./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32e6ff8-cecd-4588-9a86-13cd83c45405/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32e6ff8-cecd-4588-9a86-13cd83c45405/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32e6ff8-cecd-4588-9a86-13cd83c45405/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32e6ff8-cecd-4588-9a86-13cd83c45405/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32e6ff8-cecd-4588-9a86-13cd83c45405/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32e6ff8-cecd-4588-9a86-13cd83c45405/bin/uautomizer-tPACEb0tL8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0cc4860b4f5a0d0365cbcd156b11008fe087fa6dc867cdd4b4d117ba6b8a4a03 --- 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-e04fb08 [2022-11-16 12:30:13,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:30:13,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:30:13,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:30:13,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:30:13,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:30:13,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:30:13,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:30:13,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:30:13,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:30:13,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:30:13,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:30:13,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:30:13,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:30:13,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:30:13,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:30:13,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:30:13,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:30:13,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:30:13,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:30:13,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:30:13,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:30:13,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:30:13,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:30:13,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:30:13,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:30:13,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:30:13,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:30:13,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:30:13,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:30:13,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:30:13,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:30:13,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:30:13,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:30:13,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:30:13,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:30:13,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:30:13,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:30:13,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:30:13,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:30:13,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:30:13,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32e6ff8-cecd-4588-9a86-13cd83c45405/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:30:13,453 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:30:13,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:30:13,454 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:30:13,455 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:30:13,456 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:30:13,456 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:30:13,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:30:13,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:30:13,457 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:30:13,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:30:13,459 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:30:13,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:30:13,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:30:13,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:30:13,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:30:13,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:30:13,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:30:13,460 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:30:13,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:30:13,460 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:30:13,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:30:13,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:30:13,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:30:13,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:30:13,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:30:13,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:30:13,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:30:13,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:30:13,462 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:30:13,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:30:13,462 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:30:13,463 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:30:13,463 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:30:13,463 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_d32e6ff8-cecd-4588-9a86-13cd83c45405/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32e6ff8-cecd-4588-9a86-13cd83c45405/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc4860b4f5a0d0365cbcd156b11008fe087fa6dc867cdd4b4d117ba6b8a4a03 [2022-11-16 12:30:13,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:30:13,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:30:13,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:30:13,810 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:30:13,811 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:30:13,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32e6ff8-cecd-4588-9a86-13cd83c45405/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c [2022-11-16 12:30:13,896 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32e6ff8-cecd-4588-9a86-13cd83c45405/bin/uautomizer-tPACEb0tL8/data/08e5b956d/f49aba4a53de41e4af4559aae6f2f530/FLAG4e2d2a8b8 [2022-11-16 12:30:14,815 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:30:14,816 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32e6ff8-cecd-4588-9a86-13cd83c45405/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c [2022-11-16 12:30:14,854 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32e6ff8-cecd-4588-9a86-13cd83c45405/bin/uautomizer-tPACEb0tL8/data/08e5b956d/f49aba4a53de41e4af4559aae6f2f530/FLAG4e2d2a8b8 [2022-11-16 12:30:15,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32e6ff8-cecd-4588-9a86-13cd83c45405/bin/uautomizer-tPACEb0tL8/data/08e5b956d/f49aba4a53de41e4af4559aae6f2f530 [2022-11-16 12:30:15,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:30:15,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:30:15,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:30:15,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:30:15,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:30:15,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:30:15" (1/1) ... [2022-11-16 12:30:15,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7047eecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:15, skipping insertion in model container [2022-11-16 12:30:15,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:30:15" (1/1) ... [2022-11-16 12:30:15,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:30:15,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:30:15,859 WARN L229 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_d32e6ff8-cecd-4588-9a86-13cd83c45405/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c[2216,2229] [2022-11-16 12:30:16,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:30:16,788 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:30:16,803 WARN L229 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_d32e6ff8-cecd-4588-9a86-13cd83c45405/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c[2216,2229] [2022-11-16 12:30:17,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:30:17,355 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:30:17,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:17 WrapperNode [2022-11-16 12:30:17,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:30:17,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:30:17,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:30:17,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:30:17,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:17" (1/1) ... [2022-11-16 12:30:17,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:17" (1/1) ... [2022-11-16 12:30:18,233 INFO L138 Inliner]: procedures = 101, calls = 6643, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 21156 [2022-11-16 12:30:18,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:30:18,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:30:18,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:30:18,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:30:18,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:17" (1/1) ... [2022-11-16 12:30:18,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:17" (1/1) ... [2022-11-16 12:30:18,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:17" (1/1) ... [2022-11-16 12:30:18,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:17" (1/1) ... [2022-11-16 12:30:18,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:17" (1/1) ... [2022-11-16 12:30:18,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:17" (1/1) ... [2022-11-16 12:30:18,990 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:17" (1/1) ... [2022-11-16 12:30:19,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:17" (1/1) ... [2022-11-16 12:30:19,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:30:19,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:30:19,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:30:19,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:30:19,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:17" (1/1) ... [2022-11-16 12:30:19,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:30:19,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32e6ff8-cecd-4588-9a86-13cd83c45405/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:30:19,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32e6ff8-cecd-4588-9a86-13cd83c45405/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:30:19,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32e6ff8-cecd-4588-9a86-13cd83c45405/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:30:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-11-16 12:30:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-11-16 12:30:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-11-16 12:30:19,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-11-16 12:30:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:30:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-11-16 12:30:19,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-11-16 12:30:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-11-16 12:30:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-11-16 12:30:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-11-16 12:30:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-11-16 12:30:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-11-16 12:30:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-11-16 12:30:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-11-16 12:30:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-11-16 12:30:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-11-16 12:30:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-11-16 12:30:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-11-16 12:30:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-11-16 12:30:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:30:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-11-16 12:30:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-11-16 12:30:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-11-16 12:30:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-11-16 12:30:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-11-16 12:30:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-11-16 12:30:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-11-16 12:30:19,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-11-16 12:30:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-11-16 12:30:19,166 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-11-16 12:30:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-11-16 12:30:19,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-11-16 12:30:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-11-16 12:30:19,167 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-11-16 12:30:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:30:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-11-16 12:30:19,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-11-16 12:30:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-11-16 12:30:19,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-11-16 12:30:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-11-16 12:30:19,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-11-16 12:30:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-11-16 12:30:19,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-11-16 12:30:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-11-16 12:30:19,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-11-16 12:30:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-11-16 12:30:19,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-11-16 12:30:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-11-16 12:30:19,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-11-16 12:30:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-11-16 12:30:19,170 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-11-16 12:30:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-11-16 12:30:19,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-11-16 12:30:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-11-16 12:30:19,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-11-16 12:30:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-11-16 12:30:19,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-11-16 12:30:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-11-16 12:30:19,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-11-16 12:30:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-11-16 12:30:19,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-11-16 12:30:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-11-16 12:30:19,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-11-16 12:30:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-11-16 12:30:19,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-11-16 12:30:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-11-16 12:30:19,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-11-16 12:30:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-11-16 12:30:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-11-16 12:30:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-11-16 12:30:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-11-16 12:30:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-11-16 12:30:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-11-16 12:30:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-11-16 12:30:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-11-16 12:30:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-11-16 12:30:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-11-16 12:30:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-11-16 12:30:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-11-16 12:30:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-11-16 12:30:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-11-16 12:30:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-11-16 12:30:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-11-16 12:30:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-11-16 12:30:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-11-16 12:30:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2022-11-16 12:30:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2022-11-16 12:30:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:30:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-11-16 12:30:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-11-16 12:30:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:30:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:30:20,441 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:30:20,445 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:33:45,284 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:33:45,340 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:33:45,340 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 12:33:45,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:33:45 BoogieIcfgContainer [2022-11-16 12:33:45,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:33:45,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:33:45,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:33:45,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:33:45,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:30:15" (1/3) ... [2022-11-16 12:33:45,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d166c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:33:45, skipping insertion in model container [2022-11-16 12:33:45,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:17" (2/3) ... [2022-11-16 12:33:45,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d166c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:33:45, skipping insertion in model container [2022-11-16 12:33:45,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:33:45" (3/3) ... [2022-11-16 12:33:45,359 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.2-1.c [2022-11-16 12:33:45,381 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:33:45,381 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:33:45,521 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:33:45,528 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=PETRI_NET, 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;@705fd780, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:33:45,529 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:33:45,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 4809 states, 4424 states have (on average 1.5476943942133816) internal successors, (6847), 4448 states have internal predecessors, (6847), 340 states have call successors, (340), 43 states have call predecessors, (340), 43 states have return successors, (340), 330 states have call predecessors, (340), 340 states have call successors, (340) [2022-11-16 12:33:45,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1934 [2022-11-16 12:33:45,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:33:45,761 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:33:45,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:45,768 INFO L85 PathProgramCache]: Analyzing trace with hash -297338650, now seen corresponding path program 1 times [2022-11-16 12:33:45,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:45,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248573028] [2022-11-16 12:33:45,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:45,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms