694 = var_694_arg_0 ? var_694_arg_1 : var_694_arg_2; [L1291] SORT_1 next_695_arg_1 = var_694; [L1292] SORT_1 var_562_arg_0 = input_6; [L1293] SORT_1 var_562_arg_1 = input_5; [L1294] SORT_1 var_562 = var_562_arg_0 | var_562_arg_1; [L1295] SORT_1 var_563_arg_0 = var_562; [L1296] SORT_1 var_563_arg_1 = input_7; [L1297] SORT_1 var_563 = var_563_arg_0 | var_563_arg_1; [L1298] SORT_1 var_564_arg_0 = var_563; [L1299] SORT_1 var_564_arg_1 = state_190; [L1300] SORT_1 var_564 = var_564_arg_0 | var_564_arg_1; [L1301] var_564 = var_564 & mask_SORT_1 [L1302] SORT_1 var_696_arg_0 = var_564; [L1303] SORT_11 var_696_arg_1 = var_204; [L1304] SORT_11 var_696_arg_2 = state_194; [L1305] EXPR var_696_arg_0 ? var_696_arg_1 : var_696_arg_2 [L1305] SORT_11 var_696 = var_696_arg_0 ? var_696_arg_1 : var_696_arg_2; [L1306] SORT_1 var_697_arg_0 = input_7; [L1307] SORT_11 var_697_arg_1 = var_203; [L1308] SORT_11 var_697_arg_2 = var_696; [L1309] EXPR var_697_arg_0 ? var_697_arg_1 : var_697_arg_2 [L1309] SORT_11 var_697 = var_697_arg_0 ? var_697_arg_1 : var_697_arg_2; [L1310] var_697 = var_697 & mask_SORT_11 [L1311] SORT_11 next_698_arg_1 = var_697; [L1312] SORT_1 var_547_arg_0 = var_538; [L1313] SORT_1 var_547_arg_1 = var_542; [L1314] SORT_1 var_547 = var_547_arg_0 & var_547_arg_1; [L1315] var_547 = var_547 & mask_SORT_1 [L1316] SORT_1 var_699_arg_0 = var_547; [L1317] SORT_3 var_699_arg_1 = input_4; [L1318] SORT_3 var_699_arg_2 = state_209; [L1319] EXPR var_699_arg_0 ? var_699_arg_1 : var_699_arg_2 [L1319] SORT_3 var_699 = var_699_arg_0 ? var_699_arg_1 : var_699_arg_2; [L1320] SORT_1 var_700_arg_0 = input_7; [L1321] SORT_3 var_700_arg_1 = var_582; [L1322] SORT_3 var_700_arg_2 = var_699; [L1323] EXPR var_700_arg_0 ? var_700_arg_1 : var_700_arg_2 [L1323] SORT_3 var_700 = var_700_arg_0 ? var_700_arg_1 : var_700_arg_2; [L1324] var_700 = var_700 & mask_SORT_3 [L1325] SORT_3 next_701_arg_1 = var_700; [L1326] SORT_1 next_702_arg_1 = var_233; [L1327] SORT_1 var_518_arg_0 = input_6; [L1328] var_518_arg_0 = var_518_arg_0 & mask_SORT_1 [L1329] SORT_11 var_518 = var_518_arg_0; [L1330] SORT_11 var_519_arg_0 = state_282; [L1331] SORT_11 var_519_arg_1 = var_518; [L1332] SORT_11 var_519 = var_519_arg_0 + var_519_arg_1; [L1333] SORT_1 var_703_arg_0 = var_242; [L1334] SORT_11 var_703_arg_1 = var_519; [L1335] SORT_11 var_703_arg_2 = state_282; [L1336] EXPR var_703_arg_0 ? var_703_arg_1 : var_703_arg_2 [L1336] SORT_11 var_703 = var_703_arg_0 ? var_703_arg_1 : var_703_arg_2; [L1337] SORT_1 var_704_arg_0 = input_7; [L1338] SORT_11 var_704_arg_1 = var_203; [L1339] SORT_11 var_704_arg_2 = var_703; [L1340] EXPR var_704_arg_0 ? var_704_arg_1 : var_704_arg_2 [L1340] SORT_11 var_704 = var_704_arg_0 ? var_704_arg_1 : var_704_arg_2; [L1341] SORT_11 next_705_arg_1 = var_704; [L1343] state_10 = next_584_arg_1 [L1344] state_12 = next_587_arg_1 [L1345] state_18 = next_590_arg_1 [L1346] state_24 = next_593_arg_1 [L1347] state_29 = next_596_arg_1 [L1348] state_34 = next_599_arg_1 [L1349] state_39 = next_602_arg_1 [L1350] state_44 = next_605_arg_1 [L1351] state_49 = next_608_arg_1 [L1352] state_54 = next_611_arg_1 [L1353] state_59 = next_614_arg_1 [L1354] state_64 = next_617_arg_1 [L1355] state_69 = next_620_arg_1 [L1356] state_74 = next_623_arg_1 [L1357] state_79 = next_626_arg_1 [L1358] state_84 = next_629_arg_1 [L1359] state_89 = next_632_arg_1 [L1360] state_94 = next_635_arg_1 [L1361] state_99 = next_638_arg_1 [L1362] state_105 = next_641_arg_1 [L1363] state_110 = next_644_arg_1 [L1364] state_115 = next_647_arg_1 [L1365] state_120 = next_650_arg_1 [L1366] state_125 = next_653_arg_1 [L1367] state_130 = next_656_arg_1 [L1368] state_135 = next_659_arg_1 [L1369] state_140 = next_662_arg_1 [L1370] state_146 = next_665_arg_1 [L1371] state_151 = next_668_arg_1 [L1372] state_156 = next_671_arg_1 [L1373] state_161 = next_674_arg_1 [L1374] state_167 = next_677_arg_1 [L1375] state_172 = next_680_arg_1 [L1376] state_177 = next_683_arg_1 [L1377] state_182 = next_689_arg_1 [L1378] state_190 = next_692_arg_1 [L1379] state_191 = next_695_arg_1 [L1380] state_194 = next_698_arg_1 [L1381] state_209 = next_701_arg_1 [L1382] state_213 = next_702_arg_1 [L1383] state_282 = next_705_arg_1 VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=43, input_231=1, input_4=0, input_5=6, input_6=1, input_7=0, input_8=1, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=18446744073709551615, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=9223372036854775808, next_584_arg_1=9223372036854775855, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=9223372036854775825, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=1, next_692_arg_1=1, next_695_arg_1=1, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=9223372036854775855, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=9223372036854775825, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=1, state_190=1, state_191=1, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=0, var_103_arg_0=0, var_103_arg_1=1, var_104=0, var_104_arg_0=0, var_104_arg_1=0, var_104_arg_2=0, var_106=14, var_107=252, var_107_arg_0=252, var_108=0, var_108_arg_0=0, var_108_arg_1=252, var_109=0, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=0, var_111=13, var_112=1, var_112_arg_0=1, var_113=0, var_113_arg_0=0, var_113_arg_1=1, var_114=0, var_114_arg_0=0, var_114_arg_1=0, var_114_arg_2=0, var_116=12, var_117=12, var_117_arg_0=12, var_118=0, var_118_arg_0=0, var_118_arg_1=12, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=0, var_122_arg_0=0, var_123=1, var_123_arg_0=0, var_123_arg_1=0, var_124=0, var_124_arg_0=1, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=56, var_127_arg_0=56, var_128=0, var_128_arg_0=0, var_128_arg_1=56, var_129=0, var_129_arg_0=0, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=253, var_132_arg_0=253, var_133=0, var_133_arg_0=0, var_133_arg_1=253, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=8, var_137_arg_0=8, var_138=0, var_138_arg_0=0, var_138_arg_1=8, var_139=0, var_139_arg_0=0, var_139_arg_1=0, var_139_arg_2=0, var_14=0, var_142=7, var_143=7, var_143_arg_0=7, var_144=0, var_144_arg_0=0, var_144_arg_1=7, var_145=0, var_145_arg_0=0, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=0, var_148_arg_0=0, var_149=1, var_149_arg_0=0, var_149_arg_1=0, var_14_arg_0=0, var_15=32, var_150=0, var_150_arg_0=1, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=0, var_154_arg_0=0, var_154_arg_1=1, var_155=0, var_155_arg_0=0, var_155_arg_1=9223372036854775825, var_155_arg_2=0, var_157=4, var_158=0, var_158_arg_0=0, var_159=1, var_159_arg_0=0, var_159_arg_1=0, var_16=0, var_160=0, var_160_arg_0=1, var_160_arg_1=0, var_160_arg_2=0, var_163=3, var_164=0, var_164_arg_0=0, var_165=1, var_165_arg_0=0, var_165_arg_1=0, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=0, var_168=2, var_169=254, var_169_arg_0=254, var_16_arg_0=0, var_16_arg_1=32, var_17=0, var_170=0, var_170_arg_0=0, var_170_arg_1=254, var_171=0, var_171_arg_0=0, var_171_arg_1=0, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=0, var_175_arg_0=0, var_175_arg_1=1, var_176=0, var_176_arg_0=0, var_176_arg_1=0, var_176_arg_2=0, var_178=0, var_178_arg_0=0, var_179=0, var_179_arg_0=0, var_17_arg_0=0, var_17_arg_1=9223372036854775855, var_17_arg_2=0, var_180=0, var_180_arg_0=0, var_180_arg_1=0, var_180_arg_2=0, var_183=0, var_183_arg_0=0, var_184=28, var_184_arg_0=0, var_186=33, var_187=0, var_187_arg_0=0, var_188=1, var_188_arg_0=0, var_188_arg_1=0, var_192=1, var_192_arg_0=1, var_193=1, var_193_arg_0=1, var_193_arg_1=1, var_195=1, var_195_arg_0=255, var_196=1, var_196_arg_0=1, var_196_arg_1=1, var_197=0, var_197_arg_0=1, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=255, var_200_arg_0=255, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=255, var_202_arg_0=255, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=0, var_204_arg_1=0, var_204_arg_2=255, var_205=0, var_205_arg_0=0, var_206=37, var_206_arg_0=0, var_207=1, var_207_arg_0=1, var_207_arg_1=37, var_208=0, var_208_arg_0=1, var_21=0, var_210=1, var_210_arg_0=0, var_210_arg_1=0, var_211=1, var_211_arg_0=0, var_211_arg_1=1, var_215=0, var_215_arg_0=0, var_215_arg_1=1, var_216=1, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=1, var_219=48, var_219_arg_0=1, var_21_arg_0=0, var_22=1, var_220=0, var_220_arg_0=1, var_221=0, var_221_arg_0=48, var_221_arg_1=0, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=1, var_225=1, var_225_arg_0=28, var_226=1, var_226_arg_0=6, var_227=1, var_227_arg_0=1, var_227_arg_1=1, var_228=2, var_228_arg_0=1, var_229=1, var_229_arg_0=1, var_229_arg_1=2, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=255, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=255, var_23_arg_0=1, var_23_arg_1=0, var_23_arg_2=0, var_241=50, var_241_arg_0=1, var_241_arg_1=6, var_242=0, var_242_arg_0=50, var_242_arg_1=0, var_25=30, var_26=0, var_26_arg_0=0, var_27=1, var_27_arg_0=0, var_27_arg_1=0, var_28=0, var_283=0, var_283_arg_0=0, var_284=0, var_284_arg_0=0, var_285=2, var_285_arg_0=0, var_286=0, var_286_arg_0=1, var_286_arg_1=2, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=0, var_291_arg_0=0, var_292=1, var_292_arg_0=0, var_292_arg_1=0, var_293=1, var_293_arg_0=1, var_293_arg_1=1, var_298=40, var_298_arg_0=40, var_299=0, var_299_arg_0=0, var_299_arg_1=40, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=0, var_305_arg_0=0, var_306=1, var_306_arg_0=0, var_306_arg_1=0, var_307=1, var_307_arg_0=1, var_307_arg_1=1, var_31=0, var_312=0, var_312_arg_0=0, var_313=1, var_313_arg_0=0, var_313_arg_1=0, var_314=1, var_314_arg_0=1, var_314_arg_1=1, var_319=0, var_319_arg_0=0, var_31_arg_0=0, var_32=1, var_320=1, var_320_arg_0=0, var_320_arg_1=0, var_321=1, var_321_arg_0=1, var_321_arg_1=1, var_326=15, var_326_arg_0=15, var_327=0, var_327_arg_0=0, var_327_arg_1=15, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=0, var_32_arg_1=0, var_33=0, var_333=253, var_333_arg_0=253, var_334=0, var_334_arg_0=0, var_334_arg_1=253, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=1, var_33_arg_1=0, var_33_arg_2=0, var_340=251, var_340_arg_0=251, var_341=0, var_341_arg_0=0, var_341_arg_1=251, var_342=0, var_342_arg_0=1, var_342_arg_1=0, var_347=18, var_347_arg_0=18, var_348=0, var_348_arg_0=0, var_348_arg_1=18, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=2, var_354_arg_0=2, var_355=0, var_355_arg_0=0, var_355_arg_1=2, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=0, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=0, var_368_arg_0=0, var_369=1, var_369_arg_0=0, var_369_arg_1=0, var_36_arg_0=0, var_37=1, var_370=1, var_370_arg_0=1, var_370_arg_1=1, var_375=250, var_375_arg_0=250, var_376=0, var_376_arg_0=0, var_376_arg_1=250, var_377=0, var_377_arg_0=1, var_377_arg_1=0, var_37_arg_0=0, var_37_arg_1=0, var_38=0, var_382=0, var_382_arg_0=0, var_383=1, var_383_arg_0=0, var_383_arg_1=0, var_384=1, var_384_arg_0=1, var_384_arg_1=1, var_389=0, var_389_arg_0=0, var_38_arg_0=1, var_38_arg_1=0, var_38_arg_2=0, var_390=1, var_390_arg_0=0, var_390_arg_1=0, var_391=1, var_391_arg_0=1, var_391_arg_1=1, var_396=0, var_396_arg_0=0, var_397=1, var_397_arg_0=0, var_397_arg_1=0, var_398=1, var_398_arg_0=1, var_398_arg_1=1, var_40=27, var_403=0, var_403_arg_0=0, var_404=1, var_404_arg_0=0, var_404_arg_1=0, var_405=1, var_405_arg_0=1, var_405_arg_1=1, var_41=1, var_410=0, var_410_arg_0=0, var_411=1, var_411_arg_0=0, var_411_arg_1=0, var_412=1, var_412_arg_0=1, var_412_arg_1=1, var_417=250, var_417_arg_0=250, var_418=0, var_418_arg_0=0, var_418_arg_1=250, var_419=0, var_419_arg_0=1, var_419_arg_1=0, var_41_arg_0=1, var_42=0, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=0, var_42_arg_1=1, var_43=0, var_431=0, var_431_arg_0=0, var_432=1, var_432_arg_0=0, var_432_arg_1=0, var_433=1, var_433_arg_0=1, var_433_arg_1=1, var_438=0, var_438_arg_0=0, var_439=1, var_439_arg_0=0, var_439_arg_1=0, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_440=1, var_440_arg_0=1, var_440_arg_1=1, var_445=0, var_445_arg_0=0, var_446=1, var_446_arg_0=0, var_446_arg_1=0, var_447=1, var_447_arg_0=1, var_447_arg_1=1, var_45=26, var_452=3, var_452_arg_0=3, var_453=0, var_453_arg_0=0, var_453_arg_1=3, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=5, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=0, var_465_arg_0=0, var_466=1, var_466_arg_0=0, var_466_arg_1=0, var_467=1, var_467_arg_0=1, var_467_arg_1=1, var_46_arg_0=5, var_47=0, var_472=38, var_472_arg_0=38, var_473=0, var_473_arg_0=0, var_473_arg_1=38, var_474=0, var_474_arg_0=1, var_474_arg_1=0, var_479=1, var_479_arg_0=1, var_47_arg_0=0, var_47_arg_1=5, var_48=0, var_480=0, var_480_arg_0=0, var_480_arg_1=1, var_481=0, var_481_arg_0=1, var_481_arg_1=0, var_486=0, var_486_arg_0=0, var_487=1, var_487_arg_0=0, var_487_arg_1=0, var_488=1, var_488_arg_0=1, var_488_arg_1=1, var_48_arg_0=0, var_48_arg_1=0, var_48_arg_2=0, var_493=0, var_493_arg_0=0, var_494=1, var_494_arg_0=0, var_494_arg_1=0, var_495=1, var_495_arg_0=1, var_495_arg_1=1, var_50=25, var_500=251, var_500_arg_0=251, var_501=0, var_501_arg_0=0, var_501_arg_1=251, var_502=0, var_502_arg_0=1, var_502_arg_1=0, var_507=252, var_507_arg_0=252, var_508=0, var_508_arg_0=0, var_508_arg_1=252, var_509=0, var_509_arg_0=1, var_509_arg_1=0, var_51=0, var_512=0, var_512_arg_0=0, var_513=0, var_513_arg_0=0, var_513_arg_1=0, var_518=1, var_518_arg_0=1, var_519=1, var_519_arg_0=0, var_519_arg_1=1, var_51_arg_0=0, var_52=1, var_52_arg_0=0, var_52_arg_1=0, var_53=9223372036854775841, var_538=1, var_538_arg_0=1, var_538_arg_1=1, var_539=1, var_539_arg_0=1, var_539_arg_1=1, var_53_arg_0=1, var_53_arg_1=9223372036854775841, var_53_arg_2=0, var_542=0, var_542_arg_0=1, var_547=0, var_547_arg_0=1, var_547_arg_1=0, var_55=24, var_550=1, var_550_arg_0=1, var_550_arg_1=1, var_56=0, var_562=34, var_562_arg_0=1, var_562_arg_1=6, var_563=34, var_563_arg_0=34, var_563_arg_1=0, var_564=0, var_564_arg_0=34, var_564_arg_1=1, var_56_arg_0=0, var_57=1, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_581=9223372036854775855, var_581_arg_0=0, var_581_arg_1=0, var_581_arg_2=9223372036854775855, var_582=0, var_583=9223372036854775855, var_583_arg_0=0, var_583_arg_1=0, var_583_arg_2=9223372036854775855, var_585=0, var_585_arg_0=0, var_585_arg_1=0, var_585_arg_2=0, var_586=0, var_586_arg_0=0, var_586_arg_1=0, var_586_arg_2=0, var_588=0, var_588_arg_0=0, var_588_arg_1=0, var_588_arg_2=0, var_589=0, var_589_arg_0=0, var_589_arg_1=0, var_589_arg_2=0, var_58_arg_0=1, var_58_arg_1=0, var_58_arg_2=9223372036854775841, var_591=0, var_591_arg_0=1, var_591_arg_1=0, var_591_arg_2=0, var_592=0, var_592_arg_0=0, var_592_arg_1=0, var_592_arg_2=0, var_594=0, var_594_arg_0=1, var_594_arg_1=0, var_594_arg_2=0, var_595=0, var_595_arg_0=0, var_595_arg_1=0, var_595_arg_2=0, var_597=0, var_597_arg_0=0, var_597_arg_1=0, var_597_arg_2=0, var_598=0, var_598_arg_0=0, var_598_arg_1=0, var_598_arg_2=0, var_60=23, var_600=0, var_600_arg_0=0, var_600_arg_1=0, var_600_arg_2=0, var_601=0, var_601_arg_0=0, var_601_arg_1=0, var_601_arg_2=0, var_603=0, var_603_arg_0=1, var_603_arg_1=0, var_603_arg_2=0, var_604=0, var_604_arg_0=0, var_604_arg_1=0, var_604_arg_2=0, var_606=0, var_606_arg_0=1, var_606_arg_1=0, var_606_arg_2=9223372036854775841, var_607=0, var_607_arg_0=0, var_607_arg_1=0, var_607_arg_2=0, var_609=0, var_609_arg_0=1, var_609_arg_1=0, var_609_arg_2=0, var_61=1, var_610=0, var_610_arg_0=0, var_610_arg_1=0, var_610_arg_2=0, var_612=0, var_612_arg_0=1, var_612_arg_1=0, var_612_arg_2=0, var_613=0, var_613_arg_0=0, var_613_arg_1=0, var_613_arg_2=0, var_615=0, var_615_arg_0=1, var_615_arg_1=0, var_615_arg_2=0, var_616=0, var_616_arg_0=0, var_616_arg_1=0, var_616_arg_2=0, var_618=0, var_618_arg_0=0, var_618_arg_1=0, var_618_arg_2=0, var_619=0, var_619_arg_0=0, var_619_arg_1=0, var_619_arg_2=0, var_61_arg_0=1, var_62=0, var_621=0, var_621_arg_0=1, var_621_arg_1=0, var_621_arg_2=9223372036854775846, var_622=0, var_622_arg_0=0, var_622_arg_1=0, var_622_arg_2=0, var_624=0, var_624_arg_0=0, var_624_arg_1=0, var_624_arg_2=0, var_625=0, var_625_arg_0=0, var_625_arg_1=0, var_625_arg_2=0, var_627=0, var_627_arg_0=0, var_627_arg_1=0, var_627_arg_2=0, var_628=0, var_628_arg_0=0, var_628_arg_1=0, var_628_arg_2=0, var_62_arg_0=0, var_62_arg_1=1, var_63=0, var_630=0, var_630_arg_0=0, var_630_arg_1=0, var_630_arg_2=0, var_631=0, var_631_arg_0=0, var_631_arg_1=0, var_631_arg_2=0, var_633=0, var_633_arg_0=0, var_633_arg_1=0, var_633_arg_2=0, var_634=0, var_634_arg_0=0, var_634_arg_1=0, var_634_arg_2=0, var_636=0, var_636_arg_0=0, var_636_arg_1=0, var_636_arg_2=0, var_637=0, var_637_arg_0=0, var_637_arg_1=0, var_637_arg_2=0, var_639=0, var_639_arg_0=1, var_639_arg_1=0, var_639_arg_2=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_640=0, var_640_arg_0=0, var_640_arg_1=0, var_640_arg_2=0, var_642=0, var_642_arg_0=1, var_642_arg_1=0, var_642_arg_2=0, var_643=0, var_643_arg_0=0, var_643_arg_1=0, var_643_arg_2=0, var_645=0, var_645_arg_0=1, var_645_arg_1=0, var_645_arg_2=0, var_646=0, var_646_arg_0=0, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=0, var_648_arg_2=0, var_649=0, var_649_arg_0=0, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=1, var_651_arg_1=0, var_651_arg_2=0, var_652=0, var_652_arg_0=0, var_652_arg_1=0, var_652_arg_2=0, var_654=0, var_654_arg_0=0, var_654_arg_1=0, var_654_arg_2=0, var_655=0, var_655_arg_0=0, var_655_arg_1=0, var_655_arg_2=0, var_657=0, var_657_arg_0=0, var_657_arg_1=0, var_657_arg_2=0, var_658=0, var_658_arg_0=0, var_658_arg_1=0, var_658_arg_2=0, var_66=0, var_660=0, var_660_arg_0=1, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=0, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=1, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=0, var_664_arg_1=0, var_664_arg_2=0, var_666=9223372036854775825, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=9223372036854775825, var_667=9223372036854775825, var_667_arg_0=0, var_667_arg_1=0, var_667_arg_2=9223372036854775825, var_669=0, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=0, var_66_arg_0=0, var_67=1, var_670=0, var_670_arg_0=0, var_670_arg_1=0, var_670_arg_2=0, var_672=0, var_672_arg_0=1, var_672_arg_1=0, var_672_arg_2=0, var_673=0, var_673_arg_0=0, var_673_arg_1=0, var_673_arg_2=0, var_675=0, var_675_arg_0=1, var_675_arg_1=0, var_675_arg_2=0, var_676=0, var_676_arg_0=0, var_676_arg_1=0, var_676_arg_2=0, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=0, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_681=0, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=0, var_682=0, var_682_arg_0=0, var_682_arg_1=0, var_682_arg_2=0, var_684=1, var_684_arg_0=1, var_685=1, var_685_arg_0=0, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=1, var_687_arg_0=1, var_687_arg_1=0, var_688=1, var_688_arg_0=0, var_688_arg_1=0, var_688_arg_2=1, var_68_arg_0=1, var_68_arg_1=0, var_68_arg_2=0, var_690=1, var_690_arg_0=0, var_690_arg_1=1, var_690_arg_2=1, var_691=1, var_691_arg_0=0, var_691_arg_1=0, var_691_arg_2=1, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=1, var_694_arg_0=0, var_694_arg_1=0, var_694_arg_2=1, var_696=255, var_696_arg_0=0, var_696_arg_1=0, var_696_arg_2=255, var_697=0, var_697_arg_0=0, var_697_arg_1=0, var_697_arg_2=255, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=0, var_700_arg_1=0, var_700_arg_2=0, var_703=0, var_703_arg_0=0, var_703_arg_1=1, var_703_arg_2=0, var_704=0, var_704_arg_0=0, var_704_arg_1=0, var_704_arg_2=0, var_71=0, var_71_arg_0=0, var_72=1, var_72_arg_0=0, var_72_arg_1=0, var_73=0, var_73_arg_0=1, var_73_arg_1=0, var_73_arg_2=0, var_75=20, var_76=0, var_76_arg_0=0, var_77=1, var_77_arg_0=0, var_77_arg_1=0, var_78=9223372036854775846, var_78_arg_0=1, var_78_arg_1=9223372036854775846, var_78_arg_2=0, var_80=19, var_81=0, var_81_arg_0=0, var_82=1, var_82_arg_0=0, var_82_arg_1=0, var_83=0, var_83_arg_0=1, var_83_arg_1=0, var_83_arg_2=9223372036854775846, var_85=18, var_86=254, var_86_arg_0=254, var_87=0, var_87_arg_0=0, var_87_arg_1=254, var_88=0, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=0, var_90=17, var_91=1, var_91_arg_0=1, var_92=0, var_92_arg_0=0, var_92_arg_1=1, var_93=0, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=0, var_95=16, var_96=1, var_96_arg_0=1, var_97=0, var_97_arg_0=0, var_97_arg_1=1, var_98=0, var_98_arg_0=0, var_98_arg_1=0, var_98_arg_2=0] [L141] input_2 = __VERIFIER_nondet_uchar() [L142] input_4 = __VERIFIER_nondet_ulong() [L143] input_5 = __VERIFIER_nondet_uchar() [L144] input_6 = __VERIFIER_nondet_uchar() [L145] input_7 = __VERIFIER_nondet_uchar() [L146] input_7 = input_7 & mask_SORT_1 [L147] input_8 = __VERIFIER_nondet_uchar() [L148] input_9 = __VERIFIER_nondet_ulong() [L149] input_231 = __VERIFIER_nondet_uchar() [L151] SORT_1 var_215_arg_0 = input_7; [L152] SORT_1 var_215_arg_1 = state_213; [L153] SORT_1 var_215 = var_215_arg_0 == var_215_arg_1; [L154] SORT_1 var_216_arg_0 = var_173; [L155] SORT_1 var_216 = ~var_216_arg_0; [L156] SORT_1 var_217_arg_0 = var_215; [L157] SORT_1 var_217_arg_1 = var_216; [L158] SORT_1 var_217 = var_217_arg_0 | var_217_arg_1; [L159] var_217 = var_217 & mask_SORT_1 [L160] SORT_1 constr_218_arg_0 = var_217; VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=6, input_231=1, input_4=9223372036854775819, input_5=0, input_6=2, input_7=1, input_8=19, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=18446744073709551615, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=9223372036854775808, next_584_arg_1=9223372036854775855, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=9223372036854775825, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=1, next_692_arg_1=1, next_695_arg_1=1, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=9223372036854775855, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=9223372036854775825, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=1, state_190=1, state_191=1, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=0, var_103_arg_0=0, var_103_arg_1=1, var_104=0, var_104_arg_0=0, var_104_arg_1=0, var_104_arg_2=0, var_106=14, var_107=252, var_107_arg_0=252, var_108=0, var_108_arg_0=0, var_108_arg_1=252, var_109=0, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=0, var_111=13, var_112=1, var_112_arg_0=1, var_113=0, var_113_arg_0=0, var_113_arg_1=1, var_114=0, var_114_arg_0=0, var_114_arg_1=0, var_114_arg_2=0, var_116=12, var_117=12, var_117_arg_0=12, var_118=0, var_118_arg_0=0, var_118_arg_1=12, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=0, var_122_arg_0=0, var_123=1, var_123_arg_0=0, var_123_arg_1=0, var_124=0, var_124_arg_0=1, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=56, var_127_arg_0=56, var_128=0, var_128_arg_0=0, var_128_arg_1=56, var_129=0, var_129_arg_0=0, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=253, var_132_arg_0=253, var_133=0, var_133_arg_0=0, var_133_arg_1=253, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=8, var_137_arg_0=8, var_138=0, var_138_arg_0=0, var_138_arg_1=8, var_139=0, var_139_arg_0=0, var_139_arg_1=0, var_139_arg_2=0, var_14=0, var_142=7, var_143=7, var_143_arg_0=7, var_144=0, var_144_arg_0=0, var_144_arg_1=7, var_145=0, var_145_arg_0=0, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=0, var_148_arg_0=0, var_149=1, var_149_arg_0=0, var_149_arg_1=0, var_14_arg_0=0, var_15=32, var_150=0, var_150_arg_0=1, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=0, var_154_arg_0=0, var_154_arg_1=1, var_155=0, var_155_arg_0=0, var_155_arg_1=9223372036854775825, var_155_arg_2=0, var_157=4, var_158=0, var_158_arg_0=0, var_159=1, var_159_arg_0=0, var_159_arg_1=0, var_16=0, var_160=0, var_160_arg_0=1, var_160_arg_1=0, var_160_arg_2=0, var_163=3, var_164=0, var_164_arg_0=0, var_165=1, var_165_arg_0=0, var_165_arg_1=0, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=0, var_168=2, var_169=254, var_169_arg_0=254, var_16_arg_0=0, var_16_arg_1=32, var_17=0, var_170=0, var_170_arg_0=0, var_170_arg_1=254, var_171=0, var_171_arg_0=0, var_171_arg_1=0, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=0, var_175_arg_0=0, var_175_arg_1=1, var_176=0, var_176_arg_0=0, var_176_arg_1=0, var_176_arg_2=0, var_178=0, var_178_arg_0=0, var_179=0, var_179_arg_0=0, var_17_arg_0=0, var_17_arg_1=9223372036854775855, var_17_arg_2=0, var_180=0, var_180_arg_0=0, var_180_arg_1=0, var_180_arg_2=0, var_183=0, var_183_arg_0=0, var_184=28, var_184_arg_0=0, var_186=33, var_187=0, var_187_arg_0=0, var_188=1, var_188_arg_0=0, var_188_arg_1=0, var_192=1, var_192_arg_0=1, var_193=1, var_193_arg_0=1, var_193_arg_1=1, var_195=1, var_195_arg_0=255, var_196=1, var_196_arg_0=1, var_196_arg_1=1, var_197=0, var_197_arg_0=1, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=255, var_200_arg_0=255, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=255, var_202_arg_0=255, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=0, var_204_arg_1=0, var_204_arg_2=255, var_205=0, var_205_arg_0=0, var_206=37, var_206_arg_0=0, var_207=1, var_207_arg_0=1, var_207_arg_1=37, var_208=0, var_208_arg_0=1, var_21=0, var_210=1, var_210_arg_0=0, var_210_arg_1=0, var_211=1, var_211_arg_0=0, var_211_arg_1=1, var_215=0, var_215_arg_0=1, var_215_arg_1=0, var_216=35, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=35, var_219=48, var_219_arg_0=1, var_21_arg_0=0, var_22=1, var_220=0, var_220_arg_0=1, var_221=0, var_221_arg_0=48, var_221_arg_1=0, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=1, var_225=1, var_225_arg_0=28, var_226=1, var_226_arg_0=6, var_227=1, var_227_arg_0=1, var_227_arg_1=1, var_228=2, var_228_arg_0=1, var_229=1, var_229_arg_0=1, var_229_arg_1=2, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=255, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=255, var_23_arg_0=1, var_23_arg_1=0, var_23_arg_2=0, var_241=50, var_241_arg_0=1, var_241_arg_1=6, var_242=0, var_242_arg_0=50, var_242_arg_1=0, var_25=30, var_26=0, var_26_arg_0=0, var_27=1, var_27_arg_0=0, var_27_arg_1=0, var_28=0, var_283=0, var_283_arg_0=0, var_284=0, var_284_arg_0=0, var_285=2, var_285_arg_0=0, var_286=0, var_286_arg_0=1, var_286_arg_1=2, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=0, var_291_arg_0=0, var_292=1, var_292_arg_0=0, var_292_arg_1=0, var_293=1, var_293_arg_0=1, var_293_arg_1=1, var_298=40, var_298_arg_0=40, var_299=0, var_299_arg_0=0, var_299_arg_1=40, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=0, var_305_arg_0=0, var_306=1, var_306_arg_0=0, var_306_arg_1=0, var_307=1, var_307_arg_0=1, var_307_arg_1=1, var_31=0, var_312=0, var_312_arg_0=0, var_313=1, var_313_arg_0=0, var_313_arg_1=0, var_314=1, var_314_arg_0=1, var_314_arg_1=1, var_319=0, var_319_arg_0=0, var_31_arg_0=0, var_32=1, var_320=1, var_320_arg_0=0, var_320_arg_1=0, var_321=1, var_321_arg_0=1, var_321_arg_1=1, var_326=15, var_326_arg_0=15, var_327=0, var_327_arg_0=0, var_327_arg_1=15, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=0, var_32_arg_1=0, var_33=0, var_333=253, var_333_arg_0=253, var_334=0, var_334_arg_0=0, var_334_arg_1=253, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=1, var_33_arg_1=0, var_33_arg_2=0, var_340=251, var_340_arg_0=251, var_341=0, var_341_arg_0=0, var_341_arg_1=251, var_342=0, var_342_arg_0=1, var_342_arg_1=0, var_347=18, var_347_arg_0=18, var_348=0, var_348_arg_0=0, var_348_arg_1=18, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=2, var_354_arg_0=2, var_355=0, var_355_arg_0=0, var_355_arg_1=2, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=0, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=0, var_368_arg_0=0, var_369=1, var_369_arg_0=0, var_369_arg_1=0, var_36_arg_0=0, var_37=1, var_370=1, var_370_arg_0=1, var_370_arg_1=1, var_375=250, var_375_arg_0=250, var_376=0, var_376_arg_0=0, var_376_arg_1=250, var_377=0, var_377_arg_0=1, var_377_arg_1=0, var_37_arg_0=0, var_37_arg_1=0, var_38=0, var_382=0, var_382_arg_0=0, var_383=1, var_383_arg_0=0, var_383_arg_1=0, var_384=1, var_384_arg_0=1, var_384_arg_1=1, var_389=0, var_389_arg_0=0, var_38_arg_0=1, var_38_arg_1=0, var_38_arg_2=0, var_390=1, var_390_arg_0=0, var_390_arg_1=0, var_391=1, var_391_arg_0=1, var_391_arg_1=1, var_396=0, var_396_arg_0=0, var_397=1, var_397_arg_0=0, var_397_arg_1=0, var_398=1, var_398_arg_0=1, var_398_arg_1=1, var_40=27, var_403=0, var_403_arg_0=0, var_404=1, var_404_arg_0=0, var_404_arg_1=0, var_405=1, var_405_arg_0=1, var_405_arg_1=1, var_41=1, var_410=0, var_410_arg_0=0, var_411=1, var_411_arg_0=0, var_411_arg_1=0, var_412=1, var_412_arg_0=1, var_412_arg_1=1, var_417=250, var_417_arg_0=250, var_418=0, var_418_arg_0=0, var_418_arg_1=250, var_419=0, var_419_arg_0=1, var_419_arg_1=0, var_41_arg_0=1, var_42=0, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=0, var_42_arg_1=1, var_43=0, var_431=0, var_431_arg_0=0, var_432=1, var_432_arg_0=0, var_432_arg_1=0, var_433=1, var_433_arg_0=1, var_433_arg_1=1, var_438=0, var_438_arg_0=0, var_439=1, var_439_arg_0=0, var_439_arg_1=0, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_440=1, var_440_arg_0=1, var_440_arg_1=1, var_445=0, var_445_arg_0=0, var_446=1, var_446_arg_0=0, var_446_arg_1=0, var_447=1, var_447_arg_0=1, var_447_arg_1=1, var_45=26, var_452=3, var_452_arg_0=3, var_453=0, var_453_arg_0=0, var_453_arg_1=3, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=5, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=0, var_465_arg_0=0, var_466=1, var_466_arg_0=0, var_466_arg_1=0, var_467=1, var_467_arg_0=1, var_467_arg_1=1, var_46_arg_0=5, var_47=0, var_472=38, var_472_arg_0=38, var_473=0, var_473_arg_0=0, var_473_arg_1=38, var_474=0, var_474_arg_0=1, var_474_arg_1=0, var_479=1, var_479_arg_0=1, var_47_arg_0=0, var_47_arg_1=5, var_48=0, var_480=0, var_480_arg_0=0, var_480_arg_1=1, var_481=0, var_481_arg_0=1, var_481_arg_1=0, var_486=0, var_486_arg_0=0, var_487=1, var_487_arg_0=0, var_487_arg_1=0, var_488=1, var_488_arg_0=1, var_488_arg_1=1, var_48_arg_0=0, var_48_arg_1=0, var_48_arg_2=0, var_493=0, var_493_arg_0=0, var_494=1, var_494_arg_0=0, var_494_arg_1=0, var_495=1, var_495_arg_0=1, var_495_arg_1=1, var_50=25, var_500=251, var_500_arg_0=251, var_501=0, var_501_arg_0=0, var_501_arg_1=251, var_502=0, var_502_arg_0=1, var_502_arg_1=0, var_507=252, var_507_arg_0=252, var_508=0, var_508_arg_0=0, var_508_arg_1=252, var_509=0, var_509_arg_0=1, var_509_arg_1=0, var_51=0, var_512=0, var_512_arg_0=0, var_513=0, var_513_arg_0=0, var_513_arg_1=0, var_518=1, var_518_arg_0=1, var_519=1, var_519_arg_0=0, var_519_arg_1=1, var_51_arg_0=0, var_52=1, var_52_arg_0=0, var_52_arg_1=0, var_53=9223372036854775841, var_538=1, var_538_arg_0=1, var_538_arg_1=1, var_539=1, var_539_arg_0=1, var_539_arg_1=1, var_53_arg_0=1, var_53_arg_1=9223372036854775841, var_53_arg_2=0, var_542=0, var_542_arg_0=1, var_547=0, var_547_arg_0=1, var_547_arg_1=0, var_55=24, var_550=1, var_550_arg_0=1, var_550_arg_1=1, var_56=0, var_562=34, var_562_arg_0=1, var_562_arg_1=6, var_563=34, var_563_arg_0=34, var_563_arg_1=0, var_564=0, var_564_arg_0=34, var_564_arg_1=1, var_56_arg_0=0, var_57=1, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_581=9223372036854775855, var_581_arg_0=0, var_581_arg_1=0, var_581_arg_2=9223372036854775855, var_582=0, var_583=9223372036854775855, var_583_arg_0=0, var_583_arg_1=0, var_583_arg_2=9223372036854775855, var_585=0, var_585_arg_0=0, var_585_arg_1=0, var_585_arg_2=0, var_586=0, var_586_arg_0=0, var_586_arg_1=0, var_586_arg_2=0, var_588=0, var_588_arg_0=0, var_588_arg_1=0, var_588_arg_2=0, var_589=0, var_589_arg_0=0, var_589_arg_1=0, var_589_arg_2=0, var_58_arg_0=1, var_58_arg_1=0, var_58_arg_2=9223372036854775841, var_591=0, var_591_arg_0=1, var_591_arg_1=0, var_591_arg_2=0, var_592=0, var_592_arg_0=0, var_592_arg_1=0, var_592_arg_2=0, var_594=0, var_594_arg_0=1, var_594_arg_1=0, var_594_arg_2=0, var_595=0, var_595_arg_0=0, var_595_arg_1=0, var_595_arg_2=0, var_597=0, var_597_arg_0=0, var_597_arg_1=0, var_597_arg_2=0, var_598=0, var_598_arg_0=0, var_598_arg_1=0, var_598_arg_2=0, var_60=23, var_600=0, var_600_arg_0=0, var_600_arg_1=0, var_600_arg_2=0, var_601=0, var_601_arg_0=0, var_601_arg_1=0, var_601_arg_2=0, var_603=0, var_603_arg_0=1, var_603_arg_1=0, var_603_arg_2=0, var_604=0, var_604_arg_0=0, var_604_arg_1=0, var_604_arg_2=0, var_606=0, var_606_arg_0=1, var_606_arg_1=0, var_606_arg_2=9223372036854775841, var_607=0, var_607_arg_0=0, var_607_arg_1=0, var_607_arg_2=0, var_609=0, var_609_arg_0=1, var_609_arg_1=0, var_609_arg_2=0, var_61=1, var_610=0, var_610_arg_0=0, var_610_arg_1=0, var_610_arg_2=0, var_612=0, var_612_arg_0=1, var_612_arg_1=0, var_612_arg_2=0, var_613=0, var_613_arg_0=0, var_613_arg_1=0, var_613_arg_2=0, var_615=0, var_615_arg_0=1, var_615_arg_1=0, var_615_arg_2=0, var_616=0, var_616_arg_0=0, var_616_arg_1=0, var_616_arg_2=0, var_618=0, var_618_arg_0=0, var_618_arg_1=0, var_618_arg_2=0, var_619=0, var_619_arg_0=0, var_619_arg_1=0, var_619_arg_2=0, var_61_arg_0=1, var_62=0, var_621=0, var_621_arg_0=1, var_621_arg_1=0, var_621_arg_2=9223372036854775846, var_622=0, var_622_arg_0=0, var_622_arg_1=0, var_622_arg_2=0, var_624=0, var_624_arg_0=0, var_624_arg_1=0, var_624_arg_2=0, var_625=0, var_625_arg_0=0, var_625_arg_1=0, var_625_arg_2=0, var_627=0, var_627_arg_0=0, var_627_arg_1=0, var_627_arg_2=0, var_628=0, var_628_arg_0=0, var_628_arg_1=0, var_628_arg_2=0, var_62_arg_0=0, var_62_arg_1=1, var_63=0, var_630=0, var_630_arg_0=0, var_630_arg_1=0, var_630_arg_2=0, var_631=0, var_631_arg_0=0, var_631_arg_1=0, var_631_arg_2=0, var_633=0, var_633_arg_0=0, var_633_arg_1=0, var_633_arg_2=0, var_634=0, var_634_arg_0=0, var_634_arg_1=0, var_634_arg_2=0, var_636=0, var_636_arg_0=0, var_636_arg_1=0, var_636_arg_2=0, var_637=0, var_637_arg_0=0, var_637_arg_1=0, var_637_arg_2=0, var_639=0, var_639_arg_0=1, var_639_arg_1=0, var_639_arg_2=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_640=0, var_640_arg_0=0, var_640_arg_1=0, var_640_arg_2=0, var_642=0, var_642_arg_0=1, var_642_arg_1=0, var_642_arg_2=0, var_643=0, var_643_arg_0=0, var_643_arg_1=0, var_643_arg_2=0, var_645=0, var_645_arg_0=1, var_645_arg_1=0, var_645_arg_2=0, var_646=0, var_646_arg_0=0, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=0, var_648_arg_2=0, var_649=0, var_649_arg_0=0, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=1, var_651_arg_1=0, var_651_arg_2=0, var_652=0, var_652_arg_0=0, var_652_arg_1=0, var_652_arg_2=0, var_654=0, var_654_arg_0=0, var_654_arg_1=0, var_654_arg_2=0, var_655=0, var_655_arg_0=0, var_655_arg_1=0, var_655_arg_2=0, var_657=0, var_657_arg_0=0, var_657_arg_1=0, var_657_arg_2=0, var_658=0, var_658_arg_0=0, var_658_arg_1=0, var_658_arg_2=0, var_66=0, var_660=0, var_660_arg_0=1, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=0, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=1, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=0, var_664_arg_1=0, var_664_arg_2=0, var_666=9223372036854775825, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=9223372036854775825, var_667=9223372036854775825, var_667_arg_0=0, var_667_arg_1=0, var_667_arg_2=9223372036854775825, var_669=0, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=0, var_66_arg_0=0, var_67=1, var_670=0, var_670_arg_0=0, var_670_arg_1=0, var_670_arg_2=0, var_672=0, var_672_arg_0=1, var_672_arg_1=0, var_672_arg_2=0, var_673=0, var_673_arg_0=0, var_673_arg_1=0, var_673_arg_2=0, var_675=0, var_675_arg_0=1, var_675_arg_1=0, var_675_arg_2=0, var_676=0, var_676_arg_0=0, var_676_arg_1=0, var_676_arg_2=0, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=0, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_681=0, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=0, var_682=0, var_682_arg_0=0, var_682_arg_1=0, var_682_arg_2=0, var_684=1, var_684_arg_0=1, var_685=1, var_685_arg_0=0, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=1, var_687_arg_0=1, var_687_arg_1=0, var_688=1, var_688_arg_0=0, var_688_arg_1=0, var_688_arg_2=1, var_68_arg_0=1, var_68_arg_1=0, var_68_arg_2=0, var_690=1, var_690_arg_0=0, var_690_arg_1=1, var_690_arg_2=1, var_691=1, var_691_arg_0=0, var_691_arg_1=0, var_691_arg_2=1, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=1, var_694_arg_0=0, var_694_arg_1=0, var_694_arg_2=1, var_696=255, var_696_arg_0=0, var_696_arg_1=0, var_696_arg_2=255, var_697=0, var_697_arg_0=0, var_697_arg_1=0, var_697_arg_2=255, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=0, var_700_arg_1=0, var_700_arg_2=0, var_703=0, var_703_arg_0=0, var_703_arg_1=1, var_703_arg_2=0, var_704=0, var_704_arg_0=0, var_704_arg_1=0, var_704_arg_2=0, var_71=0, var_71_arg_0=0, var_72=1, var_72_arg_0=0, var_72_arg_1=0, var_73=0, var_73_arg_0=1, var_73_arg_1=0, var_73_arg_2=0, var_75=20, var_76=0, var_76_arg_0=0, var_77=1, var_77_arg_0=0, var_77_arg_1=0, var_78=9223372036854775846, var_78_arg_0=1, var_78_arg_1=9223372036854775846, var_78_arg_2=0, var_80=19, var_81=0, var_81_arg_0=0, var_82=1, var_82_arg_0=0, var_82_arg_1=0, var_83=0, var_83_arg_0=1, var_83_arg_1=0, var_83_arg_2=9223372036854775846, var_85=18, var_86=254, var_86_arg_0=254, var_87=0, var_87_arg_0=0, var_87_arg_1=254, var_88=0, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=0, var_90=17, var_91=1, var_91_arg_0=1, var_92=0, var_92_arg_0=0, var_92_arg_1=1, var_93=0, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=0, var_95=16, var_96=1, var_96_arg_0=1, var_97=0, var_97_arg_0=0, var_97_arg_1=1, var_98=0, var_98_arg_0=0, var_98_arg_1=0, var_98_arg_2=0] [L161] CALL assume_abort_if_not(constr_218_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L161] RET assume_abort_if_not(constr_218_arg_0) VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=6, input_231=1, input_4=9223372036854775819, input_5=0, input_6=2, input_7=1, input_8=19, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=18446744073709551615, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=9223372036854775808, next_584_arg_1=9223372036854775855, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=9223372036854775825, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=1, next_692_arg_1=1, next_695_arg_1=1, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=9223372036854775855, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=9223372036854775825, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=1, state_190=1, state_191=1, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=0, var_103_arg_0=0, var_103_arg_1=1, var_104=0, var_104_arg_0=0, var_104_arg_1=0, var_104_arg_2=0, var_106=14, var_107=252, var_107_arg_0=252, var_108=0, var_108_arg_0=0, var_108_arg_1=252, var_109=0, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=0, var_111=13, var_112=1, var_112_arg_0=1, var_113=0, var_113_arg_0=0, var_113_arg_1=1, var_114=0, var_114_arg_0=0, var_114_arg_1=0, var_114_arg_2=0, var_116=12, var_117=12, var_117_arg_0=12, var_118=0, var_118_arg_0=0, var_118_arg_1=12, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=0, var_122_arg_0=0, var_123=1, var_123_arg_0=0, var_123_arg_1=0, var_124=0, var_124_arg_0=1, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=56, var_127_arg_0=56, var_128=0, var_128_arg_0=0, var_128_arg_1=56, var_129=0, var_129_arg_0=0, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=253, var_132_arg_0=253, var_133=0, var_133_arg_0=0, var_133_arg_1=253, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=8, var_137_arg_0=8, var_138=0, var_138_arg_0=0, var_138_arg_1=8, var_139=0, var_139_arg_0=0, var_139_arg_1=0, var_139_arg_2=0, var_14=0, var_142=7, var_143=7, var_143_arg_0=7, var_144=0, var_144_arg_0=0, var_144_arg_1=7, var_145=0, var_145_arg_0=0, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=0, var_148_arg_0=0, var_149=1, var_149_arg_0=0, var_149_arg_1=0, var_14_arg_0=0, var_15=32, var_150=0, var_150_arg_0=1, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=0, var_154_arg_0=0, var_154_arg_1=1, var_155=0, var_155_arg_0=0, var_155_arg_1=9223372036854775825, var_155_arg_2=0, var_157=4, var_158=0, var_158_arg_0=0, var_159=1, var_159_arg_0=0, var_159_arg_1=0, var_16=0, var_160=0, var_160_arg_0=1, var_160_arg_1=0, var_160_arg_2=0, var_163=3, var_164=0, var_164_arg_0=0, var_165=1, var_165_arg_0=0, var_165_arg_1=0, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=0, var_168=2, var_169=254, var_169_arg_0=254, var_16_arg_0=0, var_16_arg_1=32, var_17=0, var_170=0, var_170_arg_0=0, var_170_arg_1=254, var_171=0, var_171_arg_0=0, var_171_arg_1=0, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=0, var_175_arg_0=0, var_175_arg_1=1, var_176=0, var_176_arg_0=0, var_176_arg_1=0, var_176_arg_2=0, var_178=0, var_178_arg_0=0, var_179=0, var_179_arg_0=0, var_17_arg_0=0, var_17_arg_1=9223372036854775855, var_17_arg_2=0, var_180=0, var_180_arg_0=0, var_180_arg_1=0, var_180_arg_2=0, var_183=0, var_183_arg_0=0, var_184=28, var_184_arg_0=0, var_186=33, var_187=0, var_187_arg_0=0, var_188=1, var_188_arg_0=0, var_188_arg_1=0, var_192=1, var_192_arg_0=1, var_193=1, var_193_arg_0=1, var_193_arg_1=1, var_195=1, var_195_arg_0=255, var_196=1, var_196_arg_0=1, var_196_arg_1=1, var_197=0, var_197_arg_0=1, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=255, var_200_arg_0=255, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=255, var_202_arg_0=255, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=0, var_204_arg_1=0, var_204_arg_2=255, var_205=0, var_205_arg_0=0, var_206=37, var_206_arg_0=0, var_207=1, var_207_arg_0=1, var_207_arg_1=37, var_208=0, var_208_arg_0=1, var_21=0, var_210=1, var_210_arg_0=0, var_210_arg_1=0, var_211=1, var_211_arg_0=0, var_211_arg_1=1, var_215=0, var_215_arg_0=1, var_215_arg_1=0, var_216=35, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=35, var_219=48, var_219_arg_0=1, var_21_arg_0=0, var_22=1, var_220=0, var_220_arg_0=1, var_221=0, var_221_arg_0=48, var_221_arg_1=0, var_222=1, var_222_arg_0=1, var_223=1, var_223_arg_0=0, var_223_arg_1=1, var_225=1, var_225_arg_0=28, var_226=1, var_226_arg_0=6, var_227=1, var_227_arg_0=1, var_227_arg_1=1, var_228=2, var_228_arg_0=1, var_229=1, var_229_arg_0=1, var_229_arg_1=2, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=255, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=255, var_23_arg_0=1, var_23_arg_1=0, var_23_arg_2=0, var_241=50, var_241_arg_0=1, var_241_arg_1=6, var_242=0, var_242_arg_0=50, var_242_arg_1=0, var_25=30, var_26=0, var_26_arg_0=0, var_27=1, var_27_arg_0=0, var_27_arg_1=0, var_28=0, var_283=0, var_283_arg_0=0, var_284=0, var_284_arg_0=0, var_285=2, var_285_arg_0=0, var_286=0, var_286_arg_0=1, var_286_arg_1=2, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=0, var_291_arg_0=0, var_292=1, var_292_arg_0=0, var_292_arg_1=0, var_293=1, var_293_arg_0=1, var_293_arg_1=1, var_298=40, var_298_arg_0=40, var_299=0, var_299_arg_0=0, var_299_arg_1=40, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=0, var_305_arg_0=0, var_306=1, var_306_arg_0=0, var_306_arg_1=0, var_307=1, var_307_arg_0=1, var_307_arg_1=1, var_31=0, var_312=0, var_312_arg_0=0, var_313=1, var_313_arg_0=0, var_313_arg_1=0, var_314=1, var_314_arg_0=1, var_314_arg_1=1, var_319=0, var_319_arg_0=0, var_31_arg_0=0, var_32=1, var_320=1, var_320_arg_0=0, var_320_arg_1=0, var_321=1, var_321_arg_0=1, var_321_arg_1=1, var_326=15, var_326_arg_0=15, var_327=0, var_327_arg_0=0, var_327_arg_1=15, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=0, var_32_arg_1=0, var_33=0, var_333=253, var_333_arg_0=253, var_334=0, var_334_arg_0=0, var_334_arg_1=253, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=1, var_33_arg_1=0, var_33_arg_2=0, var_340=251, var_340_arg_0=251, var_341=0, var_341_arg_0=0, var_341_arg_1=251, var_342=0, var_342_arg_0=1, var_342_arg_1=0, var_347=18, var_347_arg_0=18, var_348=0, var_348_arg_0=0, var_348_arg_1=18, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=2, var_354_arg_0=2, var_355=0, var_355_arg_0=0, var_355_arg_1=2, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=0, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=0, var_368_arg_0=0, var_369=1, var_369_arg_0=0, var_369_arg_1=0, var_36_arg_0=0, var_37=1, var_370=1, var_370_arg_0=1, var_370_arg_1=1, var_375=250, var_375_arg_0=250, var_376=0, var_376_arg_0=0, var_376_arg_1=250, var_377=0, var_377_arg_0=1, var_377_arg_1=0, var_37_arg_0=0, var_37_arg_1=0, var_38=0, var_382=0, var_382_arg_0=0, var_383=1, var_383_arg_0=0, var_383_arg_1=0, var_384=1, var_384_arg_0=1, var_384_arg_1=1, var_389=0, var_389_arg_0=0, var_38_arg_0=1, var_38_arg_1=0, var_38_arg_2=0, var_390=1, var_390_arg_0=0, var_390_arg_1=0, var_391=1, var_391_arg_0=1, var_391_arg_1=1, var_396=0, var_396_arg_0=0, var_397=1, var_397_arg_0=0, var_397_arg_1=0, var_398=1, var_398_arg_0=1, var_398_arg_1=1, var_40=27, var_403=0, var_403_arg_0=0, var_404=1, var_404_arg_0=0, var_404_arg_1=0, var_405=1, var_405_arg_0=1, var_405_arg_1=1, var_41=1, var_410=0, var_410_arg_0=0, var_411=1, var_411_arg_0=0, var_411_arg_1=0, var_412=1, var_412_arg_0=1, var_412_arg_1=1, var_417=250, var_417_arg_0=250, var_418=0, var_418_arg_0=0, var_418_arg_1=250, var_419=0, var_419_arg_0=1, var_419_arg_1=0, var_41_arg_0=1, var_42=0, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=0, var_42_arg_1=1, var_43=0, var_431=0, var_431_arg_0=0, var_432=1, var_432_arg_0=0, var_432_arg_1=0, var_433=1, var_433_arg_0=1, var_433_arg_1=1, var_438=0, var_438_arg_0=0, var_439=1, var_439_arg_0=0, var_439_arg_1=0, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_440=1, var_440_arg_0=1, var_440_arg_1=1, var_445=0, var_445_arg_0=0, var_446=1, var_446_arg_0=0, var_446_arg_1=0, var_447=1, var_447_arg_0=1, var_447_arg_1=1, var_45=26, var_452=3, var_452_arg_0=3, var_453=0, var_453_arg_0=0, var_453_arg_1=3, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=5, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=0, var_465_arg_0=0, var_466=1, var_466_arg_0=0, var_466_arg_1=0, var_467=1, var_467_arg_0=1, var_467_arg_1=1, var_46_arg_0=5, var_47=0, var_472=38, var_472_arg_0=38, var_473=0, var_473_arg_0=0, var_473_arg_1=38, var_474=0, var_474_arg_0=1, var_474_arg_1=0, var_479=1, var_479_arg_0=1, var_47_arg_0=0, var_47_arg_1=5, var_48=0, var_480=0, var_480_arg_0=0, var_480_arg_1=1, var_481=0, var_481_arg_0=1, var_481_arg_1=0, var_486=0, var_486_arg_0=0, var_487=1, var_487_arg_0=0, var_487_arg_1=0, var_488=1, var_488_arg_0=1, var_488_arg_1=1, var_48_arg_0=0, var_48_arg_1=0, var_48_arg_2=0, var_493=0, var_493_arg_0=0, var_494=1, var_494_arg_0=0, var_494_arg_1=0, var_495=1, var_495_arg_0=1, var_495_arg_1=1, var_50=25, var_500=251, var_500_arg_0=251, var_501=0, var_501_arg_0=0, var_501_arg_1=251, var_502=0, var_502_arg_0=1, var_502_arg_1=0, var_507=252, var_507_arg_0=252, var_508=0, var_508_arg_0=0, var_508_arg_1=252, var_509=0, var_509_arg_0=1, var_509_arg_1=0, var_51=0, var_512=0, var_512_arg_0=0, var_513=0, var_513_arg_0=0, var_513_arg_1=0, var_518=1, var_518_arg_0=1, var_519=1, var_519_arg_0=0, var_519_arg_1=1, var_51_arg_0=0, var_52=1, var_52_arg_0=0, var_52_arg_1=0, var_53=9223372036854775841, var_538=1, var_538_arg_0=1, var_538_arg_1=1, var_539=1, var_539_arg_0=1, var_539_arg_1=1, var_53_arg_0=1, var_53_arg_1=9223372036854775841, var_53_arg_2=0, var_542=0, var_542_arg_0=1, var_547=0, var_547_arg_0=1, var_547_arg_1=0, var_55=24, var_550=1, var_550_arg_0=1, var_550_arg_1=1, var_56=0, var_562=34, var_562_arg_0=1, var_562_arg_1=6, var_563=34, var_563_arg_0=34, var_563_arg_1=0, var_564=0, var_564_arg_0=34, var_564_arg_1=1, var_56_arg_0=0, var_57=1, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_581=9223372036854775855, var_581_arg_0=0, var_581_arg_1=0, var_581_arg_2=9223372036854775855, var_582=0, var_583=9223372036854775855, var_583_arg_0=0, var_583_arg_1=0, var_583_arg_2=9223372036854775855, var_585=0, var_585_arg_0=0, var_585_arg_1=0, var_585_arg_2=0, var_586=0, var_586_arg_0=0, var_586_arg_1=0, var_586_arg_2=0, var_588=0, var_588_arg_0=0, var_588_arg_1=0, var_588_arg_2=0, var_589=0, var_589_arg_0=0, var_589_arg_1=0, var_589_arg_2=0, var_58_arg_0=1, var_58_arg_1=0, var_58_arg_2=9223372036854775841, var_591=0, var_591_arg_0=1, var_591_arg_1=0, var_591_arg_2=0, var_592=0, var_592_arg_0=0, var_592_arg_1=0, var_592_arg_2=0, var_594=0, var_594_arg_0=1, var_594_arg_1=0, var_594_arg_2=0, var_595=0, var_595_arg_0=0, var_595_arg_1=0, var_595_arg_2=0, var_597=0, var_597_arg_0=0, var_597_arg_1=0, var_597_arg_2=0, var_598=0, var_598_arg_0=0, var_598_arg_1=0, var_598_arg_2=0, var_60=23, var_600=0, var_600_arg_0=0, var_600_arg_1=0, var_600_arg_2=0, var_601=0, var_601_arg_0=0, var_601_arg_1=0, var_601_arg_2=0, var_603=0, var_603_arg_0=1, var_603_arg_1=0, var_603_arg_2=0, var_604=0, var_604_arg_0=0, var_604_arg_1=0, var_604_arg_2=0, var_606=0, var_606_arg_0=1, var_606_arg_1=0, var_606_arg_2=9223372036854775841, var_607=0, var_607_arg_0=0, var_607_arg_1=0, var_607_arg_2=0, var_609=0, var_609_arg_0=1, var_609_arg_1=0, var_609_arg_2=0, var_61=1, var_610=0, var_610_arg_0=0, var_610_arg_1=0, var_610_arg_2=0, var_612=0, var_612_arg_0=1, var_612_arg_1=0, var_612_arg_2=0, var_613=0, var_613_arg_0=0, var_613_arg_1=0, var_613_arg_2=0, var_615=0, var_615_arg_0=1, var_615_arg_1=0, var_615_arg_2=0, var_616=0, var_616_arg_0=0, var_616_arg_1=0, var_616_arg_2=0, var_618=0, var_618_arg_0=0, var_618_arg_1=0, var_618_arg_2=0, var_619=0, var_619_arg_0=0, var_619_arg_1=0, var_619_arg_2=0, var_61_arg_0=1, var_62=0, var_621=0, var_621_arg_0=1, var_621_arg_1=0, var_621_arg_2=9223372036854775846, var_622=0, var_622_arg_0=0, var_622_arg_1=0, var_622_arg_2=0, var_624=0, var_624_arg_0=0, var_624_arg_1=0, var_624_arg_2=0, var_625=0, var_625_arg_0=0, var_625_arg_1=0, var_625_arg_2=0, var_627=0, var_627_arg_0=0, var_627_arg_1=0, var_627_arg_2=0, var_628=0, var_628_arg_0=0, var_628_arg_1=0, var_628_arg_2=0, var_62_arg_0=0, var_62_arg_1=1, var_63=0, var_630=0, var_630_arg_0=0, var_630_arg_1=0, var_630_arg_2=0, var_631=0, var_631_arg_0=0, var_631_arg_1=0, var_631_arg_2=0, var_633=0, var_633_arg_0=0, var_633_arg_1=0, var_633_arg_2=0, var_634=0, var_634_arg_0=0, var_634_arg_1=0, var_634_arg_2=0, var_636=0, var_636_arg_0=0, var_636_arg_1=0, var_636_arg_2=0, var_637=0, var_637_arg_0=0, var_637_arg_1=0, var_637_arg_2=0, var_639=0, var_639_arg_0=1, var_639_arg_1=0, var_639_arg_2=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_640=0, var_640_arg_0=0, var_640_arg_1=0, var_640_arg_2=0, var_642=0, var_642_arg_0=1, var_642_arg_1=0, var_642_arg_2=0, var_643=0, var_643_arg_0=0, var_643_arg_1=0, var_643_arg_2=0, var_645=0, var_645_arg_0=1, var_645_arg_1=0, var_645_arg_2=0, var_646=0, var_646_arg_0=0, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=0, var_648_arg_2=0, var_649=0, var_649_arg_0=0, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=1, var_651_arg_1=0, var_651_arg_2=0, var_652=0, var_652_arg_0=0, var_652_arg_1=0, var_652_arg_2=0, var_654=0, var_654_arg_0=0, var_654_arg_1=0, var_654_arg_2=0, var_655=0, var_655_arg_0=0, var_655_arg_1=0, var_655_arg_2=0, var_657=0, var_657_arg_0=0, var_657_arg_1=0, var_657_arg_2=0, var_658=0, var_658_arg_0=0, var_658_arg_1=0, var_658_arg_2=0, var_66=0, var_660=0, var_660_arg_0=1, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=0, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=1, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=0, var_664_arg_1=0, var_664_arg_2=0, var_666=9223372036854775825, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=9223372036854775825, var_667=9223372036854775825, var_667_arg_0=0, var_667_arg_1=0, var_667_arg_2=9223372036854775825, var_669=0, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=0, var_66_arg_0=0, var_67=1, var_670=0, var_670_arg_0=0, var_670_arg_1=0, var_670_arg_2=0, var_672=0, var_672_arg_0=1, var_672_arg_1=0, var_672_arg_2=0, var_673=0, var_673_arg_0=0, var_673_arg_1=0, var_673_arg_2=0, var_675=0, var_675_arg_0=1, var_675_arg_1=0, var_675_arg_2=0, var_676=0, var_676_arg_0=0, var_676_arg_1=0, var_676_arg_2=0, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=0, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_681=0, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=0, var_682=0, var_682_arg_0=0, var_682_arg_1=0, var_682_arg_2=0, var_684=1, var_684_arg_0=1, var_685=1, var_685_arg_0=0, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=1, var_687_arg_0=1, var_687_arg_1=0, var_688=1, var_688_arg_0=0, var_688_arg_1=0, var_688_arg_2=1, var_68_arg_0=1, var_68_arg_1=0, var_68_arg_2=0, var_690=1, var_690_arg_0=0, var_690_arg_1=1, var_690_arg_2=1, var_691=1, var_691_arg_0=0, var_691_arg_1=0, var_691_arg_2=1, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=1, var_694_arg_0=0, var_694_arg_1=0, var_694_arg_2=1, var_696=255, var_696_arg_0=0, var_696_arg_1=0, var_696_arg_2=255, var_697=0, var_697_arg_0=0, var_697_arg_1=0, var_697_arg_2=255, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=0, var_700_arg_1=0, var_700_arg_2=0, var_703=0, var_703_arg_0=0, var_703_arg_1=1, var_703_arg_2=0, var_704=0, var_704_arg_0=0, var_704_arg_1=0, var_704_arg_2=0, var_71=0, var_71_arg_0=0, var_72=1, var_72_arg_0=0, var_72_arg_1=0, var_73=0, var_73_arg_0=1, var_73_arg_1=0, var_73_arg_2=0, var_75=20, var_76=0, var_76_arg_0=0, var_77=1, var_77_arg_0=0, var_77_arg_1=0, var_78=9223372036854775846, var_78_arg_0=1, var_78_arg_1=9223372036854775846, var_78_arg_2=0, var_80=19, var_81=0, var_81_arg_0=0, var_82=1, var_82_arg_0=0, var_82_arg_1=0, var_83=0, var_83_arg_0=1, var_83_arg_1=0, var_83_arg_2=9223372036854775846, var_85=18, var_86=254, var_86_arg_0=254, var_87=0, var_87_arg_0=0, var_87_arg_1=254, var_88=0, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=0, var_90=17, var_91=1, var_91_arg_0=1, var_92=0, var_92_arg_0=0, var_92_arg_1=1, var_93=0, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=0, var_95=16, var_96=1, var_96_arg_0=1, var_97=0, var_97_arg_0=0, var_97_arg_1=1, var_98=0, var_98_arg_0=0, var_98_arg_1=0, var_98_arg_2=0] [L162] SORT_13 var_187_arg_0 = var_186; [L163] var_187_arg_0 = var_187_arg_0 & mask_SORT_13 [L164] SORT_11 var_187 = var_187_arg_0; [L165] SORT_11 var_188_arg_0 = state_182; [L166] SORT_11 var_188_arg_1 = var_187; [L167] SORT_1 var_188 = var_188_arg_0 == var_188_arg_1; [L168] SORT_1 var_219_arg_0 = var_188; [L169] SORT_1 var_219 = ~var_219_arg_0; [L170] SORT_1 var_220_arg_0 = input_6; [L171] SORT_1 var_220 = ~var_220_arg_0; [L172] SORT_1 var_221_arg_0 = var_219; [L173] SORT_1 var_221_arg_1 = var_220; [L174] SORT_1 var_221 = var_221_arg_0 | var_221_arg_1; [L175] SORT_1 var_222_arg_0 = var_173; [L176] SORT_1 var_222 = ~var_222_arg_0; [L177] SORT_1 var_223_arg_0 = var_221; [L178] SORT_1 var_223_arg_1 = var_222; [L179] SORT_1 var_223 = var_223_arg_0 | var_223_arg_1; [L180] var_223 = var_223 & mask_SORT_1 [L181] SORT_1 constr_224_arg_0 = var_223; VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=6, input_231=1, input_4=9223372036854775819, input_5=0, input_6=2, input_7=1, input_8=19, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=18446744073709551615, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=9223372036854775808, next_584_arg_1=9223372036854775855, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=9223372036854775825, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=1, next_692_arg_1=1, next_695_arg_1=1, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=9223372036854775855, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=9223372036854775825, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=1, state_190=1, state_191=1, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=0, var_103_arg_0=0, var_103_arg_1=1, var_104=0, var_104_arg_0=0, var_104_arg_1=0, var_104_arg_2=0, var_106=14, var_107=252, var_107_arg_0=252, var_108=0, var_108_arg_0=0, var_108_arg_1=252, var_109=0, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=0, var_111=13, var_112=1, var_112_arg_0=1, var_113=0, var_113_arg_0=0, var_113_arg_1=1, var_114=0, var_114_arg_0=0, var_114_arg_1=0, var_114_arg_2=0, var_116=12, var_117=12, var_117_arg_0=12, var_118=0, var_118_arg_0=0, var_118_arg_1=12, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=0, var_122_arg_0=0, var_123=1, var_123_arg_0=0, var_123_arg_1=0, var_124=0, var_124_arg_0=1, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=56, var_127_arg_0=56, var_128=0, var_128_arg_0=0, var_128_arg_1=56, var_129=0, var_129_arg_0=0, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=253, var_132_arg_0=253, var_133=0, var_133_arg_0=0, var_133_arg_1=253, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=8, var_137_arg_0=8, var_138=0, var_138_arg_0=0, var_138_arg_1=8, var_139=0, var_139_arg_0=0, var_139_arg_1=0, var_139_arg_2=0, var_14=0, var_142=7, var_143=7, var_143_arg_0=7, var_144=0, var_144_arg_0=0, var_144_arg_1=7, var_145=0, var_145_arg_0=0, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=0, var_148_arg_0=0, var_149=1, var_149_arg_0=0, var_149_arg_1=0, var_14_arg_0=0, var_15=32, var_150=0, var_150_arg_0=1, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=0, var_154_arg_0=0, var_154_arg_1=1, var_155=0, var_155_arg_0=0, var_155_arg_1=9223372036854775825, var_155_arg_2=0, var_157=4, var_158=0, var_158_arg_0=0, var_159=1, var_159_arg_0=0, var_159_arg_1=0, var_16=0, var_160=0, var_160_arg_0=1, var_160_arg_1=0, var_160_arg_2=0, var_163=3, var_164=0, var_164_arg_0=0, var_165=1, var_165_arg_0=0, var_165_arg_1=0, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=0, var_168=2, var_169=254, var_169_arg_0=254, var_16_arg_0=0, var_16_arg_1=32, var_17=0, var_170=0, var_170_arg_0=0, var_170_arg_1=254, var_171=0, var_171_arg_0=0, var_171_arg_1=0, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=0, var_175_arg_0=0, var_175_arg_1=1, var_176=0, var_176_arg_0=0, var_176_arg_1=0, var_176_arg_2=0, var_178=0, var_178_arg_0=0, var_179=0, var_179_arg_0=0, var_17_arg_0=0, var_17_arg_1=9223372036854775855, var_17_arg_2=0, var_180=0, var_180_arg_0=0, var_180_arg_1=0, var_180_arg_2=0, var_183=0, var_183_arg_0=0, var_184=28, var_184_arg_0=0, var_186=33, var_187=1, var_187_arg_0=1, var_188=1, var_188_arg_0=1, var_188_arg_1=1, var_192=1, var_192_arg_0=1, var_193=1, var_193_arg_0=1, var_193_arg_1=1, var_195=1, var_195_arg_0=255, var_196=1, var_196_arg_0=1, var_196_arg_1=1, var_197=0, var_197_arg_0=1, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=255, var_200_arg_0=255, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=255, var_202_arg_0=255, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=0, var_204_arg_1=0, var_204_arg_2=255, var_205=0, var_205_arg_0=0, var_206=37, var_206_arg_0=0, var_207=1, var_207_arg_0=1, var_207_arg_1=37, var_208=0, var_208_arg_0=1, var_21=0, var_210=1, var_210_arg_0=0, var_210_arg_1=0, var_211=1, var_211_arg_0=0, var_211_arg_1=1, var_215=0, var_215_arg_0=1, var_215_arg_1=0, var_216=35, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=35, var_219=1, var_219_arg_0=1, var_21_arg_0=0, var_22=1, var_220=52, var_220_arg_0=2, var_221=1, var_221_arg_0=1, var_221_arg_1=52, var_222=255, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=255, var_225=1, var_225_arg_0=28, var_226=1, var_226_arg_0=6, var_227=1, var_227_arg_0=1, var_227_arg_1=1, var_228=2, var_228_arg_0=1, var_229=1, var_229_arg_0=1, var_229_arg_1=2, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=255, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=255, var_23_arg_0=1, var_23_arg_1=0, var_23_arg_2=0, var_241=50, var_241_arg_0=1, var_241_arg_1=6, var_242=0, var_242_arg_0=50, var_242_arg_1=0, var_25=30, var_26=0, var_26_arg_0=0, var_27=1, var_27_arg_0=0, var_27_arg_1=0, var_28=0, var_283=0, var_283_arg_0=0, var_284=0, var_284_arg_0=0, var_285=2, var_285_arg_0=0, var_286=0, var_286_arg_0=1, var_286_arg_1=2, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=0, var_291_arg_0=0, var_292=1, var_292_arg_0=0, var_292_arg_1=0, var_293=1, var_293_arg_0=1, var_293_arg_1=1, var_298=40, var_298_arg_0=40, var_299=0, var_299_arg_0=0, var_299_arg_1=40, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=0, var_305_arg_0=0, var_306=1, var_306_arg_0=0, var_306_arg_1=0, var_307=1, var_307_arg_0=1, var_307_arg_1=1, var_31=0, var_312=0, var_312_arg_0=0, var_313=1, var_313_arg_0=0, var_313_arg_1=0, var_314=1, var_314_arg_0=1, var_314_arg_1=1, var_319=0, var_319_arg_0=0, var_31_arg_0=0, var_32=1, var_320=1, var_320_arg_0=0, var_320_arg_1=0, var_321=1, var_321_arg_0=1, var_321_arg_1=1, var_326=15, var_326_arg_0=15, var_327=0, var_327_arg_0=0, var_327_arg_1=15, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=0, var_32_arg_1=0, var_33=0, var_333=253, var_333_arg_0=253, var_334=0, var_334_arg_0=0, var_334_arg_1=253, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=1, var_33_arg_1=0, var_33_arg_2=0, var_340=251, var_340_arg_0=251, var_341=0, var_341_arg_0=0, var_341_arg_1=251, var_342=0, var_342_arg_0=1, var_342_arg_1=0, var_347=18, var_347_arg_0=18, var_348=0, var_348_arg_0=0, var_348_arg_1=18, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=2, var_354_arg_0=2, var_355=0, var_355_arg_0=0, var_355_arg_1=2, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=0, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=0, var_368_arg_0=0, var_369=1, 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var_418_arg_1=250, var_419=0, var_419_arg_0=1, var_419_arg_1=0, var_41_arg_0=1, var_42=0, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=0, var_42_arg_1=1, var_43=0, var_431=0, var_431_arg_0=0, var_432=1, var_432_arg_0=0, var_432_arg_1=0, var_433=1, var_433_arg_0=1, var_433_arg_1=1, var_438=0, var_438_arg_0=0, var_439=1, var_439_arg_0=0, var_439_arg_1=0, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_440=1, var_440_arg_0=1, var_440_arg_1=1, var_445=0, var_445_arg_0=0, var_446=1, var_446_arg_0=0, var_446_arg_1=0, var_447=1, var_447_arg_0=1, var_447_arg_1=1, var_45=26, var_452=3, var_452_arg_0=3, var_453=0, var_453_arg_0=0, var_453_arg_1=3, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=5, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=0, var_465_arg_0=0, var_466=1, var_466_arg_0=0, var_466_arg_1=0, var_467=1, var_467_arg_0=1, var_467_arg_1=1, 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var_676_arg_1=0, var_676_arg_2=0, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=0, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_681=0, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=0, var_682=0, var_682_arg_0=0, var_682_arg_1=0, var_682_arg_2=0, var_684=1, var_684_arg_0=1, var_685=1, var_685_arg_0=0, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=1, var_687_arg_0=1, var_687_arg_1=0, var_688=1, var_688_arg_0=0, var_688_arg_1=0, var_688_arg_2=1, var_68_arg_0=1, var_68_arg_1=0, var_68_arg_2=0, var_690=1, var_690_arg_0=0, var_690_arg_1=1, var_690_arg_2=1, var_691=1, var_691_arg_0=0, var_691_arg_1=0, var_691_arg_2=1, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=1, var_694_arg_0=0, var_694_arg_1=0, var_694_arg_2=1, var_696=255, var_696_arg_0=0, var_696_arg_1=0, var_696_arg_2=255, var_697=0, var_697_arg_0=0, var_697_arg_1=0, var_697_arg_2=255, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=0, var_700_arg_1=0, var_700_arg_2=0, var_703=0, var_703_arg_0=0, var_703_arg_1=1, var_703_arg_2=0, var_704=0, var_704_arg_0=0, var_704_arg_1=0, var_704_arg_2=0, var_71=0, var_71_arg_0=0, var_72=1, var_72_arg_0=0, var_72_arg_1=0, var_73=0, var_73_arg_0=1, var_73_arg_1=0, var_73_arg_2=0, var_75=20, var_76=0, var_76_arg_0=0, var_77=1, var_77_arg_0=0, var_77_arg_1=0, var_78=9223372036854775846, var_78_arg_0=1, var_78_arg_1=9223372036854775846, var_78_arg_2=0, var_80=19, var_81=0, var_81_arg_0=0, var_82=1, var_82_arg_0=0, var_82_arg_1=0, var_83=0, var_83_arg_0=1, var_83_arg_1=0, var_83_arg_2=9223372036854775846, var_85=18, var_86=254, var_86_arg_0=254, var_87=0, var_87_arg_0=0, var_87_arg_1=254, var_88=0, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=0, var_90=17, var_91=1, var_91_arg_0=1, var_92=0, var_92_arg_0=0, var_92_arg_1=1, var_93=0, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=0, var_95=16, var_96=1, var_96_arg_0=1, var_97=0, var_97_arg_0=0, var_97_arg_1=1, var_98=0, var_98_arg_0=0, var_98_arg_1=0, var_98_arg_2=0] [L182] CALL assume_abort_if_not(constr_224_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L182] RET assume_abort_if_not(constr_224_arg_0) VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=6, input_231=1, input_4=9223372036854775819, input_5=0, input_6=2, input_7=1, input_8=19, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=18446744073709551615, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=9223372036854775808, next_584_arg_1=9223372036854775855, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=9223372036854775825, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=1, next_692_arg_1=1, next_695_arg_1=1, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=9223372036854775855, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=9223372036854775825, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=1, state_190=1, state_191=1, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=0, var_103_arg_0=0, var_103_arg_1=1, var_104=0, var_104_arg_0=0, var_104_arg_1=0, var_104_arg_2=0, var_106=14, var_107=252, var_107_arg_0=252, var_108=0, var_108_arg_0=0, var_108_arg_1=252, var_109=0, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=0, var_111=13, var_112=1, var_112_arg_0=1, var_113=0, var_113_arg_0=0, var_113_arg_1=1, var_114=0, var_114_arg_0=0, var_114_arg_1=0, var_114_arg_2=0, var_116=12, var_117=12, var_117_arg_0=12, var_118=0, var_118_arg_0=0, var_118_arg_1=12, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=0, var_122_arg_0=0, var_123=1, var_123_arg_0=0, var_123_arg_1=0, var_124=0, var_124_arg_0=1, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=56, var_127_arg_0=56, var_128=0, var_128_arg_0=0, var_128_arg_1=56, var_129=0, var_129_arg_0=0, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=253, var_132_arg_0=253, var_133=0, var_133_arg_0=0, var_133_arg_1=253, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=8, var_137_arg_0=8, var_138=0, var_138_arg_0=0, var_138_arg_1=8, var_139=0, var_139_arg_0=0, var_139_arg_1=0, var_139_arg_2=0, var_14=0, var_142=7, var_143=7, var_143_arg_0=7, var_144=0, var_144_arg_0=0, var_144_arg_1=7, var_145=0, var_145_arg_0=0, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=0, var_148_arg_0=0, var_149=1, var_149_arg_0=0, var_149_arg_1=0, var_14_arg_0=0, var_15=32, var_150=0, var_150_arg_0=1, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=0, var_154_arg_0=0, var_154_arg_1=1, var_155=0, var_155_arg_0=0, var_155_arg_1=9223372036854775825, var_155_arg_2=0, var_157=4, var_158=0, var_158_arg_0=0, var_159=1, var_159_arg_0=0, var_159_arg_1=0, var_16=0, var_160=0, var_160_arg_0=1, var_160_arg_1=0, var_160_arg_2=0, var_163=3, var_164=0, var_164_arg_0=0, var_165=1, var_165_arg_0=0, var_165_arg_1=0, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=0, var_168=2, var_169=254, var_169_arg_0=254, var_16_arg_0=0, var_16_arg_1=32, var_17=0, var_170=0, var_170_arg_0=0, var_170_arg_1=254, var_171=0, var_171_arg_0=0, var_171_arg_1=0, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=0, var_175_arg_0=0, var_175_arg_1=1, var_176=0, var_176_arg_0=0, var_176_arg_1=0, var_176_arg_2=0, var_178=0, var_178_arg_0=0, var_179=0, var_179_arg_0=0, var_17_arg_0=0, var_17_arg_1=9223372036854775855, var_17_arg_2=0, var_180=0, var_180_arg_0=0, var_180_arg_1=0, var_180_arg_2=0, var_183=0, var_183_arg_0=0, var_184=28, var_184_arg_0=0, var_186=33, var_187=1, var_187_arg_0=1, var_188=1, var_188_arg_0=1, var_188_arg_1=1, var_192=1, var_192_arg_0=1, var_193=1, var_193_arg_0=1, var_193_arg_1=1, var_195=1, var_195_arg_0=255, var_196=1, var_196_arg_0=1, var_196_arg_1=1, var_197=0, var_197_arg_0=1, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=255, var_200_arg_0=255, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=255, var_202_arg_0=255, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=0, var_204_arg_1=0, var_204_arg_2=255, var_205=0, var_205_arg_0=0, var_206=37, var_206_arg_0=0, var_207=1, var_207_arg_0=1, var_207_arg_1=37, var_208=0, var_208_arg_0=1, var_21=0, var_210=1, var_210_arg_0=0, var_210_arg_1=0, var_211=1, var_211_arg_0=0, var_211_arg_1=1, var_215=0, var_215_arg_0=1, var_215_arg_1=0, var_216=35, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=35, var_219=1, var_219_arg_0=1, var_21_arg_0=0, var_22=1, var_220=52, var_220_arg_0=2, var_221=1, var_221_arg_0=1, var_221_arg_1=52, var_222=255, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=255, var_225=1, var_225_arg_0=28, var_226=1, var_226_arg_0=6, var_227=1, var_227_arg_0=1, var_227_arg_1=1, var_228=2, var_228_arg_0=1, var_229=1, var_229_arg_0=1, var_229_arg_1=2, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=255, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=255, var_23_arg_0=1, var_23_arg_1=0, var_23_arg_2=0, var_241=50, var_241_arg_0=1, var_241_arg_1=6, var_242=0, var_242_arg_0=50, var_242_arg_1=0, var_25=30, var_26=0, var_26_arg_0=0, var_27=1, var_27_arg_0=0, var_27_arg_1=0, var_28=0, var_283=0, var_283_arg_0=0, var_284=0, var_284_arg_0=0, var_285=2, var_285_arg_0=0, var_286=0, var_286_arg_0=1, var_286_arg_1=2, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=0, var_291_arg_0=0, var_292=1, var_292_arg_0=0, var_292_arg_1=0, var_293=1, var_293_arg_0=1, var_293_arg_1=1, var_298=40, var_298_arg_0=40, var_299=0, var_299_arg_0=0, var_299_arg_1=40, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=0, var_305_arg_0=0, var_306=1, var_306_arg_0=0, var_306_arg_1=0, var_307=1, var_307_arg_0=1, var_307_arg_1=1, var_31=0, var_312=0, var_312_arg_0=0, var_313=1, var_313_arg_0=0, var_313_arg_1=0, var_314=1, var_314_arg_0=1, var_314_arg_1=1, var_319=0, var_319_arg_0=0, var_31_arg_0=0, var_32=1, var_320=1, var_320_arg_0=0, var_320_arg_1=0, var_321=1, var_321_arg_0=1, var_321_arg_1=1, var_326=15, var_326_arg_0=15, var_327=0, var_327_arg_0=0, var_327_arg_1=15, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=0, var_32_arg_1=0, var_33=0, var_333=253, var_333_arg_0=253, var_334=0, var_334_arg_0=0, var_334_arg_1=253, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=1, var_33_arg_1=0, var_33_arg_2=0, var_340=251, var_340_arg_0=251, var_341=0, var_341_arg_0=0, var_341_arg_1=251, var_342=0, var_342_arg_0=1, var_342_arg_1=0, var_347=18, var_347_arg_0=18, var_348=0, var_348_arg_0=0, var_348_arg_1=18, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=2, var_354_arg_0=2, var_355=0, var_355_arg_0=0, var_355_arg_1=2, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=0, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=0, var_368_arg_0=0, var_369=1, var_369_arg_0=0, var_369_arg_1=0, var_36_arg_0=0, var_37=1, var_370=1, var_370_arg_0=1, var_370_arg_1=1, var_375=250, var_375_arg_0=250, var_376=0, var_376_arg_0=0, var_376_arg_1=250, var_377=0, var_377_arg_0=1, var_377_arg_1=0, var_37_arg_0=0, var_37_arg_1=0, var_38=0, var_382=0, var_382_arg_0=0, var_383=1, var_383_arg_0=0, var_383_arg_1=0, var_384=1, var_384_arg_0=1, var_384_arg_1=1, var_389=0, var_389_arg_0=0, var_38_arg_0=1, var_38_arg_1=0, var_38_arg_2=0, var_390=1, var_390_arg_0=0, var_390_arg_1=0, var_391=1, var_391_arg_0=1, var_391_arg_1=1, var_396=0, var_396_arg_0=0, var_397=1, var_397_arg_0=0, var_397_arg_1=0, var_398=1, var_398_arg_0=1, var_398_arg_1=1, var_40=27, var_403=0, var_403_arg_0=0, var_404=1, var_404_arg_0=0, var_404_arg_1=0, var_405=1, var_405_arg_0=1, var_405_arg_1=1, var_41=1, var_410=0, var_410_arg_0=0, var_411=1, var_411_arg_0=0, var_411_arg_1=0, var_412=1, var_412_arg_0=1, var_412_arg_1=1, var_417=250, var_417_arg_0=250, var_418=0, var_418_arg_0=0, var_418_arg_1=250, var_419=0, var_419_arg_0=1, var_419_arg_1=0, var_41_arg_0=1, var_42=0, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=0, var_42_arg_1=1, var_43=0, var_431=0, var_431_arg_0=0, var_432=1, var_432_arg_0=0, var_432_arg_1=0, var_433=1, var_433_arg_0=1, var_433_arg_1=1, var_438=0, var_438_arg_0=0, var_439=1, var_439_arg_0=0, var_439_arg_1=0, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_440=1, var_440_arg_0=1, var_440_arg_1=1, var_445=0, var_445_arg_0=0, var_446=1, var_446_arg_0=0, var_446_arg_1=0, var_447=1, var_447_arg_0=1, var_447_arg_1=1, var_45=26, var_452=3, var_452_arg_0=3, var_453=0, var_453_arg_0=0, var_453_arg_1=3, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=5, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=0, var_465_arg_0=0, var_466=1, var_466_arg_0=0, var_466_arg_1=0, var_467=1, var_467_arg_0=1, var_467_arg_1=1, var_46_arg_0=5, var_47=0, var_472=38, var_472_arg_0=38, var_473=0, var_473_arg_0=0, var_473_arg_1=38, var_474=0, var_474_arg_0=1, var_474_arg_1=0, var_479=1, var_479_arg_0=1, var_47_arg_0=0, var_47_arg_1=5, var_48=0, var_480=0, var_480_arg_0=0, var_480_arg_1=1, var_481=0, var_481_arg_0=1, var_481_arg_1=0, var_486=0, var_486_arg_0=0, var_487=1, var_487_arg_0=0, var_487_arg_1=0, var_488=1, var_488_arg_0=1, var_488_arg_1=1, var_48_arg_0=0, var_48_arg_1=0, var_48_arg_2=0, var_493=0, var_493_arg_0=0, var_494=1, var_494_arg_0=0, var_494_arg_1=0, var_495=1, var_495_arg_0=1, var_495_arg_1=1, var_50=25, var_500=251, var_500_arg_0=251, var_501=0, var_501_arg_0=0, var_501_arg_1=251, var_502=0, var_502_arg_0=1, var_502_arg_1=0, var_507=252, var_507_arg_0=252, var_508=0, var_508_arg_0=0, var_508_arg_1=252, var_509=0, var_509_arg_0=1, var_509_arg_1=0, var_51=0, var_512=0, var_512_arg_0=0, var_513=0, var_513_arg_0=0, var_513_arg_1=0, var_518=1, var_518_arg_0=1, var_519=1, var_519_arg_0=0, var_519_arg_1=1, var_51_arg_0=0, var_52=1, var_52_arg_0=0, var_52_arg_1=0, var_53=9223372036854775841, var_538=1, var_538_arg_0=1, var_538_arg_1=1, var_539=1, var_539_arg_0=1, var_539_arg_1=1, var_53_arg_0=1, var_53_arg_1=9223372036854775841, var_53_arg_2=0, var_542=0, var_542_arg_0=1, var_547=0, var_547_arg_0=1, var_547_arg_1=0, var_55=24, var_550=1, var_550_arg_0=1, var_550_arg_1=1, var_56=0, var_562=34, var_562_arg_0=1, var_562_arg_1=6, var_563=34, var_563_arg_0=34, var_563_arg_1=0, var_564=0, var_564_arg_0=34, var_564_arg_1=1, var_56_arg_0=0, var_57=1, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_581=9223372036854775855, var_581_arg_0=0, var_581_arg_1=0, var_581_arg_2=9223372036854775855, var_582=0, var_583=9223372036854775855, var_583_arg_0=0, var_583_arg_1=0, var_583_arg_2=9223372036854775855, var_585=0, var_585_arg_0=0, var_585_arg_1=0, var_585_arg_2=0, var_586=0, var_586_arg_0=0, var_586_arg_1=0, var_586_arg_2=0, var_588=0, var_588_arg_0=0, var_588_arg_1=0, var_588_arg_2=0, var_589=0, var_589_arg_0=0, var_589_arg_1=0, var_589_arg_2=0, var_58_arg_0=1, var_58_arg_1=0, var_58_arg_2=9223372036854775841, var_591=0, var_591_arg_0=1, var_591_arg_1=0, var_591_arg_2=0, var_592=0, var_592_arg_0=0, var_592_arg_1=0, var_592_arg_2=0, var_594=0, var_594_arg_0=1, var_594_arg_1=0, var_594_arg_2=0, var_595=0, var_595_arg_0=0, var_595_arg_1=0, var_595_arg_2=0, var_597=0, var_597_arg_0=0, var_597_arg_1=0, var_597_arg_2=0, var_598=0, var_598_arg_0=0, var_598_arg_1=0, var_598_arg_2=0, var_60=23, var_600=0, var_600_arg_0=0, var_600_arg_1=0, var_600_arg_2=0, var_601=0, var_601_arg_0=0, var_601_arg_1=0, var_601_arg_2=0, var_603=0, var_603_arg_0=1, var_603_arg_1=0, var_603_arg_2=0, var_604=0, var_604_arg_0=0, var_604_arg_1=0, var_604_arg_2=0, var_606=0, var_606_arg_0=1, var_606_arg_1=0, var_606_arg_2=9223372036854775841, var_607=0, var_607_arg_0=0, var_607_arg_1=0, var_607_arg_2=0, var_609=0, var_609_arg_0=1, var_609_arg_1=0, var_609_arg_2=0, var_61=1, var_610=0, var_610_arg_0=0, var_610_arg_1=0, var_610_arg_2=0, var_612=0, var_612_arg_0=1, var_612_arg_1=0, var_612_arg_2=0, var_613=0, var_613_arg_0=0, var_613_arg_1=0, var_613_arg_2=0, var_615=0, var_615_arg_0=1, var_615_arg_1=0, var_615_arg_2=0, var_616=0, var_616_arg_0=0, var_616_arg_1=0, var_616_arg_2=0, var_618=0, var_618_arg_0=0, var_618_arg_1=0, var_618_arg_2=0, var_619=0, var_619_arg_0=0, var_619_arg_1=0, var_619_arg_2=0, var_61_arg_0=1, var_62=0, var_621=0, var_621_arg_0=1, var_621_arg_1=0, var_621_arg_2=9223372036854775846, var_622=0, var_622_arg_0=0, var_622_arg_1=0, var_622_arg_2=0, var_624=0, var_624_arg_0=0, var_624_arg_1=0, var_624_arg_2=0, var_625=0, var_625_arg_0=0, var_625_arg_1=0, var_625_arg_2=0, var_627=0, var_627_arg_0=0, var_627_arg_1=0, var_627_arg_2=0, var_628=0, var_628_arg_0=0, var_628_arg_1=0, var_628_arg_2=0, var_62_arg_0=0, var_62_arg_1=1, var_63=0, var_630=0, var_630_arg_0=0, var_630_arg_1=0, var_630_arg_2=0, var_631=0, var_631_arg_0=0, var_631_arg_1=0, var_631_arg_2=0, var_633=0, var_633_arg_0=0, var_633_arg_1=0, var_633_arg_2=0, var_634=0, var_634_arg_0=0, var_634_arg_1=0, var_634_arg_2=0, var_636=0, var_636_arg_0=0, var_636_arg_1=0, var_636_arg_2=0, var_637=0, var_637_arg_0=0, var_637_arg_1=0, var_637_arg_2=0, var_639=0, var_639_arg_0=1, var_639_arg_1=0, var_639_arg_2=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_640=0, var_640_arg_0=0, var_640_arg_1=0, var_640_arg_2=0, var_642=0, var_642_arg_0=1, var_642_arg_1=0, var_642_arg_2=0, var_643=0, var_643_arg_0=0, var_643_arg_1=0, var_643_arg_2=0, var_645=0, var_645_arg_0=1, var_645_arg_1=0, var_645_arg_2=0, var_646=0, var_646_arg_0=0, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=0, var_648_arg_2=0, var_649=0, var_649_arg_0=0, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=1, var_651_arg_1=0, var_651_arg_2=0, var_652=0, var_652_arg_0=0, var_652_arg_1=0, var_652_arg_2=0, var_654=0, var_654_arg_0=0, var_654_arg_1=0, var_654_arg_2=0, var_655=0, var_655_arg_0=0, var_655_arg_1=0, var_655_arg_2=0, var_657=0, var_657_arg_0=0, var_657_arg_1=0, var_657_arg_2=0, var_658=0, var_658_arg_0=0, var_658_arg_1=0, var_658_arg_2=0, var_66=0, var_660=0, var_660_arg_0=1, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=0, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=1, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=0, var_664_arg_1=0, var_664_arg_2=0, var_666=9223372036854775825, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=9223372036854775825, var_667=9223372036854775825, var_667_arg_0=0, var_667_arg_1=0, var_667_arg_2=9223372036854775825, var_669=0, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=0, var_66_arg_0=0, var_67=1, var_670=0, var_670_arg_0=0, var_670_arg_1=0, var_670_arg_2=0, var_672=0, var_672_arg_0=1, var_672_arg_1=0, var_672_arg_2=0, var_673=0, var_673_arg_0=0, var_673_arg_1=0, var_673_arg_2=0, var_675=0, var_675_arg_0=1, var_675_arg_1=0, var_675_arg_2=0, var_676=0, var_676_arg_0=0, var_676_arg_1=0, var_676_arg_2=0, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=0, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_681=0, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=0, var_682=0, var_682_arg_0=0, var_682_arg_1=0, var_682_arg_2=0, var_684=1, var_684_arg_0=1, var_685=1, var_685_arg_0=0, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=1, var_687_arg_0=1, var_687_arg_1=0, var_688=1, var_688_arg_0=0, var_688_arg_1=0, var_688_arg_2=1, var_68_arg_0=1, var_68_arg_1=0, var_68_arg_2=0, var_690=1, var_690_arg_0=0, var_690_arg_1=1, var_690_arg_2=1, var_691=1, var_691_arg_0=0, var_691_arg_1=0, var_691_arg_2=1, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=1, var_694_arg_0=0, var_694_arg_1=0, var_694_arg_2=1, var_696=255, var_696_arg_0=0, var_696_arg_1=0, var_696_arg_2=255, var_697=0, var_697_arg_0=0, var_697_arg_1=0, var_697_arg_2=255, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=0, var_700_arg_1=0, var_700_arg_2=0, var_703=0, var_703_arg_0=0, var_703_arg_1=1, var_703_arg_2=0, var_704=0, var_704_arg_0=0, var_704_arg_1=0, var_704_arg_2=0, var_71=0, var_71_arg_0=0, var_72=1, var_72_arg_0=0, var_72_arg_1=0, var_73=0, var_73_arg_0=1, var_73_arg_1=0, var_73_arg_2=0, var_75=20, var_76=0, var_76_arg_0=0, var_77=1, var_77_arg_0=0, var_77_arg_1=0, var_78=9223372036854775846, var_78_arg_0=1, var_78_arg_1=9223372036854775846, var_78_arg_2=0, var_80=19, var_81=0, var_81_arg_0=0, var_82=1, var_82_arg_0=0, var_82_arg_1=0, var_83=0, var_83_arg_0=1, var_83_arg_1=0, var_83_arg_2=9223372036854775846, var_85=18, var_86=254, var_86_arg_0=254, var_87=0, var_87_arg_0=0, var_87_arg_1=254, var_88=0, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=0, var_90=17, var_91=1, var_91_arg_0=1, var_92=0, var_92_arg_0=0, var_92_arg_1=1, var_93=0, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=0, var_95=16, var_96=1, var_96_arg_0=1, var_97=0, var_97_arg_0=0, var_97_arg_1=1, var_98=0, var_98_arg_0=0, var_98_arg_1=0, var_98_arg_2=0] [L183] SORT_11 var_183_arg_0 = state_182; [L184] SORT_1 var_183 = var_183_arg_0 != 0; [L185] SORT_1 var_184_arg_0 = var_183; [L186] SORT_1 var_184 = ~var_184_arg_0; [L187] SORT_1 var_225_arg_0 = var_184; [L188] SORT_1 var_225 = ~var_225_arg_0; [L189] SORT_1 var_226_arg_0 = input_5; [L190] SORT_1 var_226 = ~var_226_arg_0; [L191] SORT_1 var_227_arg_0 = var_225; [L192] SORT_1 var_227_arg_1 = var_226; [L193] SORT_1 var_227 = var_227_arg_0 | var_227_arg_1; [L194] SORT_1 var_228_arg_0 = var_173; [L195] SORT_1 var_228 = ~var_228_arg_0; [L196] SORT_1 var_229_arg_0 = var_227; [L197] SORT_1 var_229_arg_1 = var_228; [L198] SORT_1 var_229 = var_229_arg_0 | var_229_arg_1; [L199] var_229 = var_229 & mask_SORT_1 [L200] SORT_1 constr_230_arg_0 = var_229; VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=6, input_231=1, input_4=9223372036854775819, input_5=0, input_6=2, input_7=1, input_8=19, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=18446744073709551615, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=9223372036854775808, next_584_arg_1=9223372036854775855, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=9223372036854775825, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=1, next_692_arg_1=1, next_695_arg_1=1, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=9223372036854775855, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=9223372036854775825, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=1, state_190=1, state_191=1, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=0, var_103_arg_0=0, var_103_arg_1=1, var_104=0, var_104_arg_0=0, var_104_arg_1=0, var_104_arg_2=0, var_106=14, var_107=252, var_107_arg_0=252, var_108=0, var_108_arg_0=0, var_108_arg_1=252, var_109=0, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=0, var_111=13, var_112=1, var_112_arg_0=1, var_113=0, var_113_arg_0=0, var_113_arg_1=1, var_114=0, var_114_arg_0=0, var_114_arg_1=0, var_114_arg_2=0, var_116=12, var_117=12, var_117_arg_0=12, var_118=0, var_118_arg_0=0, var_118_arg_1=12, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=0, var_122_arg_0=0, var_123=1, var_123_arg_0=0, var_123_arg_1=0, var_124=0, var_124_arg_0=1, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=56, var_127_arg_0=56, var_128=0, var_128_arg_0=0, var_128_arg_1=56, var_129=0, var_129_arg_0=0, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=253, var_132_arg_0=253, var_133=0, var_133_arg_0=0, var_133_arg_1=253, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=8, var_137_arg_0=8, var_138=0, var_138_arg_0=0, var_138_arg_1=8, var_139=0, var_139_arg_0=0, var_139_arg_1=0, var_139_arg_2=0, var_14=0, var_142=7, var_143=7, var_143_arg_0=7, var_144=0, var_144_arg_0=0, var_144_arg_1=7, var_145=0, var_145_arg_0=0, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=0, var_148_arg_0=0, var_149=1, var_149_arg_0=0, var_149_arg_1=0, var_14_arg_0=0, var_15=32, var_150=0, var_150_arg_0=1, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=0, var_154_arg_0=0, var_154_arg_1=1, var_155=0, var_155_arg_0=0, var_155_arg_1=9223372036854775825, var_155_arg_2=0, var_157=4, var_158=0, var_158_arg_0=0, var_159=1, var_159_arg_0=0, var_159_arg_1=0, var_16=0, var_160=0, var_160_arg_0=1, var_160_arg_1=0, var_160_arg_2=0, var_163=3, var_164=0, var_164_arg_0=0, var_165=1, var_165_arg_0=0, var_165_arg_1=0, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=0, var_168=2, var_169=254, var_169_arg_0=254, var_16_arg_0=0, var_16_arg_1=32, var_17=0, var_170=0, var_170_arg_0=0, var_170_arg_1=254, var_171=0, var_171_arg_0=0, var_171_arg_1=0, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=0, var_175_arg_0=0, var_175_arg_1=1, var_176=0, var_176_arg_0=0, var_176_arg_1=0, var_176_arg_2=0, var_178=0, var_178_arg_0=0, var_179=0, var_179_arg_0=0, var_17_arg_0=0, var_17_arg_1=9223372036854775855, var_17_arg_2=0, var_180=0, var_180_arg_0=0, var_180_arg_1=0, var_180_arg_2=0, var_183=1, var_183_arg_0=1, var_184=3, var_184_arg_0=1, var_186=33, var_187=1, var_187_arg_0=1, var_188=1, var_188_arg_0=1, var_188_arg_1=1, var_192=1, var_192_arg_0=1, var_193=1, var_193_arg_0=1, var_193_arg_1=1, var_195=1, var_195_arg_0=255, var_196=1, var_196_arg_0=1, var_196_arg_1=1, var_197=0, var_197_arg_0=1, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=255, var_200_arg_0=255, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=255, var_202_arg_0=255, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=0, var_204_arg_1=0, var_204_arg_2=255, var_205=0, var_205_arg_0=0, 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var_657_arg_1=0, var_657_arg_2=0, var_658=0, var_658_arg_0=0, var_658_arg_1=0, var_658_arg_2=0, var_66=0, var_660=0, var_660_arg_0=1, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=0, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=1, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=0, var_664_arg_1=0, var_664_arg_2=0, var_666=9223372036854775825, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=9223372036854775825, var_667=9223372036854775825, var_667_arg_0=0, var_667_arg_1=0, var_667_arg_2=9223372036854775825, var_669=0, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=0, var_66_arg_0=0, var_67=1, var_670=0, var_670_arg_0=0, var_670_arg_1=0, var_670_arg_2=0, var_672=0, var_672_arg_0=1, var_672_arg_1=0, var_672_arg_2=0, var_673=0, var_673_arg_0=0, var_673_arg_1=0, var_673_arg_2=0, var_675=0, var_675_arg_0=1, var_675_arg_1=0, var_675_arg_2=0, var_676=0, var_676_arg_0=0, var_676_arg_1=0, var_676_arg_2=0, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=0, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_681=0, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=0, var_682=0, var_682_arg_0=0, var_682_arg_1=0, var_682_arg_2=0, var_684=1, var_684_arg_0=1, var_685=1, var_685_arg_0=0, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=1, var_687_arg_0=1, var_687_arg_1=0, var_688=1, var_688_arg_0=0, var_688_arg_1=0, var_688_arg_2=1, var_68_arg_0=1, var_68_arg_1=0, var_68_arg_2=0, var_690=1, var_690_arg_0=0, var_690_arg_1=1, var_690_arg_2=1, var_691=1, var_691_arg_0=0, var_691_arg_1=0, var_691_arg_2=1, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=1, var_694_arg_0=0, var_694_arg_1=0, var_694_arg_2=1, var_696=255, var_696_arg_0=0, var_696_arg_1=0, var_696_arg_2=255, var_697=0, var_697_arg_0=0, var_697_arg_1=0, var_697_arg_2=255, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=0, var_700_arg_1=0, var_700_arg_2=0, var_703=0, var_703_arg_0=0, var_703_arg_1=1, var_703_arg_2=0, var_704=0, var_704_arg_0=0, var_704_arg_1=0, var_704_arg_2=0, var_71=0, var_71_arg_0=0, var_72=1, var_72_arg_0=0, var_72_arg_1=0, var_73=0, var_73_arg_0=1, var_73_arg_1=0, var_73_arg_2=0, var_75=20, var_76=0, var_76_arg_0=0, var_77=1, var_77_arg_0=0, var_77_arg_1=0, var_78=9223372036854775846, var_78_arg_0=1, var_78_arg_1=9223372036854775846, var_78_arg_2=0, var_80=19, var_81=0, var_81_arg_0=0, var_82=1, var_82_arg_0=0, var_82_arg_1=0, var_83=0, var_83_arg_0=1, var_83_arg_1=0, var_83_arg_2=9223372036854775846, var_85=18, var_86=254, var_86_arg_0=254, var_87=0, var_87_arg_0=0, var_87_arg_1=254, var_88=0, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=0, var_90=17, var_91=1, var_91_arg_0=1, var_92=0, var_92_arg_0=0, var_92_arg_1=1, var_93=0, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=0, var_95=16, var_96=1, var_96_arg_0=1, var_97=0, var_97_arg_0=0, var_97_arg_1=1, var_98=0, var_98_arg_0=0, var_98_arg_1=0, var_98_arg_2=0] [L201] CALL assume_abort_if_not(constr_230_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) [L201] RET assume_abort_if_not(constr_230_arg_0) VAL [bad_237_arg_0=0, constr_218_arg_0=1, constr_224_arg_0=1, constr_230_arg_0=1, init_214_arg_1=1, input_2=6, input_231=1, input_4=9223372036854775819, input_5=0, input_6=2, input_7=1, input_8=19, input_9=0, mask_SORT_1=1, mask_SORT_100=15, mask_SORT_11=127, mask_SORT_13=63, mask_SORT_141=7, mask_SORT_162=3, mask_SORT_19=31, mask_SORT_3=18446744073709551615, msb_SORT_1=1, msb_SORT_100=8, msb_SORT_11=64, msb_SORT_13=32, msb_SORT_141=4, msb_SORT_162=2, msb_SORT_19=16, msb_SORT_3=9223372036854775808, next_584_arg_1=9223372036854775855, next_587_arg_1=0, next_590_arg_1=0, next_593_arg_1=0, next_596_arg_1=0, next_599_arg_1=0, next_602_arg_1=0, next_605_arg_1=0, next_608_arg_1=0, next_611_arg_1=0, next_614_arg_1=0, next_617_arg_1=0, next_620_arg_1=0, next_623_arg_1=0, next_626_arg_1=0, next_629_arg_1=0, next_632_arg_1=0, next_635_arg_1=0, next_638_arg_1=0, next_641_arg_1=0, next_644_arg_1=0, next_647_arg_1=0, next_650_arg_1=0, next_653_arg_1=0, next_656_arg_1=0, next_659_arg_1=0, next_662_arg_1=0, next_665_arg_1=0, next_668_arg_1=9223372036854775825, next_671_arg_1=0, next_674_arg_1=0, next_677_arg_1=0, next_680_arg_1=0, next_683_arg_1=0, next_689_arg_1=1, next_692_arg_1=1, next_695_arg_1=1, next_698_arg_1=0, next_701_arg_1=0, next_702_arg_1=0, next_705_arg_1=0, state_10=9223372036854775855, state_105=0, state_110=0, state_115=0, state_12=0, state_120=0, state_125=0, state_130=0, state_135=0, state_140=0, state_146=0, state_151=9223372036854775825, state_156=0, state_161=0, state_167=0, state_172=0, state_177=0, state_18=0, state_182=1, state_190=1, state_191=1, state_194=0, state_209=0, state_213=0, state_24=0, state_282=0, state_29=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_79=0, state_84=0, state_89=0, state_94=0, state_99=0, var_101=15, var_102=1, var_102_arg_0=1, var_103=0, var_103_arg_0=0, var_103_arg_1=1, var_104=0, var_104_arg_0=0, var_104_arg_1=0, var_104_arg_2=0, var_106=14, var_107=252, var_107_arg_0=252, var_108=0, var_108_arg_0=0, var_108_arg_1=252, var_109=0, var_109_arg_0=0, var_109_arg_1=0, var_109_arg_2=0, var_111=13, var_112=1, var_112_arg_0=1, var_113=0, var_113_arg_0=0, var_113_arg_1=1, var_114=0, var_114_arg_0=0, var_114_arg_1=0, var_114_arg_2=0, var_116=12, var_117=12, var_117_arg_0=12, var_118=0, var_118_arg_0=0, var_118_arg_1=12, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_119_arg_2=0, var_121=11, var_122=0, var_122_arg_0=0, var_123=1, var_123_arg_0=0, var_123_arg_1=0, var_124=0, var_124_arg_0=1, var_124_arg_1=0, var_124_arg_2=0, var_126=10, var_127=56, var_127_arg_0=56, var_128=0, var_128_arg_0=0, var_128_arg_1=56, var_129=0, var_129_arg_0=0, var_129_arg_1=0, var_129_arg_2=0, var_131=9, var_132=253, var_132_arg_0=253, var_133=0, var_133_arg_0=0, var_133_arg_1=253, var_134=0, var_134_arg_0=0, var_134_arg_1=0, var_134_arg_2=0, var_136=8, var_137=8, var_137_arg_0=8, var_138=0, var_138_arg_0=0, var_138_arg_1=8, var_139=0, var_139_arg_0=0, var_139_arg_1=0, var_139_arg_2=0, var_14=0, var_142=7, var_143=7, var_143_arg_0=7, var_144=0, var_144_arg_0=0, var_144_arg_1=7, var_145=0, var_145_arg_0=0, var_145_arg_1=0, var_145_arg_2=0, var_147=6, var_148=0, var_148_arg_0=0, var_149=1, var_149_arg_0=0, var_149_arg_1=0, var_14_arg_0=0, var_15=32, var_150=0, var_150_arg_0=1, var_150_arg_1=0, var_150_arg_2=0, var_152=5, var_153=1, var_153_arg_0=1, var_154=0, var_154_arg_0=0, var_154_arg_1=1, var_155=0, var_155_arg_0=0, var_155_arg_1=9223372036854775825, var_155_arg_2=0, var_157=4, var_158=0, var_158_arg_0=0, var_159=1, var_159_arg_0=0, var_159_arg_1=0, var_16=0, var_160=0, var_160_arg_0=1, var_160_arg_1=0, var_160_arg_2=0, var_163=3, var_164=0, var_164_arg_0=0, var_165=1, var_165_arg_0=0, var_165_arg_1=0, var_166=0, var_166_arg_0=1, var_166_arg_1=0, var_166_arg_2=0, var_168=2, var_169=254, var_169_arg_0=254, var_16_arg_0=0, var_16_arg_1=32, var_17=0, var_170=0, var_170_arg_0=0, var_170_arg_1=254, var_171=0, var_171_arg_0=0, var_171_arg_1=0, var_171_arg_2=0, var_173=1, var_174=1, var_174_arg_0=1, var_175=0, var_175_arg_0=0, var_175_arg_1=1, var_176=0, var_176_arg_0=0, var_176_arg_1=0, var_176_arg_2=0, var_178=0, var_178_arg_0=0, var_179=0, var_179_arg_0=0, var_17_arg_0=0, var_17_arg_1=9223372036854775855, var_17_arg_2=0, var_180=0, var_180_arg_0=0, var_180_arg_1=0, var_180_arg_2=0, var_183=1, var_183_arg_0=1, var_184=3, var_184_arg_0=1, var_186=33, var_187=1, var_187_arg_0=1, var_188=1, var_188_arg_0=1, var_188_arg_1=1, var_192=1, var_192_arg_0=1, var_193=1, var_193_arg_0=1, var_193_arg_1=1, var_195=1, var_195_arg_0=255, var_196=1, var_196_arg_0=1, var_196_arg_1=1, var_197=0, var_197_arg_0=1, var_198=0, var_198_arg_0=1, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_20=31, var_200=255, var_200_arg_0=255, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_202=255, var_202_arg_0=255, var_202_arg_1=0, var_203=0, var_204=0, var_204_arg_0=0, var_204_arg_1=0, var_204_arg_2=255, var_205=0, var_205_arg_0=0, var_206=37, var_206_arg_0=0, var_207=1, var_207_arg_0=1, var_207_arg_1=37, var_208=0, var_208_arg_0=1, var_21=0, var_210=1, var_210_arg_0=0, var_210_arg_1=0, var_211=1, var_211_arg_0=0, var_211_arg_1=1, var_215=0, var_215_arg_0=1, var_215_arg_1=0, var_216=35, var_216_arg_0=1, var_217=1, var_217_arg_0=0, var_217_arg_1=35, var_219=1, var_219_arg_0=1, var_21_arg_0=0, var_22=1, var_220=52, var_220_arg_0=2, var_221=1, var_221_arg_0=1, var_221_arg_1=52, var_222=255, var_222_arg_0=1, var_223=1, var_223_arg_0=1, var_223_arg_1=255, var_225=1, var_225_arg_0=3, var_226=1, var_226_arg_0=0, var_227=1, var_227_arg_0=1, var_227_arg_1=1, var_228=255, var_228_arg_0=1, var_229=1, var_229_arg_0=1, var_229_arg_1=255, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_232=1, var_232_arg_0=1, var_232_arg_1=1, var_232_arg_2=1, var_233=0, var_234=0, var_234_arg_0=1, var_234_arg_1=0, var_234_arg_2=1, var_235=255, var_235_arg_0=1, var_236=0, var_236_arg_0=0, var_236_arg_1=255, var_23_arg_0=1, var_23_arg_1=0, var_23_arg_2=0, var_241=50, var_241_arg_0=1, var_241_arg_1=6, var_242=0, var_242_arg_0=50, var_242_arg_1=0, var_25=30, var_26=0, var_26_arg_0=0, var_27=1, var_27_arg_0=0, var_27_arg_1=0, var_28=0, var_283=0, var_283_arg_0=0, var_284=0, var_284_arg_0=0, var_285=2, var_285_arg_0=0, var_286=0, var_286_arg_0=1, var_286_arg_1=2, var_28_arg_0=1, var_28_arg_1=0, var_28_arg_2=0, var_291=0, var_291_arg_0=0, var_292=1, var_292_arg_0=0, var_292_arg_1=0, var_293=1, var_293_arg_0=1, var_293_arg_1=1, var_298=40, var_298_arg_0=40, var_299=0, var_299_arg_0=0, var_299_arg_1=40, var_30=29, var_300=0, var_300_arg_0=1, var_300_arg_1=0, var_305=0, var_305_arg_0=0, var_306=1, var_306_arg_0=0, var_306_arg_1=0, var_307=1, var_307_arg_0=1, var_307_arg_1=1, var_31=0, var_312=0, var_312_arg_0=0, var_313=1, var_313_arg_0=0, var_313_arg_1=0, var_314=1, var_314_arg_0=1, var_314_arg_1=1, var_319=0, var_319_arg_0=0, var_31_arg_0=0, var_32=1, var_320=1, var_320_arg_0=0, var_320_arg_1=0, var_321=1, var_321_arg_0=1, var_321_arg_1=1, var_326=15, var_326_arg_0=15, var_327=0, var_327_arg_0=0, var_327_arg_1=15, var_328=0, var_328_arg_0=1, var_328_arg_1=0, var_32_arg_0=0, var_32_arg_1=0, var_33=0, var_333=253, var_333_arg_0=253, var_334=0, var_334_arg_0=0, var_334_arg_1=253, var_335=0, var_335_arg_0=1, var_335_arg_1=0, var_33_arg_0=1, var_33_arg_1=0, var_33_arg_2=0, var_340=251, var_340_arg_0=251, var_341=0, var_341_arg_0=0, var_341_arg_1=251, var_342=0, var_342_arg_0=1, var_342_arg_1=0, var_347=18, var_347_arg_0=18, var_348=0, var_348_arg_0=0, var_348_arg_1=18, var_349=0, var_349_arg_0=1, var_349_arg_1=0, var_35=28, var_354=2, var_354_arg_0=2, var_355=0, var_355_arg_0=0, var_355_arg_1=2, var_356=0, var_356_arg_0=1, var_356_arg_1=0, var_36=0, var_361=1, var_361_arg_0=1, var_362=0, var_362_arg_0=0, var_362_arg_1=1, var_363=0, var_363_arg_0=1, var_363_arg_1=0, var_368=0, var_368_arg_0=0, var_369=1, var_369_arg_0=0, var_369_arg_1=0, var_36_arg_0=0, var_37=1, var_370=1, var_370_arg_0=1, var_370_arg_1=1, var_375=250, var_375_arg_0=250, var_376=0, var_376_arg_0=0, var_376_arg_1=250, var_377=0, var_377_arg_0=1, var_377_arg_1=0, var_37_arg_0=0, var_37_arg_1=0, var_38=0, var_382=0, var_382_arg_0=0, var_383=1, var_383_arg_0=0, var_383_arg_1=0, var_384=1, var_384_arg_0=1, var_384_arg_1=1, var_389=0, var_389_arg_0=0, var_38_arg_0=1, var_38_arg_1=0, var_38_arg_2=0, var_390=1, var_390_arg_0=0, var_390_arg_1=0, var_391=1, var_391_arg_0=1, var_391_arg_1=1, var_396=0, var_396_arg_0=0, var_397=1, var_397_arg_0=0, var_397_arg_1=0, var_398=1, var_398_arg_0=1, var_398_arg_1=1, var_40=27, var_403=0, var_403_arg_0=0, var_404=1, var_404_arg_0=0, var_404_arg_1=0, var_405=1, var_405_arg_0=1, var_405_arg_1=1, var_41=1, var_410=0, var_410_arg_0=0, var_411=1, var_411_arg_0=0, var_411_arg_1=0, var_412=1, var_412_arg_0=1, var_412_arg_1=1, var_417=250, var_417_arg_0=250, var_418=0, var_418_arg_0=0, var_418_arg_1=250, var_419=0, var_419_arg_0=1, var_419_arg_1=0, var_41_arg_0=1, var_42=0, var_424=1, var_424_arg_0=1, var_425=0, var_425_arg_0=0, var_425_arg_1=1, var_426=0, var_426_arg_0=1, var_426_arg_1=0, var_42_arg_0=0, var_42_arg_1=1, var_43=0, var_431=0, var_431_arg_0=0, var_432=1, var_432_arg_0=0, var_432_arg_1=0, var_433=1, var_433_arg_0=1, var_433_arg_1=1, var_438=0, var_438_arg_0=0, var_439=1, var_439_arg_0=0, var_439_arg_1=0, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_440=1, var_440_arg_0=1, var_440_arg_1=1, var_445=0, var_445_arg_0=0, var_446=1, var_446_arg_0=0, var_446_arg_1=0, var_447=1, var_447_arg_0=1, var_447_arg_1=1, var_45=26, var_452=3, var_452_arg_0=3, var_453=0, var_453_arg_0=0, var_453_arg_1=3, var_454=0, var_454_arg_0=1, var_454_arg_1=0, var_459=0, var_459_arg_0=0, var_459_arg_1=32, var_46=5, var_460=0, var_460_arg_0=1, var_460_arg_1=0, var_465=0, var_465_arg_0=0, var_466=1, var_466_arg_0=0, var_466_arg_1=0, var_467=1, var_467_arg_0=1, var_467_arg_1=1, var_46_arg_0=5, var_47=0, var_472=38, var_472_arg_0=38, var_473=0, var_473_arg_0=0, var_473_arg_1=38, var_474=0, var_474_arg_0=1, var_474_arg_1=0, var_479=1, var_479_arg_0=1, var_47_arg_0=0, var_47_arg_1=5, var_48=0, var_480=0, var_480_arg_0=0, var_480_arg_1=1, var_481=0, var_481_arg_0=1, var_481_arg_1=0, var_486=0, var_486_arg_0=0, var_487=1, var_487_arg_0=0, var_487_arg_1=0, var_488=1, var_488_arg_0=1, var_488_arg_1=1, var_48_arg_0=0, var_48_arg_1=0, var_48_arg_2=0, var_493=0, var_493_arg_0=0, var_494=1, var_494_arg_0=0, var_494_arg_1=0, var_495=1, var_495_arg_0=1, var_495_arg_1=1, var_50=25, var_500=251, var_500_arg_0=251, var_501=0, var_501_arg_0=0, var_501_arg_1=251, var_502=0, var_502_arg_0=1, var_502_arg_1=0, var_507=252, var_507_arg_0=252, var_508=0, var_508_arg_0=0, var_508_arg_1=252, var_509=0, var_509_arg_0=1, var_509_arg_1=0, var_51=0, var_512=0, var_512_arg_0=0, var_513=0, var_513_arg_0=0, var_513_arg_1=0, var_518=1, var_518_arg_0=1, var_519=1, var_519_arg_0=0, var_519_arg_1=1, var_51_arg_0=0, var_52=1, var_52_arg_0=0, var_52_arg_1=0, var_53=9223372036854775841, var_538=1, var_538_arg_0=1, var_538_arg_1=1, var_539=1, var_539_arg_0=1, var_539_arg_1=1, var_53_arg_0=1, var_53_arg_1=9223372036854775841, var_53_arg_2=0, var_542=0, var_542_arg_0=1, var_547=0, var_547_arg_0=1, var_547_arg_1=0, var_55=24, var_550=1, var_550_arg_0=1, var_550_arg_1=1, var_56=0, var_562=34, var_562_arg_0=1, var_562_arg_1=6, var_563=34, var_563_arg_0=34, var_563_arg_1=0, var_564=0, var_564_arg_0=34, var_564_arg_1=1, var_56_arg_0=0, var_57=1, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_581=9223372036854775855, var_581_arg_0=0, var_581_arg_1=0, var_581_arg_2=9223372036854775855, var_582=0, var_583=9223372036854775855, var_583_arg_0=0, var_583_arg_1=0, var_583_arg_2=9223372036854775855, var_585=0, var_585_arg_0=0, var_585_arg_1=0, var_585_arg_2=0, var_586=0, var_586_arg_0=0, var_586_arg_1=0, var_586_arg_2=0, var_588=0, var_588_arg_0=0, var_588_arg_1=0, var_588_arg_2=0, var_589=0, var_589_arg_0=0, var_589_arg_1=0, var_589_arg_2=0, var_58_arg_0=1, var_58_arg_1=0, var_58_arg_2=9223372036854775841, var_591=0, var_591_arg_0=1, var_591_arg_1=0, var_591_arg_2=0, var_592=0, var_592_arg_0=0, var_592_arg_1=0, var_592_arg_2=0, var_594=0, var_594_arg_0=1, var_594_arg_1=0, var_594_arg_2=0, var_595=0, var_595_arg_0=0, var_595_arg_1=0, var_595_arg_2=0, var_597=0, var_597_arg_0=0, var_597_arg_1=0, var_597_arg_2=0, var_598=0, var_598_arg_0=0, var_598_arg_1=0, var_598_arg_2=0, var_60=23, var_600=0, var_600_arg_0=0, var_600_arg_1=0, var_600_arg_2=0, var_601=0, var_601_arg_0=0, var_601_arg_1=0, var_601_arg_2=0, var_603=0, var_603_arg_0=1, var_603_arg_1=0, var_603_arg_2=0, var_604=0, var_604_arg_0=0, var_604_arg_1=0, var_604_arg_2=0, var_606=0, var_606_arg_0=1, var_606_arg_1=0, var_606_arg_2=9223372036854775841, var_607=0, var_607_arg_0=0, var_607_arg_1=0, var_607_arg_2=0, var_609=0, var_609_arg_0=1, var_609_arg_1=0, var_609_arg_2=0, var_61=1, var_610=0, var_610_arg_0=0, var_610_arg_1=0, var_610_arg_2=0, var_612=0, var_612_arg_0=1, var_612_arg_1=0, var_612_arg_2=0, var_613=0, var_613_arg_0=0, var_613_arg_1=0, var_613_arg_2=0, var_615=0, var_615_arg_0=1, var_615_arg_1=0, var_615_arg_2=0, var_616=0, var_616_arg_0=0, var_616_arg_1=0, var_616_arg_2=0, var_618=0, var_618_arg_0=0, var_618_arg_1=0, var_618_arg_2=0, var_619=0, var_619_arg_0=0, var_619_arg_1=0, var_619_arg_2=0, var_61_arg_0=1, var_62=0, var_621=0, var_621_arg_0=1, var_621_arg_1=0, var_621_arg_2=9223372036854775846, var_622=0, var_622_arg_0=0, var_622_arg_1=0, var_622_arg_2=0, var_624=0, var_624_arg_0=0, var_624_arg_1=0, var_624_arg_2=0, var_625=0, var_625_arg_0=0, var_625_arg_1=0, var_625_arg_2=0, var_627=0, var_627_arg_0=0, var_627_arg_1=0, var_627_arg_2=0, var_628=0, var_628_arg_0=0, var_628_arg_1=0, var_628_arg_2=0, var_62_arg_0=0, var_62_arg_1=1, var_63=0, var_630=0, var_630_arg_0=0, var_630_arg_1=0, var_630_arg_2=0, var_631=0, var_631_arg_0=0, var_631_arg_1=0, var_631_arg_2=0, var_633=0, var_633_arg_0=0, var_633_arg_1=0, var_633_arg_2=0, var_634=0, var_634_arg_0=0, var_634_arg_1=0, var_634_arg_2=0, var_636=0, var_636_arg_0=0, var_636_arg_1=0, var_636_arg_2=0, var_637=0, var_637_arg_0=0, var_637_arg_1=0, var_637_arg_2=0, var_639=0, var_639_arg_0=1, var_639_arg_1=0, var_639_arg_2=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_640=0, var_640_arg_0=0, var_640_arg_1=0, var_640_arg_2=0, var_642=0, var_642_arg_0=1, var_642_arg_1=0, var_642_arg_2=0, var_643=0, var_643_arg_0=0, var_643_arg_1=0, var_643_arg_2=0, var_645=0, var_645_arg_0=1, var_645_arg_1=0, var_645_arg_2=0, var_646=0, var_646_arg_0=0, var_646_arg_1=0, var_646_arg_2=0, var_648=0, var_648_arg_0=0, var_648_arg_1=0, var_648_arg_2=0, var_649=0, var_649_arg_0=0, var_649_arg_1=0, var_649_arg_2=0, var_65=22, var_651=0, var_651_arg_0=1, var_651_arg_1=0, var_651_arg_2=0, var_652=0, var_652_arg_0=0, var_652_arg_1=0, var_652_arg_2=0, var_654=0, var_654_arg_0=0, var_654_arg_1=0, var_654_arg_2=0, var_655=0, var_655_arg_0=0, var_655_arg_1=0, var_655_arg_2=0, var_657=0, var_657_arg_0=0, var_657_arg_1=0, var_657_arg_2=0, var_658=0, var_658_arg_0=0, var_658_arg_1=0, var_658_arg_2=0, var_66=0, var_660=0, var_660_arg_0=1, var_660_arg_1=0, var_660_arg_2=0, var_661=0, var_661_arg_0=0, var_661_arg_1=0, var_661_arg_2=0, var_663=0, var_663_arg_0=1, var_663_arg_1=0, var_663_arg_2=0, var_664=0, var_664_arg_0=0, var_664_arg_1=0, var_664_arg_2=0, var_666=9223372036854775825, var_666_arg_0=0, var_666_arg_1=0, var_666_arg_2=9223372036854775825, var_667=9223372036854775825, var_667_arg_0=0, var_667_arg_1=0, var_667_arg_2=9223372036854775825, var_669=0, var_669_arg_0=0, var_669_arg_1=0, var_669_arg_2=0, var_66_arg_0=0, var_67=1, var_670=0, var_670_arg_0=0, var_670_arg_1=0, var_670_arg_2=0, var_672=0, var_672_arg_0=1, var_672_arg_1=0, var_672_arg_2=0, var_673=0, var_673_arg_0=0, var_673_arg_1=0, var_673_arg_2=0, var_675=0, var_675_arg_0=1, var_675_arg_1=0, var_675_arg_2=0, var_676=0, var_676_arg_0=0, var_676_arg_1=0, var_676_arg_2=0, var_678=0, var_678_arg_0=0, var_678_arg_1=0, var_678_arg_2=0, var_679=0, var_679_arg_0=0, var_679_arg_1=0, var_679_arg_2=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_681=0, var_681_arg_0=0, var_681_arg_1=0, var_681_arg_2=0, var_682=0, var_682_arg_0=0, var_682_arg_1=0, var_682_arg_2=0, var_684=1, var_684_arg_0=1, var_685=1, var_685_arg_0=0, var_685_arg_1=1, var_686=0, var_686_arg_0=0, var_687=1, var_687_arg_0=1, var_687_arg_1=0, var_688=1, var_688_arg_0=0, var_688_arg_1=0, var_688_arg_2=1, var_68_arg_0=1, var_68_arg_1=0, var_68_arg_2=0, var_690=1, var_690_arg_0=0, var_690_arg_1=1, var_690_arg_2=1, var_691=1, var_691_arg_0=0, var_691_arg_1=0, var_691_arg_2=1, var_693=1, var_693_arg_0=1, var_693_arg_1=1, var_693_arg_2=1, var_694=1, var_694_arg_0=0, var_694_arg_1=0, var_694_arg_2=1, var_696=255, var_696_arg_0=0, var_696_arg_1=0, var_696_arg_2=255, var_697=0, var_697_arg_0=0, var_697_arg_1=0, var_697_arg_2=255, var_699=0, var_699_arg_0=0, var_699_arg_1=0, var_699_arg_2=0, var_70=21, var_700=0, var_700_arg_0=0, var_700_arg_1=0, var_700_arg_2=0, var_703=0, var_703_arg_0=0, var_703_arg_1=1, var_703_arg_2=0, var_704=0, var_704_arg_0=0, var_704_arg_1=0, var_704_arg_2=0, var_71=0, var_71_arg_0=0, var_72=1, var_72_arg_0=0, var_72_arg_1=0, var_73=0, var_73_arg_0=1, var_73_arg_1=0, var_73_arg_2=0, var_75=20, var_76=0, var_76_arg_0=0, var_77=1, var_77_arg_0=0, var_77_arg_1=0, var_78=9223372036854775846, var_78_arg_0=1, var_78_arg_1=9223372036854775846, var_78_arg_2=0, var_80=19, var_81=0, var_81_arg_0=0, var_82=1, var_82_arg_0=0, var_82_arg_1=0, var_83=0, var_83_arg_0=1, var_83_arg_1=0, var_83_arg_2=9223372036854775846, var_85=18, var_86=254, var_86_arg_0=254, var_87=0, var_87_arg_0=0, var_87_arg_1=254, var_88=0, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=0, var_90=17, var_91=1, var_91_arg_0=1, var_92=0, var_92_arg_0=0, var_92_arg_1=1, var_93=0, var_93_arg_0=0, var_93_arg_1=0, var_93_arg_2=0, var_95=16, var_96=1, var_96_arg_0=1, var_97=0, var_97_arg_0=0, var_97_arg_1=1, var_98=0, var_98_arg_0=0, var_98_arg_1=0, var_98_arg_2=0] [L203] SORT_1 var_234_arg_0 = state_213; [L204] SORT_1 var_234_arg_1 = var_233; [L205] SORT_1 var_234_arg_2 = var_173; [L206] EXPR var_234_arg_0 ? var_234_arg_1 : var_234_arg_2 [L206] SORT_1 var_234 = var_234_arg_0 ? var_234_arg_1 : var_234_arg_2; [L207] SORT_1 var_192_arg_0 = state_191; [L208] SORT_1 var_192 = ~var_192_arg_0; [L209] SORT_1 var_193_arg_0 = state_190; [L210] SORT_1 var_193_arg_1 = var_192; [L211] SORT_1 var_193 = var_193_arg_0 & var_193_arg_1; [L212] SORT_11 var_195_arg_0 = state_194; [L213] SORT_1 var_195 = var_195_arg_0 != 0; [L214] SORT_1 var_196_arg_0 = var_193; [L215] SORT_1 var_196_arg_1 = var_195; [L216] SORT_1 var_196 = var_196_arg_0 & var_196_arg_1; [L217] SORT_1 var_197_arg_0 = state_190; [L218] SORT_1 var_197 = ~var_197_arg_0; [L219] SORT_1 var_198_arg_0 = input_6; [L220] SORT_1 var_198_arg_1 = var_197; [L221] SORT_1 var_198 = var_198_arg_0 & var_198_arg_1; [L222] SORT_1 var_199_arg_0 = var_198; [L223] var_199_arg_0 = var_199_arg_0 & mask_SORT_1 [L224] SORT_11 var_199 = var_199_arg_0; [L225] SORT_11 var_200_arg_0 = state_194; [L226] SORT_11 var_200_arg_1 = var_199; [L227] SORT_11 var_200 = var_200_arg_0 + var_200_arg_1; [L228] SORT_1 var_201_arg_0 = input_5; [L229] var_201_arg_0 = var_201_arg_0 & mask_SORT_1 [L230] SORT_11 var_201 = var_201_arg_0; [L231] SORT_11 var_202_arg_0 = var_200; [L232] SORT_11 var_202_arg_1 = var_201; [L233] SORT_11 var_202 = var_202_arg_0 - var_202_arg_1; [L234] SORT_1 var_204_arg_0 = input_7; [L235] SORT_11 var_204_arg_1 = var_203; [L236] SORT_11 var_204_arg_2 = var_202; [L237] EXPR var_204_arg_0 ? var_204_arg_1 : var_204_arg_2 [L237] SORT_11 var_204 = var_204_arg_0 ? var_204_arg_1 : var_204_arg_2; [L238] var_204 = var_204 & mask_SORT_11 [L239] SORT_11 var_205_arg_0 = var_204; [L240] SORT_1 var_205 = var_205_arg_0 != 0; [L241] SORT_1 var_206_arg_0 = var_205; [L242] SORT_1 var_206 = ~var_206_arg_0; [L243] SORT_1 var_207_arg_0 = var_196; [L244] SORT_1 var_207_arg_1 = var_206; [L245] SORT_1 var_207 = var_207_arg_0 & var_207_arg_1; [L246] SORT_1 var_208_arg_0 = var_207; [L247] SORT_1 var_208 = ~var_208_arg_0; [L248] SORT_11 var_14_arg_0 = state_12; [L249] SORT_13 var_14 = var_14_arg_0 >> 0; [L250] var_14 = var_14 & mask_SORT_13 [L251] SORT_13 var_178_arg_0 = var_14; [L252] SORT_1 var_178 = var_178_arg_0 != 0; [L253] SORT_1 var_179_arg_0 = var_178; [L254] SORT_1 var_179 = ~var_179_arg_0; [L255] var_179 = var_179 & mask_SORT_1 [L256] SORT_1 var_174_arg_0 = var_173; [L257] var_174_arg_0 = var_174_arg_0 & mask_SORT_1 [L258] SORT_13 var_174 = var_174_arg_0; [L259] SORT_13 var_175_arg_0 = var_14; [L260] SORT_13 var_175_arg_1 = var_174; [L261] SORT_1 var_175 = var_175_arg_0 == var_175_arg_1; [L262] SORT_162 var_169_arg_0 = var_168; [L263] var_169_arg_0 = var_169_arg_0 & mask_SORT_162 [L264] SORT_13 var_169 = var_169_arg_0; [L265] SORT_13 var_170_arg_0 = var_14; [L266] SORT_13 var_170_arg_1 = var_169; [L267] SORT_1 var_170 = var_170_arg_0 == var_170_arg_1; [L268] SORT_162 var_164_arg_0 = var_163; [L269] var_164_arg_0 = var_164_arg_0 & mask_SORT_162 [L270] SORT_13 var_164 = var_164_arg_0; [L271] SORT_13 var_165_arg_0 = var_14; [L272] SORT_13 var_165_arg_1 = var_164; [L273] SORT_1 var_165 = var_165_arg_0 == var_165_arg_1; [L274] SORT_141 var_158_arg_0 = var_157; [L275] var_158_arg_0 = var_158_arg_0 & mask_SORT_141 [L276] SORT_13 var_158 = var_158_arg_0; [L277] SORT_13 var_159_arg_0 = var_14; [L278] SORT_13 var_159_arg_1 = var_158; [L279] SORT_1 var_159 = var_159_arg_0 == var_159_arg_1; [L280] SORT_141 var_153_arg_0 = var_152; [L281] var_153_arg_0 = var_153_arg_0 & mask_SORT_141 [L282] SORT_13 var_153 = var_153_arg_0; [L283] SORT_13 var_154_arg_0 = var_14; [L284] SORT_13 var_154_arg_1 = var_153; [L285] SORT_1 var_154 = var_154_arg_0 == var_154_arg_1; [L286] SORT_141 var_148_arg_0 = var_147; [L287] var_148_arg_0 = var_148_arg_0 & mask_SORT_141 [L288] SORT_13 var_148 = var_148_arg_0; [L289] SORT_13 var_149_arg_0 = var_14; [L290] SORT_13 var_149_arg_1 = var_148; [L291] SORT_1 var_149 = var_149_arg_0 == var_149_arg_1; [L292] SORT_141 var_143_arg_0 = var_142; [L293] var_143_arg_0 = var_143_arg_0 & mask_SORT_141 [L294] SORT_13 var_143 = var_143_arg_0; [L295] SORT_13 var_144_arg_0 = var_14; [L296] SORT_13 var_144_arg_1 = var_143; [L297] SORT_1 var_144 = var_144_arg_0 == var_144_arg_1; [L298] SORT_100 var_137_arg_0 = var_136; [L299] var_137_arg_0 = var_137_arg_0 & mask_SORT_100 [L300] SORT_13 var_137 = var_137_arg_0; [L301] SORT_13 var_138_arg_0 = var_14; [L302] SORT_13 var_138_arg_1 = var_137; [L303] SORT_1 var_138 = var_138_arg_0 == var_138_arg_1; [L304] SORT_100 var_132_arg_0 = var_131; [L305] var_132_arg_0 = var_132_arg_0 & mask_SORT_100 [L306] SORT_13 var_132 = var_132_arg_0; [L307] SORT_13 var_133_arg_0 = var_14; [L308] SORT_13 var_133_arg_1 = var_132; [L309] SORT_1 var_133 = var_133_arg_0 == var_133_arg_1; [L310] SORT_100 var_127_arg_0 = var_126; [L311] var_127_arg_0 = var_127_arg_0 & mask_SORT_100 [L312] SORT_13 var_127 = var_127_arg_0; [L313] SORT_13 var_128_arg_0 = var_14; [L314] SORT_13 var_128_arg_1 = var_127; [L315] SORT_1 var_128 = var_128_arg_0 == var_128_arg_1; [L316] SORT_100 var_122_arg_0 = var_121; [L317] var_122_arg_0 = var_122_arg_0 & mask_SORT_100 [L318] SORT_13 var_122 = var_122_arg_0; [L319] SORT_13 var_123_arg_0 = var_14; [L320] SORT_13 var_123_arg_1 = var_122; [L321] SORT_1 var_123 = var_123_arg_0 == var_123_arg_1; [L322] SORT_100 var_117_arg_0 = var_116; [L323] var_117_arg_0 = var_117_arg_0 & mask_SORT_100 [L324] SORT_13 var_117 = var_117_arg_0; [L325] SORT_13 var_118_arg_0 = var_14; [L326] SORT_13 var_118_arg_1 = var_117; [L327] SORT_1 var_118 = var_118_arg_0 == var_118_arg_1; [L328] SORT_100 var_112_arg_0 = var_111; [L329] var_112_arg_0 = var_112_arg_0 & mask_SORT_100 [L330] SORT_13 var_112 = var_112_arg_0; [L331] SORT_13 var_113_arg_0 = var_14; [L332] SORT_13 var_113_arg_1 = var_112; [L333] SORT_1 var_113 = var_113_arg_0 == var_113_arg_1; [L334] SORT_100 var_107_arg_0 = var_106; [L335] var_107_arg_0 = var_107_arg_0 & mask_SORT_100 [L336] SORT_13 var_107 = var_107_arg_0; [L337] SORT_13 var_108_arg_0 = var_14; [L338] SORT_13 var_108_arg_1 = var_107; [L339] SORT_1 var_108 = var_108_arg_0 == var_108_arg_1; [L340] SORT_100 var_102_arg_0 = var_101; [L341] var_102_arg_0 = var_102_arg_0 & mask_SORT_100 [L342] SORT_13 var_102 = var_102_arg_0; [L343] SORT_13 var_103_arg_0 = var_14; [L344] SORT_13 var_103_arg_1 = var_102; [L345] SORT_1 var_103 = var_103_arg_0 == var_103_arg_1; [L346] SORT_19 var_96_arg_0 = var_95; [L347] var_96_arg_0 = var_96_arg_0 & mask_SORT_19 [L348] SORT_13 var_96 = var_96_arg_0; [L349] SORT_13 var_97_arg_0 = var_14; [L350] SORT_13 var_97_arg_1 = var_96; [L351] SORT_1 var_97 = var_97_arg_0 == var_97_arg_1; [L352] SORT_19 var_91_arg_0 = var_90; [L353] var_91_arg_0 = var_91_arg_0 & mask_SORT_19 [L354] SORT_13 var_91 = var_91_arg_0; [L355] SORT_13 var_92_arg_0 = var_14; [L356] SORT_13 var_92_arg_1 = var_91; [L357] SORT_1 var_92 = var_92_arg_0 == var_92_arg_1; [L358] SORT_19 var_86_arg_0 = var_85; [L359] var_86_arg_0 = var_86_arg_0 & mask_SORT_19 [L360] SORT_13 var_86 = var_86_arg_0; [L361] SORT_13 var_87_arg_0 = var_14; [L362] SORT_13 var_87_arg_1 = var_86; [L363] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L364] SORT_19 var_81_arg_0 = var_80; [L365] var_81_arg_0 = var_81_arg_0 & mask_SORT_19 [L366] SORT_13 var_81 = var_81_arg_0; [L367] SORT_13 var_82_arg_0 = var_14; [L368] SORT_13 var_82_arg_1 = var_81; [L369] SORT_1 var_82 = var_82_arg_0 == var_82_arg_1; [L370] SORT_19 var_76_arg_0 = var_75; [L371] var_76_arg_0 = var_76_arg_0 & mask_SORT_19 [L372] SORT_13 var_76 = var_76_arg_0; [L373] SORT_13 var_77_arg_0 = var_14; [L374] SORT_13 var_77_arg_1 = var_76; [L375] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L376] SORT_19 var_71_arg_0 = var_70; [L377] var_71_arg_0 = var_71_arg_0 & mask_SORT_19 [L378] SORT_13 var_71 = var_71_arg_0; [L379] SORT_13 var_72_arg_0 = var_14; [L380] SORT_13 var_72_arg_1 = var_71; [L381] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L382] SORT_19 var_66_arg_0 = var_65; [L383] var_66_arg_0 = var_66_arg_0 & mask_SORT_19 [L384] SORT_13 var_66 = var_66_arg_0; [L385] SORT_13 var_67_arg_0 = var_14; [L386] SORT_13 var_67_arg_1 = var_66; [L387] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L388] SORT_19 var_61_arg_0 = var_60; [L389] var_61_arg_0 = var_61_arg_0 & mask_SORT_19 [L390] SORT_13 var_61 = var_61_arg_0; [L391] SORT_13 var_62_arg_0 = var_14; [L392] SORT_13 var_62_arg_1 = var_61; [L393] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L394] SORT_19 var_56_arg_0 = var_55; [L395] var_56_arg_0 = var_56_arg_0 & mask_SORT_19 [L396] SORT_13 var_56 = var_56_arg_0; [L397] SORT_13 var_57_arg_0 = var_14; [L398] SORT_13 var_57_arg_1 = var_56; [L399] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L400] SORT_19 var_51_arg_0 = var_50; [L401] var_51_arg_0 = var_51_arg_0 & mask_SORT_19 [L402] SORT_13 var_51 = var_51_arg_0; [L403] SORT_13 var_52_arg_0 = var_14; [L404] SORT_13 var_52_arg_1 = var_51; [L405] SORT_1 var_52 = var_52_arg_0 == var_52_arg_1; [L406] SORT_19 var_46_arg_0 = var_45; [L407] var_46_arg_0 = var_46_arg_0 & mask_SORT_19 [L408] SORT_13 var_46 = var_46_arg_0; [L409] SORT_13 var_47_arg_0 = var_14; [L410] SORT_13 var_47_arg_1 = var_46; [L411] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L412] SORT_19 var_41_arg_0 = var_40; [L413] var_41_arg_0 = var_41_arg_0 & mask_SORT_19 [L414] SORT_13 var_41 = var_41_arg_0; [L415] SORT_13 var_42_arg_0 = var_14; [L416] SORT_13 var_42_arg_1 = var_41; [L417] SORT_1 var_42 = var_42_arg_0 == var_42_arg_1; [L418] SORT_19 var_36_arg_0 = var_35; [L419] var_36_arg_0 = var_36_arg_0 & mask_SORT_19 [L420] SORT_13 var_36 = var_36_arg_0; [L421] SORT_13 var_37_arg_0 = var_14; [L422] SORT_13 var_37_arg_1 = var_36; [L423] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L424] SORT_19 var_31_arg_0 = var_30; [L425] var_31_arg_0 = var_31_arg_0 & mask_SORT_19 [L426] SORT_13 var_31 = var_31_arg_0; [L427] SORT_13 var_32_arg_0 = var_14; [L428] SORT_13 var_32_arg_1 = var_31; [L429] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L430] SORT_19 var_26_arg_0 = var_25; [L431] var_26_arg_0 = var_26_arg_0 & mask_SORT_19 [L432] SORT_13 var_26 = var_26_arg_0; [L433] SORT_13 var_27_arg_0 = var_14; [L434] SORT_13 var_27_arg_1 = var_26; [L435] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L436] SORT_19 var_21_arg_0 = var_20; [L437] var_21_arg_0 = var_21_arg_0 & mask_SORT_19 [L438] SORT_13 var_21 = var_21_arg_0; [L439] SORT_13 var_22_arg_0 = var_14; [L440] SORT_13 var_22_arg_1 = var_21; [L441] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L442] SORT_13 var_16_arg_0 = var_14; [L443] SORT_13 var_16_arg_1 = var_15; [L444] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L445] SORT_1 var_17_arg_0 = var_16; [L446] SORT_3 var_17_arg_1 = state_10; [L447] SORT_3 var_17_arg_2 = input_9; [L448] EXPR var_17_arg_0 ? var_17_arg_1 : var_17_arg_2 [L448] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L449] SORT_1 var_23_arg_0 = var_22; [L450] SORT_3 var_23_arg_1 = state_18; [L451] SORT_3 var_23_arg_2 = var_17; [L452] EXPR var_23_arg_0 ? var_23_arg_1 : var_23_arg_2 [L452] SORT_3 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L453] SORT_1 var_28_arg_0 = var_27; [L454] SORT_3 var_28_arg_1 = state_24; [L455] SORT_3 var_28_arg_2 = var_23; [L456] EXPR var_28_arg_0 ? var_28_arg_1 : var_28_arg_2 [L456] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L457] SORT_1 var_33_arg_0 = var_32; [L458] SORT_3 var_33_arg_1 = state_29; [L459] SORT_3 var_33_arg_2 = var_28; [L460] EXPR var_33_arg_0 ? var_33_arg_1 : var_33_arg_2 [L460] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L461] SORT_1 var_38_arg_0 = var_37; [L462] SORT_3 var_38_arg_1 = state_34; [L463] SORT_3 var_38_arg_2 = var_33; [L464] EXPR var_38_arg_0 ? var_38_arg_1 : var_38_arg_2 [L464] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L465] SORT_1 var_43_arg_0 = var_42; [L466] SORT_3 var_43_arg_1 = state_39; [L467] SORT_3 var_43_arg_2 = var_38; [L468] EXPR var_43_arg_0 ? var_43_arg_1 : var_43_arg_2 [L468] SORT_3 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L469] SORT_1 var_48_arg_0 = var_47; [L470] SORT_3 var_48_arg_1 = state_44; [L471] SORT_3 var_48_arg_2 = var_43; [L472] EXPR var_48_arg_0 ? var_48_arg_1 : var_48_arg_2 [L472] SORT_3 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L473] SORT_1 var_53_arg_0 = var_52; [L474] SORT_3 var_53_arg_1 = state_49; [L475] SORT_3 var_53_arg_2 = var_48; [L476] EXPR var_53_arg_0 ? var_53_arg_1 : var_53_arg_2 [L476] SORT_3 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L477] SORT_1 var_58_arg_0 = var_57; [L478] SORT_3 var_58_arg_1 = state_54; [L479] SORT_3 var_58_arg_2 = var_53; [L480] EXPR var_58_arg_0 ? var_58_arg_1 : var_58_arg_2 [L480] SORT_3 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L481] SORT_1 var_63_arg_0 = var_62; [L482] SORT_3 var_63_arg_1 = state_59; [L483] SORT_3 var_63_arg_2 = var_58; [L484] EXPR var_63_arg_0 ? var_63_arg_1 : var_63_arg_2 [L484] SORT_3 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L485] SORT_1 var_68_arg_0 = var_67; [L486] SORT_3 var_68_arg_1 = state_64; [L487] SORT_3 var_68_arg_2 = var_63; [L488] EXPR var_68_arg_0 ? var_68_arg_1 : var_68_arg_2 [L488] SORT_3 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L489] SORT_1 var_73_arg_0 = var_72; [L490] SORT_3 var_73_arg_1 = state_69; [L491] SORT_3 var_73_arg_2 = var_68; [L492] EXPR var_73_arg_0 ? var_73_arg_1 : var_73_arg_2 [L492] SORT_3 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L493] SORT_1 var_78_arg_0 = var_77; [L494] SORT_3 var_78_arg_1 = state_74; [L495] SORT_3 var_78_arg_2 = var_73; [L496] EXPR var_78_arg_0 ? var_78_arg_1 : var_78_arg_2 [L496] SORT_3 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L497] SORT_1 var_83_arg_0 = var_82; [L498] SORT_3 var_83_arg_1 = state_79; [L499] SORT_3 var_83_arg_2 = var_78; [L500] EXPR var_83_arg_0 ? var_83_arg_1 : var_83_arg_2 [L500] SORT_3 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L501] SORT_1 var_88_arg_0 = var_87; [L502] SORT_3 var_88_arg_1 = state_84; [L503] SORT_3 var_88_arg_2 = var_83; [L504] EXPR var_88_arg_0 ? var_88_arg_1 : var_88_arg_2 [L504] SORT_3 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L505] SORT_1 var_93_arg_0 = var_92; [L506] SORT_3 var_93_arg_1 = state_89; [L507] SORT_3 var_93_arg_2 = var_88; [L508] EXPR var_93_arg_0 ? var_93_arg_1 : var_93_arg_2 [L508] SORT_3 var_93 = var_93_arg_0 ? var_93_arg_1 : var_93_arg_2; [L509] SORT_1 var_98_arg_0 = var_97; [L510] SORT_3 var_98_arg_1 = state_94; [L511] SORT_3 var_98_arg_2 = var_93; [L512] EXPR var_98_arg_0 ? var_98_arg_1 : var_98_arg_2 [L512] SORT_3 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L513] SORT_1 var_104_arg_0 = var_103; [L514] SORT_3 var_104_arg_1 = state_99; [L515] SORT_3 var_104_arg_2 = var_98; [L516] EXPR var_104_arg_0 ? var_104_arg_1 : var_104_arg_2 [L516] SORT_3 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L517] SORT_1 var_109_arg_0 = var_108; [L518] SORT_3 var_109_arg_1 = state_105; [L519] SORT_3 var_109_arg_2 = var_104; [L520] EXPR var_109_arg_0 ? var_109_arg_1 : var_109_arg_2 [L520] SORT_3 var_109 = var_109_arg_0 ? var_109_arg_1 : var_109_arg_2; [L521] SORT_1 var_114_arg_0 = var_113; [L522] SORT_3 var_114_arg_1 = state_110; [L523] SORT_3 var_114_arg_2 = var_109; [L524] EXPR var_114_arg_0 ? var_114_arg_1 : var_114_arg_2 [L524] SORT_3 var_114 = var_114_arg_0 ? var_114_arg_1 : var_114_arg_2; [L525] SORT_1 var_119_arg_0 = var_118; [L526] SORT_3 var_119_arg_1 = state_115; [L527] SORT_3 var_119_arg_2 = var_114; [L528] EXPR var_119_arg_0 ? var_119_arg_1 : var_119_arg_2 [L528] SORT_3 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L529] SORT_1 var_124_arg_0 = var_123; [L530] SORT_3 var_124_arg_1 = state_120; [L531] SORT_3 var_124_arg_2 = var_119; [L532] EXPR var_124_arg_0 ? var_124_arg_1 : var_124_arg_2 [L532] SORT_3 var_124 = var_124_arg_0 ? var_124_arg_1 : var_124_arg_2; [L533] SORT_1 var_129_arg_0 = var_128; [L534] SORT_3 var_129_arg_1 = state_125; [L535] SORT_3 var_129_arg_2 = var_124; [L536] EXPR var_129_arg_0 ? var_129_arg_1 : var_129_arg_2 [L536] SORT_3 var_129 = var_129_arg_0 ? var_129_arg_1 : var_129_arg_2; [L537] SORT_1 var_134_arg_0 = var_133; [L538] SORT_3 var_134_arg_1 = state_130; [L539] SORT_3 var_134_arg_2 = var_129; [L540] EXPR var_134_arg_0 ? var_134_arg_1 : var_134_arg_2 [L540] SORT_3 var_134 = var_134_arg_0 ? var_134_arg_1 : var_134_arg_2; [L541] SORT_1 var_139_arg_0 = var_138; [L542] SORT_3 var_139_arg_1 = state_135; [L543] SORT_3 var_139_arg_2 = var_134; [L544] EXPR var_139_arg_0 ? var_139_arg_1 : var_139_arg_2 [L544] SORT_3 var_139 = var_139_arg_0 ? var_139_arg_1 : var_139_arg_2; [L545] SORT_1 var_145_arg_0 = var_144; [L546] SORT_3 var_145_arg_1 = state_140; [L547] SORT_3 var_145_arg_2 = var_139; [L548] EXPR var_145_arg_0 ? var_145_arg_1 : var_145_arg_2 [L548] SORT_3 var_145 = var_145_arg_0 ? var_145_arg_1 : var_145_arg_2; [L549] SORT_1 var_150_arg_0 = var_149; [L550] SORT_3 var_150_arg_1 = state_146; [L551] SORT_3 var_150_arg_2 = var_145; [L552] EXPR var_150_arg_0 ? var_150_arg_1 : var_150_arg_2 [L552] SORT_3 var_150 = var_150_arg_0 ? var_150_arg_1 : var_150_arg_2; [L553] SORT_1 var_155_arg_0 = var_154; [L554] SORT_3 var_155_arg_1 = state_151; [L555] SORT_3 var_155_arg_2 = var_150; [L556] EXPR var_155_arg_0 ? var_155_arg_1 : var_155_arg_2 [L556] SORT_3 var_155 = var_155_arg_0 ? var_155_arg_1 : var_155_arg_2; [L557] SORT_1 var_160_arg_0 = var_159; [L558] SORT_3 var_160_arg_1 = state_156; [L559] SORT_3 var_160_arg_2 = var_155; [L560] EXPR var_160_arg_0 ? var_160_arg_1 : var_160_arg_2 [L560] SORT_3 var_160 = var_160_arg_0 ? var_160_arg_1 : var_160_arg_2; [L561] SORT_1 var_166_arg_0 = var_165; [L562] SORT_3 var_166_arg_1 = state_161; [L563] SORT_3 var_166_arg_2 = var_160; [L564] EXPR var_166_arg_0 ? var_166_arg_1 : var_166_arg_2 [L564] SORT_3 var_166 = var_166_arg_0 ? var_166_arg_1 : var_166_arg_2; [L565] SORT_1 var_171_arg_0 = var_170; [L566] SORT_3 var_171_arg_1 = state_167; [L567] SORT_3 var_171_arg_2 = var_166; [L568] EXPR var_171_arg_0 ? var_171_arg_1 : var_171_arg_2 [L568] SORT_3 var_171 = var_171_arg_0 ? var_171_arg_1 : var_171_arg_2; [L569] SORT_1 var_176_arg_0 = var_175; [L570] SORT_3 var_176_arg_1 = state_172; [L571] SORT_3 var_176_arg_2 = var_171; [L572] EXPR var_176_arg_0 ? var_176_arg_1 : var_176_arg_2 [L572] SORT_3 var_176 = var_176_arg_0 ? var_176_arg_1 : var_176_arg_2; [L573] SORT_1 var_180_arg_0 = var_179; [L574] SORT_3 var_180_arg_1 = state_177; [L575] SORT_3 var_180_arg_2 = var_176; [L576] EXPR var_180_arg_0 ? var_180_arg_1 : var_180_arg_2 [L576] SORT_3 var_180 = var_180_arg_0 ? var_180_arg_1 : var_180_arg_2; [L577] var_180 = var_180 & mask_SORT_3 [L578] SORT_3 var_210_arg_0 = state_209; [L579] SORT_3 var_210_arg_1 = var_180; [L580] SORT_1 var_210 = var_210_arg_0 == var_210_arg_1; [L581] SORT_1 var_211_arg_0 = var_208; [L582] SORT_1 var_211_arg_1 = var_210; [L583] SORT_1 var_211 = var_211_arg_0 | var_211_arg_1; [L584] SORT_1 var_232_arg_0 = state_213; [L585] SORT_1 var_232_arg_1 = input_231; [L586] SORT_1 var_232_arg_2 = var_211; [L587] EXPR var_232_arg_0 ? var_232_arg_1 : var_232_arg_2 [L587] SORT_1 var_232 = var_232_arg_0 ? var_232_arg_1 : var_232_arg_2; [L588] SORT_1 var_235_arg_0 = var_232; [L589] SORT_1 var_235 = ~var_235_arg_0; [L590] SORT_1 var_236_arg_0 = var_234; [L591] SORT_1 var_236_arg_1 = var_235; [L592] SORT_1 var_236 = var_236_arg_0 & var_236_arg_1; [L593] var_236 = var_236 & mask_SORT_1 [L594] SORT_1 bad_237_arg_0 = var_236; [L595] CALL __VERIFIER_assert(!(bad_237_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 95.5s, OverallIterations: 2, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 13 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=1, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 49.8s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-03 01:44:54,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/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_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d32_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/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_b28ada4d-3566-4e7d-815c-348bb1fa1f90/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 223ad945b034bac2a266b34d15fe008fba2370dab8dff9f39cd2e371c19ffd4c --- 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 01:44:57,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:44:57,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:44:57,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:44:57,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:44:57,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:44:57,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:44:57,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:44:57,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:44:57,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:44:57,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:44:57,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:44:57,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:44:57,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:44:57,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:44:57,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:44:57,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:44:57,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:44:57,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:44:57,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:44:57,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:44:57,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:44:57,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:44:57,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:44:57,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:44:57,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:44:57,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:44:57,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:44:57,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:44:57,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:44:57,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:44:57,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:44:57,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:44:57,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:44:57,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:44:57,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:44:57,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:44:57,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:44:57,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:44:57,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:44:57,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:44:57,667 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 01:44:57,718 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:44:57,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:44:57,720 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:44:57,720 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:44:57,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:44:57,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:44:57,722 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:44:57,722 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:44:57,724 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:44:57,724 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:44:57,725 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:44:57,726 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:44:57,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:44:57,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:44:57,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:44:57,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:44:57,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:44:57,729 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 01:44:57,729 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 01:44:57,729 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 01:44:57,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:44:57,730 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:44:57,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:44:57,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:44:57,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 01:44:57,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:44:57,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:44:57,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:44:57,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:44:57,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:44:57,732 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 01:44:57,732 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 01:44:57,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:44:57,733 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:44:57,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 01:44:57,733 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_b28ada4d-3566-4e7d-815c-348bb1fa1f90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 223ad945b034bac2a266b34d15fe008fba2370dab8dff9f39cd2e371c19ffd4c [2022-11-03 01:44:58,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:44:58,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:44:58,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:44:58,181 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:44:58,183 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:44:58,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d32_e0.c [2022-11-03 01:44:58,278 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/data/3be5ca3e9/117fc6c3d72b4a83bbbc01502bacce64/FLAGe51689ce3 [2022-11-03 01:44:59,118 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:44:59,118 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d32_e0.c [2022-11-03 01:44:59,153 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/data/3be5ca3e9/117fc6c3d72b4a83bbbc01502bacce64/FLAGe51689ce3 [2022-11-03 01:44:59,166 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/data/3be5ca3e9/117fc6c3d72b4a83bbbc01502bacce64 [2022-11-03 01:44:59,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:44:59,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:44:59,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:44:59,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:44:59,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:44:59,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:44:59" (1/1) ... [2022-11-03 01:44:59,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641698f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:59, skipping insertion in model container [2022-11-03 01:44:59,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:44:59" (1/1) ... [2022-11-03 01:44:59,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:44:59,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:44:59,511 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_b28ada4d-3566-4e7d-815c-348bb1fa1f90/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d32_e0.c[1116,1129] [2022-11-03 01:44:59,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:44:59,837 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:44:59,865 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_b28ada4d-3566-4e7d-815c-348bb1fa1f90/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d32_e0.c[1116,1129] [2022-11-03 01:45:00,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:45:00,057 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:45:00,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:00 WrapperNode [2022-11-03 01:45:00,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:45:00,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:45:00,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:45:00,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:45:00,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:00" (1/1) ... [2022-11-03 01:45:00,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:00" (1/1) ... [2022-11-03 01:45:00,304 INFO L138 Inliner]: procedures = 11, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1864 [2022-11-03 01:45:00,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:45:00,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:45:00,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:45:00,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:45:00,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:00" (1/1) ... [2022-11-03 01:45:00,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:00" (1/1) ... [2022-11-03 01:45:00,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:00" (1/1) ... [2022-11-03 01:45:00,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:00" (1/1) ... [2022-11-03 01:45:00,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:00" (1/1) ... [2022-11-03 01:45:00,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:00" (1/1) ... [2022-11-03 01:45:00,404 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:00" (1/1) ... [2022-11-03 01:45:00,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:00" (1/1) ... [2022-11-03 01:45:00,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:45:00,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:45:00,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:45:00,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:45:00,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:00" (1/1) ... [2022-11-03 01:45:00,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:45:00,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:45:00,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:45:00,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:45:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:45:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:45:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 01:45:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 01:45:01,062 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:45:01,065 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:45:02,849 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:45:02,867 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:45:02,867 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 01:45:02,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:45:02 BoogieIcfgContainer [2022-11-03 01:45:02,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:45:02,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:45:02,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:45:02,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:45:02,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:44:59" (1/3) ... [2022-11-03 01:45:02,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ad3b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:45:02, skipping insertion in model container [2022-11-03 01:45:02,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:00" (2/3) ... [2022-11-03 01:45:02,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ad3b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:45:02, skipping insertion in model container [2022-11-03 01:45:02,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:45:02" (3/3) ... [2022-11-03 01:45:02,882 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w64_d32_e0.c [2022-11-03 01:45:02,904 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:45:02,904 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:45:02,997 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:45:03,005 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;@5fdc1c3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:45:03,006 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:45:03,012 INFO L276 IsEmpty]: Start isEmpty. Operand has 251 states, 245 states have (on average 1.489795918367347) internal successors, (365), 246 states have internal predecessors, (365), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:03,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:03,026 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:03,027 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:03,028 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:03,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:03,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1491409808, now seen corresponding path program 1 times [2022-11-03 01:45:03,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:03,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201528686] [2022-11-03 01:45:03,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:03,055 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:03,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:03,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:03,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 01:45:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:03,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-03 01:45:03,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:03,974 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 01:45:03,974 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:03,975 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:03,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1201528686] [2022-11-03 01:45:03,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1201528686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:03,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:03,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:45:03,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856658664] [2022-11-03 01:45:03,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:03,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 01:45:03,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:04,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 01:45:04,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 01:45:04,040 INFO L87 Difference]: Start difference. First operand has 251 states, 245 states have (on average 1.489795918367347) internal successors, (365), 246 states have internal predecessors, (365), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 01:45:04,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:04,148 INFO L93 Difference]: Finished difference Result 496 states and 740 transitions. [2022-11-03 01:45:04,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 01:45:04,151 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 95 [2022-11-03 01:45:04,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:04,163 INFO L225 Difference]: With dead ends: 496 [2022-11-03 01:45:04,163 INFO L226 Difference]: Without dead ends: 247 [2022-11-03 01:45:04,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 01:45:04,172 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:04,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 01:45:04,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-11-03 01:45:04,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2022-11-03 01:45:04,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 242 states have (on average 1.4793388429752066) internal successors, (358), 242 states have internal predecessors, (358), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:04,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 364 transitions. [2022-11-03 01:45:04,238 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 364 transitions. Word has length 95 [2022-11-03 01:45:04,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:04,239 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 364 transitions. [2022-11-03 01:45:04,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 01:45:04,240 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 364 transitions. [2022-11-03 01:45:04,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:04,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:04,244 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:04,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:04,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:04,465 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:04,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:04,466 INFO L85 PathProgramCache]: Analyzing trace with hash -654443862, now seen corresponding path program 1 times [2022-11-03 01:45:04,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:04,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [679341336] [2022-11-03 01:45:04,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:04,468 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:04,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:04,471 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:04,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 01:45:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:05,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:05,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:05,583 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:05,584 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:05,586 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:05,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [679341336] [2022-11-03 01:45:05,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [679341336] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:05,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:05,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:05,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414339147] [2022-11-03 01:45:05,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:05,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:05,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:05,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:05,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:05,596 INFO L87 Difference]: Start difference. First operand 247 states and 364 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:06,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:06,246 INFO L93 Difference]: Finished difference Result 984 states and 1457 transitions. [2022-11-03 01:45:06,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:06,248 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:06,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:06,253 INFO L225 Difference]: With dead ends: 984 [2022-11-03 01:45:06,253 INFO L226 Difference]: Without dead ends: 739 [2022-11-03 01:45:06,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:06,257 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 2418 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 1463 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:06,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2418 Valid, 1463 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:45:06,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2022-11-03 01:45:06,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 249. [2022-11-03 01:45:06,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 244 states have (on average 1.4754098360655739) internal successors, (360), 244 states have internal predecessors, (360), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:06,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 366 transitions. [2022-11-03 01:45:06,314 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 366 transitions. Word has length 95 [2022-11-03 01:45:06,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:06,319 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 366 transitions. [2022-11-03 01:45:06,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:06,320 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 366 transitions. [2022-11-03 01:45:06,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:06,327 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:06,328 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:06,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:06,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:06,561 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:06,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:06,562 INFO L85 PathProgramCache]: Analyzing trace with hash 299496296, now seen corresponding path program 1 times [2022-11-03 01:45:06,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:06,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088165313] [2022-11-03 01:45:06,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:06,564 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:06,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:06,568 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:06,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 01:45:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:07,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:07,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:07,580 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:07,580 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:07,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088165313] [2022-11-03 01:45:07,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2088165313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:07,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:07,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:07,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516603651] [2022-11-03 01:45:07,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:07,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:07,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:07,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:07,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:07,589 INFO L87 Difference]: Start difference. First operand 249 states and 366 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:08,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:08,182 INFO L93 Difference]: Finished difference Result 990 states and 1463 transitions. [2022-11-03 01:45:08,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:08,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:08,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:08,186 INFO L225 Difference]: With dead ends: 990 [2022-11-03 01:45:08,186 INFO L226 Difference]: Without dead ends: 743 [2022-11-03 01:45:08,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:08,188 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 2416 mSDsluCounter, 1077 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2416 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:08,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2416 Valid, 1458 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:45:08,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2022-11-03 01:45:08,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 253. [2022-11-03 01:45:08,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 248 states have (on average 1.471774193548387) internal successors, (365), 248 states have internal predecessors, (365), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:08,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 371 transitions. [2022-11-03 01:45:08,226 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 371 transitions. Word has length 95 [2022-11-03 01:45:08,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:08,227 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 371 transitions. [2022-11-03 01:45:08,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:08,227 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 371 transitions. [2022-11-03 01:45:08,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:08,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:08,235 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:08,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:08,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:08,456 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:08,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:08,456 INFO L85 PathProgramCache]: Analyzing trace with hash 245103398, now seen corresponding path program 1 times [2022-11-03 01:45:08,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:08,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [924017766] [2022-11-03 01:45:08,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:08,458 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:08,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:08,460 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:08,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 01:45:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:09,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:09,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:09,349 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:09,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:09,350 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:09,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [924017766] [2022-11-03 01:45:09,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [924017766] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:09,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:09,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:09,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568593912] [2022-11-03 01:45:09,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:09,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:09,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:09,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:09,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:09,353 INFO L87 Difference]: Start difference. First operand 253 states and 371 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:09,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:09,885 INFO L93 Difference]: Finished difference Result 996 states and 1469 transitions. [2022-11-03 01:45:09,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:09,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:09,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:09,889 INFO L225 Difference]: With dead ends: 996 [2022-11-03 01:45:09,889 INFO L226 Difference]: Without dead ends: 745 [2022-11-03 01:45:09,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:09,891 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 2417 mSDsluCounter, 1077 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2417 SdHoareTripleChecker+Valid, 1453 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:09,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2417 Valid, 1453 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:45:09,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2022-11-03 01:45:09,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 255. [2022-11-03 01:45:09,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 250 states have (on average 1.468) internal successors, (367), 250 states have internal predecessors, (367), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:09,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 373 transitions. [2022-11-03 01:45:09,911 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 373 transitions. Word has length 95 [2022-11-03 01:45:09,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:09,912 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 373 transitions. [2022-11-03 01:45:09,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:09,912 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 373 transitions. [2022-11-03 01:45:09,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:09,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:09,914 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:09,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:10,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:10,136 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:10,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:10,137 INFO L85 PathProgramCache]: Analyzing trace with hash 924375652, now seen corresponding path program 1 times [2022-11-03 01:45:10,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:10,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824574207] [2022-11-03 01:45:10,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:10,138 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:10,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:10,140 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:10,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 01:45:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:10,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:10,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:11,038 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:11,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:11,038 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:11,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824574207] [2022-11-03 01:45:11,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1824574207] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:11,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:11,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:11,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200830173] [2022-11-03 01:45:11,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:11,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:11,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:11,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:11,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:11,042 INFO L87 Difference]: Start difference. First operand 255 states and 373 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:11,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:11,623 INFO L93 Difference]: Finished difference Result 1000 states and 1472 transitions. [2022-11-03 01:45:11,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:11,625 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:11,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:11,628 INFO L225 Difference]: With dead ends: 1000 [2022-11-03 01:45:11,628 INFO L226 Difference]: Without dead ends: 747 [2022-11-03 01:45:11,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:11,630 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 2405 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2405 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:11,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2405 Valid, 1458 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:45:11,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2022-11-03 01:45:11,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 257. [2022-11-03 01:45:11,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 252 states have (on average 1.4642857142857142) internal successors, (369), 252 states have internal predecessors, (369), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:11,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 375 transitions. [2022-11-03 01:45:11,653 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 375 transitions. Word has length 95 [2022-11-03 01:45:11,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:11,656 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 375 transitions. [2022-11-03 01:45:11,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:11,657 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 375 transitions. [2022-11-03 01:45:11,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:11,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:11,660 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:11,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:11,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:11,875 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:11,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:11,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1126199586, now seen corresponding path program 1 times [2022-11-03 01:45:11,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:11,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [910664889] [2022-11-03 01:45:11,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:11,876 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:11,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:11,877 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:11,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 01:45:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:12,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:12,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:12,647 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:12,647 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:12,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [910664889] [2022-11-03 01:45:12,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [910664889] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:12,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:12,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:12,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693220324] [2022-11-03 01:45:12,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:12,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:12,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:12,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:12,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:12,650 INFO L87 Difference]: Start difference. First operand 257 states and 375 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:13,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:13,053 INFO L93 Difference]: Finished difference Result 1004 states and 1475 transitions. [2022-11-03 01:45:13,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:13,054 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:13,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:13,058 INFO L225 Difference]: With dead ends: 1004 [2022-11-03 01:45:13,058 INFO L226 Difference]: Without dead ends: 749 [2022-11-03 01:45:13,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:13,060 INFO L413 NwaCegarLoop]: 397 mSDtfsCounter, 2405 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2405 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:13,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2405 Valid, 1520 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:45:13,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2022-11-03 01:45:13,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 259. [2022-11-03 01:45:13,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 254 states have (on average 1.4606299212598426) internal successors, (371), 254 states have internal predecessors, (371), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:13,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 377 transitions. [2022-11-03 01:45:13,080 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 377 transitions. Word has length 95 [2022-11-03 01:45:13,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:13,081 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 377 transitions. [2022-11-03 01:45:13,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:13,082 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 377 transitions. [2022-11-03 01:45:13,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:13,083 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:13,083 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:13,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:13,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:13,295 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:13,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:13,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1559928672, now seen corresponding path program 1 times [2022-11-03 01:45:13,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:13,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [311588841] [2022-11-03 01:45:13,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:13,296 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:13,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:13,297 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:13,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-03 01:45:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:13,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:13,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:14,161 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:14,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:14,161 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:14,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [311588841] [2022-11-03 01:45:14,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [311588841] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:14,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:14,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:14,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824318138] [2022-11-03 01:45:14,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:14,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:14,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:14,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:14,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:14,165 INFO L87 Difference]: Start difference. First operand 259 states and 377 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:14,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:14,755 INFO L93 Difference]: Finished difference Result 1008 states and 1478 transitions. [2022-11-03 01:45:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:14,756 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:14,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:14,759 INFO L225 Difference]: With dead ends: 1008 [2022-11-03 01:45:14,759 INFO L226 Difference]: Without dead ends: 751 [2022-11-03 01:45:14,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:14,761 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 2406 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2406 SdHoareTripleChecker+Valid, 1451 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:14,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2406 Valid, 1451 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:45:14,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2022-11-03 01:45:14,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 261. [2022-11-03 01:45:14,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 256 states have (on average 1.45703125) internal successors, (373), 256 states have internal predecessors, (373), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:14,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 379 transitions. [2022-11-03 01:45:14,781 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 379 transitions. Word has length 95 [2022-11-03 01:45:14,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:14,782 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 379 transitions. [2022-11-03 01:45:14,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:14,782 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 379 transitions. [2022-11-03 01:45:14,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:14,783 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:14,784 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:14,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-11-03 01:45:14,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:14,999 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:14,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:14,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1600603422, now seen corresponding path program 1 times [2022-11-03 01:45:15,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:15,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [747520403] [2022-11-03 01:45:15,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:15,001 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:15,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:15,002 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:15,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-03 01:45:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:15,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:15,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:15,811 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:15,811 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:15,811 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:15,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [747520403] [2022-11-03 01:45:15,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [747520403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:15,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:15,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:15,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20819493] [2022-11-03 01:45:15,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:15,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:15,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:15,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:15,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:15,814 INFO L87 Difference]: Start difference. First operand 261 states and 379 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:16,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:16,390 INFO L93 Difference]: Finished difference Result 1012 states and 1481 transitions. [2022-11-03 01:45:16,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:16,390 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:16,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:16,393 INFO L225 Difference]: With dead ends: 1012 [2022-11-03 01:45:16,393 INFO L226 Difference]: Without dead ends: 753 [2022-11-03 01:45:16,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:16,395 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 2400 mSDsluCounter, 1069 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2400 SdHoareTripleChecker+Valid, 1455 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:16,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2400 Valid, 1455 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:45:16,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2022-11-03 01:45:16,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 263. [2022-11-03 01:45:16,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 258 states have (on average 1.4534883720930232) internal successors, (375), 258 states have internal predecessors, (375), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:16,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 381 transitions. [2022-11-03 01:45:16,411 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 381 transitions. Word has length 95 [2022-11-03 01:45:16,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:16,411 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 381 transitions. [2022-11-03 01:45:16,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:16,412 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 381 transitions. [2022-11-03 01:45:16,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:16,413 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:16,413 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:16,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:16,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:16,632 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:16,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:16,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1818344868, now seen corresponding path program 1 times [2022-11-03 01:45:16,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:16,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648664209] [2022-11-03 01:45:16,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:16,634 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:16,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:16,637 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:16,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-03 01:45:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:17,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:17,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:17,450 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:17,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:17,450 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:17,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [648664209] [2022-11-03 01:45:17,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [648664209] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:17,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:17,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:17,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192529977] [2022-11-03 01:45:17,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:17,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:17,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:17,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:17,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:17,454 INFO L87 Difference]: Start difference. First operand 263 states and 381 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:17,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:17,861 INFO L93 Difference]: Finished difference Result 1016 states and 1484 transitions. [2022-11-03 01:45:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:17,862 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:17,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:17,866 INFO L225 Difference]: With dead ends: 1016 [2022-11-03 01:45:17,866 INFO L226 Difference]: Without dead ends: 755 [2022-11-03 01:45:17,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:17,867 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 2387 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2387 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:17,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2387 Valid, 1530 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:45:17,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2022-11-03 01:45:17,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 265. [2022-11-03 01:45:17,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 260 states have (on average 1.45) internal successors, (377), 260 states have internal predecessors, (377), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:17,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 383 transitions. [2022-11-03 01:45:17,888 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 383 transitions. Word has length 95 [2022-11-03 01:45:17,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:17,889 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 383 transitions. [2022-11-03 01:45:17,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:17,889 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 383 transitions. [2022-11-03 01:45:17,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:17,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:17,891 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:17,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:18,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:18,107 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:18,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:18,107 INFO L85 PathProgramCache]: Analyzing trace with hash -280004838, now seen corresponding path program 1 times [2022-11-03 01:45:18,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:18,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653200484] [2022-11-03 01:45:18,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:18,108 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:18,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:18,110 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:18,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-03 01:45:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:18,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:18,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:18,863 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:18,863 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:18,864 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:18,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [653200484] [2022-11-03 01:45:18,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [653200484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:18,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:18,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:18,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752926263] [2022-11-03 01:45:18,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:18,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:18,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:18,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:18,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:18,866 INFO L87 Difference]: Start difference. First operand 265 states and 383 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:19,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:19,404 INFO L93 Difference]: Finished difference Result 1020 states and 1487 transitions. [2022-11-03 01:45:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:19,405 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:19,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:19,408 INFO L225 Difference]: With dead ends: 1020 [2022-11-03 01:45:19,408 INFO L226 Difference]: Without dead ends: 757 [2022-11-03 01:45:19,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:19,410 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 2370 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2370 SdHoareTripleChecker+Valid, 1478 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:19,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2370 Valid, 1478 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:45:19,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2022-11-03 01:45:19,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 267. [2022-11-03 01:45:19,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 262 states have (on average 1.4465648854961832) internal successors, (379), 262 states have internal predecessors, (379), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:19,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 385 transitions. [2022-11-03 01:45:19,431 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 385 transitions. Word has length 95 [2022-11-03 01:45:19,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:19,431 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 385 transitions. [2022-11-03 01:45:19,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:19,432 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 385 transitions. [2022-11-03 01:45:19,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:19,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:19,434 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:19,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:19,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:19,658 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:19,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:19,658 INFO L85 PathProgramCache]: Analyzing trace with hash -761085096, now seen corresponding path program 1 times [2022-11-03 01:45:19,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:19,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977767996] [2022-11-03 01:45:19,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:19,659 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:19,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:19,660 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:19,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-03 01:45:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:20,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:20,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:20,516 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:20,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:20,517 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:20,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977767996] [2022-11-03 01:45:20,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977767996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:20,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:20,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:20,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103991906] [2022-11-03 01:45:20,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:20,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:20,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:20,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:20,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:20,519 INFO L87 Difference]: Start difference. First operand 267 states and 385 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:21,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:21,031 INFO L93 Difference]: Finished difference Result 1026 states and 1493 transitions. [2022-11-03 01:45:21,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:21,032 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:21,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:21,035 INFO L225 Difference]: With dead ends: 1026 [2022-11-03 01:45:21,035 INFO L226 Difference]: Without dead ends: 761 [2022-11-03 01:45:21,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:21,036 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 2369 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2369 SdHoareTripleChecker+Valid, 1477 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:21,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2369 Valid, 1477 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:45:21,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2022-11-03 01:45:21,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 271. [2022-11-03 01:45:21,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 266 states have (on average 1.443609022556391) internal successors, (384), 266 states have internal predecessors, (384), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:21,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 390 transitions. [2022-11-03 01:45:21,053 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 390 transitions. Word has length 95 [2022-11-03 01:45:21,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:21,054 INFO L495 AbstractCegarLoop]: Abstraction has 271 states and 390 transitions. [2022-11-03 01:45:21,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:21,054 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 390 transitions. [2022-11-03 01:45:21,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:21,055 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:21,056 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:21,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:21,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:21,274 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:21,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:21,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1167187606, now seen corresponding path program 1 times [2022-11-03 01:45:21,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:21,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1218374504] [2022-11-03 01:45:21,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:21,275 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:21,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:21,276 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:21,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-03 01:45:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:21,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:21,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:22,071 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:22,071 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:22,071 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:22,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1218374504] [2022-11-03 01:45:22,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1218374504] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:22,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:22,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:22,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651578901] [2022-11-03 01:45:22,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:22,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:22,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:22,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:22,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:22,073 INFO L87 Difference]: Start difference. First operand 271 states and 390 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:22,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:22,617 INFO L93 Difference]: Finished difference Result 1032 states and 1499 transitions. [2022-11-03 01:45:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:22,618 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:22,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:22,621 INFO L225 Difference]: With dead ends: 1032 [2022-11-03 01:45:22,621 INFO L226 Difference]: Without dead ends: 763 [2022-11-03 01:45:22,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:22,623 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 2362 mSDsluCounter, 1069 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2362 SdHoareTripleChecker+Valid, 1476 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:22,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2362 Valid, 1476 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:45:22,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2022-11-03 01:45:22,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 273. [2022-11-03 01:45:22,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 268 states have (on average 1.4402985074626866) internal successors, (386), 268 states have internal predecessors, (386), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:22,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 392 transitions. [2022-11-03 01:45:22,645 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 392 transitions. Word has length 95 [2022-11-03 01:45:22,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:22,645 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 392 transitions. [2022-11-03 01:45:22,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:22,646 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 392 transitions. [2022-11-03 01:45:22,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:22,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:22,647 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:22,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:22,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:22,861 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:22,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:22,861 INFO L85 PathProgramCache]: Analyzing trace with hash -882200236, now seen corresponding path program 1 times [2022-11-03 01:45:22,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:22,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671602210] [2022-11-03 01:45:22,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:22,862 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:22,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:22,864 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:22,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-03 01:45:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:23,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:23,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:23,693 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:23,694 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:23,694 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:23,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1671602210] [2022-11-03 01:45:23,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1671602210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:23,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:23,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:23,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963283428] [2022-11-03 01:45:23,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:23,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:23,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:23,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:23,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:23,696 INFO L87 Difference]: Start difference. First operand 273 states and 392 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:24,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:24,215 INFO L93 Difference]: Finished difference Result 1036 states and 1502 transitions. [2022-11-03 01:45:24,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:24,216 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:24,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:24,218 INFO L225 Difference]: With dead ends: 1036 [2022-11-03 01:45:24,218 INFO L226 Difference]: Without dead ends: 765 [2022-11-03 01:45:24,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:24,220 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 2355 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 1484 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:24,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2355 Valid, 1484 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:45:24,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2022-11-03 01:45:24,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 275. [2022-11-03 01:45:24,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 270 states have (on average 1.4370370370370371) internal successors, (388), 270 states have internal predecessors, (388), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:24,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 394 transitions. [2022-11-03 01:45:24,239 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 394 transitions. Word has length 95 [2022-11-03 01:45:24,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:24,240 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 394 transitions. [2022-11-03 01:45:24,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:24,240 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 394 transitions. [2022-11-03 01:45:24,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:24,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:24,241 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:24,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-11-03 01:45:24,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:24,460 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:24,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:24,461 INFO L85 PathProgramCache]: Analyzing trace with hash -634053742, now seen corresponding path program 1 times [2022-11-03 01:45:24,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:24,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [707692635] [2022-11-03 01:45:24,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:24,461 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:24,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:24,462 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:24,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-03 01:45:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:24,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:24,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:25,210 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:25,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:25,210 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:25,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [707692635] [2022-11-03 01:45:25,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [707692635] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:25,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:25,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:25,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694140549] [2022-11-03 01:45:25,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:25,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:25,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:25,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:25,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:25,213 INFO L87 Difference]: Start difference. First operand 275 states and 394 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:25,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:25,724 INFO L93 Difference]: Finished difference Result 1040 states and 1505 transitions. [2022-11-03 01:45:25,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:25,725 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:25,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:25,728 INFO L225 Difference]: With dead ends: 1040 [2022-11-03 01:45:25,729 INFO L226 Difference]: Without dead ends: 767 [2022-11-03 01:45:25,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:25,730 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 2347 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2347 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:25,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2347 Valid, 1506 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:45:25,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2022-11-03 01:45:25,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 277. [2022-11-03 01:45:25,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 272 states have (on average 1.4338235294117647) internal successors, (390), 272 states have internal predecessors, (390), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:25,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 396 transitions. [2022-11-03 01:45:25,753 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 396 transitions. Word has length 95 [2022-11-03 01:45:25,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:25,754 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 396 transitions. [2022-11-03 01:45:25,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:25,754 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 396 transitions. [2022-11-03 01:45:25,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:25,755 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:25,756 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:25,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:25,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:25,982 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:25,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:25,983 INFO L85 PathProgramCache]: Analyzing trace with hash -2005861040, now seen corresponding path program 1 times [2022-11-03 01:45:25,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:25,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952040363] [2022-11-03 01:45:25,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:25,984 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:25,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:25,985 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:25,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-03 01:45:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:26,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:26,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:26,740 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:26,740 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:26,740 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:26,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952040363] [2022-11-03 01:45:26,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [952040363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:26,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:26,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:26,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816247089] [2022-11-03 01:45:26,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:26,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:26,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:26,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:26,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:26,744 INFO L87 Difference]: Start difference. First operand 277 states and 396 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:27,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:27,188 INFO L93 Difference]: Finished difference Result 1044 states and 1508 transitions. [2022-11-03 01:45:27,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:27,188 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:27,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:27,191 INFO L225 Difference]: With dead ends: 1044 [2022-11-03 01:45:27,191 INFO L226 Difference]: Without dead ends: 769 [2022-11-03 01:45:27,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:27,193 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 2344 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2344 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:27,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2344 Valid, 1490 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:45:27,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2022-11-03 01:45:27,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 279. [2022-11-03 01:45:27,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 274 states have (on average 1.4306569343065694) internal successors, (392), 274 states have internal predecessors, (392), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:27,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 398 transitions. [2022-11-03 01:45:27,217 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 398 transitions. Word has length 95 [2022-11-03 01:45:27,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:27,218 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 398 transitions. [2022-11-03 01:45:27,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:27,219 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 398 transitions. [2022-11-03 01:45:27,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:27,220 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:27,220 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:27,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:27,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:27,443 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:27,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:27,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1259746958, now seen corresponding path program 1 times [2022-11-03 01:45:27,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:27,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928367598] [2022-11-03 01:45:27,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:27,444 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:27,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:27,445 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:27,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-03 01:45:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:28,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:28,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:28,215 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:28,215 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:28,215 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:28,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928367598] [2022-11-03 01:45:28,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928367598] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:28,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:28,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:28,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046157664] [2022-11-03 01:45:28,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:28,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:28,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:28,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:28,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:28,217 INFO L87 Difference]: Start difference. First operand 279 states and 398 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:28,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:28,557 INFO L93 Difference]: Finished difference Result 1048 states and 1511 transitions. [2022-11-03 01:45:28,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:28,558 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:28,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:28,562 INFO L225 Difference]: With dead ends: 1048 [2022-11-03 01:45:28,562 INFO L226 Difference]: Without dead ends: 771 [2022-11-03 01:45:28,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:28,564 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 2346 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2346 SdHoareTripleChecker+Valid, 1541 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:28,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2346 Valid, 1541 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:45:28,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2022-11-03 01:45:28,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 281. [2022-11-03 01:45:28,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 276 states have (on average 1.4275362318840579) internal successors, (394), 276 states have internal predecessors, (394), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:28,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 400 transitions. [2022-11-03 01:45:28,612 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 400 transitions. Word has length 95 [2022-11-03 01:45:28,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:28,613 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 400 transitions. [2022-11-03 01:45:28,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:28,614 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 400 transitions. [2022-11-03 01:45:28,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:28,615 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:28,615 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:28,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:28,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:28,831 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:28,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:28,831 INFO L85 PathProgramCache]: Analyzing trace with hash 865380172, now seen corresponding path program 1 times [2022-11-03 01:45:28,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:28,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715536557] [2022-11-03 01:45:28,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:28,832 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:28,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:28,833 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:28,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-03 01:45:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:29,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:29,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:29,564 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:29,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:29,565 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:29,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715536557] [2022-11-03 01:45:29,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715536557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:29,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:29,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:29,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190003031] [2022-11-03 01:45:29,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:29,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:29,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:29,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:29,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:29,567 INFO L87 Difference]: Start difference. First operand 281 states and 400 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:29,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:29,971 INFO L93 Difference]: Finished difference Result 1054 states and 1517 transitions. [2022-11-03 01:45:29,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:29,972 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:29,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:29,975 INFO L225 Difference]: With dead ends: 1054 [2022-11-03 01:45:29,976 INFO L226 Difference]: Without dead ends: 775 [2022-11-03 01:45:29,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:29,978 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 2332 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2332 SdHoareTripleChecker+Valid, 1519 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:29,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2332 Valid, 1519 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:45:29,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2022-11-03 01:45:30,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 285. [2022-11-03 01:45:30,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 280 states have (on average 1.425) internal successors, (399), 280 states have internal predecessors, (399), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:30,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 405 transitions. [2022-11-03 01:45:30,002 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 405 transitions. Word has length 95 [2022-11-03 01:45:30,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:30,003 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 405 transitions. [2022-11-03 01:45:30,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:30,004 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 405 transitions. [2022-11-03 01:45:30,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:30,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:30,005 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:30,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:30,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:30,227 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:30,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:30,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1140139786, now seen corresponding path program 1 times [2022-11-03 01:45:30,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:30,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1987971785] [2022-11-03 01:45:30,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:30,228 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:30,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:30,229 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:30,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-03 01:45:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:30,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:30,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:31,042 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:31,042 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:31,042 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:31,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1987971785] [2022-11-03 01:45:31,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1987971785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:31,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:31,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:31,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184505118] [2022-11-03 01:45:31,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:31,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:31,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:31,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:31,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:31,045 INFO L87 Difference]: Start difference. First operand 285 states and 405 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:31,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:31,375 INFO L93 Difference]: Finished difference Result 1060 states and 1523 transitions. [2022-11-03 01:45:31,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:31,376 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:31,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:31,378 INFO L225 Difference]: With dead ends: 1060 [2022-11-03 01:45:31,378 INFO L226 Difference]: Without dead ends: 777 [2022-11-03 01:45:31,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:31,380 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 2322 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 1568 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:31,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2322 Valid, 1568 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:45:31,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2022-11-03 01:45:31,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 287. [2022-11-03 01:45:31,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 282 states have (on average 1.4219858156028369) internal successors, (401), 282 states have internal predecessors, (401), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:31,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 407 transitions. [2022-11-03 01:45:31,402 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 407 transitions. Word has length 95 [2022-11-03 01:45:31,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:31,403 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 407 transitions. [2022-11-03 01:45:31,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:31,403 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 407 transitions. [2022-11-03 01:45:31,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:31,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:31,404 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:31,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:31,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:31,623 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:31,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:31,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1162772040, now seen corresponding path program 1 times [2022-11-03 01:45:31,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:31,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678922664] [2022-11-03 01:45:31,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:31,624 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:31,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:31,625 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:31,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-11-03 01:45:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:32,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:32,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:32,412 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:32,412 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:32,412 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:32,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678922664] [2022-11-03 01:45:32,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678922664] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:32,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:32,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:32,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034833046] [2022-11-03 01:45:32,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:32,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:32,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:32,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:32,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:32,414 INFO L87 Difference]: Start difference. First operand 287 states and 407 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:32,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:32,777 INFO L93 Difference]: Finished difference Result 1064 states and 1526 transitions. [2022-11-03 01:45:32,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:32,778 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:32,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:32,781 INFO L225 Difference]: With dead ends: 1064 [2022-11-03 01:45:32,781 INFO L226 Difference]: Without dead ends: 779 [2022-11-03 01:45:32,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:32,783 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 2322 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 1572 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:32,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2322 Valid, 1572 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:45:32,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2022-11-03 01:45:32,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 289. [2022-11-03 01:45:32,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 284 states have (on average 1.4190140845070423) internal successors, (403), 284 states have internal predecessors, (403), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:32,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 409 transitions. [2022-11-03 01:45:32,810 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 409 transitions. Word has length 95 [2022-11-03 01:45:32,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:32,810 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 409 transitions. [2022-11-03 01:45:32,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:32,811 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 409 transitions. [2022-11-03 01:45:32,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:32,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:32,812 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:32,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:33,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:33,028 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:33,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:33,029 INFO L85 PathProgramCache]: Analyzing trace with hash 653298950, now seen corresponding path program 1 times [2022-11-03 01:45:33,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:33,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379306464] [2022-11-03 01:45:33,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:33,030 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:33,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:33,031 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:33,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-11-03 01:45:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:33,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:33,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:33,771 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:33,772 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:33,772 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:33,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [379306464] [2022-11-03 01:45:33,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [379306464] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:33,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:33,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:33,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124859666] [2022-11-03 01:45:33,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:33,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:33,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:33,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:33,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:33,775 INFO L87 Difference]: Start difference. First operand 289 states and 409 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:34,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:34,183 INFO L93 Difference]: Finished difference Result 1068 states and 1529 transitions. [2022-11-03 01:45:34,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:34,185 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:34,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:34,188 INFO L225 Difference]: With dead ends: 1068 [2022-11-03 01:45:34,188 INFO L226 Difference]: Without dead ends: 781 [2022-11-03 01:45:34,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:34,189 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 2307 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2307 SdHoareTripleChecker+Valid, 1546 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:34,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2307 Valid, 1546 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:45:34,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2022-11-03 01:45:34,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 291. [2022-11-03 01:45:34,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 286 states have (on average 1.416083916083916) internal successors, (405), 286 states have internal predecessors, (405), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:34,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 411 transitions. [2022-11-03 01:45:34,219 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 411 transitions. Word has length 95 [2022-11-03 01:45:34,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:34,219 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 411 transitions. [2022-11-03 01:45:34,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:34,220 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 411 transitions. [2022-11-03 01:45:34,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:34,221 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:34,221 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:34,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:34,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:34,444 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:34,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:34,444 INFO L85 PathProgramCache]: Analyzing trace with hash 715338564, now seen corresponding path program 1 times [2022-11-03 01:45:34,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:34,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1464174614] [2022-11-03 01:45:34,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:34,445 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:34,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:34,446 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:34,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-03 01:45:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:35,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:35,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:35,250 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:35,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:35,250 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:35,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1464174614] [2022-11-03 01:45:35,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1464174614] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:35,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:35,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:35,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611643050] [2022-11-03 01:45:35,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:35,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:35,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:35,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:35,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:35,252 INFO L87 Difference]: Start difference. First operand 291 states and 411 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:35,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:35,592 INFO L93 Difference]: Finished difference Result 1072 states and 1532 transitions. [2022-11-03 01:45:35,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:35,593 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:35,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:35,595 INFO L225 Difference]: With dead ends: 1072 [2022-11-03 01:45:35,595 INFO L226 Difference]: Without dead ends: 783 [2022-11-03 01:45:35,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:35,597 INFO L413 NwaCegarLoop]: 446 mSDtfsCounter, 2319 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2319 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:35,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2319 Valid, 1558 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:45:35,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2022-11-03 01:45:35,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 293. [2022-11-03 01:45:35,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 288 states have (on average 1.4131944444444444) internal successors, (407), 288 states have internal predecessors, (407), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:35,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 413 transitions. [2022-11-03 01:45:35,626 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 413 transitions. Word has length 95 [2022-11-03 01:45:35,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:35,627 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 413 transitions. [2022-11-03 01:45:35,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:35,628 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 413 transitions. [2022-11-03 01:45:35,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:35,628 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:35,629 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:35,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:35,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:35,851 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:35,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:35,851 INFO L85 PathProgramCache]: Analyzing trace with hash 581325058, now seen corresponding path program 1 times [2022-11-03 01:45:35,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:35,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410696593] [2022-11-03 01:45:35,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:35,852 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:35,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:35,853 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:35,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-11-03 01:45:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:36,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:36,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:36,667 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:36,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:36,668 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:36,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410696593] [2022-11-03 01:45:36,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [410696593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:36,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:36,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:36,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154565510] [2022-11-03 01:45:36,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:36,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:36,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:36,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:36,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:36,670 INFO L87 Difference]: Start difference. First operand 293 states and 413 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:37,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:37,145 INFO L93 Difference]: Finished difference Result 1076 states and 1535 transitions. [2022-11-03 01:45:37,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:37,148 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:37,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:37,151 INFO L225 Difference]: With dead ends: 1076 [2022-11-03 01:45:37,152 INFO L226 Difference]: Without dead ends: 785 [2022-11-03 01:45:37,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:37,153 INFO L413 NwaCegarLoop]: 460 mSDtfsCounter, 2291 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2291 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:37,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2291 Valid, 1571 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:45:37,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2022-11-03 01:45:37,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 295. [2022-11-03 01:45:37,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 290 states have (on average 1.410344827586207) internal successors, (409), 290 states have internal predecessors, (409), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:37,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 415 transitions. [2022-11-03 01:45:37,182 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 415 transitions. Word has length 95 [2022-11-03 01:45:37,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:37,182 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 415 transitions. [2022-11-03 01:45:37,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:37,183 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 415 transitions. [2022-11-03 01:45:37,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:37,184 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:37,184 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:37,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (23)] Ended with exit code 0 [2022-11-03 01:45:37,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:37,407 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:37,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:37,408 INFO L85 PathProgramCache]: Analyzing trace with hash 800179776, now seen corresponding path program 1 times [2022-11-03 01:45:37,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:37,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815016868] [2022-11-03 01:45:37,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:37,409 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:37,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:37,410 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:37,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-11-03 01:45:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:37,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:37,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:38,186 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:38,186 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:38,187 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:38,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815016868] [2022-11-03 01:45:38,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815016868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:38,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:38,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:38,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465685447] [2022-11-03 01:45:38,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:38,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:38,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:38,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:38,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:38,190 INFO L87 Difference]: Start difference. First operand 295 states and 415 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:38,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:38,558 INFO L93 Difference]: Finished difference Result 1080 states and 1538 transitions. [2022-11-03 01:45:38,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:38,558 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:38,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:38,561 INFO L225 Difference]: With dead ends: 1080 [2022-11-03 01:45:38,561 INFO L226 Difference]: Without dead ends: 787 [2022-11-03 01:45:38,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:38,563 INFO L413 NwaCegarLoop]: 455 mSDtfsCounter, 2297 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2297 SdHoareTripleChecker+Valid, 1578 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:38,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2297 Valid, 1578 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:45:38,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2022-11-03 01:45:38,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 297. [2022-11-03 01:45:38,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 292 states have (on average 1.4075342465753424) internal successors, (411), 292 states have internal predecessors, (411), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:38,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 417 transitions. [2022-11-03 01:45:38,592 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 417 transitions. Word has length 95 [2022-11-03 01:45:38,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:38,592 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 417 transitions. [2022-11-03 01:45:38,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 417 transitions. [2022-11-03 01:45:38,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:38,594 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:38,594 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:38,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:38,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:38,816 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:38,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:38,817 INFO L85 PathProgramCache]: Analyzing trace with hash -17468674, now seen corresponding path program 1 times [2022-11-03 01:45:38,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:38,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971238750] [2022-11-03 01:45:38,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:38,818 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:38,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:38,819 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:38,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-11-03 01:45:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:39,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:39,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:39,636 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:39,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:39,637 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:39,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971238750] [2022-11-03 01:45:39,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [971238750] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:39,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:39,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:39,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305722845] [2022-11-03 01:45:39,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:39,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:39,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:39,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:39,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:39,640 INFO L87 Difference]: Start difference. First operand 297 states and 417 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:39,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:39,986 INFO L93 Difference]: Finished difference Result 1084 states and 1541 transitions. [2022-11-03 01:45:39,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:39,986 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:39,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:39,988 INFO L225 Difference]: With dead ends: 1084 [2022-11-03 01:45:39,988 INFO L226 Difference]: Without dead ends: 789 [2022-11-03 01:45:39,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:39,989 INFO L413 NwaCegarLoop]: 452 mSDtfsCounter, 2295 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2295 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:39,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2295 Valid, 1561 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:45:39,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2022-11-03 01:45:40,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 299. [2022-11-03 01:45:40,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 294 states have (on average 1.4047619047619047) internal successors, (413), 294 states have internal predecessors, (413), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:40,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 419 transitions. [2022-11-03 01:45:40,018 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 419 transitions. Word has length 95 [2022-11-03 01:45:40,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:40,018 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 419 transitions. [2022-11-03 01:45:40,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:40,019 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 419 transitions. [2022-11-03 01:45:40,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:40,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:40,020 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:40,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:40,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:40,243 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:40,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:40,244 INFO L85 PathProgramCache]: Analyzing trace with hash -2011613380, now seen corresponding path program 1 times [2022-11-03 01:45:40,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:40,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514655122] [2022-11-03 01:45:40,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:40,244 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:40,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:40,245 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:40,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-11-03 01:45:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:40,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:40,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:41,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:41,043 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:41,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1514655122] [2022-11-03 01:45:41,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1514655122] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:41,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:41,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:41,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604181728] [2022-11-03 01:45:41,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:41,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:41,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:41,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:41,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:41,045 INFO L87 Difference]: Start difference. First operand 299 states and 419 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:41,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:41,388 INFO L93 Difference]: Finished difference Result 1090 states and 1547 transitions. [2022-11-03 01:45:41,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:41,389 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:41,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:41,393 INFO L225 Difference]: With dead ends: 1090 [2022-11-03 01:45:41,393 INFO L226 Difference]: Without dead ends: 793 [2022-11-03 01:45:41,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:41,396 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 2287 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 1579 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:41,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2287 Valid, 1579 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:45:41,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2022-11-03 01:45:41,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 303. [2022-11-03 01:45:41,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 298 states have (on average 1.4026845637583893) internal successors, (418), 298 states have internal predecessors, (418), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:41,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 424 transitions. [2022-11-03 01:45:41,436 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 424 transitions. Word has length 95 [2022-11-03 01:45:41,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:41,437 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 424 transitions. [2022-11-03 01:45:41,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:41,439 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 424 transitions. [2022-11-03 01:45:41,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:41,441 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:41,441 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:41,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:41,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:41,651 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:41,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:41,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1272236666, now seen corresponding path program 1 times [2022-11-03 01:45:41,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:41,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1207555910] [2022-11-03 01:45:41,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:41,652 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:41,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:41,653 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:41,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-11-03 01:45:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:42,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:42,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:42,406 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:42,406 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:42,406 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:42,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1207555910] [2022-11-03 01:45:42,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1207555910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:42,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:42,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:42,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152059235] [2022-11-03 01:45:42,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:42,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:42,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:42,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:42,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:42,409 INFO L87 Difference]: Start difference. First operand 303 states and 424 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:42,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:42,750 INFO L93 Difference]: Finished difference Result 1096 states and 1553 transitions. [2022-11-03 01:45:42,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:42,751 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:42,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:42,755 INFO L225 Difference]: With dead ends: 1096 [2022-11-03 01:45:42,755 INFO L226 Difference]: Without dead ends: 795 [2022-11-03 01:45:42,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:42,757 INFO L413 NwaCegarLoop]: 467 mSDtfsCounter, 2284 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2284 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:42,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2284 Valid, 1585 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:45:42,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2022-11-03 01:45:42,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 305. [2022-11-03 01:45:42,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 300 states have (on average 1.4) internal successors, (420), 300 states have internal predecessors, (420), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:42,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 426 transitions. [2022-11-03 01:45:42,777 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 426 transitions. Word has length 95 [2022-11-03 01:45:42,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:42,777 INFO L495 AbstractCegarLoop]: Abstraction has 305 states and 426 transitions. [2022-11-03 01:45:42,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:42,778 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 426 transitions. [2022-11-03 01:45:42,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:42,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:42,779 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:42,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:43,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:43,002 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:43,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:43,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1530402104, now seen corresponding path program 1 times [2022-11-03 01:45:43,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:43,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [646213951] [2022-11-03 01:45:43,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:43,004 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:43,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:43,005 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:43,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-11-03 01:45:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:43,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:43,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:43,842 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:43,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:43,842 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:43,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [646213951] [2022-11-03 01:45:43,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [646213951] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:43,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:43,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:43,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14189122] [2022-11-03 01:45:43,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:43,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:43,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:43,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:43,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:43,844 INFO L87 Difference]: Start difference. First operand 305 states and 426 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:44,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:44,245 INFO L93 Difference]: Finished difference Result 1100 states and 1556 transitions. [2022-11-03 01:45:44,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:44,246 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:44,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:44,248 INFO L225 Difference]: With dead ends: 1100 [2022-11-03 01:45:44,248 INFO L226 Difference]: Without dead ends: 797 [2022-11-03 01:45:44,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:44,249 INFO L413 NwaCegarLoop]: 474 mSDtfsCounter, 2267 mSDsluCounter, 1113 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2267 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:44,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2267 Valid, 1587 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:45:44,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2022-11-03 01:45:44,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 307. [2022-11-03 01:45:44,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 302 states have (on average 1.3973509933774835) internal successors, (422), 302 states have internal predecessors, (422), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:44,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 428 transitions. [2022-11-03 01:45:44,281 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 428 transitions. Word has length 95 [2022-11-03 01:45:44,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:44,282 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 428 transitions. [2022-11-03 01:45:44,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:44,282 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 428 transitions. [2022-11-03 01:45:44,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:44,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:44,283 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:44,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:44,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:44,505 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:44,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:44,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1137375094, now seen corresponding path program 1 times [2022-11-03 01:45:44,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:44,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855835680] [2022-11-03 01:45:44,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:44,507 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:44,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:44,508 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:44,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-11-03 01:45:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:45,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:45:45,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:45,401 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:45,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:45,402 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:45,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855835680] [2022-11-03 01:45:45,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855835680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:45,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:45,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:45,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755394169] [2022-11-03 01:45:45,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:45,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:45,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:45,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:45,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:45,404 INFO L87 Difference]: Start difference. First operand 307 states and 428 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:46,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:46,244 INFO L93 Difference]: Finished difference Result 1104 states and 1559 transitions. [2022-11-03 01:45:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:46,245 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:46,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:46,248 INFO L225 Difference]: With dead ends: 1104 [2022-11-03 01:45:46,248 INFO L226 Difference]: Without dead ends: 799 [2022-11-03 01:45:46,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:46,250 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 2263 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2263 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:46,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2263 Valid, 1400 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:45:46,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2022-11-03 01:45:46,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 309. [2022-11-03 01:45:46,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 304 states have (on average 1.394736842105263) internal successors, (424), 304 states have internal predecessors, (424), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:46,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 430 transitions. [2022-11-03 01:45:46,281 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 430 transitions. Word has length 95 [2022-11-03 01:45:46,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:46,282 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 430 transitions. [2022-11-03 01:45:46,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:46,282 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 430 transitions. [2022-11-03 01:45:46,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:46,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:46,283 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:46,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:46,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:46,505 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:46,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:46,505 INFO L85 PathProgramCache]: Analyzing trace with hash 328028468, now seen corresponding path program 1 times [2022-11-03 01:45:46,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:46,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347054846] [2022-11-03 01:45:46,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:46,506 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:46,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:46,507 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:46,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2022-11-03 01:45:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:47,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-03 01:45:47,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:47,294 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:47,294 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:47,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347054846] [2022-11-03 01:45:47,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347054846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:47,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:47,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:47,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282421793] [2022-11-03 01:45:47,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:47,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:47,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:47,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:47,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:47,296 INFO L87 Difference]: Start difference. First operand 309 states and 430 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:48,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:48,087 INFO L93 Difference]: Finished difference Result 1108 states and 1562 transitions. [2022-11-03 01:45:48,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:48,088 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:48,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:48,091 INFO L225 Difference]: With dead ends: 1108 [2022-11-03 01:45:48,091 INFO L226 Difference]: Without dead ends: 801 [2022-11-03 01:45:48,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:45:48,093 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 2248 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2248 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:48,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2248 Valid, 1428 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:45:48,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2022-11-03 01:45:48,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 311. [2022-11-03 01:45:48,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 306 states have (on average 1.392156862745098) internal successors, (426), 306 states have internal predecessors, (426), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:48,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 432 transitions. [2022-11-03 01:45:48,116 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 432 transitions. Word has length 95 [2022-11-03 01:45:48,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:48,117 INFO L495 AbstractCegarLoop]: Abstraction has 311 states and 432 transitions. [2022-11-03 01:45:48,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:48,117 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 432 transitions. [2022-11-03 01:45:48,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:48,118 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:48,118 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:48,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (30)] Ended with exit code 0 [2022-11-03 01:45:48,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:48,335 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:48,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:48,335 INFO L85 PathProgramCache]: Analyzing trace with hash 385286770, now seen corresponding path program 1 times [2022-11-03 01:45:48,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:48,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076180510] [2022-11-03 01:45:48,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:48,336 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:48,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:48,337 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:48,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-11-03 01:45:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:48,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-03 01:45:48,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:49,373 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:49,374 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:49,374 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:49,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076180510] [2022-11-03 01:45:49,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1076180510] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:49,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:49,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 01:45:49,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553025151] [2022-11-03 01:45:49,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:49,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:45:49,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:49,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:45:49,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:45:49,376 INFO L87 Difference]: Start difference. First operand 311 states and 432 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:50,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:50,091 INFO L93 Difference]: Finished difference Result 893 states and 1217 transitions. [2022-11-03 01:45:50,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 01:45:50,092 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:50,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:50,097 INFO L225 Difference]: With dead ends: 893 [2022-11-03 01:45:50,097 INFO L226 Difference]: Without dead ends: 891 [2022-11-03 01:45:50,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:45:50,099 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 2124 mSDsluCounter, 1176 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2124 SdHoareTripleChecker+Valid, 1604 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:50,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2124 Valid, 1604 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 01:45:50,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2022-11-03 01:45:50,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 447. [2022-11-03 01:45:50,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 442 states have (on average 1.3597285067873304) internal successors, (601), 442 states have internal predecessors, (601), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:45:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 607 transitions. [2022-11-03 01:45:50,135 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 607 transitions. Word has length 95 [2022-11-03 01:45:50,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:50,136 INFO L495 AbstractCegarLoop]: Abstraction has 447 states and 607 transitions. [2022-11-03 01:45:50,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:50,136 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 607 transitions. [2022-11-03 01:45:50,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:45:50,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:50,138 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:50,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (31)] Ended with exit code 0 [2022-11-03 01:45:50,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:50,351 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:50,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:50,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1272509616, now seen corresponding path program 1 times [2022-11-03 01:45:50,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:50,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [110047699] [2022-11-03 01:45:50,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:50,352 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:50,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:50,353 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:50,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2022-11-03 01:45:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:50,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 01:45:50,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:50,965 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 01:45:50,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:50,966 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:50,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [110047699] [2022-11-03 01:45:50,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [110047699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:50,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:50,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:45:50,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459282129] [2022-11-03 01:45:50,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:50,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:45:50,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:50,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:45:50,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:45:50,969 INFO L87 Difference]: Start difference. First operand 447 states and 607 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:51,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:51,115 INFO L93 Difference]: Finished difference Result 1202 states and 1647 transitions. [2022-11-03 01:45:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:45:51,116 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 95 [2022-11-03 01:45:51,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:51,119 INFO L225 Difference]: With dead ends: 1202 [2022-11-03 01:45:51,119 INFO L226 Difference]: Without dead ends: 757 [2022-11-03 01:45:51,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:45:51,120 INFO L413 NwaCegarLoop]: 373 mSDtfsCounter, 695 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:51,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 1103 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:45:51,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2022-11-03 01:45:51,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 455. [2022-11-03 01:45:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 447 states have (on average 1.3557046979865772) internal successors, (606), 447 states have internal predecessors, (606), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:45:51,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 618 transitions. [2022-11-03 01:45:51,172 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 618 transitions. Word has length 95 [2022-11-03 01:45:51,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:51,172 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 618 transitions. [2022-11-03 01:45:51,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 01:45:51,173 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 618 transitions. [2022-11-03 01:45:51,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:45:51,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:51,179 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:51,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:51,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:51,402 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:51,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:51,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1116451161, now seen corresponding path program 1 times [2022-11-03 01:45:51,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:51,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952595393] [2022-11-03 01:45:51,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:51,404 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:51,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:51,406 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:51,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2022-11-03 01:45:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:52,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:45:52,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:53,040 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 01:45:53,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:45:53,518 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 01:45:53,519 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:53,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952595393] [2022-11-03 01:45:53,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [952595393] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:45:53,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [500236547] [2022-11-03 01:45:53,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:53,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:45:53,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:45:53,526 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:45:53,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2022-11-03 01:45:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:55,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:45:55,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:45:55,216 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:55,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [500236547] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:55,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:45:55,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 01:45:55,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48317523] [2022-11-03 01:45:55,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:55,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:45:55,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:55,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:45:55,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:45:55,219 INFO L87 Difference]: Start difference. First operand 455 states and 618 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:45:55,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:55,727 INFO L93 Difference]: Finished difference Result 2047 states and 2764 transitions. [2022-11-03 01:45:55,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:55,727 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:45:55,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:55,734 INFO L225 Difference]: With dead ends: 2047 [2022-11-03 01:45:55,734 INFO L226 Difference]: Without dead ends: 1602 [2022-11-03 01:45:55,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 01:45:55,736 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 1649 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 1420 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:55,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1652 Valid, 1420 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:45:55,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1602 states. [2022-11-03 01:45:55,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1602 to 731. [2022-11-03 01:45:55,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 723 states have (on average 1.330567081604426) internal successors, (962), 723 states have internal predecessors, (962), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:45:55,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 974 transitions. [2022-11-03 01:45:55,838 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 974 transitions. Word has length 346 [2022-11-03 01:45:55,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:55,839 INFO L495 AbstractCegarLoop]: Abstraction has 731 states and 974 transitions. [2022-11-03 01:45:55,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:45:55,839 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 974 transitions. [2022-11-03 01:45:55,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:45:55,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:55,844 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:55,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:56,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2022-11-03 01:45:56,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:45:56,258 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:56,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:56,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1176404393, now seen corresponding path program 1 times [2022-11-03 01:45:56,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:56,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584678664] [2022-11-03 01:45:56,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:56,260 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:56,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:56,261 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:56,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2022-11-03 01:45:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:57,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:45:57,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:58,200 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:45:58,200 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:58,200 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:45:58,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1584678664] [2022-11-03 01:45:58,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1584678664] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:58,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:58,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:45:58,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793275502] [2022-11-03 01:45:58,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:58,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:45:58,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:45:58,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:45:58,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:45:58,205 INFO L87 Difference]: Start difference. First operand 731 states and 974 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:45:58,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:58,997 INFO L93 Difference]: Finished difference Result 3144 states and 4180 transitions. [2022-11-03 01:45:58,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:45:58,998 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:45:58,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:59,005 INFO L225 Difference]: With dead ends: 3144 [2022-11-03 01:45:59,005 INFO L226 Difference]: Without dead ends: 2423 [2022-11-03 01:45:59,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:45:59,008 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 943 mSDsluCounter, 2060 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 2614 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 68 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:59,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [946 Valid, 2614 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 216 Invalid, 0 Unknown, 68 Unchecked, 0.6s Time] [2022-11-03 01:45:59,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2423 states. [2022-11-03 01:45:59,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2423 to 1019. [2022-11-03 01:45:59,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 1011 states have (on average 1.3194856577645895) internal successors, (1334), 1011 states have internal predecessors, (1334), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:45:59,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1346 transitions. [2022-11-03 01:45:59,085 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1346 transitions. Word has length 346 [2022-11-03 01:45:59,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:59,085 INFO L495 AbstractCegarLoop]: Abstraction has 1019 states and 1346 transitions. [2022-11-03 01:45:59,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:45:59,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1346 transitions. [2022-11-03 01:45:59,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:45:59,090 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:59,090 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:59,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2022-11-03 01:45:59,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:45:59,315 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:59,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:59,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1444973017, now seen corresponding path program 1 times [2022-11-03 01:45:59,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:45:59,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829821633] [2022-11-03 01:45:59,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:59,317 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:45:59,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:45:59,318 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:45:59,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2022-11-03 01:46:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:00,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:46:00,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:01,352 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:46:01,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:01,353 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:01,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829821633] [2022-11-03 01:46:01,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [829821633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:01,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:01,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:46:01,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131132360] [2022-11-03 01:46:01,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:01,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:46:01,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:01,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:46:01,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:01,356 INFO L87 Difference]: Start difference. First operand 1019 states and 1346 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:02,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:02,127 INFO L93 Difference]: Finished difference Result 3140 states and 4173 transitions. [2022-11-03 01:46:02,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:46:02,128 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:46:02,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:02,141 INFO L225 Difference]: With dead ends: 3140 [2022-11-03 01:46:02,141 INFO L226 Difference]: Without dead ends: 2419 [2022-11-03 01:46:02,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:46:02,144 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 1040 mSDsluCounter, 1828 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 2265 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 68 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:02,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 2265 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 209 Invalid, 0 Unknown, 68 Unchecked, 0.6s Time] [2022-11-03 01:46:02,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2419 states. [2022-11-03 01:46:02,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2419 to 1023. [2022-11-03 01:46:02,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1023 states, 1015 states have (on average 1.3192118226600986) internal successors, (1339), 1015 states have internal predecessors, (1339), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:46:02,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1351 transitions. [2022-11-03 01:46:02,223 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1351 transitions. Word has length 346 [2022-11-03 01:46:02,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:02,224 INFO L495 AbstractCegarLoop]: Abstraction has 1023 states and 1351 transitions. [2022-11-03 01:46:02,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:02,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1351 transitions. [2022-11-03 01:46:02,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:46:02,228 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:02,229 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:02,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2022-11-03 01:46:02,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:02,455 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:02,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:02,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1797629531, now seen corresponding path program 1 times [2022-11-03 01:46:02,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:02,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [986517512] [2022-11-03 01:46:02,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:02,458 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:02,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:02,460 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:02,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2022-11-03 01:46:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:03,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:46:03,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:04,551 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:46:04,551 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:04,551 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:04,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [986517512] [2022-11-03 01:46:04,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [986517512] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:04,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:04,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:46:04,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143446337] [2022-11-03 01:46:04,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:04,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:46:04,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:04,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:46:04,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:04,555 INFO L87 Difference]: Start difference. First operand 1023 states and 1351 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:05,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:05,332 INFO L93 Difference]: Finished difference Result 3136 states and 4166 transitions. [2022-11-03 01:46:05,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:46:05,333 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:46:05,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:05,339 INFO L225 Difference]: With dead ends: 3136 [2022-11-03 01:46:05,340 INFO L226 Difference]: Without dead ends: 2415 [2022-11-03 01:46:05,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:46:05,344 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 910 mSDsluCounter, 2044 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 2596 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 70 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:05,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 2596 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 70 Unchecked, 0.6s Time] [2022-11-03 01:46:05,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2415 states. [2022-11-03 01:46:05,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2415 to 1027. [2022-11-03 01:46:05,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1019 states have (on average 1.3189401373895977) internal successors, (1344), 1019 states have internal predecessors, (1344), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:46:05,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1356 transitions. [2022-11-03 01:46:05,426 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1356 transitions. Word has length 346 [2022-11-03 01:46:05,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:05,426 INFO L495 AbstractCegarLoop]: Abstraction has 1027 states and 1356 transitions. [2022-11-03 01:46:05,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:05,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1356 transitions. [2022-11-03 01:46:05,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:46:05,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:05,432 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:05,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (37)] Ended with exit code 0 [2022-11-03 01:46:05,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:05,655 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:05,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:05,655 INFO L85 PathProgramCache]: Analyzing trace with hash 681661405, now seen corresponding path program 1 times [2022-11-03 01:46:05,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:05,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [591367698] [2022-11-03 01:46:05,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:05,657 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:05,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:05,658 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:05,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2022-11-03 01:46:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:06,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:46:06,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:07,713 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:46:07,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:07,713 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:07,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [591367698] [2022-11-03 01:46:07,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [591367698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:07,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:07,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:46:07,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772990842] [2022-11-03 01:46:07,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:07,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:46:07,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:07,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:46:07,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:07,717 INFO L87 Difference]: Start difference. First operand 1027 states and 1356 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:08,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:08,418 INFO L93 Difference]: Finished difference Result 3128 states and 4153 transitions. [2022-11-03 01:46:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:46:08,420 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:46:08,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:08,425 INFO L225 Difference]: With dead ends: 3128 [2022-11-03 01:46:08,425 INFO L226 Difference]: Without dead ends: 2407 [2022-11-03 01:46:08,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:46:08,428 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 877 mSDsluCounter, 2032 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 2584 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 104 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:08,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 2584 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 104 Unchecked, 0.6s Time] [2022-11-03 01:46:08,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2407 states. [2022-11-03 01:46:08,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2407 to 1035. [2022-11-03 01:46:08,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1027 states have (on average 1.3193768257059397) internal successors, (1355), 1027 states have internal predecessors, (1355), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:46:08,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1367 transitions. [2022-11-03 01:46:08,505 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1367 transitions. Word has length 346 [2022-11-03 01:46:08,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:08,506 INFO L495 AbstractCegarLoop]: Abstraction has 1035 states and 1367 transitions. [2022-11-03 01:46:08,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:08,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1367 transitions. [2022-11-03 01:46:08,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:46:08,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:08,511 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:08,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (38)] Ended with exit code 0 [2022-11-03 01:46:08,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:08,735 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:08,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:08,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1759796385, now seen corresponding path program 1 times [2022-11-03 01:46:08,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:08,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1822515053] [2022-11-03 01:46:08,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:08,738 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:08,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:08,739 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:08,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2022-11-03 01:46:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:09,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:46:09,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:10,797 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:46:10,797 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:10,797 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:10,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1822515053] [2022-11-03 01:46:10,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1822515053] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:10,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:10,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:46:10,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490428283] [2022-11-03 01:46:10,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:10,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:46:10,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:10,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:46:10,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:10,800 INFO L87 Difference]: Start difference. First operand 1035 states and 1367 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:11,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:11,527 INFO L93 Difference]: Finished difference Result 3157 states and 4194 transitions. [2022-11-03 01:46:11,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:46:11,528 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:46:11,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:11,533 INFO L225 Difference]: With dead ends: 3157 [2022-11-03 01:46:11,533 INFO L226 Difference]: Without dead ends: 2436 [2022-11-03 01:46:11,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:46:11,537 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 900 mSDsluCounter, 2020 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 2613 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 76 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:11,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [903 Valid, 2613 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 228 Invalid, 0 Unknown, 76 Unchecked, 0.6s Time] [2022-11-03 01:46:11,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2022-11-03 01:46:11,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 1039. [2022-11-03 01:46:11,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1031 states have (on average 1.3191076624636275) internal successors, (1360), 1031 states have internal predecessors, (1360), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:46:11,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1372 transitions. [2022-11-03 01:46:11,637 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1372 transitions. Word has length 346 [2022-11-03 01:46:11,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:11,638 INFO L495 AbstractCegarLoop]: Abstraction has 1039 states and 1372 transitions. [2022-11-03 01:46:11,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:11,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1372 transitions. [2022-11-03 01:46:11,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:46:11,643 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:11,644 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:11,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2022-11-03 01:46:11,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:11,858 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:11,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:11,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1184760801, now seen corresponding path program 1 times [2022-11-03 01:46:11,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:11,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [576916055] [2022-11-03 01:46:11,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:11,860 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:11,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:11,862 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:11,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2022-11-03 01:46:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:13,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:46:13,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:14,118 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:46:14,118 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:14,119 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:14,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [576916055] [2022-11-03 01:46:14,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [576916055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:14,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:14,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:46:14,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019270861] [2022-11-03 01:46:14,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:14,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:46:14,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:14,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:46:14,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:14,122 INFO L87 Difference]: Start difference. First operand 1039 states and 1372 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:14,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:14,816 INFO L93 Difference]: Finished difference Result 3157 states and 4193 transitions. [2022-11-03 01:46:14,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:46:14,817 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:46:14,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:14,820 INFO L225 Difference]: With dead ends: 3157 [2022-11-03 01:46:14,820 INFO L226 Difference]: Without dead ends: 2436 [2022-11-03 01:46:14,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:46:14,821 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 890 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 2622 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:14,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 2622 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 229 Invalid, 0 Unknown, 77 Unchecked, 0.6s Time] [2022-11-03 01:46:14,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2022-11-03 01:46:14,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 1043. [2022-11-03 01:46:14,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1043 states, 1035 states have (on average 1.318840579710145) internal successors, (1365), 1035 states have internal predecessors, (1365), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:46:14,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1377 transitions. [2022-11-03 01:46:14,895 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1377 transitions. Word has length 346 [2022-11-03 01:46:14,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:14,896 INFO L495 AbstractCegarLoop]: Abstraction has 1043 states and 1377 transitions. [2022-11-03 01:46:14,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1377 transitions. [2022-11-03 01:46:14,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:46:14,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:14,900 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:14,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (40)] Ended with exit code 0 [2022-11-03 01:46:15,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:15,127 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:15,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:15,127 INFO L85 PathProgramCache]: Analyzing trace with hash -673647261, now seen corresponding path program 1 times [2022-11-03 01:46:15,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:15,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67019524] [2022-11-03 01:46:15,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:15,130 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:15,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:15,131 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:15,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2022-11-03 01:46:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:16,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:46:16,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:17,324 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:46:17,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:17,325 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:17,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67019524] [2022-11-03 01:46:17,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67019524] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:17,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:17,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:46:17,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070789417] [2022-11-03 01:46:17,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:17,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:46:17,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:17,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:46:17,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:17,328 INFO L87 Difference]: Start difference. First operand 1043 states and 1377 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:18,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:18,024 INFO L93 Difference]: Finished difference Result 3157 states and 4192 transitions. [2022-11-03 01:46:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:46:18,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:46:18,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:18,029 INFO L225 Difference]: With dead ends: 3157 [2022-11-03 01:46:18,029 INFO L226 Difference]: Without dead ends: 2436 [2022-11-03 01:46:18,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:46:18,032 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 991 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 2305 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 137 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:18,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [994 Valid, 2305 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 225 Invalid, 0 Unknown, 137 Unchecked, 0.6s Time] [2022-11-03 01:46:18,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2022-11-03 01:46:18,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 1047. [2022-11-03 01:46:18,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 1039 states have (on average 1.318575553416747) internal successors, (1370), 1039 states have internal predecessors, (1370), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:46:18,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1382 transitions. [2022-11-03 01:46:18,104 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1382 transitions. Word has length 346 [2022-11-03 01:46:18,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:18,105 INFO L495 AbstractCegarLoop]: Abstraction has 1047 states and 1382 transitions. [2022-11-03 01:46:18,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:18,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1382 transitions. [2022-11-03 01:46:18,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:46:18,119 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:18,119 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:18,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (41)] Ended with exit code 0 [2022-11-03 01:46:18,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:18,335 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:18,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:18,336 INFO L85 PathProgramCache]: Analyzing trace with hash -675481627, now seen corresponding path program 1 times [2022-11-03 01:46:18,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:18,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816238530] [2022-11-03 01:46:18,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:18,338 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:18,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:18,340 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:18,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2022-11-03 01:46:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:19,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:46:19,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:20,012 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 01:46:20,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:46:20,453 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 01:46:20,454 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:20,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [816238530] [2022-11-03 01:46:20,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [816238530] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:46:20,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [620435958] [2022-11-03 01:46:20,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:20,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:46:20,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:46:20,459 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:46:20,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2022-11-03 01:46:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:21,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:46:21,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:22,152 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:46:22,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:22,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [620435958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:22,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:46:22,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 01:46:22,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430539051] [2022-11-03 01:46:22,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:22,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:46:22,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:22,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:46:22,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:46:22,156 INFO L87 Difference]: Start difference. First operand 1047 states and 1382 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:22,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:22,655 INFO L93 Difference]: Finished difference Result 2701 states and 3612 transitions. [2022-11-03 01:46:22,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:46:22,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:46:22,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:22,659 INFO L225 Difference]: With dead ends: 2701 [2022-11-03 01:46:22,659 INFO L226 Difference]: Without dead ends: 1980 [2022-11-03 01:46:22,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 01:46:22,661 INFO L413 NwaCegarLoop]: 485 mSDtfsCounter, 1614 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1617 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:22,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1617 Valid, 1460 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:46:22,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2022-11-03 01:46:22,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1109. [2022-11-03 01:46:22,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1109 states, 1101 states have (on average 1.3215258855585832) internal successors, (1455), 1101 states have internal predecessors, (1455), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:46:22,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 1467 transitions. [2022-11-03 01:46:22,730 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 1467 transitions. Word has length 346 [2022-11-03 01:46:22,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:22,731 INFO L495 AbstractCegarLoop]: Abstraction has 1109 states and 1467 transitions. [2022-11-03 01:46:22,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:22,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1467 transitions. [2022-11-03 01:46:22,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:46:22,735 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:22,736 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:22,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2022-11-03 01:46:23,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2022-11-03 01:46:23,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:23,157 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:23,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:23,158 INFO L85 PathProgramCache]: Analyzing trace with hash -921289501, now seen corresponding path program 1 times [2022-11-03 01:46:23,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:23,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [591790922] [2022-11-03 01:46:23,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:23,159 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:23,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:23,160 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:23,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2022-11-03 01:46:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:24,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:46:24,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:25,312 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:46:25,312 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:25,313 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:25,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [591790922] [2022-11-03 01:46:25,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [591790922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:25,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:25,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:46:25,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909963130] [2022-11-03 01:46:25,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:25,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:46:25,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:25,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:46:25,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:25,316 INFO L87 Difference]: Start difference. First operand 1109 states and 1467 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:26,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:26,030 INFO L93 Difference]: Finished difference Result 3208 states and 4259 transitions. [2022-11-03 01:46:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:46:26,031 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:46:26,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:26,035 INFO L225 Difference]: With dead ends: 3208 [2022-11-03 01:46:26,035 INFO L226 Difference]: Without dead ends: 2455 [2022-11-03 01:46:26,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:46:26,038 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 921 mSDsluCounter, 1791 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 2230 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 135 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:26,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 2230 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 210 Invalid, 0 Unknown, 135 Unchecked, 0.6s Time] [2022-11-03 01:46:26,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2455 states. [2022-11-03 01:46:26,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2455 to 1115. [2022-11-03 01:46:26,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 1107 states have (on average 1.3206865401987353) internal successors, (1462), 1107 states have internal predecessors, (1462), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:46:26,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1474 transitions. [2022-11-03 01:46:26,111 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1474 transitions. Word has length 346 [2022-11-03 01:46:26,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:26,112 INFO L495 AbstractCegarLoop]: Abstraction has 1115 states and 1474 transitions. [2022-11-03 01:46:26,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:26,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1474 transitions. [2022-11-03 01:46:26,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:46:26,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:26,116 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:26,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (44)] Ended with exit code 0 [2022-11-03 01:46:26,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:26,343 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:26,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:26,344 INFO L85 PathProgramCache]: Analyzing trace with hash -791424923, now seen corresponding path program 1 times [2022-11-03 01:46:26,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:26,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1319223255] [2022-11-03 01:46:26,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:26,346 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:26,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:26,347 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:26,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2022-11-03 01:46:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:27,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:46:27,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:28,713 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:46:28,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:28,714 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:28,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1319223255] [2022-11-03 01:46:28,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1319223255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:28,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:28,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:46:28,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556263126] [2022-11-03 01:46:28,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:28,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:46:28,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:28,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:46:28,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:28,717 INFO L87 Difference]: Start difference. First operand 1115 states and 1474 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:29,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:29,491 INFO L93 Difference]: Finished difference Result 3285 states and 4371 transitions. [2022-11-03 01:46:29,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:46:29,491 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:46:29,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:29,495 INFO L225 Difference]: With dead ends: 3285 [2022-11-03 01:46:29,495 INFO L226 Difference]: Without dead ends: 2532 [2022-11-03 01:46:29,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:46:29,497 INFO L413 NwaCegarLoop]: 615 mSDtfsCounter, 857 mSDsluCounter, 2053 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 2668 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 108 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:29,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 2668 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 236 Invalid, 0 Unknown, 108 Unchecked, 0.6s Time] [2022-11-03 01:46:29,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2022-11-03 01:46:29,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 1119. [2022-11-03 01:46:29,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 1111 states have (on average 1.3204320432043204) internal successors, (1467), 1111 states have internal predecessors, (1467), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:46:29,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1479 transitions. [2022-11-03 01:46:29,567 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1479 transitions. Word has length 346 [2022-11-03 01:46:29,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:29,568 INFO L495 AbstractCegarLoop]: Abstraction has 1119 states and 1479 transitions. [2022-11-03 01:46:29,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:29,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1479 transitions. [2022-11-03 01:46:29,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:46:29,573 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:29,573 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:29,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2022-11-03 01:46:29,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:29,799 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:29,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:29,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1512344345, now seen corresponding path program 1 times [2022-11-03 01:46:29,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:29,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556966888] [2022-11-03 01:46:29,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:29,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:29,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:29,804 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:29,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2022-11-03 01:46:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:31,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:46:31,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:32,195 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:46:32,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:32,195 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:32,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556966888] [2022-11-03 01:46:32,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556966888] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:32,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:32,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:46:32,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608595359] [2022-11-03 01:46:32,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:32,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:46:32,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:32,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:46:32,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:32,198 INFO L87 Difference]: Start difference. First operand 1119 states and 1479 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:32,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:32,898 INFO L93 Difference]: Finished difference Result 3200 states and 4245 transitions. [2022-11-03 01:46:32,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:46:32,899 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:46:32,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:32,903 INFO L225 Difference]: With dead ends: 3200 [2022-11-03 01:46:32,903 INFO L226 Difference]: Without dead ends: 2447 [2022-11-03 01:46:32,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:46:32,905 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 888 mSDsluCounter, 1774 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 891 SdHoareTripleChecker+Valid, 2211 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 67 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:32,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [891 Valid, 2211 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 211 Invalid, 0 Unknown, 67 Unchecked, 0.6s Time] [2022-11-03 01:46:32,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2447 states. [2022-11-03 01:46:32,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2447 to 1123. [2022-11-03 01:46:32,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1115 states have (on average 1.3201793721973094) internal successors, (1472), 1115 states have internal predecessors, (1472), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:46:32,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1484 transitions. [2022-11-03 01:46:32,975 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1484 transitions. Word has length 346 [2022-11-03 01:46:32,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:32,975 INFO L495 AbstractCegarLoop]: Abstraction has 1123 states and 1484 transitions. [2022-11-03 01:46:32,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:32,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1484 transitions. [2022-11-03 01:46:32,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:46:32,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:32,981 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:33,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (46)] Forceful destruction successful, exit code 0 [2022-11-03 01:46:33,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:33,207 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:33,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:33,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1507699305, now seen corresponding path program 1 times [2022-11-03 01:46:33,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:33,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1725386841] [2022-11-03 01:46:33,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:33,210 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:33,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:33,212 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:33,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2022-11-03 01:46:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:34,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:46:34,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:35,638 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:46:35,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:35,639 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:35,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1725386841] [2022-11-03 01:46:35,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1725386841] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:35,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:35,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:46:35,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994634637] [2022-11-03 01:46:35,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:35,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:46:35,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:35,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:46:35,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:35,641 INFO L87 Difference]: Start difference. First operand 1123 states and 1484 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:36,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:36,419 INFO L93 Difference]: Finished difference Result 3285 states and 4369 transitions. [2022-11-03 01:46:36,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:46:36,421 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:46:36,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:36,424 INFO L225 Difference]: With dead ends: 3285 [2022-11-03 01:46:36,424 INFO L226 Difference]: Without dead ends: 2532 [2022-11-03 01:46:36,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:46:36,426 INFO L413 NwaCegarLoop]: 635 mSDtfsCounter, 824 mSDsluCounter, 2083 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 2718 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 122 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:36,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 2718 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 242 Invalid, 0 Unknown, 122 Unchecked, 0.6s Time] [2022-11-03 01:46:36,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2022-11-03 01:46:36,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 1131. [2022-11-03 01:46:36,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 1123 states have (on average 1.3205699020480854) internal successors, (1483), 1123 states have internal predecessors, (1483), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:46:36,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1495 transitions. [2022-11-03 01:46:36,503 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1495 transitions. Word has length 346 [2022-11-03 01:46:36,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:36,504 INFO L495 AbstractCegarLoop]: Abstraction has 1131 states and 1495 transitions. [2022-11-03 01:46:36,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:36,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1495 transitions. [2022-11-03 01:46:36,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:46:36,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:36,508 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:36,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (47)] Forceful destruction successful, exit code 0 [2022-11-03 01:46:36,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:36,731 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:36,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:36,731 INFO L85 PathProgramCache]: Analyzing trace with hash -773422613, now seen corresponding path program 1 times [2022-11-03 01:46:36,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:36,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1922071264] [2022-11-03 01:46:36,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:36,733 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:36,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:36,734 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:36,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2022-11-03 01:46:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:38,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:46:38,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:39,139 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:46:39,139 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:39,140 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:39,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1922071264] [2022-11-03 01:46:39,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1922071264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:39,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:39,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:46:39,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343473325] [2022-11-03 01:46:39,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:39,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:46:39,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:39,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:46:39,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:39,142 INFO L87 Difference]: Start difference. First operand 1131 states and 1495 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:39,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:39,945 INFO L93 Difference]: Finished difference Result 3285 states and 4368 transitions. [2022-11-03 01:46:39,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:46:39,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:46:39,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:39,949 INFO L225 Difference]: With dead ends: 3285 [2022-11-03 01:46:39,949 INFO L226 Difference]: Without dead ends: 2532 [2022-11-03 01:46:39,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:46:39,951 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 814 mSDsluCounter, 2086 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 2725 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 99 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:39,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 2725 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 243 Invalid, 0 Unknown, 99 Unchecked, 0.7s Time] [2022-11-03 01:46:39,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2022-11-03 01:46:40,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 1135. [2022-11-03 01:46:40,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 1127 states have (on average 1.3203194321206744) internal successors, (1488), 1127 states have internal predecessors, (1488), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:46:40,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1500 transitions. [2022-11-03 01:46:40,041 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1500 transitions. Word has length 346 [2022-11-03 01:46:40,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:40,041 INFO L495 AbstractCegarLoop]: Abstraction has 1135 states and 1500 transitions. [2022-11-03 01:46:40,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:40,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1500 transitions. [2022-11-03 01:46:40,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:46:40,046 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:40,047 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:40,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (48)] Forceful destruction successful, exit code 0 [2022-11-03 01:46:40,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:40,263 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:40,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:40,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1736141421, now seen corresponding path program 1 times [2022-11-03 01:46:40,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:40,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854185776] [2022-11-03 01:46:40,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:40,265 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:40,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:40,266 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:40,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2022-11-03 01:46:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:41,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:46:41,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:42,713 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:46:42,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:42,714 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:42,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1854185776] [2022-11-03 01:46:42,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1854185776] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:42,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:42,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:46:42,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445272627] [2022-11-03 01:46:42,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:42,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:46:42,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:42,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:46:42,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:42,716 INFO L87 Difference]: Start difference. First operand 1135 states and 1500 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:43,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:43,410 INFO L93 Difference]: Finished difference Result 3184 states and 4218 transitions. [2022-11-03 01:46:43,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:46:43,411 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:46:43,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:43,414 INFO L225 Difference]: With dead ends: 3184 [2022-11-03 01:46:43,414 INFO L226 Difference]: Without dead ends: 2431 [2022-11-03 01:46:43,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:46:43,417 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 820 mSDsluCounter, 1754 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 2193 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 91 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:43,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 2193 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 211 Invalid, 0 Unknown, 91 Unchecked, 0.6s Time] [2022-11-03 01:46:43,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2431 states. [2022-11-03 01:46:43,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2431 to 1139. [2022-11-03 01:46:43,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1131 states have (on average 1.3200707338638373) internal successors, (1493), 1131 states have internal predecessors, (1493), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:46:43,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1505 transitions. [2022-11-03 01:46:43,473 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1505 transitions. Word has length 346 [2022-11-03 01:46:43,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:43,474 INFO L495 AbstractCegarLoop]: Abstraction has 1139 states and 1505 transitions. [2022-11-03 01:46:43,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:43,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1505 transitions. [2022-11-03 01:46:43,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:46:43,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:43,479 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:43,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (49)] Ended with exit code 0 [2022-11-03 01:46:43,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:43,701 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:43,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:43,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1655905297, now seen corresponding path program 1 times [2022-11-03 01:46:43,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:43,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630392189] [2022-11-03 01:46:43,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:43,703 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:43,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:43,704 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:43,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2022-11-03 01:46:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:44,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:46:45,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:46,249 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:46:46,249 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:46,249 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:46,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630392189] [2022-11-03 01:46:46,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1630392189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:46,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:46,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:46:46,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216151785] [2022-11-03 01:46:46,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:46,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:46:46,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:46,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:46:46,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:46,252 INFO L87 Difference]: Start difference. First operand 1139 states and 1505 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:47,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:47,043 INFO L93 Difference]: Finished difference Result 3285 states and 4366 transitions. [2022-11-03 01:46:47,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:46:47,043 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:46:47,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:47,045 INFO L225 Difference]: With dead ends: 3285 [2022-11-03 01:46:47,045 INFO L226 Difference]: Without dead ends: 2532 [2022-11-03 01:46:47,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:46:47,047 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 793 mSDsluCounter, 2102 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 2751 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 69 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:47,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 2751 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 245 Invalid, 0 Unknown, 69 Unchecked, 0.7s Time] [2022-11-03 01:46:47,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2022-11-03 01:46:47,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 1143. [2022-11-03 01:46:47,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 1135 states have (on average 1.3198237885462556) internal successors, (1498), 1135 states have internal predecessors, (1498), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:46:47,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1510 transitions. [2022-11-03 01:46:47,101 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1510 transitions. Word has length 346 [2022-11-03 01:46:47,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:47,101 INFO L495 AbstractCegarLoop]: Abstraction has 1143 states and 1510 transitions. [2022-11-03 01:46:47,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:47,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1510 transitions. [2022-11-03 01:46:47,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:46:47,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:47,105 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:47,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (50)] Ended with exit code 0 [2022-11-03 01:46:47,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:47,331 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:47,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:47,331 INFO L85 PathProgramCache]: Analyzing trace with hash -498373007, now seen corresponding path program 1 times [2022-11-03 01:46:47,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:47,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300078358] [2022-11-03 01:46:47,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:47,333 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:47,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:47,334 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:47,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (51)] Waiting until timeout for monitored process [2022-11-03 01:46:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:48,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:46:48,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:49,049 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 01:46:49,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:46:49,594 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 01:46:49,594 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:49,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300078358] [2022-11-03 01:46:49,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300078358] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:46:49,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [677898088] [2022-11-03 01:46:49,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:49,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:46:49,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:46:49,596 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:46:49,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2022-11-03 01:46:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:51,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:46:51,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:51,362 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:46:51,362 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:51,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [677898088] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:51,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:46:51,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 01:46:51,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026871841] [2022-11-03 01:46:51,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:51,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:46:51,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:51,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:46:51,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:46:51,365 INFO L87 Difference]: Start difference. First operand 1143 states and 1510 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:51,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:51,891 INFO L93 Difference]: Finished difference Result 2829 states and 3786 transitions. [2022-11-03 01:46:51,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:46:51,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:46:51,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:51,894 INFO L225 Difference]: With dead ends: 2829 [2022-11-03 01:46:51,894 INFO L226 Difference]: Without dead ends: 2076 [2022-11-03 01:46:51,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 01:46:51,896 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 1585 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:51,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1588 Valid, 1493 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:46:51,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2022-11-03 01:46:51,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 1205. [2022-11-03 01:46:51,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 1197 states have (on average 1.3224728487886384) internal successors, (1583), 1197 states have internal predecessors, (1583), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:46:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1595 transitions. [2022-11-03 01:46:51,941 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1595 transitions. Word has length 346 [2022-11-03 01:46:51,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:51,942 INFO L495 AbstractCegarLoop]: Abstraction has 1205 states and 1595 transitions. [2022-11-03 01:46:51,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:51,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1595 transitions. [2022-11-03 01:46:51,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:46:51,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:51,946 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:51,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (51)] Ended with exit code 0 [2022-11-03 01:46:52,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2022-11-03 01:46:52,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:46:52,367 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:52,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:52,368 INFO L85 PathProgramCache]: Analyzing trace with hash 2038967151, now seen corresponding path program 1 times [2022-11-03 01:46:52,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:52,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [462035869] [2022-11-03 01:46:52,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:52,370 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:52,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:52,372 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:52,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (53)] Waiting until timeout for monitored process [2022-11-03 01:46:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:53,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:46:54,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:55,159 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:46:55,159 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:55,160 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:55,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [462035869] [2022-11-03 01:46:55,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [462035869] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:55,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:55,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:46:55,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634948309] [2022-11-03 01:46:55,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:55,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:46:55,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:55,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:46:55,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:55,162 INFO L87 Difference]: Start difference. First operand 1205 states and 1595 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:55,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:55,958 INFO L93 Difference]: Finished difference Result 3413 states and 4546 transitions. [2022-11-03 01:46:55,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:46:55,959 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:46:55,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:55,962 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 01:46:55,962 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 01:46:55,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:46:55,964 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 893 mSDsluCounter, 1898 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 2442 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 135 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:55,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [896 Valid, 2442 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 244 Invalid, 0 Unknown, 135 Unchecked, 0.7s Time] [2022-11-03 01:46:55,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 01:46:56,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1211. [2022-11-03 01:46:56,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1203 states have (on average 1.3216957605985038) internal successors, (1590), 1203 states have internal predecessors, (1590), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:46:56,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1602 transitions. [2022-11-03 01:46:56,037 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1602 transitions. Word has length 346 [2022-11-03 01:46:56,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:56,037 INFO L495 AbstractCegarLoop]: Abstraction has 1211 states and 1602 transitions. [2022-11-03 01:46:56,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:56,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1602 transitions. [2022-11-03 01:46:56,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:46:56,040 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:56,041 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:56,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (53)] Ended with exit code 0 [2022-11-03 01:46:56,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:56,255 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:56,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:56,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1222919921, now seen corresponding path program 1 times [2022-11-03 01:46:56,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:56,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1985708072] [2022-11-03 01:46:56,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:56,258 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:56,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:56,259 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:56,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (54)] Waiting until timeout for monitored process [2022-11-03 01:46:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:57,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:46:57,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:58,755 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:46:58,755 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:58,755 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:46:58,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1985708072] [2022-11-03 01:46:58,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1985708072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:58,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:58,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:46:58,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772526209] [2022-11-03 01:46:58,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:58,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:46:58,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:46:58,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:46:58,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:58,758 INFO L87 Difference]: Start difference. First operand 1211 states and 1602 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:59,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:59,565 INFO L93 Difference]: Finished difference Result 3413 states and 4545 transitions. [2022-11-03 01:46:59,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:46:59,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:46:59,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:59,568 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 01:46:59,568 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 01:46:59,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:46:59,570 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 882 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 2460 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 153 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:59,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 2460 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 247 Invalid, 0 Unknown, 153 Unchecked, 0.7s Time] [2022-11-03 01:46:59,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 01:46:59,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1215. [2022-11-03 01:46:59,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 1207 states have (on average 1.3214581607290803) internal successors, (1595), 1207 states have internal predecessors, (1595), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:46:59,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1607 transitions. [2022-11-03 01:46:59,647 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1607 transitions. Word has length 346 [2022-11-03 01:46:59,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:59,648 INFO L495 AbstractCegarLoop]: Abstraction has 1215 states and 1607 transitions. [2022-11-03 01:46:59,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:46:59,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1607 transitions. [2022-11-03 01:46:59,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:46:59,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:59,652 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:59,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (54)] Ended with exit code 0 [2022-11-03 01:46:59,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:46:59,875 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:59,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:59,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1242461043, now seen corresponding path program 1 times [2022-11-03 01:46:59,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:46:59,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [93792670] [2022-11-03 01:46:59,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:59,878 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:46:59,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:46:59,879 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:46:59,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (55)] Waiting until timeout for monitored process [2022-11-03 01:47:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:01,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:47:01,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:47:02,535 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:47:02,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:47:02,535 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:47:02,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [93792670] [2022-11-03 01:47:02,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [93792670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:02,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:02,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:47:02,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454922289] [2022-11-03 01:47:02,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:02,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:47:02,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:47:02,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:47:02,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:47:02,538 INFO L87 Difference]: Start difference. First operand 1215 states and 1607 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:03,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:03,248 INFO L93 Difference]: Finished difference Result 3413 states and 4544 transitions. [2022-11-03 01:47:03,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:47:03,249 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:47:03,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:03,252 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 01:47:03,252 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 01:47:03,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:47:03,254 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 871 mSDsluCounter, 1915 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 2471 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 86 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:03,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [874 Valid, 2471 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 247 Invalid, 0 Unknown, 86 Unchecked, 0.6s Time] [2022-11-03 01:47:03,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 01:47:03,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1219. [2022-11-03 01:47:03,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 1211 states have (on average 1.3212221304706855) internal successors, (1600), 1211 states have internal predecessors, (1600), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:47:03,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1612 transitions. [2022-11-03 01:47:03,309 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1612 transitions. Word has length 346 [2022-11-03 01:47:03,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:03,310 INFO L495 AbstractCegarLoop]: Abstraction has 1219 states and 1612 transitions. [2022-11-03 01:47:03,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:03,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1612 transitions. [2022-11-03 01:47:03,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:47:03,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:03,313 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:47:03,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (55)] Forceful destruction successful, exit code 0 [2022-11-03 01:47:03,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:47:03,514 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:03,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:03,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1891053813, now seen corresponding path program 1 times [2022-11-03 01:47:03,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:47:03,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500250501] [2022-11-03 01:47:03,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:03,517 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:47:03,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:47:03,518 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:47:03,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (56)] Waiting until timeout for monitored process [2022-11-03 01:47:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:04,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:47:04,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:47:06,070 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:47:06,070 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:47:06,070 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:47:06,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500250501] [2022-11-03 01:47:06,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1500250501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:06,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:06,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:47:06,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619928643] [2022-11-03 01:47:06,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:06,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:47:06,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:47:06,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:47:06,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:47:06,095 INFO L87 Difference]: Start difference. First operand 1219 states and 1612 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:06,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:06,881 INFO L93 Difference]: Finished difference Result 3413 states and 4543 transitions. [2022-11-03 01:47:06,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:47:06,882 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:47:06,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:06,884 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 01:47:06,884 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 01:47:06,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:47:06,887 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 850 mSDsluCounter, 1937 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 2505 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 133 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:06,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [853 Valid, 2505 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 251 Invalid, 0 Unknown, 133 Unchecked, 0.6s Time] [2022-11-03 01:47:06,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 01:47:06,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1227. [2022-11-03 01:47:06,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 1219 states have (on average 1.3215750615258408) internal successors, (1611), 1219 states have internal predecessors, (1611), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:47:06,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1623 transitions. [2022-11-03 01:47:06,969 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1623 transitions. Word has length 346 [2022-11-03 01:47:06,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:06,970 INFO L495 AbstractCegarLoop]: Abstraction has 1227 states and 1623 transitions. [2022-11-03 01:47:06,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:06,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1623 transitions. [2022-11-03 01:47:06,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:47:06,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:06,974 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:47:07,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (56)] Forceful destruction successful, exit code 0 [2022-11-03 01:47:07,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:47:07,199 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:07,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:07,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1905356681, now seen corresponding path program 1 times [2022-11-03 01:47:07,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:47:07,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1743211670] [2022-11-03 01:47:07,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:07,201 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:47:07,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:47:07,202 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:47:07,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (57)] Waiting until timeout for monitored process [2022-11-03 01:47:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:08,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:47:08,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:47:09,806 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:47:09,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:47:09,807 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:47:09,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1743211670] [2022-11-03 01:47:09,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1743211670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:09,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:09,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:47:09,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045962887] [2022-11-03 01:47:09,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:09,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:47:09,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:47:09,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:47:09,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:47:09,809 INFO L87 Difference]: Start difference. First operand 1227 states and 1623 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:10,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:10,511 INFO L93 Difference]: Finished difference Result 3252 states and 4304 transitions. [2022-11-03 01:47:10,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:47:10,511 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:47:10,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:10,514 INFO L225 Difference]: With dead ends: 3252 [2022-11-03 01:47:10,514 INFO L226 Difference]: Without dead ends: 2467 [2022-11-03 01:47:10,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:47:10,516 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 591 mSDsluCounter, 1927 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 2477 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 87 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:10,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 2477 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 87 Unchecked, 0.6s Time] [2022-11-03 01:47:10,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2022-11-03 01:47:10,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 1231. [2022-11-03 01:47:10,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1223 states have (on average 1.321340964840556) internal successors, (1616), 1223 states have internal predecessors, (1616), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:47:10,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1628 transitions. [2022-11-03 01:47:10,565 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1628 transitions. Word has length 346 [2022-11-03 01:47:10,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:10,565 INFO L495 AbstractCegarLoop]: Abstraction has 1231 states and 1628 transitions. [2022-11-03 01:47:10,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:10,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1628 transitions. [2022-11-03 01:47:10,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:47:10,568 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:10,568 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:47:10,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (57)] Ended with exit code 0 [2022-11-03 01:47:10,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:47:10,769 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:10,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:10,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1237974791, now seen corresponding path program 1 times [2022-11-03 01:47:10,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:47:10,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049370943] [2022-11-03 01:47:10,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:10,771 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:47:10,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:47:10,772 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:47:10,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (58)] Waiting until timeout for monitored process [2022-11-03 01:47:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:11,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:47:11,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:47:13,293 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:47:13,293 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:47:13,293 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:47:13,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049370943] [2022-11-03 01:47:13,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1049370943] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:13,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:13,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:47:13,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493893458] [2022-11-03 01:47:13,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:13,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:47:13,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:47:13,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:47:13,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:47:13,296 INFO L87 Difference]: Start difference. First operand 1231 states and 1628 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:14,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:14,137 INFO L93 Difference]: Finished difference Result 3413 states and 4541 transitions. [2022-11-03 01:47:14,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:47:14,138 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:47:14,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:14,139 INFO L225 Difference]: With dead ends: 3413 [2022-11-03 01:47:14,139 INFO L226 Difference]: Without dead ends: 2628 [2022-11-03 01:47:14,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:47:14,143 INFO L413 NwaCegarLoop]: 580 mSDtfsCounter, 828 mSDsluCounter, 1951 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 2531 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 107 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:14,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 2531 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 255 Invalid, 0 Unknown, 107 Unchecked, 0.7s Time] [2022-11-03 01:47:14,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-11-03 01:47:14,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 1235. [2022-11-03 01:47:14,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1235 states, 1227 states have (on average 1.3211083944580277) internal successors, (1621), 1227 states have internal predecessors, (1621), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:47:14,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1633 transitions. [2022-11-03 01:47:14,208 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1633 transitions. Word has length 346 [2022-11-03 01:47:14,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:14,209 INFO L495 AbstractCegarLoop]: Abstraction has 1235 states and 1633 transitions. [2022-11-03 01:47:14,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:14,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1633 transitions. [2022-11-03 01:47:14,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:47:14,211 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:14,211 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:47:14,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (58)] Ended with exit code 0 [2022-11-03 01:47:14,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:47:14,412 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:14,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:14,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1287520891, now seen corresponding path program 1 times [2022-11-03 01:47:14,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:47:14,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [555895600] [2022-11-03 01:47:14,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:14,414 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:47:14,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:47:14,415 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:47:14,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (59)] Waiting until timeout for monitored process [2022-11-03 01:47:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:15,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:47:15,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:47:16,937 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:47:16,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:47:16,937 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:47:16,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [555895600] [2022-11-03 01:47:16,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [555895600] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:16,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:16,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:47:16,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464352256] [2022-11-03 01:47:16,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:16,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:47:16,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:47:16,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:47:16,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:47:16,940 INFO L87 Difference]: Start difference. First operand 1235 states and 1633 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:17,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:17,614 INFO L93 Difference]: Finished difference Result 3244 states and 4290 transitions. [2022-11-03 01:47:17,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:47:17,615 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:47:17,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:17,617 INFO L225 Difference]: With dead ends: 3244 [2022-11-03 01:47:17,617 INFO L226 Difference]: Without dead ends: 2459 [2022-11-03 01:47:17,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:47:17,619 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 556 mSDsluCounter, 1918 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 2470 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 67 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:17,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 2470 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 67 Unchecked, 0.5s Time] [2022-11-03 01:47:17,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2459 states. [2022-11-03 01:47:17,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2459 to 1239. [2022-11-03 01:47:17,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1231 states have (on average 1.3208773354995937) internal successors, (1626), 1231 states have internal predecessors, (1626), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:47:17,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1638 transitions. [2022-11-03 01:47:17,671 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1638 transitions. Word has length 346 [2022-11-03 01:47:17,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:17,671 INFO L495 AbstractCegarLoop]: Abstraction has 1239 states and 1638 transitions. [2022-11-03 01:47:17,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:17,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1638 transitions. [2022-11-03 01:47:17,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:47:17,674 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:17,674 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:47:17,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (59)] Ended with exit code 0 [2022-11-03 01:47:17,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:47:17,875 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:17,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:17,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1560865539, now seen corresponding path program 1 times [2022-11-03 01:47:17,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:47:17,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478882860] [2022-11-03 01:47:17,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:17,877 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:47:17,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:47:17,878 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:47:17,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (60)] Waiting until timeout for monitored process [2022-11-03 01:47:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:19,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:47:19,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:47:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 01:47:19,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:47:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 01:47:20,067 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:47:20,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1478882860] [2022-11-03 01:47:20,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1478882860] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:47:20,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [778085677] [2022-11-03 01:47:20,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:20,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:47:20,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:47:20,068 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:47:20,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2022-11-03 01:47:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:21,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:47:21,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:47:21,976 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:47:21,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:47:21,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [778085677] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:21,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:47:21,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 01:47:21,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465171922] [2022-11-03 01:47:21,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:21,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:47:21,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:47:21,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:47:21,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:47:21,978 INFO L87 Difference]: Start difference. First operand 1239 states and 1638 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:22,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:22,541 INFO L93 Difference]: Finished difference Result 2957 states and 3960 transitions. [2022-11-03 01:47:22,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:47:22,541 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:47:22,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:22,544 INFO L225 Difference]: With dead ends: 2957 [2022-11-03 01:47:22,544 INFO L226 Difference]: Without dead ends: 2172 [2022-11-03 01:47:22,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 01:47:22,546 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 1544 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:22,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1547 Valid, 1540 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:47:22,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2022-11-03 01:47:22,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 1301. [2022-11-03 01:47:22,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1301 states, 1293 states have (on average 1.3232791956689869) internal successors, (1711), 1293 states have internal predecessors, (1711), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:47:22,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1723 transitions. [2022-11-03 01:47:22,617 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 1723 transitions. Word has length 346 [2022-11-03 01:47:22,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:22,618 INFO L495 AbstractCegarLoop]: Abstraction has 1301 states and 1723 transitions. [2022-11-03 01:47:22,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:22,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1723 transitions. [2022-11-03 01:47:22,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:47:22,620 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:22,620 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:47:22,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (60)] Ended with exit code 0 [2022-11-03 01:47:22,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2022-11-03 01:47:23,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:47:23,021 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:23,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:23,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1946727941, now seen corresponding path program 1 times [2022-11-03 01:47:23,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:47:23,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832119234] [2022-11-03 01:47:23,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:23,024 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:47:23,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:47:23,025 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:47:23,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (62)] Waiting until timeout for monitored process [2022-11-03 01:47:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:24,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:47:24,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:47:25,719 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:47:25,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:47:25,720 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:47:25,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832119234] [2022-11-03 01:47:25,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [832119234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:25,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:25,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:47:25,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827520907] [2022-11-03 01:47:25,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:25,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:47:25,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:47:25,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:47:25,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:47:25,722 INFO L87 Difference]: Start difference. First operand 1301 states and 1723 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:26,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:26,405 INFO L93 Difference]: Finished difference Result 3336 states and 4417 transitions. [2022-11-03 01:47:26,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:47:26,406 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:47:26,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:26,408 INFO L225 Difference]: With dead ends: 3336 [2022-11-03 01:47:26,408 INFO L226 Difference]: Without dead ends: 2519 [2022-11-03 01:47:26,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:47:26,409 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 539 mSDsluCounter, 1912 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 71 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:26,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 2464 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 216 Invalid, 0 Unknown, 71 Unchecked, 0.5s Time] [2022-11-03 01:47:26,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2022-11-03 01:47:26,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 1307. [2022-11-03 01:47:26,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1307 states, 1299 states have (on average 1.3225558121632024) internal successors, (1718), 1299 states have internal predecessors, (1718), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:47:26,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1307 states and 1730 transitions. [2022-11-03 01:47:26,463 INFO L78 Accepts]: Start accepts. Automaton has 1307 states and 1730 transitions. Word has length 346 [2022-11-03 01:47:26,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:26,463 INFO L495 AbstractCegarLoop]: Abstraction has 1307 states and 1730 transitions. [2022-11-03 01:47:26,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:26,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1730 transitions. [2022-11-03 01:47:26,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:47:26,466 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:26,466 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:47:26,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (62)] Ended with exit code 0 [2022-11-03 01:47:26,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:47:26,671 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:26,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:26,672 INFO L85 PathProgramCache]: Analyzing trace with hash -15602307, now seen corresponding path program 1 times [2022-11-03 01:47:26,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:47:26,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1012065426] [2022-11-03 01:47:26,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:26,674 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:47:26,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:47:26,675 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:47:26,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (63)] Waiting until timeout for monitored process [2022-11-03 01:47:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:27,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:47:27,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:47:29,317 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:47:29,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:47:29,318 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:47:29,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1012065426] [2022-11-03 01:47:29,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1012065426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:29,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:29,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:47:29,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000924444] [2022-11-03 01:47:29,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:29,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:47:29,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:47:29,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:47:29,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:47:29,319 INFO L87 Difference]: Start difference. First operand 1307 states and 1730 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:30,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:30,149 INFO L93 Difference]: Finished difference Result 3541 states and 4719 transitions. [2022-11-03 01:47:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:47:30,150 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:47:30,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:30,152 INFO L225 Difference]: With dead ends: 3541 [2022-11-03 01:47:30,152 INFO L226 Difference]: Without dead ends: 2724 [2022-11-03 01:47:30,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:47:30,154 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 795 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 2580 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 138 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:30,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [798 Valid, 2580 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 262 Invalid, 0 Unknown, 138 Unchecked, 0.7s Time] [2022-11-03 01:47:30,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2022-11-03 01:47:30,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 1311. [2022-11-03 01:47:30,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 1303 states have (on average 1.3223330775134305) internal successors, (1723), 1303 states have internal predecessors, (1723), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:47:30,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1735 transitions. [2022-11-03 01:47:30,254 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1735 transitions. Word has length 346 [2022-11-03 01:47:30,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:30,255 INFO L495 AbstractCegarLoop]: Abstraction has 1311 states and 1735 transitions. [2022-11-03 01:47:30,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:30,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1735 transitions. [2022-11-03 01:47:30,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:47:30,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:30,260 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:47:30,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (63)] Forceful destruction successful, exit code 0 [2022-11-03 01:47:30,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:47:30,484 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:30,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:30,484 INFO L85 PathProgramCache]: Analyzing trace with hash 410952191, now seen corresponding path program 1 times [2022-11-03 01:47:30,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:47:30,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [855690486] [2022-11-03 01:47:30,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:30,487 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:47:30,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:47:30,488 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:47:30,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (64)] Waiting until timeout for monitored process [2022-11-03 01:47:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:31,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:47:31,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:47:33,235 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:47:33,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:47:33,235 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:47:33,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [855690486] [2022-11-03 01:47:33,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [855690486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:33,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:33,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:47:33,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95652710] [2022-11-03 01:47:33,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:33,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:47:33,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:47:33,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:47:33,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:47:33,237 INFO L87 Difference]: Start difference. First operand 1311 states and 1735 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:34,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:34,130 INFO L93 Difference]: Finished difference Result 3541 states and 4718 transitions. [2022-11-03 01:47:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:47:34,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:47:34,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:34,132 INFO L225 Difference]: With dead ends: 3541 [2022-11-03 01:47:34,133 INFO L226 Difference]: Without dead ends: 2724 [2022-11-03 01:47:34,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:47:34,134 INFO L413 NwaCegarLoop]: 719 mSDtfsCounter, 671 mSDsluCounter, 2210 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 2929 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 118 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:34,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 2929 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 271 Invalid, 0 Unknown, 118 Unchecked, 0.7s Time] [2022-11-03 01:47:34,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2022-11-03 01:47:34,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 1315. [2022-11-03 01:47:34,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1315 states, 1307 states have (on average 1.3221117061973986) internal successors, (1728), 1307 states have internal predecessors, (1728), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:47:34,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1740 transitions. [2022-11-03 01:47:34,184 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1740 transitions. Word has length 346 [2022-11-03 01:47:34,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:34,184 INFO L495 AbstractCegarLoop]: Abstraction has 1315 states and 1740 transitions. [2022-11-03 01:47:34,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:34,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1740 transitions. [2022-11-03 01:47:34,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:47:34,188 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:34,189 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:47:34,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (64)] Forceful destruction successful, exit code 0 [2022-11-03 01:47:34,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:47:34,395 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:34,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:34,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1376917631, now seen corresponding path program 1 times [2022-11-03 01:47:34,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:47:34,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1378289452] [2022-11-03 01:47:34,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:34,397 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:47:34,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:47:34,398 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:47:34,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (65)] Waiting until timeout for monitored process [2022-11-03 01:47:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:35,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:47:35,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:47:37,169 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:47:37,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:47:37,170 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:47:37,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1378289452] [2022-11-03 01:47:37,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1378289452] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:37,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:37,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:47:37,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213069643] [2022-11-03 01:47:37,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:37,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:47:37,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:47:37,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:47:37,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:47:37,173 INFO L87 Difference]: Start difference. First operand 1315 states and 1740 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:37,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:37,877 INFO L93 Difference]: Finished difference Result 3320 states and 4390 transitions. [2022-11-03 01:47:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:47:37,877 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:47:37,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:37,880 INFO L225 Difference]: With dead ends: 3320 [2022-11-03 01:47:37,880 INFO L226 Difference]: Without dead ends: 2503 [2022-11-03 01:47:37,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:47:37,882 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 584 mSDsluCounter, 1670 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 2109 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 76 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:37,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 2109 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 210 Invalid, 0 Unknown, 76 Unchecked, 0.5s Time] [2022-11-03 01:47:37,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2022-11-03 01:47:37,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 1323. [2022-11-03 01:47:37,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1315 states have (on average 1.3224334600760457) internal successors, (1739), 1315 states have internal predecessors, (1739), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:47:37,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1751 transitions. [2022-11-03 01:47:37,925 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1751 transitions. Word has length 346 [2022-11-03 01:47:37,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:37,925 INFO L495 AbstractCegarLoop]: Abstraction has 1323 states and 1751 transitions. [2022-11-03 01:47:37,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:37,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1751 transitions. [2022-11-03 01:47:37,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:47:37,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:37,928 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:47:37,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (65)] Ended with exit code 0 [2022-11-03 01:47:38,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:47:38,129 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:38,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:38,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1921790205, now seen corresponding path program 1 times [2022-11-03 01:47:38,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:47:38,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [143461155] [2022-11-03 01:47:38,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:38,132 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:47:38,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:47:38,133 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:47:38,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (66)] Waiting until timeout for monitored process [2022-11-03 01:47:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:39,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 01:47:39,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:47:40,911 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:47:40,911 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:47:40,911 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:47:40,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [143461155] [2022-11-03 01:47:40,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [143461155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:40,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:40,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:47:40,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525010637] [2022-11-03 01:47:40,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:40,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:47:40,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:47:40,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:47:40,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:47:40,915 INFO L87 Difference]: Start difference. First operand 1323 states and 1751 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:41,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:41,794 INFO L93 Difference]: Finished difference Result 3541 states and 4716 transitions. [2022-11-03 01:47:41,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:47:41,795 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:47:41,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:41,798 INFO L225 Difference]: With dead ends: 3541 [2022-11-03 01:47:41,798 INFO L226 Difference]: Without dead ends: 2724 [2022-11-03 01:47:41,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:47:41,800 INFO L413 NwaCegarLoop]: 733 mSDtfsCounter, 641 mSDsluCounter, 2229 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 2962 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 113 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:41,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 2962 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 273 Invalid, 0 Unknown, 113 Unchecked, 0.7s Time] [2022-11-03 01:47:41,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2022-11-03 01:47:41,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 1327. [2022-11-03 01:47:41,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1327 states, 1319 states have (on average 1.3222137983320696) internal successors, (1744), 1319 states have internal predecessors, (1744), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:47:41,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1756 transitions. [2022-11-03 01:47:41,890 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1756 transitions. Word has length 346 [2022-11-03 01:47:41,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:41,890 INFO L495 AbstractCegarLoop]: Abstraction has 1327 states and 1756 transitions. [2022-11-03 01:47:41,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:41,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1756 transitions. [2022-11-03 01:47:41,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:47:41,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:41,895 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:47:41,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (66)] Forceful destruction successful, exit code 0 [2022-11-03 01:47:42,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:47:42,119 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:42,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:42,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1938671493, now seen corresponding path program 1 times [2022-11-03 01:47:42,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:47:42,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1613171506] [2022-11-03 01:47:42,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:42,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:47:42,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:47:42,123 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:47:42,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (67)] Waiting until timeout for monitored process [2022-11-03 01:47:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:43,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:47:43,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:47:44,366 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:47:44,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:47:44,367 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:47:44,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1613171506] [2022-11-03 01:47:44,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1613171506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:44,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:44,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:47:44,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676677652] [2022-11-03 01:47:44,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:44,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:47:44,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:47:44,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:47:44,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:47:44,373 INFO L87 Difference]: Start difference. First operand 1327 states and 1756 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:45,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:45,053 INFO L93 Difference]: Finished difference Result 3312 states and 4376 transitions. [2022-11-03 01:47:45,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:47:45,054 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:47:45,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:45,057 INFO L225 Difference]: With dead ends: 3312 [2022-11-03 01:47:45,057 INFO L226 Difference]: Without dead ends: 2495 [2022-11-03 01:47:45,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:47:45,059 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 438 mSDsluCounter, 1877 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 2429 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 71 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:45,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 2429 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 71 Unchecked, 0.5s Time] [2022-11-03 01:47:45,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2022-11-03 01:47:45,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 1331. [2022-11-03 01:47:45,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1331 states, 1323 states have (on average 1.3219954648526078) internal successors, (1749), 1323 states have internal predecessors, (1749), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:47:45,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1761 transitions. [2022-11-03 01:47:45,132 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1761 transitions. Word has length 346 [2022-11-03 01:47:45,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:45,133 INFO L495 AbstractCegarLoop]: Abstraction has 1331 states and 1761 transitions. [2022-11-03 01:47:45,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:45,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1761 transitions. [2022-11-03 01:47:45,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:47:45,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:45,138 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:47:45,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (67)] Ended with exit code 0 [2022-11-03 01:47:45,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:47:45,338 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:45,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:45,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1494462201, now seen corresponding path program 1 times [2022-11-03 01:47:45,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:47:45,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1841597758] [2022-11-03 01:47:45,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:45,341 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:47:45,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:47:45,344 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:47:45,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (68)] Waiting until timeout for monitored process [2022-11-03 01:47:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:46,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 01:47:46,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:47:47,637 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:47:47,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:47:47,637 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:47:47,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1841597758] [2022-11-03 01:47:47,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1841597758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:47,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:47,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:47:47,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936830667] [2022-11-03 01:47:47,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:47,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:47:47,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:47:47,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:47:47,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:47:47,639 INFO L87 Difference]: Start difference. First operand 1331 states and 1761 transitions. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:48,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:48,121 INFO L93 Difference]: Finished difference Result 2152 states and 2869 transitions. [2022-11-03 01:47:48,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:47:48,122 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:47:48,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:48,123 INFO L225 Difference]: With dead ends: 2152 [2022-11-03 01:47:48,124 INFO L226 Difference]: Without dead ends: 1335 [2022-11-03 01:47:48,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:47:48,125 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 75 mSDsluCounter, 1306 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1630 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 133 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:48,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1630 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 133 Unchecked, 0.4s Time] [2022-11-03 01:47:48,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2022-11-03 01:47:48,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1335. [2022-11-03 01:47:48,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1335 states, 1327 states have (on average 1.3217784476262247) internal successors, (1754), 1327 states have internal predecessors, (1754), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:47:48,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1766 transitions. [2022-11-03 01:47:48,176 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1766 transitions. Word has length 346 [2022-11-03 01:47:48,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:48,176 INFO L495 AbstractCegarLoop]: Abstraction has 1335 states and 1766 transitions. [2022-11-03 01:47:48,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:48,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1766 transitions. [2022-11-03 01:47:48,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:47:48,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:48,179 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:47:48,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (68)] Forceful destruction successful, exit code 0 [2022-11-03 01:47:48,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:47:48,383 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:48,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:48,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1518332809, now seen corresponding path program 1 times [2022-11-03 01:47:48,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:47:48,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2118542492] [2022-11-03 01:47:48,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:48,386 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:47:48,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:47:48,387 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:47:48,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (69)] Waiting until timeout for monitored process [2022-11-03 01:47:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:49,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:47:49,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:47:50,119 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 01:47:50,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:47:50,690 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 01:47:50,690 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:47:50,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2118542492] [2022-11-03 01:47:50,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2118542492] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:47:50,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1739244403] [2022-11-03 01:47:50,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:50,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:47:50,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:47:50,692 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:47:50,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2022-11-03 01:47:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:52,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:47:52,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:47:52,627 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:47:52,627 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:47:52,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1739244403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:52,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:47:52,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 01:47:52,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975908779] [2022-11-03 01:47:52,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:52,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:47:52,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:47:52,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:47:52,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:47:52,629 INFO L87 Difference]: Start difference. First operand 1335 states and 1766 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:53,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:53,152 INFO L93 Difference]: Finished difference Result 3085 states and 4134 transitions. [2022-11-03 01:47:53,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:47:53,153 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:47:53,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:53,156 INFO L225 Difference]: With dead ends: 3085 [2022-11-03 01:47:53,156 INFO L226 Difference]: Without dead ends: 2268 [2022-11-03 01:47:53,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 01:47:53,158 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 1509 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1512 SdHoareTripleChecker+Valid, 1580 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:53,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1512 Valid, 1580 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:47:53,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2268 states. [2022-11-03 01:47:53,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2268 to 1397. [2022-11-03 01:47:53,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1397 states, 1389 states have (on average 1.323974082073434) internal successors, (1839), 1389 states have internal predecessors, (1839), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:47:53,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 1851 transitions. [2022-11-03 01:47:53,250 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 1851 transitions. Word has length 346 [2022-11-03 01:47:53,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:53,250 INFO L495 AbstractCegarLoop]: Abstraction has 1397 states and 1851 transitions. [2022-11-03 01:47:53,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:53,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1851 transitions. [2022-11-03 01:47:53,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:47:53,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:53,255 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:47:53,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (69)] Ended with exit code 0 [2022-11-03 01:47:53,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2022-11-03 01:47:53,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:47:53,671 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:53,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:53,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1054631801, now seen corresponding path program 1 times [2022-11-03 01:47:53,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:47:53,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1648847719] [2022-11-03 01:47:53,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:53,673 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:47:53,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:47:53,674 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:47:53,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (71)] Waiting until timeout for monitored process [2022-11-03 01:47:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:54,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:47:54,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:47:55,435 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 01:47:55,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:47:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 01:47:56,072 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:47:56,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1648847719] [2022-11-03 01:47:56,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1648847719] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:47:56,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1231423253] [2022-11-03 01:47:56,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:56,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:47:56,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:47:56,074 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:47:56,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2022-11-03 01:47:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:57,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:47:57,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:47:58,072 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:47:58,072 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:47:58,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1231423253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:58,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:47:58,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 01:47:58,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645131310] [2022-11-03 01:47:58,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:58,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:47:58,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:47:58,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:47:58,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:47:58,074 INFO L87 Difference]: Start difference. First operand 1397 states and 1851 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:58,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:58,598 INFO L93 Difference]: Finished difference Result 3131 states and 4200 transitions. [2022-11-03 01:47:58,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:47:58,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:47:58,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:58,600 INFO L225 Difference]: With dead ends: 3131 [2022-11-03 01:47:58,600 INFO L226 Difference]: Without dead ends: 2282 [2022-11-03 01:47:58,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 01:47:58,602 INFO L413 NwaCegarLoop]: 618 mSDtfsCounter, 1498 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 1589 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:58,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1501 Valid, 1589 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:47:58,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2282 states. [2022-11-03 01:47:58,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2282 to 1411. [2022-11-03 01:47:58,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1411 states, 1403 states have (on average 1.3250178189593729) internal successors, (1859), 1403 states have internal predecessors, (1859), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:47:58,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 1871 transitions. [2022-11-03 01:47:58,660 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 1871 transitions. Word has length 346 [2022-11-03 01:47:58,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:58,660 INFO L495 AbstractCegarLoop]: Abstraction has 1411 states and 1871 transitions. [2022-11-03 01:47:58,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:47:58,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1871 transitions. [2022-11-03 01:47:58,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:47:58,663 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:58,663 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:47:58,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2022-11-03 01:47:58,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (71)] Ended with exit code 0 [2022-11-03 01:47:59,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:47:59,064 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:59,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:59,065 INFO L85 PathProgramCache]: Analyzing trace with hash 978762245, now seen corresponding path program 1 times [2022-11-03 01:47:59,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:47:59,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364590746] [2022-11-03 01:47:59,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:59,067 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:47:59,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:47:59,068 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:47:59,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (73)] Waiting until timeout for monitored process [2022-11-03 01:48:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:48:00,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 01:48:00,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:48:02,105 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 79 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 01:48:02,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:48:06,506 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:48:06,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1364590746] [2022-11-03 01:48:06,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1364590746] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:48:06,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1890842627] [2022-11-03 01:48:06,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:48:06,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:48:06,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:48:06,508 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:48:06,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2022-11-03 01:48:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:48:08,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 01:48:08,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:48:08,679 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 01:48:08,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:48:09,221 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 01:48:09,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1890842627] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:48:09,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965838946] [2022-11-03 01:48:09,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:48:09,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:48:09,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:48:09,232 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:48:09,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2022-11-03 01:48:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:48:10,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 01:48:10,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:48:10,770 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 01:48:10,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:48:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 01:48:11,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965838946] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:48:11,318 INFO L184 FreeRefinementEngine]: Found 0 perfect and 5 imperfect interpolant sequences. [2022-11-03 01:48:11,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6, 6, 6] total 14 [2022-11-03 01:48:11,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640269218] [2022-11-03 01:48:11,319 INFO L85 oduleStraightlineAll]: Using 5 imperfect interpolants to construct interpolant automaton [2022-11-03 01:48:11,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 01:48:11,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:48:11,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 01:48:11,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:48:11,321 INFO L87 Difference]: Start difference. First operand 1411 states and 1871 transitions. Second operand has 14 states, 13 states have (on average 48.76923076923077) internal successors, (634), 14 states have internal predecessors, (634), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-03 01:48:15,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:48:15,481 INFO L93 Difference]: Finished difference Result 2763 states and 3760 transitions. [2022-11-03 01:48:15,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-03 01:48:15,482 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 48.76923076923077) internal successors, (634), 14 states have internal predecessors, (634), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) Word has length 346 [2022-11-03 01:48:15,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:48:15,506 INFO L225 Difference]: With dead ends: 2763 [2022-11-03 01:48:15,506 INFO L226 Difference]: Without dead ends: 1900 [2022-11-03 01:48:15,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2073 GetRequests, 2034 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=337, Invalid=1145, Unknown=0, NotChecked=0, Total=1482 [2022-11-03 01:48:15,508 INFO L413 NwaCegarLoop]: 1251 mSDtfsCounter, 1693 mSDsluCounter, 7820 mSDsCounter, 0 mSdLazyCounter, 1876 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1693 SdHoareTripleChecker+Valid, 9071 SdHoareTripleChecker+Invalid, 2110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 229 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:48:15,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1693 Valid, 9071 Invalid, 2110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1876 Invalid, 0 Unknown, 229 Unchecked, 3.3s Time] [2022-11-03 01:48:15,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2022-11-03 01:48:15,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1141. [2022-11-03 01:48:15,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1133 states have (on average 1.3300970873786409) internal successors, (1507), 1133 states have internal predecessors, (1507), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-03 01:48:15,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1519 transitions. [2022-11-03 01:48:15,589 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1519 transitions. Word has length 346 [2022-11-03 01:48:15,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:48:15,589 INFO L495 AbstractCegarLoop]: Abstraction has 1141 states and 1519 transitions. [2022-11-03 01:48:15,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 48.76923076923077) internal successors, (634), 14 states have internal predecessors, (634), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-03 01:48:15,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1519 transitions. [2022-11-03 01:48:15,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:48:15,593 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:48:15,593 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:48:15,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2022-11-03 01:48:15,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (73)] Ended with exit code 0 [2022-11-03 01:48:16,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Ended with exit code 0 [2022-11-03 01:48:16,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,75 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:48:16,195 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:48:16,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:48:16,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1055722625, now seen corresponding path program 1 times [2022-11-03 01:48:16,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:48:16,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1753710231] [2022-11-03 01:48:16,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:48:16,198 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:48:16,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:48:16,199 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:48:16,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (76)] Waiting until timeout for monitored process [2022-11-03 01:48:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:48:17,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-03 01:48:17,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:48:18,565 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 68 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 01:48:18,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:48:18,616 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:48:18,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1753710231] [2022-11-03 01:48:18,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1753710231] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:48:18,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1946874755] [2022-11-03 01:48:18,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:48:18,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:48:18,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:48:18,620 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:48:18,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2022-11-03 01:48:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:48:20,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-03 01:48:20,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:48:22,521 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 01:48:22,521 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:48:23,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1946874755] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:48:23,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091319851] [2022-11-03 01:48:23,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:48:23,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:48:23,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:48:23,233 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:48:23,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2022-11-03 01:48:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:48:24,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-03 01:48:24,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:48:26,068 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 68 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 01:48:26,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:48:27,030 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 68 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 01:48:27,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091319851] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:48:27,031 INFO L184 FreeRefinementEngine]: Found 0 perfect and 4 imperfect interpolant sequences. [2022-11-03 01:48:27,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 8, 8] total 28 [2022-11-03 01:48:27,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710383001] [2022-11-03 01:48:27,031 INFO L85 oduleStraightlineAll]: Using 4 imperfect interpolants to construct interpolant automaton [2022-11-03 01:48:27,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-03 01:48:27,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:48:27,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-03 01:48:27,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1099, Unknown=0, NotChecked=0, Total=1190 [2022-11-03 01:48:27,035 INFO L87 Difference]: Start difference. First operand 1141 states and 1519 transitions. Second operand has 28 states, 28 states have (on average 40.107142857142854) internal successors, (1123), 28 states have internal predecessors, (1123), 8 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2022-11-03 01:48:44,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:48:44,752 INFO L93 Difference]: Finished difference Result 6177 states and 8626 transitions. [2022-11-03 01:48:44,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-11-03 01:48:44,753 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 40.107142857142854) internal successors, (1123), 28 states have internal predecessors, (1123), 8 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) Word has length 346 [2022-11-03 01:48:44,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:48:44,760 INFO L225 Difference]: With dead ends: 6177 [2022-11-03 01:48:44,760 INFO L226 Difference]: Without dead ends: 5732 [2022-11-03 01:48:44,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1614 GetRequests, 1499 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2848 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=2600, Invalid=10972, Unknown=0, NotChecked=0, Total=13572 [2022-11-03 01:48:44,763 INFO L413 NwaCegarLoop]: 2515 mSDtfsCounter, 6356 mSDsluCounter, 38673 mSDsCounter, 0 mSdLazyCounter, 6968 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6356 SdHoareTripleChecker+Valid, 41188 SdHoareTripleChecker+Invalid, 8587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 6968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1348 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:48:44,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6356 Valid, 41188 Invalid, 8587 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [271 Valid, 6968 Invalid, 0 Unknown, 1348 Unchecked, 11.9s Time] [2022-11-03 01:48:44,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5732 states. [2022-11-03 01:48:44,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5732 to 1492. [2022-11-03 01:48:44,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1475 states have (on average 1.343050847457627) internal successors, (1981), 1475 states have internal predecessors, (1981), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:48:44,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 2011 transitions. [2022-11-03 01:48:44,999 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 2011 transitions. Word has length 346 [2022-11-03 01:48:44,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:48:44,999 INFO L495 AbstractCegarLoop]: Abstraction has 1492 states and 2011 transitions. [2022-11-03 01:48:45,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 40.107142857142854) internal successors, (1123), 28 states have internal predecessors, (1123), 8 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2022-11-03 01:48:45,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 2011 transitions. [2022-11-03 01:48:45,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:48:45,003 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:48:45,003 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:48:45,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2022-11-03 01:48:45,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (76)] Ended with exit code 0 [2022-11-03 01:48:45,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Ended with exit code 0 [2022-11-03 01:48:45,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 77 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,76 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,78 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:48:45,604 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:48:45,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:48:45,605 INFO L85 PathProgramCache]: Analyzing trace with hash 277086841, now seen corresponding path program 1 times [2022-11-03 01:48:45,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:48:45,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1634092809] [2022-11-03 01:48:45,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:48:45,606 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:48:45,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:48:45,607 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:48:45,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (79)] Waiting until timeout for monitored process [2022-11-03 01:48:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:48:46,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:48:46,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:48:47,427 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 01:48:47,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:48:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 01:48:47,990 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:48:47,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1634092809] [2022-11-03 01:48:47,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1634092809] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:48:47,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1559840171] [2022-11-03 01:48:47,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:48:47,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:48:47,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:48:47,992 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:48:47,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2022-11-03 01:48:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:48:49,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:48:49,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:48:49,995 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:48:49,995 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:48:49,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1559840171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:48:49,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:48:49,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 14 [2022-11-03 01:48:49,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642243492] [2022-11-03 01:48:49,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:48:49,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:48:49,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:48:49,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:48:49,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:48:49,998 INFO L87 Difference]: Start difference. First operand 1492 states and 2011 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:48:50,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:48:50,589 INFO L93 Difference]: Finished difference Result 2578 states and 3533 transitions. [2022-11-03 01:48:50,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:48:50,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:48:50,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:48:50,592 INFO L225 Difference]: With dead ends: 2578 [2022-11-03 01:48:50,592 INFO L226 Difference]: Without dead ends: 1908 [2022-11-03 01:48:50,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 01:48:50,593 INFO L413 NwaCegarLoop]: 608 mSDtfsCounter, 1203 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:48:50,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1206 Valid, 1558 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:48:50,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-11-03 01:48:50,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1484. [2022-11-03 01:48:50,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3421949556918882) internal successors, (1969), 1467 states have internal predecessors, (1969), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:48:50,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1999 transitions. [2022-11-03 01:48:50,731 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1999 transitions. Word has length 346 [2022-11-03 01:48:50,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:48:50,731 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1999 transitions. [2022-11-03 01:48:50,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:48:50,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1999 transitions. [2022-11-03 01:48:50,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:48:50,736 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:48:50,736 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:48:50,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (79)] Ended with exit code 0 [2022-11-03 01:48:50,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2022-11-03 01:48:51,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,80 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:48:51,147 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:48:51,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:48:51,148 INFO L85 PathProgramCache]: Analyzing trace with hash 243805713, now seen corresponding path program 1 times [2022-11-03 01:48:51,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:48:51,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [14781874] [2022-11-03 01:48:51,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:48:51,149 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:48:51,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:48:51,150 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:48:51,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (81)] Waiting until timeout for monitored process [2022-11-03 01:48:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:48:52,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:48:52,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:48:52,607 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:48:52,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:48:52,873 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:48:52,873 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:48:52,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [14781874] [2022-11-03 01:48:52,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [14781874] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:48:52,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1226970479] [2022-11-03 01:48:52,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:48:52,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:48:52,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:48:52,876 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:48:52,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2022-11-03 01:48:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:48:54,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:48:54,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:48:54,675 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:48:54,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:48:54,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1226970479] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:48:54,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:48:54,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:48:54,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456703676] [2022-11-03 01:48:54,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:48:54,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:48:54,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:48:54,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:48:54,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:48:54,678 INFO L87 Difference]: Start difference. First operand 1484 states and 1999 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:48:55,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:48:55,319 INFO L93 Difference]: Finished difference Result 2780 states and 3770 transitions. [2022-11-03 01:48:55,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:48:55,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:48:55,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:48:55,322 INFO L225 Difference]: With dead ends: 2780 [2022-11-03 01:48:55,322 INFO L226 Difference]: Without dead ends: 1862 [2022-11-03 01:48:55,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:48:55,323 INFO L413 NwaCegarLoop]: 915 mSDtfsCounter, 965 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 968 SdHoareTripleChecker+Valid, 1861 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:48:55,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [968 Valid, 1861 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:48:55,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2022-11-03 01:48:55,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1484. [2022-11-03 01:48:55,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3408316291751874) internal successors, (1967), 1467 states have internal predecessors, (1967), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:48:55,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1997 transitions. [2022-11-03 01:48:55,516 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1997 transitions. Word has length 346 [2022-11-03 01:48:55,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:48:55,516 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1997 transitions. [2022-11-03 01:48:55,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:48:55,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1997 transitions. [2022-11-03 01:48:55,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:48:55,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:48:55,521 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:48:55,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (81)] Forceful destruction successful, exit code 0 [2022-11-03 01:48:55,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2022-11-03 01:48:55,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,82 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:48:55,922 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:48:55,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:48:55,923 INFO L85 PathProgramCache]: Analyzing trace with hash 16584723, now seen corresponding path program 1 times [2022-11-03 01:48:55,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:48:55,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [276008243] [2022-11-03 01:48:55,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:48:55,924 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:48:55,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:48:55,925 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:48:55,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (83)] Waiting until timeout for monitored process [2022-11-03 01:48:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:48:57,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:48:57,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:48:57,415 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:48:57,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:48:57,646 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:48:57,646 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:48:57,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [276008243] [2022-11-03 01:48:57,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [276008243] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:48:57,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1364462568] [2022-11-03 01:48:57,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:48:57,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:48:57,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:48:57,648 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:48:57,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2022-11-03 01:48:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:48:59,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:48:59,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:48:59,464 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:48:59,465 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:48:59,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1364462568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:48:59,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:48:59,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:48:59,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237593017] [2022-11-03 01:48:59,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:48:59,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:48:59,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:48:59,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:48:59,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:48:59,467 INFO L87 Difference]: Start difference. First operand 1484 states and 1997 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:00,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:00,148 INFO L93 Difference]: Finished difference Result 2763 states and 3745 transitions. [2022-11-03 01:49:00,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:49:00,148 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:49:00,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:00,151 INFO L225 Difference]: With dead ends: 2763 [2022-11-03 01:49:00,151 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:49:00,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:49:00,154 INFO L413 NwaCegarLoop]: 914 mSDtfsCounter, 955 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 958 SdHoareTripleChecker+Valid, 1860 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:00,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [958 Valid, 1860 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:49:00,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:49:00,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:49:00,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.338104976141786) internal successors, (1963), 1467 states have internal predecessors, (1963), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:49:00,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1993 transitions. [2022-11-03 01:49:00,299 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1993 transitions. Word has length 346 [2022-11-03 01:49:00,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:00,300 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1993 transitions. [2022-11-03 01:49:00,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:00,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1993 transitions. [2022-11-03 01:49:00,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:49:00,302 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:00,303 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:00,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (83)] Ended with exit code 0 [2022-11-03 01:49:00,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2022-11-03 01:49:00,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 83 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,84 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:49:00,704 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:00,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:00,704 INFO L85 PathProgramCache]: Analyzing trace with hash -382921707, now seen corresponding path program 1 times [2022-11-03 01:49:00,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:49:00,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2010867969] [2022-11-03 01:49:00,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:00,706 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:49:00,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:49:00,707 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:49:00,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (85)] Waiting until timeout for monitored process [2022-11-03 01:49:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:02,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:49:02,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:49:02,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:49:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:49:02,403 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:49:02,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2010867969] [2022-11-03 01:49:02,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2010867969] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:49:02,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1965761773] [2022-11-03 01:49:02,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:02,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:49:02,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:49:02,407 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:49:02,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2022-11-03 01:49:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:04,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:49:04,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:04,263 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:49:04,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:49:04,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1965761773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:04,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:49:04,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:49:04,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511958043] [2022-11-03 01:49:04,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:04,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:49:04,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:49:04,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:49:04,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:49:04,265 INFO L87 Difference]: Start difference. First operand 1484 states and 1993 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:04,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:04,897 INFO L93 Difference]: Finished difference Result 2755 states and 3728 transitions. [2022-11-03 01:49:04,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:49:04,898 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:49:04,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:04,900 INFO L225 Difference]: With dead ends: 2755 [2022-11-03 01:49:04,901 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:49:04,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:49:04,927 INFO L413 NwaCegarLoop]: 912 mSDtfsCounter, 949 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:04,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [952 Valid, 1857 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:49:04,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:49:05,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:49:05,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3353783231083844) internal successors, (1959), 1467 states have internal predecessors, (1959), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:49:05,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1989 transitions. [2022-11-03 01:49:05,064 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1989 transitions. Word has length 346 [2022-11-03 01:49:05,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:05,065 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1989 transitions. [2022-11-03 01:49:05,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:05,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1989 transitions. [2022-11-03 01:49:05,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:49:05,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:05,069 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:05,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2022-11-03 01:49:05,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (85)] Ended with exit code 0 [2022-11-03 01:49:05,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 86 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,85 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:49:05,471 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:05,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:05,472 INFO L85 PathProgramCache]: Analyzing trace with hash 913533207, now seen corresponding path program 1 times [2022-11-03 01:49:05,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:49:05,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750261927] [2022-11-03 01:49:05,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:05,474 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:49:05,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:49:05,476 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:49:05,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (87)] Waiting until timeout for monitored process [2022-11-03 01:49:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:06,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:49:06,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:06,995 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:49:06,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:49:07,220 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:49:07,221 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:49:07,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750261927] [2022-11-03 01:49:07,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750261927] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:49:07,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [888241044] [2022-11-03 01:49:07,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:07,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:49:07,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:49:07,222 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:49:07,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2022-11-03 01:49:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:08,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:49:08,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:09,109 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:49:09,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:49:09,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [888241044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:09,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:49:09,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:49:09,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503444233] [2022-11-03 01:49:09,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:09,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:49:09,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:49:09,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:49:09,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:49:09,113 INFO L87 Difference]: Start difference. First operand 1484 states and 1989 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:09,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:09,801 INFO L93 Difference]: Finished difference Result 2747 states and 3711 transitions. [2022-11-03 01:49:09,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:49:09,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:49:09,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:09,803 INFO L225 Difference]: With dead ends: 2747 [2022-11-03 01:49:09,804 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:49:09,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:49:09,805 INFO L413 NwaCegarLoop]: 910 mSDtfsCounter, 943 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:09,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [946 Valid, 1854 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:49:09,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:49:09,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:49:09,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3326516700749829) internal successors, (1955), 1467 states have internal predecessors, (1955), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:49:09,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1985 transitions. [2022-11-03 01:49:09,962 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1985 transitions. Word has length 346 [2022-11-03 01:49:09,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:09,962 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1985 transitions. [2022-11-03 01:49:09,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:09,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1985 transitions. [2022-11-03 01:49:09,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:49:09,966 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:09,966 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:09,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2022-11-03 01:49:10,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (87)] Ended with exit code 0 [2022-11-03 01:49:10,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,87 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:49:10,367 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:10,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:10,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1252036377, now seen corresponding path program 1 times [2022-11-03 01:49:10,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:49:10,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [208010859] [2022-11-03 01:49:10,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:10,370 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:49:10,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:49:10,371 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:49:10,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (89)] Waiting until timeout for monitored process [2022-11-03 01:49:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:11,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:49:11,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:11,875 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:49:11,875 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:49:12,117 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:49:12,118 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:49:12,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [208010859] [2022-11-03 01:49:12,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [208010859] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:49:12,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2086076519] [2022-11-03 01:49:12,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:12,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:49:12,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:49:12,119 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:49:12,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2022-11-03 01:49:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:13,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:49:13,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:13,965 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:49:13,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:49:13,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2086076519] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:13,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:49:13,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:49:13,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055924240] [2022-11-03 01:49:13,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:13,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:49:13,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:49:13,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:49:13,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:49:13,967 INFO L87 Difference]: Start difference. First operand 1484 states and 1985 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:14,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:14,619 INFO L93 Difference]: Finished difference Result 2739 states and 3691 transitions. [2022-11-03 01:49:14,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:49:14,620 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:49:14,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:14,622 INFO L225 Difference]: With dead ends: 2739 [2022-11-03 01:49:14,622 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:49:14,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:49:14,623 INFO L413 NwaCegarLoop]: 909 mSDtfsCounter, 937 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:14,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [940 Valid, 1854 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:49:14,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:49:14,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:49:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3299250170415815) internal successors, (1951), 1467 states have internal predecessors, (1951), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:49:14,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1981 transitions. [2022-11-03 01:49:14,755 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1981 transitions. Word has length 346 [2022-11-03 01:49:14,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:14,755 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1981 transitions. [2022-11-03 01:49:14,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:14,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1981 transitions. [2022-11-03 01:49:14,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:49:14,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:14,758 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:14,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (89)] Ended with exit code 0 [2022-11-03 01:49:14,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2022-11-03 01:49:15,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 89 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,90 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:49:15,159 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:15,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:15,159 INFO L85 PathProgramCache]: Analyzing trace with hash 63243803, now seen corresponding path program 1 times [2022-11-03 01:49:15,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:49:15,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [131916622] [2022-11-03 01:49:15,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:15,161 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:49:15,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:49:15,162 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:49:15,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (91)] Waiting until timeout for monitored process [2022-11-03 01:49:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:16,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:49:16,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:16,611 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:49:16,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:49:16,820 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:49:16,820 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:49:16,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [131916622] [2022-11-03 01:49:16,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [131916622] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:49:16,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [746776412] [2022-11-03 01:49:16,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:16,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:49:16,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:49:16,823 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:49:16,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2022-11-03 01:49:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:18,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:49:18,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:18,666 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:49:18,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:49:18,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [746776412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:18,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:49:18,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:49:18,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475214025] [2022-11-03 01:49:18,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:18,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:49:18,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:49:18,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:49:18,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:49:18,668 INFO L87 Difference]: Start difference. First operand 1484 states and 1981 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:19,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:19,295 INFO L93 Difference]: Finished difference Result 2731 states and 3674 transitions. [2022-11-03 01:49:19,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:49:19,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:49:19,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:19,297 INFO L225 Difference]: With dead ends: 2731 [2022-11-03 01:49:19,298 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:49:19,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:49:19,299 INFO L413 NwaCegarLoop]: 906 mSDtfsCounter, 931 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:19,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 1848 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:49:19,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:49:19,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:49:19,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.32719836400818) internal successors, (1947), 1467 states have internal predecessors, (1947), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:49:19,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1977 transitions. [2022-11-03 01:49:19,459 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1977 transitions. Word has length 346 [2022-11-03 01:49:19,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:19,459 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1977 transitions. [2022-11-03 01:49:19,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:19,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1977 transitions. [2022-11-03 01:49:19,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:49:19,462 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:19,462 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:19,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2022-11-03 01:49:19,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (91)] Forceful destruction successful, exit code 0 [2022-11-03 01:49:19,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 92 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,91 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:49:19,866 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:19,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:19,866 INFO L85 PathProgramCache]: Analyzing trace with hash -600748515, now seen corresponding path program 1 times [2022-11-03 01:49:19,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:49:19,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923682600] [2022-11-03 01:49:19,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:19,868 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:49:19,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:49:19,869 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:49:19,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (93)] Waiting until timeout for monitored process [2022-11-03 01:49:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:21,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:49:21,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:49:21,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:49:21,512 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:49:21,512 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:49:21,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923682600] [2022-11-03 01:49:21,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923682600] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:49:21,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1351350415] [2022-11-03 01:49:21,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:21,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:49:21,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:49:21,515 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:49:21,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2022-11-03 01:49:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:23,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:49:23,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:23,393 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:49:23,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:49:23,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1351350415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:23,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:49:23,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:49:23,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495476629] [2022-11-03 01:49:23,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:23,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:49:23,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:49:23,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:49:23,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:49:23,395 INFO L87 Difference]: Start difference. First operand 1484 states and 1977 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:24,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:24,094 INFO L93 Difference]: Finished difference Result 2723 states and 3657 transitions. [2022-11-03 01:49:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:49:24,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:49:24,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:24,097 INFO L225 Difference]: With dead ends: 2723 [2022-11-03 01:49:24,097 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:49:24,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:49:24,099 INFO L413 NwaCegarLoop]: 905 mSDtfsCounter, 925 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:24,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 1848 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:49:24,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:49:24,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:49:24,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3244717109747786) internal successors, (1943), 1467 states have internal predecessors, (1943), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:49:24,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1973 transitions. [2022-11-03 01:49:24,326 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1973 transitions. Word has length 346 [2022-11-03 01:49:24,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:24,326 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1973 transitions. [2022-11-03 01:49:24,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1973 transitions. [2022-11-03 01:49:24,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:49:24,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:24,331 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:24,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2022-11-03 01:49:24,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (93)] Ended with exit code 0 [2022-11-03 01:49:24,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 94 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,93 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:49:24,747 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:24,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:24,747 INFO L85 PathProgramCache]: Analyzing trace with hash 175499039, now seen corresponding path program 1 times [2022-11-03 01:49:24,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:49:24,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1999492693] [2022-11-03 01:49:24,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:24,749 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:49:24,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:49:24,750 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:49:24,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (95)] Waiting until timeout for monitored process [2022-11-03 01:49:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:26,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:49:26,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:26,230 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:49:26,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:49:26,432 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:49:26,432 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:49:26,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1999492693] [2022-11-03 01:49:26,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1999492693] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:49:26,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [189577823] [2022-11-03 01:49:26,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:26,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:49:26,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:49:26,434 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:49:26,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2022-11-03 01:49:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:28,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:49:28,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:28,278 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:49:28,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:49:28,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [189577823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:28,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:49:28,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:49:28,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721483404] [2022-11-03 01:49:28,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:28,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:49:28,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:49:28,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:49:28,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:49:28,281 INFO L87 Difference]: Start difference. First operand 1484 states and 1973 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:28,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:28,906 INFO L93 Difference]: Finished difference Result 2715 states and 3640 transitions. [2022-11-03 01:49:28,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:49:28,907 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:49:28,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:28,909 INFO L225 Difference]: With dead ends: 2715 [2022-11-03 01:49:28,909 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:49:28,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:49:28,911 INFO L413 NwaCegarLoop]: 902 mSDtfsCounter, 919 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 1842 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:28,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 1842 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:49:28,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:49:29,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:49:29,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.321745057941377) internal successors, (1939), 1467 states have internal predecessors, (1939), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:49:29,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1969 transitions. [2022-11-03 01:49:29,051 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1969 transitions. Word has length 346 [2022-11-03 01:49:29,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:29,051 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1969 transitions. [2022-11-03 01:49:29,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:29,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1969 transitions. [2022-11-03 01:49:29,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:49:29,055 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:29,055 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:29,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (95)] Ended with exit code 0 [2022-11-03 01:49:29,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2022-11-03 01:49:29,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 95 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,96 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:49:29,456 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:29,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:29,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1587326687, now seen corresponding path program 1 times [2022-11-03 01:49:29,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:49:29,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1700722420] [2022-11-03 01:49:29,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:29,458 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:49:29,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:49:29,459 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:49:29,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (97)] Waiting until timeout for monitored process [2022-11-03 01:49:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:30,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:49:30,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:30,878 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:49:30,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:49:31,074 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:49:31,075 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:49:31,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1700722420] [2022-11-03 01:49:31,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1700722420] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:49:31,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1507085965] [2022-11-03 01:49:31,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:31,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:49:31,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:49:31,077 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:49:31,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2022-11-03 01:49:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:32,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:49:32,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:33,013 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:49:33,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:49:33,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1507085965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:33,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:49:33,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:49:33,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893241638] [2022-11-03 01:49:33,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:33,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:49:33,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:49:33,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:49:33,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:49:33,015 INFO L87 Difference]: Start difference. First operand 1484 states and 1969 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:33,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:33,607 INFO L93 Difference]: Finished difference Result 2699 states and 3616 transitions. [2022-11-03 01:49:33,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:49:33,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:49:33,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:33,609 INFO L225 Difference]: With dead ends: 2699 [2022-11-03 01:49:33,609 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:49:33,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:49:33,610 INFO L413 NwaCegarLoop]: 901 mSDtfsCounter, 909 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 1841 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:33,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 1841 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:49:33,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:49:33,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:49:33,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3190184049079754) internal successors, (1935), 1467 states have internal predecessors, (1935), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:49:33,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1965 transitions. [2022-11-03 01:49:33,753 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1965 transitions. Word has length 346 [2022-11-03 01:49:33,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:33,754 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1965 transitions. [2022-11-03 01:49:33,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:33,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1965 transitions. [2022-11-03 01:49:33,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:49:33,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:33,757 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:33,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2022-11-03 01:49:33,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (97)] Ended with exit code 0 [2022-11-03 01:49:34,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 98 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,97 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:49:34,157 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:34,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:34,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1393810723, now seen corresponding path program 1 times [2022-11-03 01:49:34,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:49:34,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412592955] [2022-11-03 01:49:34,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:34,160 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:49:34,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:49:34,161 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:49:34,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (99)] Waiting until timeout for monitored process [2022-11-03 01:49:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:35,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:49:35,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:35,583 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:49:35,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:49:35,815 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:49:35,815 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:49:35,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412592955] [2022-11-03 01:49:35,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412592955] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:49:35,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1252068183] [2022-11-03 01:49:35,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:35,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:49:35,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:49:35,817 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:49:35,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2022-11-03 01:49:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:37,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:49:37,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:37,661 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:49:37,661 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:49:37,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1252068183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:37,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:49:37,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:49:37,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415793578] [2022-11-03 01:49:37,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:37,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:49:37,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:49:37,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:49:37,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:49:37,663 INFO L87 Difference]: Start difference. First operand 1484 states and 1965 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:38,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:38,326 INFO L93 Difference]: Finished difference Result 2691 states and 3599 transitions. [2022-11-03 01:49:38,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:49:38,326 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:49:38,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:38,329 INFO L225 Difference]: With dead ends: 2691 [2022-11-03 01:49:38,329 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:49:38,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:49:38,330 INFO L413 NwaCegarLoop]: 899 mSDtfsCounter, 903 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:38,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 1838 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:49:38,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:49:38,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:49:38,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.316291751874574) internal successors, (1931), 1467 states have internal predecessors, (1931), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:49:38,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1961 transitions. [2022-11-03 01:49:38,536 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1961 transitions. Word has length 346 [2022-11-03 01:49:38,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:38,536 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1961 transitions. [2022-11-03 01:49:38,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:38,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1961 transitions. [2022-11-03 01:49:38,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:49:38,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:38,541 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:38,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (100)] Forceful destruction successful, exit code 0 [2022-11-03 01:49:38,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (99)] Forceful destruction successful, exit code 0 [2022-11-03 01:49:38,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 100 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,99 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:49:38,957 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:38,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:38,957 INFO L85 PathProgramCache]: Analyzing trace with hash 257866277, now seen corresponding path program 1 times [2022-11-03 01:49:38,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:49:38,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596935334] [2022-11-03 01:49:38,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:38,960 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:49:38,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:49:38,962 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:49:38,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (101)] Waiting until timeout for monitored process [2022-11-03 01:49:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:40,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:49:40,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:40,493 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:49:40,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:49:40,693 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:49:40,693 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:49:40,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596935334] [2022-11-03 01:49:40,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [596935334] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:49:40,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2073241965] [2022-11-03 01:49:40,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:40,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:49:40,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:49:40,695 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:49:40,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2022-11-03 01:49:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:42,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:49:42,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:42,597 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:49:42,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:49:42,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2073241965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:42,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:49:42,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:49:42,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260150050] [2022-11-03 01:49:42,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:42,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:49:42,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:49:42,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:49:42,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:49:42,599 INFO L87 Difference]: Start difference. First operand 1484 states and 1961 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:43,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:43,277 INFO L93 Difference]: Finished difference Result 2683 states and 3582 transitions. [2022-11-03 01:49:43,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:49:43,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:49:43,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:43,279 INFO L225 Difference]: With dead ends: 2683 [2022-11-03 01:49:43,280 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:49:43,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:49:43,281 INFO L413 NwaCegarLoop]: 898 mSDtfsCounter, 897 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:43,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [900 Valid, 1838 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:49:43,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:49:43,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:49:43,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3135650988411725) internal successors, (1927), 1467 states have internal predecessors, (1927), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:49:43,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1957 transitions. [2022-11-03 01:49:43,536 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1957 transitions. Word has length 346 [2022-11-03 01:49:43,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:43,536 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1957 transitions. [2022-11-03 01:49:43,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1957 transitions. [2022-11-03 01:49:43,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:49:43,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:43,541 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:43,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (101)] Forceful destruction successful, exit code 0 [2022-11-03 01:49:43,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (102)] Forceful destruction successful, exit code 0 [2022-11-03 01:49:43,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 101 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,102 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:49:43,967 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:43,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:43,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1709938649, now seen corresponding path program 1 times [2022-11-03 01:49:43,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:49:43,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [484710104] [2022-11-03 01:49:43,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:43,969 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:49:43,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:49:43,971 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:49:44,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (103)] Waiting until timeout for monitored process [2022-11-03 01:49:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:45,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:49:45,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:45,575 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:49:45,575 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:49:45,799 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:49:45,799 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:49:45,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [484710104] [2022-11-03 01:49:45,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [484710104] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:49:45,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1646235188] [2022-11-03 01:49:45,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:45,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:49:45,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:49:45,802 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:49:45,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2022-11-03 01:49:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:47,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:49:47,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:47,732 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:49:47,733 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:49:47,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1646235188] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:47,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:49:47,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:49:47,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861126710] [2022-11-03 01:49:47,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:47,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:49:47,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:49:47,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:49:47,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:49:47,735 INFO L87 Difference]: Start difference. First operand 1484 states and 1957 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:48,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:48,389 INFO L93 Difference]: Finished difference Result 2675 states and 3562 transitions. [2022-11-03 01:49:48,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:49:48,390 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:49:48,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:48,392 INFO L225 Difference]: With dead ends: 2675 [2022-11-03 01:49:48,392 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:49:48,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:49:48,393 INFO L413 NwaCegarLoop]: 895 mSDtfsCounter, 891 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 1832 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:48,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 1832 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:49:48,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:49:48,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:49:48,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3108384458077709) internal successors, (1923), 1467 states have internal predecessors, (1923), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:49:48,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1953 transitions. [2022-11-03 01:49:48,565 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1953 transitions. Word has length 346 [2022-11-03 01:49:48,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:48,565 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1953 transitions. [2022-11-03 01:49:48,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:48,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1953 transitions. [2022-11-03 01:49:48,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:49:48,568 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:48,568 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:48,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (103)] Forceful destruction successful, exit code 0 [2022-11-03 01:49:48,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2022-11-03 01:49:48,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 103 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,104 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:49:48,969 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:48,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:48,970 INFO L85 PathProgramCache]: Analyzing trace with hash 860186409, now seen corresponding path program 1 times [2022-11-03 01:49:48,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:49:48,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1623831633] [2022-11-03 01:49:48,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:48,972 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:49:48,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:49:48,973 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:49:48,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (105)] Waiting until timeout for monitored process [2022-11-03 01:49:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:50,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:49:50,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:50,490 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:49:50,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:49:50,721 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:49:50,721 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:49:50,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1623831633] [2022-11-03 01:49:50,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1623831633] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:49:50,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1507569236] [2022-11-03 01:49:50,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:50,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:49:50,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:49:50,722 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:49:50,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2022-11-03 01:49:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:52,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:49:52,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:52,614 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:49:52,614 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:49:52,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1507569236] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:52,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:49:52,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:49:52,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801643850] [2022-11-03 01:49:52,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:52,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:49:52,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:49:52,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:49:52,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:49:52,617 INFO L87 Difference]: Start difference. First operand 1484 states and 1953 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:53,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:53,385 INFO L93 Difference]: Finished difference Result 2667 states and 3545 transitions. [2022-11-03 01:49:53,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:49:53,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:49:53,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:53,389 INFO L225 Difference]: With dead ends: 2667 [2022-11-03 01:49:53,389 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:49:53,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:49:53,391 INFO L413 NwaCegarLoop]: 893 mSDtfsCounter, 885 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 888 SdHoareTripleChecker+Valid, 1829 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:53,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [888 Valid, 1829 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:49:53,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:49:53,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:49:53,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3081117927743695) internal successors, (1919), 1467 states have internal predecessors, (1919), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:49:53,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1949 transitions. [2022-11-03 01:49:53,545 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1949 transitions. Word has length 346 [2022-11-03 01:49:53,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:53,545 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1949 transitions. [2022-11-03 01:49:53,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:53,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1949 transitions. [2022-11-03 01:49:53,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:49:53,547 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:53,548 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:53,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (105)] Ended with exit code 0 [2022-11-03 01:49:53,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2022-11-03 01:49:53,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 105 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,106 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:49:53,948 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:53,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:53,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1220397269, now seen corresponding path program 1 times [2022-11-03 01:49:53,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:49:53,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [531597119] [2022-11-03 01:49:53,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:53,951 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:49:53,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:49:53,953 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:49:53,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (107)] Waiting until timeout for monitored process [2022-11-03 01:49:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:55,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:49:55,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:49:55,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:49:55,627 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:49:55,627 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:49:55,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [531597119] [2022-11-03 01:49:55,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [531597119] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:49:55,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [689994060] [2022-11-03 01:49:55,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:55,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:49:55,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:49:55,629 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:49:55,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2022-11-03 01:49:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:57,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:49:57,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:57,576 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:49:57,577 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:49:57,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [689994060] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:57,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:49:57,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:49:57,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91281083] [2022-11-03 01:49:57,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:57,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:49:57,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:49:57,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:49:57,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:49:57,579 INFO L87 Difference]: Start difference. First operand 1484 states and 1949 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:58,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:58,219 INFO L93 Difference]: Finished difference Result 2659 states and 3528 transitions. [2022-11-03 01:49:58,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:49:58,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:49:58,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:58,222 INFO L225 Difference]: With dead ends: 2659 [2022-11-03 01:49:58,222 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:49:58,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:49:58,223 INFO L413 NwaCegarLoop]: 891 mSDtfsCounter, 879 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 1826 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:58,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 1826 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:49:58,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:49:58,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:49:58,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.305385139740968) internal successors, (1915), 1467 states have internal predecessors, (1915), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:49:58,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1945 transitions. [2022-11-03 01:49:58,357 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1945 transitions. Word has length 346 [2022-11-03 01:49:58,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:58,358 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1945 transitions. [2022-11-03 01:49:58,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:49:58,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1945 transitions. [2022-11-03 01:49:58,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:49:58,360 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:58,360 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:58,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (107)] Forceful destruction successful, exit code 0 [2022-11-03 01:49:58,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2022-11-03 01:49:58,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 107 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,108 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:49:58,761 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:58,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:58,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1097115603, now seen corresponding path program 1 times [2022-11-03 01:49:58,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:49:58,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185381720] [2022-11-03 01:49:58,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:58,764 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:49:58,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:49:58,764 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:49:58,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (109)] Waiting until timeout for monitored process [2022-11-03 01:50:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:00,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:50:00,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:00,303 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:50:00,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:50:00,525 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:50:00,525 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:00,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185381720] [2022-11-03 01:50:00,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [185381720] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:50:00,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1960303940] [2022-11-03 01:50:00,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:00,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:00,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:50:00,527 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:50:00,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2022-11-03 01:50:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:02,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:50:02,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:02,440 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:50:02,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:02,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1960303940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:02,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:50:02,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:50:02,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145946888] [2022-11-03 01:50:02,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:02,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:50:02,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:02,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:50:02,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:50:02,442 INFO L87 Difference]: Start difference. First operand 1484 states and 1945 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:03,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:03,107 INFO L93 Difference]: Finished difference Result 2651 states and 3511 transitions. [2022-11-03 01:50:03,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:50:03,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:50:03,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:03,109 INFO L225 Difference]: With dead ends: 2651 [2022-11-03 01:50:03,109 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:50:03,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:50:03,110 INFO L413 NwaCegarLoop]: 890 mSDtfsCounter, 873 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 1826 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:03,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 1826 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:50:03,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:50:03,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:50:03,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.3026584867075666) internal successors, (1911), 1467 states have internal predecessors, (1911), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:50:03,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1941 transitions. [2022-11-03 01:50:03,255 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1941 transitions. Word has length 346 [2022-11-03 01:50:03,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:03,255 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1941 transitions. [2022-11-03 01:50:03,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:03,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1941 transitions. [2022-11-03 01:50:03,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:50:03,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:03,258 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:03,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (110)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:03,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (109)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:03,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 110 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,109 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:50:03,659 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:03,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:03,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1105114577, now seen corresponding path program 1 times [2022-11-03 01:50:03,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:03,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [492996243] [2022-11-03 01:50:03,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:03,661 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:03,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:03,662 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:03,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (111)] Waiting until timeout for monitored process [2022-11-03 01:50:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:05,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:50:05,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:05,163 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:50:05,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:50:05,343 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:50:05,344 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:05,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [492996243] [2022-11-03 01:50:05,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [492996243] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:50:05,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1431692054] [2022-11-03 01:50:05,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:05,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:05,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:50:05,345 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:50:05,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2022-11-03 01:50:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:07,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:50:07,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:07,415 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:50:07,415 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:07,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1431692054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:07,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:50:07,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:50:07,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374124467] [2022-11-03 01:50:07,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:07,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:50:07,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:07,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:50:07,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:50:07,416 INFO L87 Difference]: Start difference. First operand 1484 states and 1941 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:08,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:08,110 INFO L93 Difference]: Finished difference Result 2635 states and 3487 transitions. [2022-11-03 01:50:08,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:50:08,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:50:08,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:08,113 INFO L225 Difference]: With dead ends: 2635 [2022-11-03 01:50:08,113 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:50:08,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:50:08,114 INFO L413 NwaCegarLoop]: 889 mSDtfsCounter, 863 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 1825 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:08,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 1825 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:50:08,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:50:08,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:50:08,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.299931833674165) internal successors, (1907), 1467 states have internal predecessors, (1907), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:50:08,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1937 transitions. [2022-11-03 01:50:08,248 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1937 transitions. Word has length 346 [2022-11-03 01:50:08,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:08,249 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1937 transitions. [2022-11-03 01:50:08,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:08,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1937 transitions. [2022-11-03 01:50:08,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:50:08,251 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:08,251 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:08,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (112)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:08,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (111)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:08,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 112 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,111 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:50:08,652 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:08,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:08,652 INFO L85 PathProgramCache]: Analyzing trace with hash 494034481, now seen corresponding path program 1 times [2022-11-03 01:50:08,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:08,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1335517051] [2022-11-03 01:50:08,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:08,654 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:08,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:08,655 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:08,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (113)] Waiting until timeout for monitored process [2022-11-03 01:50:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:10,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:50:10,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:10,161 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:50:10,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:50:10,394 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:50:10,394 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:10,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1335517051] [2022-11-03 01:50:10,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1335517051] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:50:10,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [798262380] [2022-11-03 01:50:10,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:10,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:10,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:50:10,396 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:50:10,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2022-11-03 01:50:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:12,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:50:12,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:12,461 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:50:12,461 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:12,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [798262380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:12,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:50:12,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:50:12,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203735523] [2022-11-03 01:50:12,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:12,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:50:12,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:12,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:50:12,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:50:12,463 INFO L87 Difference]: Start difference. First operand 1484 states and 1937 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:13,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:13,128 INFO L93 Difference]: Finished difference Result 2627 states and 3470 transitions. [2022-11-03 01:50:13,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:50:13,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:50:13,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:13,131 INFO L225 Difference]: With dead ends: 2627 [2022-11-03 01:50:13,131 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:50:13,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:50:13,133 INFO L413 NwaCegarLoop]: 886 mSDtfsCounter, 857 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 1819 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:13,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 1819 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:50:13,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:50:13,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:50:13,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2972051806407634) internal successors, (1903), 1467 states have internal predecessors, (1903), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:50:13,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1933 transitions. [2022-11-03 01:50:13,298 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1933 transitions. Word has length 346 [2022-11-03 01:50:13,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:13,299 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1933 transitions. [2022-11-03 01:50:13,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:13,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1933 transitions. [2022-11-03 01:50:13,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:50:13,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:13,302 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:13,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (113)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:13,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:13,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 113 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,114 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:13,703 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:13,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:13,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1021428531, now seen corresponding path program 1 times [2022-11-03 01:50:13,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:13,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034849282] [2022-11-03 01:50:13,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:13,705 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:13,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:13,706 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:13,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (115)] Waiting until timeout for monitored process [2022-11-03 01:50:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:15,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:50:15,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:15,204 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:50:15,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:50:15,408 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:50:15,409 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:15,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1034849282] [2022-11-03 01:50:15,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1034849282] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:50:15,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [921900958] [2022-11-03 01:50:15,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:15,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:15,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:50:15,410 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:50:15,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2022-11-03 01:50:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:17,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:50:17,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:17,461 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:50:17,461 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:17,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [921900958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:17,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:50:17,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:50:17,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388526766] [2022-11-03 01:50:17,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:17,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:50:17,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:17,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:50:17,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:50:17,464 INFO L87 Difference]: Start difference. First operand 1484 states and 1933 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:18,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:18,153 INFO L93 Difference]: Finished difference Result 2619 states and 3453 transitions. [2022-11-03 01:50:18,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:50:18,153 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:50:18,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:18,155 INFO L225 Difference]: With dead ends: 2619 [2022-11-03 01:50:18,155 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:50:18,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:50:18,156 INFO L413 NwaCegarLoop]: 884 mSDtfsCounter, 851 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 854 SdHoareTripleChecker+Valid, 1816 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:18,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [854 Valid, 1816 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:50:18,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:50:18,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:50:18,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.294478527607362) internal successors, (1899), 1467 states have internal predecessors, (1899), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:50:18,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1929 transitions. [2022-11-03 01:50:18,285 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1929 transitions. Word has length 346 [2022-11-03 01:50:18,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:18,286 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1929 transitions. [2022-11-03 01:50:18,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:18,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1929 transitions. [2022-11-03 01:50:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:50:18,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:18,289 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:18,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2022-11-03 01:50:18,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (115)] Ended with exit code 0 [2022-11-03 01:50:18,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 116 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,115 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:50:18,690 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:18,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:18,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1111488821, now seen corresponding path program 1 times [2022-11-03 01:50:18,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:18,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [635764210] [2022-11-03 01:50:18,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:18,692 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:18,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:18,693 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:18,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (117)] Waiting until timeout for monitored process [2022-11-03 01:50:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:20,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:50:20,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:20,209 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:50:20,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:50:20,463 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:50:20,463 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:20,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [635764210] [2022-11-03 01:50:20,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [635764210] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:50:20,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1507164853] [2022-11-03 01:50:20,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:20,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:20,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:50:20,467 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:50:20,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2022-11-03 01:50:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:22,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:50:22,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:22,541 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:50:22,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:22,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1507164853] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:22,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:50:22,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:50:22,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655876770] [2022-11-03 01:50:22,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:22,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:50:22,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:22,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:50:22,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:50:22,543 INFO L87 Difference]: Start difference. First operand 1484 states and 1929 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:23,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:23,181 INFO L93 Difference]: Finished difference Result 2611 states and 3433 transitions. [2022-11-03 01:50:23,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:50:23,182 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:50:23,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:23,183 INFO L225 Difference]: With dead ends: 2611 [2022-11-03 01:50:23,183 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:50:23,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:50:23,185 INFO L413 NwaCegarLoop]: 882 mSDtfsCounter, 845 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 1813 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:23,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 1813 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:50:23,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:50:23,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:50:23,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2917518745739605) internal successors, (1895), 1467 states have internal predecessors, (1895), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:50:23,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1925 transitions. [2022-11-03 01:50:23,326 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1925 transitions. Word has length 346 [2022-11-03 01:50:23,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:23,326 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1925 transitions. [2022-11-03 01:50:23,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:23,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1925 transitions. [2022-11-03 01:50:23,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:50:23,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:23,329 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:23,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (117)] Ended with exit code 0 [2022-11-03 01:50:23,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (118)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:23,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 117 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,118 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:23,730 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:23,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:23,730 INFO L85 PathProgramCache]: Analyzing trace with hash -811761609, now seen corresponding path program 1 times [2022-11-03 01:50:23,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:23,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816755011] [2022-11-03 01:50:23,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:23,732 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:23,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:23,733 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:23,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (119)] Waiting until timeout for monitored process [2022-11-03 01:50:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:25,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:50:25,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:25,321 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:50:25,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:50:25,544 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:50:25,544 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:25,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [816755011] [2022-11-03 01:50:25,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [816755011] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:50:25,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [974872400] [2022-11-03 01:50:25,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:25,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:25,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:50:25,546 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:50:25,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2022-11-03 01:50:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:27,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:50:27,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:27,554 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:50:27,554 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:27,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [974872400] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:27,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:50:27,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:50:27,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008598317] [2022-11-03 01:50:27,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:27,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:50:27,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:27,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:50:27,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:50:27,556 INFO L87 Difference]: Start difference. First operand 1484 states and 1925 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:28,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:28,168 INFO L93 Difference]: Finished difference Result 2603 states and 3416 transitions. [2022-11-03 01:50:28,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:50:28,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:50:28,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:28,171 INFO L225 Difference]: With dead ends: 2603 [2022-11-03 01:50:28,171 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:50:28,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:50:28,172 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 839 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:28,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [842 Valid, 1810 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:50:28,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:50:28,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:50:28,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2890252215405589) internal successors, (1891), 1467 states have internal predecessors, (1891), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:50:28,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1921 transitions. [2022-11-03 01:50:28,319 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1921 transitions. Word has length 346 [2022-11-03 01:50:28,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:28,320 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1921 transitions. [2022-11-03 01:50:28,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:28,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1921 transitions. [2022-11-03 01:50:28,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:50:28,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:28,322 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:28,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2022-11-03 01:50:28,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (119)] Ended with exit code 0 [2022-11-03 01:50:28,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 120 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,119 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:50:28,723 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:28,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:28,724 INFO L85 PathProgramCache]: Analyzing trace with hash 592107577, now seen corresponding path program 1 times [2022-11-03 01:50:28,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:28,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174043627] [2022-11-03 01:50:28,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:28,726 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:28,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:28,727 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:28,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (121)] Waiting until timeout for monitored process [2022-11-03 01:50:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:30,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:50:30,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:30,279 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:50:30,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:50:30,513 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:50:30,513 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:30,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174043627] [2022-11-03 01:50:30,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1174043627] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:50:30,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [73545995] [2022-11-03 01:50:30,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:30,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:30,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:50:30,515 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:50:30,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2022-11-03 01:50:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:32,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:50:32,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:32,584 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:50:32,584 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:32,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [73545995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:32,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:50:32,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:50:32,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409047254] [2022-11-03 01:50:32,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:32,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:50:32,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:32,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:50:32,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:50:32,586 INFO L87 Difference]: Start difference. First operand 1484 states and 1921 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:33,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:33,279 INFO L93 Difference]: Finished difference Result 2595 states and 3399 transitions. [2022-11-03 01:50:33,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:50:33,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:50:33,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:33,282 INFO L225 Difference]: With dead ends: 2595 [2022-11-03 01:50:33,283 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:50:33,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:50:33,284 INFO L413 NwaCegarLoop]: 879 mSDtfsCounter, 833 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 836 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:33,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [836 Valid, 1810 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:50:33,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:50:33,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:50:33,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2862985685071575) internal successors, (1887), 1467 states have internal predecessors, (1887), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:50:33,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1917 transitions. [2022-11-03 01:50:33,430 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1917 transitions. Word has length 346 [2022-11-03 01:50:33,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:33,430 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1917 transitions. [2022-11-03 01:50:33,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:33,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1917 transitions. [2022-11-03 01:50:33,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:50:33,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:33,433 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:33,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:33,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (121)] Ended with exit code 0 [2022-11-03 01:50:33,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 122 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,121 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:50:33,834 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:33,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:33,834 INFO L85 PathProgramCache]: Analyzing trace with hash 936935739, now seen corresponding path program 1 times [2022-11-03 01:50:33,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:33,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1144461588] [2022-11-03 01:50:33,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:33,836 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:33,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:33,837 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:33,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (123)] Waiting until timeout for monitored process [2022-11-03 01:50:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:35,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:50:35,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:35,379 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:50:35,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:50:35,576 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:50:35,577 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:35,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1144461588] [2022-11-03 01:50:35,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1144461588] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:50:35,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2022440582] [2022-11-03 01:50:35,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:35,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:35,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:50:35,578 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:50:35,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2022-11-03 01:50:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:37,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:50:37,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:37,716 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:50:37,716 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:37,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2022440582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:37,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:50:37,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:50:37,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000147033] [2022-11-03 01:50:37,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:37,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:50:37,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:37,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:50:37,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:50:37,718 INFO L87 Difference]: Start difference. First operand 1484 states and 1917 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:38,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:38,415 INFO L93 Difference]: Finished difference Result 2587 states and 3382 transitions. [2022-11-03 01:50:38,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:50:38,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:50:38,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:38,417 INFO L225 Difference]: With dead ends: 2587 [2022-11-03 01:50:38,417 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:50:38,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:50:38,418 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 827 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 830 SdHoareTripleChecker+Valid, 1804 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:38,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [830 Valid, 1804 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:50:38,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:50:38,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:50:38,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.283571915473756) internal successors, (1883), 1467 states have internal predecessors, (1883), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:50:38,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1913 transitions. [2022-11-03 01:50:38,560 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1913 transitions. Word has length 346 [2022-11-03 01:50:38,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:38,560 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1913 transitions. [2022-11-03 01:50:38,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:38,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1913 transitions. [2022-11-03 01:50:38,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:50:38,564 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:38,564 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:38,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (123)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:38,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2022-11-03 01:50:38,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 123 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,124 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:38,979 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:38,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:38,979 INFO L85 PathProgramCache]: Analyzing trace with hash -468255939, now seen corresponding path program 1 times [2022-11-03 01:50:38,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:38,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2023878411] [2022-11-03 01:50:38,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:38,982 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:38,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:38,983 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:38,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (125)] Waiting until timeout for monitored process [2022-11-03 01:50:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:40,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:50:40,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:40,547 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:50:40,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:50:40,774 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:50:40,775 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:40,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2023878411] [2022-11-03 01:50:40,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2023878411] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:50:40,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1459632072] [2022-11-03 01:50:40,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:40,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:40,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:50:40,777 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:50:40,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2022-11-03 01:50:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:42,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:50:42,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:42,982 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:50:42,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:42,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1459632072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:42,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:50:42,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:50:42,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123355482] [2022-11-03 01:50:42,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:42,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:50:42,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:42,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:50:42,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:50:42,984 INFO L87 Difference]: Start difference. First operand 1484 states and 1913 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:43,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:43,661 INFO L93 Difference]: Finished difference Result 2571 states and 3358 transitions. [2022-11-03 01:50:43,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:50:43,661 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:50:43,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:43,663 INFO L225 Difference]: With dead ends: 2571 [2022-11-03 01:50:43,663 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:50:43,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:50:43,665 INFO L413 NwaCegarLoop]: 875 mSDtfsCounter, 817 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 1803 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:43,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 1803 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:50:43,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:50:43,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:50:43,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2808452624403546) internal successors, (1879), 1467 states have internal predecessors, (1879), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:50:43,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1909 transitions. [2022-11-03 01:50:43,813 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1909 transitions. Word has length 346 [2022-11-03 01:50:43,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:43,814 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1909 transitions. [2022-11-03 01:50:43,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:43,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1909 transitions. [2022-11-03 01:50:43,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:50:43,816 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:43,817 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:43,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (125)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:44,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2022-11-03 01:50:44,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 125 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,126 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:44,218 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:44,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:44,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1428723519, now seen corresponding path program 1 times [2022-11-03 01:50:44,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:44,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630105211] [2022-11-03 01:50:44,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:44,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:44,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:44,221 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:44,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (127)] Waiting until timeout for monitored process [2022-11-03 01:50:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:45,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:50:45,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:45,778 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:50:45,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:50:46,005 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:50:46,005 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:46,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630105211] [2022-11-03 01:50:46,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1630105211] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:50:46,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1074779204] [2022-11-03 01:50:46,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:46,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:46,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:50:46,007 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:50:46,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2022-11-03 01:50:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:47,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:50:47,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:48,218 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:50:48,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:48,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1074779204] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:48,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:50:48,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:50:48,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685522834] [2022-11-03 01:50:48,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:48,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:50:48,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:48,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:50:48,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:50:48,221 INFO L87 Difference]: Start difference. First operand 1484 states and 1909 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:48,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:48,915 INFO L93 Difference]: Finished difference Result 2563 states and 3341 transitions. [2022-11-03 01:50:48,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:50:48,916 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:50:48,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:48,918 INFO L225 Difference]: With dead ends: 2563 [2022-11-03 01:50:48,918 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:50:48,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:50:48,919 INFO L413 NwaCegarLoop]: 873 mSDtfsCounter, 811 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 1800 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:48,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 1800 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:50:48,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:50:49,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:50:49,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.278118609406953) internal successors, (1875), 1467 states have internal predecessors, (1875), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:50:49,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1905 transitions. [2022-11-03 01:50:49,064 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1905 transitions. Word has length 346 [2022-11-03 01:50:49,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:49,064 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1905 transitions. [2022-11-03 01:50:49,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:49,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1905 transitions. [2022-11-03 01:50:49,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:50:49,067 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:49,067 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:49,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (127)] Ended with exit code 0 [2022-11-03 01:50:49,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2022-11-03 01:50:49,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 127 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,128 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:49,468 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:49,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:49,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1272742977, now seen corresponding path program 1 times [2022-11-03 01:50:49,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:49,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745107087] [2022-11-03 01:50:49,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:49,470 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:49,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:49,472 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:49,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (129)] Waiting until timeout for monitored process [2022-11-03 01:50:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:50,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:50:50,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:51,064 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:50:51,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:50:51,290 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:50:51,290 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:51,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745107087] [2022-11-03 01:50:51,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745107087] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:50:51,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [92525847] [2022-11-03 01:50:51,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:51,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:51,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:50:51,292 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:50:51,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2022-11-03 01:50:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:53,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:50:53,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:53,458 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:50:53,459 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:53,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [92525847] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:53,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:50:53,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:50:53,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359588154] [2022-11-03 01:50:53,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:53,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:50:53,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:53,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:50:53,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:50:53,461 INFO L87 Difference]: Start difference. First operand 1484 states and 1905 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:54,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:54,129 INFO L93 Difference]: Finished difference Result 2555 states and 3324 transitions. [2022-11-03 01:50:54,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:50:54,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:50:54,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:54,132 INFO L225 Difference]: With dead ends: 2555 [2022-11-03 01:50:54,132 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:50:54,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:50:54,133 INFO L413 NwaCegarLoop]: 871 mSDtfsCounter, 805 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 1797 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:54,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 1797 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:50:54,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:50:54,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:50:54,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2753919563735514) internal successors, (1871), 1467 states have internal predecessors, (1871), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:50:54,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1901 transitions. [2022-11-03 01:50:54,313 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1901 transitions. Word has length 346 [2022-11-03 01:50:54,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:54,314 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1901 transitions. [2022-11-03 01:50:54,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:54,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1901 transitions. [2022-11-03 01:50:54,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:50:54,317 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:54,317 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:54,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:54,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (129)] Ended with exit code 0 [2022-11-03 01:50:54,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 130 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,129 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:50:54,718 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:54,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:54,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1342390851, now seen corresponding path program 1 times [2022-11-03 01:50:54,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:54,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094131724] [2022-11-03 01:50:54,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:54,720 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:54,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:54,721 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:54,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (131)] Waiting until timeout for monitored process [2022-11-03 01:50:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:56,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:50:56,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:50:56,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:50:56,474 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:50:56,475 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:56,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094131724] [2022-11-03 01:50:56,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2094131724] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:50:56,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1309520620] [2022-11-03 01:50:56,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:56,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:56,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:50:56,476 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:50:56,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2022-11-03 01:50:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:58,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:50:58,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:58,638 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:50:58,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:58,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1309520620] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:58,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:50:58,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:50:58,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843850407] [2022-11-03 01:50:58,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:58,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:50:58,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:58,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:50:58,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:50:58,640 INFO L87 Difference]: Start difference. First operand 1484 states and 1901 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:59,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:59,352 INFO L93 Difference]: Finished difference Result 2547 states and 3304 transitions. [2022-11-03 01:50:59,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:50:59,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:50:59,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:59,354 INFO L225 Difference]: With dead ends: 2547 [2022-11-03 01:50:59,354 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:50:59,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:50:59,355 INFO L413 NwaCegarLoop]: 869 mSDtfsCounter, 799 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 1794 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:59,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 1794 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:50:59,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:50:59,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:50:59,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.27266530334015) internal successors, (1867), 1467 states have internal predecessors, (1867), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:50:59,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1897 transitions. [2022-11-03 01:50:59,500 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1897 transitions. Word has length 346 [2022-11-03 01:50:59,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:59,501 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1897 transitions. [2022-11-03 01:50:59,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:50:59,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1897 transitions. [2022-11-03 01:50:59,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:50:59,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:59,505 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:59,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (131)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:59,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2022-11-03 01:50:59,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 131 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,132 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:59,931 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:59,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:59,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1705857349, now seen corresponding path program 1 times [2022-11-03 01:50:59,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:59,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [675545733] [2022-11-03 01:50:59,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:59,934 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:59,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:59,943 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:59,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (133)] Waiting until timeout for monitored process [2022-11-03 01:51:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:01,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:51:01,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:01,533 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:51:01,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:51:01,762 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:51:01,762 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:51:01,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [675545733] [2022-11-03 01:51:01,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [675545733] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:51:01,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1634409649] [2022-11-03 01:51:01,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:01,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:51:01,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:51:01,764 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:51:01,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2022-11-03 01:51:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:03,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:51:03,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:03,962 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:51:03,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:51:03,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1634409649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:03,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:51:03,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:51:03,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717352213] [2022-11-03 01:51:03,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:03,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:51:03,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:51:03,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:51:03,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:51:03,964 INFO L87 Difference]: Start difference. First operand 1484 states and 1897 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:51:04,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:04,684 INFO L93 Difference]: Finished difference Result 2539 states and 3287 transitions. [2022-11-03 01:51:04,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:51:04,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:51:04,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:04,687 INFO L225 Difference]: With dead ends: 2539 [2022-11-03 01:51:04,687 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:51:04,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:51:04,688 INFO L413 NwaCegarLoop]: 868 mSDtfsCounter, 793 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 1794 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:04,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 1794 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:51:04,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:51:04,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:51:04,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2699386503067485) internal successors, (1863), 1467 states have internal predecessors, (1863), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:51:04,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1893 transitions. [2022-11-03 01:51:04,834 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1893 transitions. Word has length 346 [2022-11-03 01:51:04,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:04,835 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1893 transitions. [2022-11-03 01:51:04,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:51:04,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1893 transitions. [2022-11-03 01:51:04,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:51:04,837 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:04,838 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:51:04,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (133)] Forceful destruction successful, exit code 0 [2022-11-03 01:51:05,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (134)] Forceful destruction successful, exit code 0 [2022-11-03 01:51:05,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 133 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,134 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:51:05,238 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:05,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:05,239 INFO L85 PathProgramCache]: Analyzing trace with hash 757805383, now seen corresponding path program 1 times [2022-11-03 01:51:05,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:51:05,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [29672649] [2022-11-03 01:51:05,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:05,240 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:51:05,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:51:05,241 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:51:05,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (135)] Waiting until timeout for monitored process [2022-11-03 01:51:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:06,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:51:06,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:06,941 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:51:06,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:51:07,161 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:51:07,161 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:51:07,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [29672649] [2022-11-03 01:51:07,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [29672649] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:51:07,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [672697086] [2022-11-03 01:51:07,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:07,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:51:07,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:51:07,163 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:51:07,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2022-11-03 01:51:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:09,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:51:09,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:09,440 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:51:09,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:51:09,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [672697086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:09,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:51:09,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:51:09,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802510386] [2022-11-03 01:51:09,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:09,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:51:09,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:51:09,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:51:09,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:51:09,442 INFO L87 Difference]: Start difference. First operand 1484 states and 1893 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:51:10,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:10,123 INFO L93 Difference]: Finished difference Result 2531 states and 3270 transitions. [2022-11-03 01:51:10,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:51:10,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:51:10,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:10,126 INFO L225 Difference]: With dead ends: 2531 [2022-11-03 01:51:10,126 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:51:10,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:51:10,127 INFO L413 NwaCegarLoop]: 865 mSDtfsCounter, 787 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 1788 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:10,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [790 Valid, 1788 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:51:10,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:51:10,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:51:10,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2672119972733469) internal successors, (1859), 1467 states have internal predecessors, (1859), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:51:10,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1889 transitions. [2022-11-03 01:51:10,278 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1889 transitions. Word has length 346 [2022-11-03 01:51:10,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:10,279 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1889 transitions. [2022-11-03 01:51:10,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:51:10,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1889 transitions. [2022-11-03 01:51:10,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:51:10,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:10,281 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:51:10,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2022-11-03 01:51:10,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (135)] Forceful destruction successful, exit code 0 [2022-11-03 01:51:10,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 136 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,135 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:51:10,682 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:10,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:10,683 INFO L85 PathProgramCache]: Analyzing trace with hash 51208777, now seen corresponding path program 1 times [2022-11-03 01:51:10,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:51:10,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1477416215] [2022-11-03 01:51:10,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:10,684 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:51:10,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:51:10,686 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:51:10,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (137)] Waiting until timeout for monitored process [2022-11-03 01:51:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:12,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:51:12,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:12,231 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:51:12,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:51:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:51:12,506 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:51:12,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1477416215] [2022-11-03 01:51:12,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1477416215] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:51:12,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [237948677] [2022-11-03 01:51:12,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:12,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:51:12,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:51:12,508 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:51:12,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2022-11-03 01:51:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:14,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:51:14,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:14,777 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:51:14,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:51:14,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [237948677] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:14,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:51:14,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:51:14,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921966403] [2022-11-03 01:51:14,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:14,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:51:14,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:51:14,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:51:14,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:51:14,779 INFO L87 Difference]: Start difference. First operand 1484 states and 1889 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:51:15,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:15,477 INFO L93 Difference]: Finished difference Result 2523 states and 3253 transitions. [2022-11-03 01:51:15,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:51:15,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:51:15,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:15,480 INFO L225 Difference]: With dead ends: 2523 [2022-11-03 01:51:15,480 INFO L226 Difference]: Without dead ends: 1857 [2022-11-03 01:51:15,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:51:15,482 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 781 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 1785 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:15,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 1785 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:51:15,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2022-11-03 01:51:15,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1484. [2022-11-03 01:51:15,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2644853442399455) internal successors, (1855), 1467 states have internal predecessors, (1855), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:51:15,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1885 transitions. [2022-11-03 01:51:15,654 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1885 transitions. Word has length 346 [2022-11-03 01:51:15,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:15,655 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1885 transitions. [2022-11-03 01:51:15,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:51:15,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1885 transitions. [2022-11-03 01:51:15,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:51:15,657 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:15,658 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:51:15,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (138)] Forceful destruction successful, exit code 0 [2022-11-03 01:51:15,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (137)] Forceful destruction successful, exit code 0 [2022-11-03 01:51:16,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 138 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,137 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:51:16,059 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:16,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:16,059 INFO L85 PathProgramCache]: Analyzing trace with hash 539255883, now seen corresponding path program 1 times [2022-11-03 01:51:16,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:51:16,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [173664765] [2022-11-03 01:51:16,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:16,061 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:51:16,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:51:16,062 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:51:16,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (139)] Waiting until timeout for monitored process [2022-11-03 01:51:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:17,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:51:17,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:17,647 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:51:17,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:51:17,875 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:51:17,875 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:51:17,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [173664765] [2022-11-03 01:51:17,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [173664765] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:51:17,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [688585357] [2022-11-03 01:51:17,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:17,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:51:17,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:51:17,877 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:51:17,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2022-11-03 01:51:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:19,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:51:19,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:20,146 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:51:20,146 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:51:20,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [688585357] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:20,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:51:20,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:51:20,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595027609] [2022-11-03 01:51:20,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:20,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:51:20,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:51:20,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:51:20,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:51:20,148 INFO L87 Difference]: Start difference. First operand 1484 states and 1885 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:51:20,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:20,929 INFO L93 Difference]: Finished difference Result 2523 states and 3249 transitions. [2022-11-03 01:51:20,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:51:20,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:51:20,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:20,932 INFO L225 Difference]: With dead ends: 2523 [2022-11-03 01:51:20,932 INFO L226 Difference]: Without dead ends: 1861 [2022-11-03 01:51:20,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:51:20,933 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 773 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 1787 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:20,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 1787 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:51:20,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1861 states. [2022-11-03 01:51:21,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1861 to 1484. [2022-11-03 01:51:21,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2631220177232447) internal successors, (1853), 1467 states have internal predecessors, (1853), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:51:21,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1883 transitions. [2022-11-03 01:51:21,124 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1883 transitions. Word has length 346 [2022-11-03 01:51:21,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:21,124 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1883 transitions. [2022-11-03 01:51:21,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:51:21,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1883 transitions. [2022-11-03 01:51:21,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:51:21,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:21,127 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:51:21,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2022-11-03 01:51:21,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (139)] Ended with exit code 0 [2022-11-03 01:51:21,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 140 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,139 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:51:21,528 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:21,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:21,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1826779187, now seen corresponding path program 1 times [2022-11-03 01:51:21,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:51:21,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2011442040] [2022-11-03 01:51:21,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:21,530 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:51:21,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:51:21,531 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:51:21,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (141)] Waiting until timeout for monitored process [2022-11-03 01:51:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:22,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:51:23,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:23,126 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:51:23,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:51:23,341 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:51:23,341 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:51:23,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2011442040] [2022-11-03 01:51:23,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2011442040] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:51:23,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1650995950] [2022-11-03 01:51:23,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:23,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:51:23,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:51:23,343 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:51:23,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2022-11-03 01:51:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:25,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:51:25,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:25,613 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:51:25,614 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:51:25,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1650995950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:25,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:51:25,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:51:25,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873796359] [2022-11-03 01:51:25,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:25,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:51:25,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:51:25,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:51:25,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:51:25,615 INFO L87 Difference]: Start difference. First operand 1484 states and 1883 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:51:26,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:26,312 INFO L93 Difference]: Finished difference Result 2537 states and 3264 transitions. [2022-11-03 01:51:26,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:51:26,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:51:26,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:26,315 INFO L225 Difference]: With dead ends: 2537 [2022-11-03 01:51:26,315 INFO L226 Difference]: Without dead ends: 1875 [2022-11-03 01:51:26,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:51:26,316 INFO L413 NwaCegarLoop]: 861 mSDtfsCounter, 763 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 766 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:26,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [766 Valid, 1783 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:51:26,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2022-11-03 01:51:26,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1484. [2022-11-03 01:51:26,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1467 states have (on average 1.2603953646898431) internal successors, (1849), 1467 states have internal predecessors, (1849), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:51:26,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1879 transitions. [2022-11-03 01:51:26,466 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1879 transitions. Word has length 346 [2022-11-03 01:51:26,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:26,467 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 1879 transitions. [2022-11-03 01:51:26,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:51:26,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1879 transitions. [2022-11-03 01:51:26,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:51:26,470 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:26,470 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:51:26,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (141)] Ended with exit code 0 [2022-11-03 01:51:26,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2022-11-03 01:51:26,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 141 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,142 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:51:26,873 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:26,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:26,874 INFO L85 PathProgramCache]: Analyzing trace with hash 326327631, now seen corresponding path program 1 times [2022-11-03 01:51:26,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:51:26,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [895504541] [2022-11-03 01:51:26,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:26,876 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:51:26,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:51:26,877 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:51:26,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (143)] Waiting until timeout for monitored process [2022-11-03 01:51:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:28,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:51:28,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:28,440 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:51:28,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:51:28,673 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:51:28,674 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:51:28,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [895504541] [2022-11-03 01:51:28,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [895504541] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:51:28,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [54412092] [2022-11-03 01:51:28,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:28,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:51:28,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:51:28,675 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:51:28,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2022-11-03 01:51:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:30,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:51:30,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:31,042 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:51:31,042 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:51:31,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [54412092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:31,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:51:31,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:51:31,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071355234] [2022-11-03 01:51:31,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:31,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:51:31,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:51:31,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:51:31,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:51:31,045 INFO L87 Difference]: Start difference. First operand 1484 states and 1879 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:51:31,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:31,816 INFO L93 Difference]: Finished difference Result 2561 states and 3289 transitions. [2022-11-03 01:51:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:51:31,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:51:31,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:31,819 INFO L225 Difference]: With dead ends: 2561 [2022-11-03 01:51:31,820 INFO L226 Difference]: Without dead ends: 1899 [2022-11-03 01:51:31,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:51:31,821 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 753 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 1782 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:31,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 1782 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:51:31,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1899 states. [2022-11-03 01:51:31,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1899 to 1488. [2022-11-03 01:51:31,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1488 states, 1471 states have (on average 1.2583276682528892) internal successors, (1851), 1471 states have internal predecessors, (1851), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:51:31,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 1881 transitions. [2022-11-03 01:51:31,979 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 1881 transitions. Word has length 346 [2022-11-03 01:51:31,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:31,979 INFO L495 AbstractCegarLoop]: Abstraction has 1488 states and 1881 transitions. [2022-11-03 01:51:31,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:51:31,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1881 transitions. [2022-11-03 01:51:31,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:51:31,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:31,982 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:51:31,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (144)] Forceful destruction successful, exit code 0 [2022-11-03 01:51:32,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (143)] Forceful destruction successful, exit code 0 [2022-11-03 01:51:32,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 144 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,143 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:51:32,383 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:32,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:32,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1357368529, now seen corresponding path program 1 times [2022-11-03 01:51:32,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:51:32,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220530765] [2022-11-03 01:51:32,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:32,386 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:51:32,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:51:32,387 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:51:32,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (145)] Waiting until timeout for monitored process [2022-11-03 01:51:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:33,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:51:33,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:33,937 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:51:33,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:51:34,161 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:51:34,161 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:51:34,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220530765] [2022-11-03 01:51:34,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [220530765] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:51:34,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [981126776] [2022-11-03 01:51:34,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:34,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:51:34,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:51:34,163 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:51:34,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2022-11-03 01:51:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:36,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:51:36,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:36,494 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-03 01:51:36,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:51:36,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [981126776] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:36,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:51:36,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 16 [2022-11-03 01:51:36,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670131516] [2022-11-03 01:51:36,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:36,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:51:36,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:51:36,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:51:36,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:51:36,496 INFO L87 Difference]: Start difference. First operand 1488 states and 1881 transitions. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:51:37,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:37,146 INFO L93 Difference]: Finished difference Result 2573 states and 3295 transitions. [2022-11-03 01:51:37,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:51:37,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 346 [2022-11-03 01:51:37,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:37,149 INFO L225 Difference]: With dead ends: 2573 [2022-11-03 01:51:37,149 INFO L226 Difference]: Without dead ends: 1911 [2022-11-03 01:51:37,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1020 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-11-03 01:51:37,150 INFO L413 NwaCegarLoop]: 858 mSDtfsCounter, 747 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 1779 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:37,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 1779 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:51:37,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1911 states. [2022-11-03 01:51:37,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1911 to 1492. [2022-11-03 01:51:37,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1475 states have (on average 1.256271186440678) internal successors, (1853), 1475 states have internal predecessors, (1853), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:51:37,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 1883 transitions. [2022-11-03 01:51:37,294 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 1883 transitions. Word has length 346 [2022-11-03 01:51:37,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:37,294 INFO L495 AbstractCegarLoop]: Abstraction has 1492 states and 1883 transitions. [2022-11-03 01:51:37,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 01:51:37,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1883 transitions. [2022-11-03 01:51:37,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-03 01:51:37,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:37,297 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:51:37,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (146)] Forceful destruction successful, exit code 0 [2022-11-03 01:51:37,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (145)] Ended with exit code 0 [2022-11-03 01:51:37,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 146 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,145 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:51:37,698 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:37,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:37,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1586213549, now seen corresponding path program 1 times [2022-11-03 01:51:37,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:51:37,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [170415451] [2022-11-03 01:51:37,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:37,701 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:51:37,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:51:37,702 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:51:37,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (147)] Waiting until timeout for monitored process [2022-11-03 01:51:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:39,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:51:39,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:39,250 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:51:39,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:51:39,459 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:51:39,459 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:51:39,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [170415451] [2022-11-03 01:51:39,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [170415451] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:51:39,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [694839041] [2022-11-03 01:51:39,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:39,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:51:39,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:51:39,461 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:51:39,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2022-11-03 01:51:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:42,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 01:51:42,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:42,182 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:51:42,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:51:42,299 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:51:42,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [694839041] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:51:42,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500688010] [2022-11-03 01:51:42,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:42,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:51:42,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:51:42,301 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:51:42,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (149)] Waiting until timeout for monitored process [2022-11-03 01:51:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:43,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:51:43,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:43,548 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 46 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:51:43,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:51:43,801 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 01:51:43,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500688010] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:51:43,801 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-03 01:51:43,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9, 8, 10, 10] total 24 [2022-11-03 01:51:43,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647316393] [2022-11-03 01:51:43,802 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-03 01:51:43,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-03 01:51:43,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:51:43,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-03 01:51:43,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-11-03 01:51:43,804 INFO L87 Difference]: Start difference. First operand 1492 states and 1883 transitions. Second operand has 24 states, 19 states have (on average 14.947368421052632) internal successors, (284), 24 states have internal predecessors, (284), 11 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 6 states have call predecessors, (21), 11 states have call successors, (21) [2022-11-03 01:51:46,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:46,914 INFO L93 Difference]: Finished difference Result 2169 states and 2752 transitions. [2022-11-03 01:51:46,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-03 01:51:46,915 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 19 states have (on average 14.947368421052632) internal successors, (284), 24 states have internal predecessors, (284), 11 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 6 states have call predecessors, (21), 11 states have call successors, (21) Word has length 346 [2022-11-03 01:51:46,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:46,916 INFO L225 Difference]: With dead ends: 2169 [2022-11-03 01:51:46,916 INFO L226 Difference]: Without dead ends: 1108 [2022-11-03 01:51:46,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2086 GetRequests, 2044 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=334, Invalid=1226, Unknown=0, NotChecked=0, Total=1560 [2022-11-03 01:51:46,917 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 5301 mSDsluCounter, 2419 mSDsCounter, 0 mSdLazyCounter, 1152 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5301 SdHoareTripleChecker+Valid, 2692 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:46,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5301 Valid, 2692 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1152 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-03 01:51:46,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2022-11-03 01:51:47,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1098. [2022-11-03 01:51:47,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 1081 states have (on average 1.2941720629047178) internal successors, (1399), 1081 states have internal predecessors, (1399), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:51:47,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1429 transitions. [2022-11-03 01:51:47,043 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1429 transitions. Word has length 346 [2022-11-03 01:51:47,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:47,044 INFO L495 AbstractCegarLoop]: Abstraction has 1098 states and 1429 transitions. [2022-11-03 01:51:47,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 19 states have (on average 14.947368421052632) internal successors, (284), 24 states have internal predecessors, (284), 11 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 6 states have call predecessors, (21), 11 states have call successors, (21) [2022-11-03 01:51:47,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1429 transitions. [2022-11-03 01:51:47,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-03 01:51:47,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:47,049 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:51:47,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (147)] Forceful destruction successful, exit code 0 [2022-11-03 01:51:47,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (148)] Forceful destruction successful, exit code 0 [2022-11-03 01:51:47,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (149)] Forceful destruction successful, exit code 0 [2022-11-03 01:51:47,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 147 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,148 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,149 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:51:47,675 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:47,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:47,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1532583156, now seen corresponding path program 1 times [2022-11-03 01:51:47,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:51:47,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [445304993] [2022-11-03 01:51:47,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:47,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:51:47,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:51:47,680 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:51:47,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (150)] Waiting until timeout for monitored process [2022-11-03 01:51:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:49,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 01:51:49,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:51,715 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 14 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-11-03 01:51:51,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:51:51,793 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:51:51,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [445304993] [2022-11-03 01:51:51,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [445304993] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:51:51,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [787878821] [2022-11-03 01:51:51,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:51,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:51:51,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:51:51,795 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:51:51,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2022-11-03 01:51:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:55,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 01:51:55,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:58,044 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 389 proven. 82 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 01:51:58,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:51:58,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [787878821] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:51:58,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630440140] [2022-11-03 01:51:58,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:58,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:51:58,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:51:58,647 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:51:58,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (152)] Waiting until timeout for monitored process [2022-11-03 01:52:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:00,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:52:00,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:52:03,781 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 57 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-11-03 01:52:03,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:52:04,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630440140] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:52:04,116 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 01:52:04,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 19 [2022-11-03 01:52:04,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386103256] [2022-11-03 01:52:04,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 01:52:04,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-03 01:52:04,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:52:04,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-03 01:52:04,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2022-11-03 01:52:04,119 INFO L87 Difference]: Start difference. First operand 1098 states and 1429 transitions. Second operand has 19 states, 19 states have (on average 59.63157894736842) internal successors, (1133), 19 states have internal predecessors, (1133), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 01:52:47,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:52:47,495 INFO L93 Difference]: Finished difference Result 12280 states and 16357 transitions. [2022-11-03 01:52:47,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2022-11-03 01:52:47,495 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 59.63157894736842) internal successors, (1133), 19 states have internal predecessors, (1133), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 597 [2022-11-03 01:52:47,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:52:47,502 INFO L225 Difference]: With dead ends: 12280 [2022-11-03 01:52:47,503 INFO L226 Difference]: Without dead ends: 11316 [2022-11-03 01:52:47,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2930 GetRequests, 2747 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11808 ImplicationChecksByTransitivity, 28.2s TimeCoverageRelationStatistics Valid=6652, Invalid=27388, Unknown=0, NotChecked=0, Total=34040 [2022-11-03 01:52:47,508 INFO L413 NwaCegarLoop]: 2179 mSDtfsCounter, 22489 mSDsluCounter, 22033 mSDsCounter, 0 mSdLazyCounter, 5781 mSolverCounterSat, 1151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22489 SdHoareTripleChecker+Valid, 24212 SdHoareTripleChecker+Invalid, 6932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1151 IncrementalHoareTripleChecker+Valid, 5781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:52:47,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22489 Valid, 24212 Invalid, 6932 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1151 Valid, 5781 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2022-11-03 01:52:47,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11316 states. [2022-11-03 01:52:47,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11316 to 1337. [2022-11-03 01:52:47,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1337 states, 1317 states have (on average 1.319665907365224) internal successors, (1738), 1317 states have internal predecessors, (1738), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-03 01:52:47,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1774 transitions. [2022-11-03 01:52:47,721 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1774 transitions. Word has length 597 [2022-11-03 01:52:47,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:52:47,721 INFO L495 AbstractCegarLoop]: Abstraction has 1337 states and 1774 transitions. [2022-11-03 01:52:47,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 59.63157894736842) internal successors, (1133), 19 states have internal predecessors, (1133), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 01:52:47,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1774 transitions. [2022-11-03 01:52:47,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-03 01:52:47,725 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:52:47,726 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:52:47,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (151)] Forceful destruction successful, exit code 0 [2022-11-03 01:52:47,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (152)] Ended with exit code 0 [2022-11-03 01:52:48,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (150)] Forceful destruction successful, exit code 0 [2022-11-03 01:52:48,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 151 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,152 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,150 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:52:48,327 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:52:48,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:52:48,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1410519814, now seen corresponding path program 1 times [2022-11-03 01:52:48,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:52:48,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827052892] [2022-11-03 01:52:48,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:48,330 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:52:48,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:52:48,331 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:52:48,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (153)] Waiting until timeout for monitored process [2022-11-03 01:52:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:50,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 01:52:50,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:52:52,225 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 18 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-11-03 01:52:52,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:52:52,326 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:52:52,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827052892] [2022-11-03 01:52:52,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [827052892] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:52:52,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [941703842] [2022-11-03 01:52:52,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:52,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:52:52,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:52:52,329 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:52:52,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2022-11-03 01:52:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:56,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 01:52:56,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:52:59,755 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 381 proven. 90 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 01:52:59,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:53:00,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [941703842] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:53:00,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288199643] [2022-11-03 01:53:00,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:00,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:53:00,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:53:00,533 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:53:00,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (155)] Waiting until timeout for monitored process [2022-11-03 01:53:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:02,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 01:53:02,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:53:04,078 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 19 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-03 01:53:04,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:53:04,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288199643] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:53:04,323 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 01:53:04,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 20 [2022-11-03 01:53:04,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513629221] [2022-11-03 01:53:04,324 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 01:53:04,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 01:53:04,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:53:04,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 01:53:04,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-11-03 01:53:04,326 INFO L87 Difference]: Start difference. First operand 1337 states and 1774 transitions. Second operand has 20 states, 20 states have (on average 55.25) internal successors, (1105), 20 states have internal predecessors, (1105), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 01:53:39,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:39,713 INFO L93 Difference]: Finished difference Result 13744 states and 18418 transitions. [2022-11-03 01:53:39,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2022-11-03 01:53:39,713 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 55.25) internal successors, (1105), 20 states have internal predecessors, (1105), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 597 [2022-11-03 01:53:39,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:39,725 INFO L225 Difference]: With dead ends: 13744 [2022-11-03 01:53:39,725 INFO L226 Difference]: Without dead ends: 12547 [2022-11-03 01:53:39,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2925 GetRequests, 2745 SyntacticMatches, 0 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11446 ImplicationChecksByTransitivity, 21.6s TimeCoverageRelationStatistics Valid=6603, Invalid=26339, Unknown=0, NotChecked=0, Total=32942 [2022-11-03 01:53:39,731 INFO L413 NwaCegarLoop]: 2007 mSDtfsCounter, 26587 mSDsluCounter, 21662 mSDsCounter, 0 mSdLazyCounter, 5253 mSolverCounterSat, 1326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26587 SdHoareTripleChecker+Valid, 23669 SdHoareTripleChecker+Invalid, 6579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1326 IncrementalHoareTripleChecker+Valid, 5253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:39,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26587 Valid, 23669 Invalid, 6579 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1326 Valid, 5253 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2022-11-03 01:53:39,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12547 states. [2022-11-03 01:53:40,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12547 to 1347. [2022-11-03 01:53:40,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1347 states, 1327 states have (on average 1.3134890730972117) internal successors, (1743), 1327 states have internal predecessors, (1743), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-03 01:53:40,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1779 transitions. [2022-11-03 01:53:40,025 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1779 transitions. Word has length 597 [2022-11-03 01:53:40,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:40,025 INFO L495 AbstractCegarLoop]: Abstraction has 1347 states and 1779 transitions. [2022-11-03 01:53:40,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 55.25) internal successors, (1105), 20 states have internal predecessors, (1105), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 01:53:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1779 transitions. [2022-11-03 01:53:40,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-03 01:53:40,029 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:40,029 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:53:40,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (153)] Forceful destruction successful, exit code 0 [2022-11-03 01:53:40,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2022-11-03 01:53:40,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (155)] Ended with exit code 0 [2022-11-03 01:53:40,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 153 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,154 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,155 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:53:40,630 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:40,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:40,631 INFO L85 PathProgramCache]: Analyzing trace with hash 767794816, now seen corresponding path program 1 times [2022-11-03 01:53:40,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:53:40,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [358739658] [2022-11-03 01:53:40,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:40,633 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:53:40,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:53:40,634 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:53:40,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (156)] Waiting until timeout for monitored process [2022-11-03 01:53:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:42,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 01:53:42,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:53:44,571 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 20 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-03 01:53:44,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:53:44,659 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:53:44,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [358739658] [2022-11-03 01:53:44,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [358739658] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:53:44,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1553114052] [2022-11-03 01:53:44,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:44,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:53:44,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:53:44,662 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:53:44,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2022-11-03 01:53:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:48,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 01:53:48,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:53:52,628 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 377 proven. 94 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 01:53:52,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:53:53,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1553114052] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:53:53,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716112047] [2022-11-03 01:53:53,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:53,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:53:53,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:53:53,360 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:53:53,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (158)] Waiting until timeout for monitored process [2022-11-03 01:53:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:54,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:53:54,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:53:57,879 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 51 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-11-03 01:53:57,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:53:58,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716112047] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:53:58,236 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 01:53:58,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 20 [2022-11-03 01:53:58,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790460306] [2022-11-03 01:53:58,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 01:53:58,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 01:53:58,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:53:58,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 01:53:58,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-11-03 01:53:58,239 INFO L87 Difference]: Start difference. First operand 1347 states and 1779 transitions. Second operand has 20 states, 20 states have (on average 57.05) internal successors, (1141), 20 states have internal predecessors, (1141), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 01:54:33,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:33,892 INFO L93 Difference]: Finished difference Result 14124 states and 18847 transitions. [2022-11-03 01:54:33,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2022-11-03 01:54:33,893 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 57.05) internal successors, (1141), 20 states have internal predecessors, (1141), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 597 [2022-11-03 01:54:33,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:33,901 INFO L225 Difference]: With dead ends: 14124 [2022-11-03 01:54:33,901 INFO L226 Difference]: Without dead ends: 12949 [2022-11-03 01:54:33,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2926 GetRequests, 2745 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11583 ImplicationChecksByTransitivity, 21.9s TimeCoverageRelationStatistics Valid=6661, Invalid=26645, Unknown=0, NotChecked=0, Total=33306 [2022-11-03 01:54:33,904 INFO L413 NwaCegarLoop]: 2630 mSDtfsCounter, 23373 mSDsluCounter, 24268 mSDsCounter, 0 mSdLazyCounter, 5925 mSolverCounterSat, 1213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23373 SdHoareTripleChecker+Valid, 26898 SdHoareTripleChecker+Invalid, 7138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1213 IncrementalHoareTripleChecker+Valid, 5925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:33,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23373 Valid, 26898 Invalid, 7138 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1213 Valid, 5925 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2022-11-03 01:54:33,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12949 states. [2022-11-03 01:54:34,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12949 to 1355. [2022-11-03 01:54:34,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1355 states, 1335 states have (on average 1.3063670411985018) internal successors, (1744), 1335 states have internal predecessors, (1744), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-03 01:54:34,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 1780 transitions. [2022-11-03 01:54:34,158 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 1780 transitions. Word has length 597 [2022-11-03 01:54:34,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:34,158 INFO L495 AbstractCegarLoop]: Abstraction has 1355 states and 1780 transitions. [2022-11-03 01:54:34,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 57.05) internal successors, (1141), 20 states have internal predecessors, (1141), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 01:54:34,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1780 transitions. [2022-11-03 01:54:34,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-03 01:54:34,162 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:34,162 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:34,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (158)] Ended with exit code 0 [2022-11-03 01:54:34,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (156)] Ended with exit code 0 [2022-11-03 01:54:34,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (157)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:34,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 158 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,156 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,157 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:54:34,763 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:34,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:34,763 INFO L85 PathProgramCache]: Analyzing trace with hash 2043617670, now seen corresponding path program 1 times [2022-11-03 01:54:34,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:54:34,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429621719] [2022-11-03 01:54:34,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:34,766 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:54:34,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:54:34,767 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:54:34,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (159)] Waiting until timeout for monitored process [2022-11-03 01:54:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:36,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 01:54:36,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:38,127 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 22 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-11-03 01:54:38,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:54:38,201 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:54:38,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429621719] [2022-11-03 01:54:38,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1429621719] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:54:38,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [973372884] [2022-11-03 01:54:38,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:38,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:54:38,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:54:38,202 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:54:38,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2022-11-03 01:54:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:41,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 01:54:41,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:44,866 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 373 proven. 98 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 01:54:44,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:54:45,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [973372884] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:54:45,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712401375] [2022-11-03 01:54:45,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:45,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:54:45,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:54:45,568 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:54:45,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (161)] Waiting until timeout for monitored process [2022-11-03 01:54:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:46,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:54:46,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:49,510 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 53 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-03 01:54:49,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:54:49,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712401375] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:54:49,811 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 01:54:49,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 20 [2022-11-03 01:54:49,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121603769] [2022-11-03 01:54:49,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 01:54:49,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 01:54:49,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:54:49,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 01:54:49,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2022-11-03 01:54:49,814 INFO L87 Difference]: Start difference. First operand 1355 states and 1780 transitions. Second operand has 20 states, 20 states have (on average 57.35) internal successors, (1147), 20 states have internal predecessors, (1147), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 01:55:23,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:23,285 INFO L93 Difference]: Finished difference Result 14172 states and 18829 transitions. [2022-11-03 01:55:23,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2022-11-03 01:55:23,285 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 57.35) internal successors, (1147), 20 states have internal predecessors, (1147), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 597 [2022-11-03 01:55:23,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:23,294 INFO L225 Difference]: With dead ends: 14172 [2022-11-03 01:55:23,294 INFO L226 Difference]: Without dead ends: 12991 [2022-11-03 01:55:23,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2926 GetRequests, 2745 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11642 ImplicationChecksByTransitivity, 20.3s TimeCoverageRelationStatistics Valid=6661, Invalid=26645, Unknown=0, NotChecked=0, Total=33306 [2022-11-03 01:55:23,297 INFO L413 NwaCegarLoop]: 2307 mSDtfsCounter, 22997 mSDsluCounter, 23140 mSDsCounter, 0 mSdLazyCounter, 5683 mSolverCounterSat, 1180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22997 SdHoareTripleChecker+Valid, 25447 SdHoareTripleChecker+Invalid, 6863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1180 IncrementalHoareTripleChecker+Valid, 5683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:23,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22997 Valid, 25447 Invalid, 6863 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1180 Valid, 5683 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-11-03 01:55:23,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12991 states. [2022-11-03 01:55:23,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12991 to 1363. [2022-11-03 01:55:23,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1363 states, 1343 states have (on average 1.2993298585256887) internal successors, (1745), 1343 states have internal predecessors, (1745), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-03 01:55:23,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1781 transitions. [2022-11-03 01:55:23,563 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1781 transitions. Word has length 597 [2022-11-03 01:55:23,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:23,564 INFO L495 AbstractCegarLoop]: Abstraction has 1363 states and 1781 transitions. [2022-11-03 01:55:23,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 57.35) internal successors, (1147), 20 states have internal predecessors, (1147), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-03 01:55:23,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1781 transitions. [2022-11-03 01:55:23,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2022-11-03 01:55:23,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:23,568 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:55:23,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (160)] Forceful destruction successful, exit code 0 [2022-11-03 01:55:23,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (161)] Ended with exit code 0 [2022-11-03 01:55:24,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (159)] Ended with exit code 0 [2022-11-03 01:55:24,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 160 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,161 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,159 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:55:24,168 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:24,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:24,169 INFO L85 PathProgramCache]: Analyzing trace with hash -2097084788, now seen corresponding path program 1 times [2022-11-03 01:55:24,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:55:24,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [15067328] [2022-11-03 01:55:24,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:24,171 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:55:24,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:55:24,172 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:55:24,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (162)] Waiting until timeout for monitored process [2022-11-03 01:55:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:26,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 01:55:26,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:55:27,507 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 24 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-11-03 01:55:27,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:55:27,584 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:55:27,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [15067328] [2022-11-03 01:55:27,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [15067328] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:55:27,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1732525057] [2022-11-03 01:55:27,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:27,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:55:27,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:55:27,585 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:55:27,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2022-11-03 01:55:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:31,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 01:55:31,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:55:34,517 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 365 proven. 106 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 01:55:34,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:55:35,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1732525057] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:55:35,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19368597] [2022-11-03 01:55:35,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:35,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:55:35,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:55:35,293 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:55:35,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b28ada4d-3566-4e7d-815c-348bb1fa1f90/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (164)] Waiting until timeout for monitored process [2022-11-03 01:55:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:36,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:55:36,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:55:39,447 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 391 proven. 41 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-03 01:55:39,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:55:39,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19368597] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:55:39,711 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 01:55:39,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 20 [2022-11-03 01:55:39,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890113123] [2022-11-03 01:55:39,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 01:55:39,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 01:55:39,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:55:39,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 01:55:39,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2022-11-03 01:55:39,714 INFO L87 Difference]: Start difference. First operand 1363 states and 1781 transitions. Second operand has 20 states, 20 states have (on average 57.15) internal successors, (1143), 20 states have internal predecessors, (1143), 6 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18)