./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label22.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label22.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD --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 f365a0f129fa90e96f59a2a67efc46f6bd75f705664f3dab23b0f5e5824e9e07 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:15:23,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:15:23,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:15:23,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:15:23,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:15:23,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:15:23,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:15:23,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:15:23,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:15:23,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:15:23,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:15:23,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:15:23,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:15:23,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:15:23,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:15:23,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:15:23,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:15:23,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:15:23,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:15:23,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:15:23,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:15:23,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:15:23,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:15:23,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:15:23,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:15:23,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:15:23,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:15:23,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:15:23,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:15:23,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:15:23,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:15:23,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:15:23,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:15:23,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:15:23,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:15:23,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:15:23,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:15:23,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:15:23,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:15:23,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:15:23,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:15:23,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:15:23,447 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:15:23,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:15:23,448 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:15:23,448 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:15:23,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:15:23,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:15:23,450 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:15:23,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:15:23,451 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:15:23,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:15:23,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:15:23,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:15:23,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:15:23,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:15:23,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:15:23,452 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:15:23,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:15:23,452 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:15:23,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:15:23,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:15:23,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:15:23,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:15:23,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:15:23,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:15:23,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:15:23,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:15:23,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:15:23,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:15:23,455 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:15:23,455 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:15:23,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:15:23,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:15:23,456 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_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f365a0f129fa90e96f59a2a67efc46f6bd75f705664f3dab23b0f5e5824e9e07 [2021-10-28 23:15:23,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:15:23,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:15:23,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:15:23,758 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:15:23,759 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:15:23,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/eca-rers2012/Problem03_label22.c [2021-10-28 23:15:23,842 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/data/b911d0524/1a61ff09606645a38214803359a5c99e/FLAG14b514d97 [2021-10-28 23:15:24,494 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:15:24,495 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/sv-benchmarks/c/eca-rers2012/Problem03_label22.c [2021-10-28 23:15:24,520 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/data/b911d0524/1a61ff09606645a38214803359a5c99e/FLAG14b514d97 [2021-10-28 23:15:24,683 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/data/b911d0524/1a61ff09606645a38214803359a5c99e [2021-10-28 23:15:24,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:15:24,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:15:24,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:15:24,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:15:24,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:15:24,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:15:24" (1/1) ... [2021-10-28 23:15:24,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d0219f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:24, skipping insertion in model container [2021-10-28 23:15:24,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:15:24" (1/1) ... [2021-10-28 23:15:24,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:15:24,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:15:25,492 WARN L228 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_bc518a47-1ab4-4cb5-b227-c82731e2e52e/sv-benchmarks/c/eca-rers2012/Problem03_label22.c[56764,56777] [2021-10-28 23:15:25,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:15:25,549 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:15:25,939 WARN L228 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_bc518a47-1ab4-4cb5-b227-c82731e2e52e/sv-benchmarks/c/eca-rers2012/Problem03_label22.c[56764,56777] [2021-10-28 23:15:25,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:15:25,975 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:15:25,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:25 WrapperNode [2021-10-28 23:15:25,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:15:25,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:15:25,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:15:25,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:15:25,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:25" (1/1) ... [2021-10-28 23:15:26,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:25" (1/1) ... [2021-10-28 23:15:26,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:15:26,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:15:26,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:15:26,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:15:26,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:25" (1/1) ... [2021-10-28 23:15:26,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:25" (1/1) ... [2021-10-28 23:15:26,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:25" (1/1) ... [2021-10-28 23:15:26,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:25" (1/1) ... [2021-10-28 23:15:26,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:25" (1/1) ... [2021-10-28 23:15:26,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:25" (1/1) ... [2021-10-28 23:15:26,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:25" (1/1) ... [2021-10-28 23:15:26,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:15:26,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:15:26,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:15:26,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:15:26,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:25" (1/1) ... [2021-10-28 23:15:26,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:15:26,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:26,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:26,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:15:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:15:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:15:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:15:26,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:15:28,420 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:15:28,421 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:15:28,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:15:28 BoogieIcfgContainer [2021-10-28 23:15:28,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:15:28,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:15:28,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:15:28,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:15:28,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:15:24" (1/3) ... [2021-10-28 23:15:28,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6953db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:15:28, skipping insertion in model container [2021-10-28 23:15:28,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:25" (2/3) ... [2021-10-28 23:15:28,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6953db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:15:28, skipping insertion in model container [2021-10-28 23:15:28,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:15:28" (3/3) ... [2021-10-28 23:15:28,435 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label22.c [2021-10-28 23:15:28,443 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:15:28,444 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:15:28,508 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:15:28,516 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:15:28,516 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:15:28,546 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:28,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-10-28 23:15:28,566 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:28,567 INFO L513 BasicCegarLoop]: 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] [2021-10-28 23:15:28,567 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:28,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:28,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1133598669, now seen corresponding path program 1 times [2021-10-28 23:15:28,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:28,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083216168] [2021-10-28 23:15:28,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:28,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:29,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:29,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:29,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083216168] [2021-10-28 23:15:29,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083216168] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:29,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:29,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:15:29,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856041490] [2021-10-28 23:15:29,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:29,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:29,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:29,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:29,301 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:30,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:30,581 INFO L93 Difference]: Finished difference Result 857 states and 1498 transitions. [2021-10-28 23:15:30,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:30,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 167 [2021-10-28 23:15:30,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:30,602 INFO L225 Difference]: With dead ends: 857 [2021-10-28 23:15:30,603 INFO L226 Difference]: Without dead ends: 462 [2021-10-28 23:15:30,610 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:30,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-10-28 23:15:30,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 460. [2021-10-28 23:15:30,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 459 states have (on average 1.5381263616557734) internal successors, (706), 459 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:30,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 706 transitions. [2021-10-28 23:15:30,683 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 706 transitions. Word has length 167 [2021-10-28 23:15:30,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:30,684 INFO L470 AbstractCegarLoop]: Abstraction has 460 states and 706 transitions. [2021-10-28 23:15:30,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:30,685 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 706 transitions. [2021-10-28 23:15:30,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-10-28 23:15:30,690 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:30,690 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 23:15:30,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:15:30,691 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:30,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:30,691 INFO L85 PathProgramCache]: Analyzing trace with hash 166120884, now seen corresponding path program 1 times [2021-10-28 23:15:30,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:30,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469597429] [2021-10-28 23:15:30,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:30,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:30,781 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:30,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:30,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469597429] [2021-10-28 23:15:30,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469597429] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:30,782 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:30,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:15:30,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187934224] [2021-10-28 23:15:30,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:30,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:30,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:30,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:30,786 INFO L87 Difference]: Start difference. First operand 460 states and 706 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:31,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:31,752 INFO L93 Difference]: Finished difference Result 1344 states and 2079 transitions. [2021-10-28 23:15:31,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:31,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 175 [2021-10-28 23:15:31,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:31,759 INFO L225 Difference]: With dead ends: 1344 [2021-10-28 23:15:31,759 INFO L226 Difference]: Without dead ends: 886 [2021-10-28 23:15:31,760 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:31,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2021-10-28 23:15:31,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 870. [2021-10-28 23:15:31,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 869 states have (on average 1.5120828538550057) internal successors, (1314), 869 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:31,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1314 transitions. [2021-10-28 23:15:31,801 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1314 transitions. Word has length 175 [2021-10-28 23:15:31,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:31,802 INFO L470 AbstractCegarLoop]: Abstraction has 870 states and 1314 transitions. [2021-10-28 23:15:31,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:31,802 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1314 transitions. [2021-10-28 23:15:31,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-10-28 23:15:31,810 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:31,811 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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] [2021-10-28 23:15:31,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:15:31,811 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:31,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:31,812 INFO L85 PathProgramCache]: Analyzing trace with hash 2000740269, now seen corresponding path program 1 times [2021-10-28 23:15:31,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:31,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870986950] [2021-10-28 23:15:31,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:31,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:31,916 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:15:31,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:31,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870986950] [2021-10-28 23:15:31,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870986950] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:31,917 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:31,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:15:31,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127201258] [2021-10-28 23:15:31,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:31,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:31,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:31,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:31,920 INFO L87 Difference]: Start difference. First operand 870 states and 1314 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:32,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:32,837 INFO L93 Difference]: Finished difference Result 2554 states and 3869 transitions. [2021-10-28 23:15:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:32,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2021-10-28 23:15:32,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:32,848 INFO L225 Difference]: With dead ends: 2554 [2021-10-28 23:15:32,848 INFO L226 Difference]: Without dead ends: 1686 [2021-10-28 23:15:32,849 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:32,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2021-10-28 23:15:32,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1684. [2021-10-28 23:15:32,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1683 states have (on average 1.3368983957219251) internal successors, (2250), 1683 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:32,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2250 transitions. [2021-10-28 23:15:32,903 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2250 transitions. Word has length 187 [2021-10-28 23:15:32,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:32,907 INFO L470 AbstractCegarLoop]: Abstraction has 1684 states and 2250 transitions. [2021-10-28 23:15:32,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:32,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2250 transitions. [2021-10-28 23:15:32,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-10-28 23:15:32,914 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:32,915 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 23:15:32,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:15:32,916 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:32,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:32,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1982576624, now seen corresponding path program 1 times [2021-10-28 23:15:32,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:32,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038739443] [2021-10-28 23:15:32,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:32,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:33,047 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:33,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:33,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038739443] [2021-10-28 23:15:33,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038739443] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:33,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:33,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:15:33,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662051762] [2021-10-28 23:15:33,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:33,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:33,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:33,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:33,056 INFO L87 Difference]: Start difference. First operand 1684 states and 2250 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:33,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:33,982 INFO L93 Difference]: Finished difference Result 5005 states and 6690 transitions. [2021-10-28 23:15:33,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:33,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 190 [2021-10-28 23:15:33,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:34,003 INFO L225 Difference]: With dead ends: 5005 [2021-10-28 23:15:34,004 INFO L226 Difference]: Without dead ends: 3323 [2021-10-28 23:15:34,008 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:34,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3323 states. [2021-10-28 23:15:34,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3323 to 3320. [2021-10-28 23:15:34,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3320 states, 3319 states have (on average 1.2853269056944863) internal successors, (4266), 3319 states have internal predecessors, (4266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:34,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 3320 states and 4266 transitions. [2021-10-28 23:15:34,140 INFO L78 Accepts]: Start accepts. Automaton has 3320 states and 4266 transitions. Word has length 190 [2021-10-28 23:15:34,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:34,140 INFO L470 AbstractCegarLoop]: Abstraction has 3320 states and 4266 transitions. [2021-10-28 23:15:34,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:34,141 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 4266 transitions. [2021-10-28 23:15:34,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-10-28 23:15:34,149 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:34,149 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 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] [2021-10-28 23:15:34,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:15:34,150 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:34,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:34,151 INFO L85 PathProgramCache]: Analyzing trace with hash 326250757, now seen corresponding path program 1 times [2021-10-28 23:15:34,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:34,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891139240] [2021-10-28 23:15:34,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:34,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:34,295 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:15:34,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:34,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891139240] [2021-10-28 23:15:34,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891139240] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:34,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:34,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:15:34,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767256556] [2021-10-28 23:15:34,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:34,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:34,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:34,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:34,300 INFO L87 Difference]: Start difference. First operand 3320 states and 4266 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:35,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:35,302 INFO L93 Difference]: Finished difference Result 9900 states and 12723 transitions. [2021-10-28 23:15:35,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:35,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 202 [2021-10-28 23:15:35,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:35,341 INFO L225 Difference]: With dead ends: 9900 [2021-10-28 23:15:35,341 INFO L226 Difference]: Without dead ends: 6582 [2021-10-28 23:15:35,348 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:35,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6582 states. [2021-10-28 23:15:35,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6582 to 6577. [2021-10-28 23:15:35,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6577 states, 6576 states have (on average 1.224756690997567) internal successors, (8054), 6576 states have internal predecessors, (8054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:35,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6577 states to 6577 states and 8054 transitions. [2021-10-28 23:15:35,585 INFO L78 Accepts]: Start accepts. Automaton has 6577 states and 8054 transitions. Word has length 202 [2021-10-28 23:15:35,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:35,586 INFO L470 AbstractCegarLoop]: Abstraction has 6577 states and 8054 transitions. [2021-10-28 23:15:35,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:35,587 INFO L276 IsEmpty]: Start isEmpty. Operand 6577 states and 8054 transitions. [2021-10-28 23:15:35,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-10-28 23:15:35,601 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:35,601 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:15:35,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:15:35,602 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:35,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:35,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1195043644, now seen corresponding path program 1 times [2021-10-28 23:15:35,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:35,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633732435] [2021-10-28 23:15:35,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:35,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:35,714 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:35,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:35,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633732435] [2021-10-28 23:15:35,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633732435] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:35,716 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:35,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:15:35,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784768073] [2021-10-28 23:15:35,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:35,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:35,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:35,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:35,718 INFO L87 Difference]: Start difference. First operand 6577 states and 8054 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 2 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:36,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:36,687 INFO L93 Difference]: Finished difference Result 16027 states and 19631 transitions. [2021-10-28 23:15:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:36,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 2 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 208 [2021-10-28 23:15:36,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:36,744 INFO L225 Difference]: With dead ends: 16027 [2021-10-28 23:15:36,744 INFO L226 Difference]: Without dead ends: 9452 [2021-10-28 23:15:36,752 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:36,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9452 states. [2021-10-28 23:15:36,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9452 to 9439. [2021-10-28 23:15:37,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9439 states, 9438 states have (on average 1.21371053189235) internal successors, (11455), 9438 states have internal predecessors, (11455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:37,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9439 states to 9439 states and 11455 transitions. [2021-10-28 23:15:37,031 INFO L78 Accepts]: Start accepts. Automaton has 9439 states and 11455 transitions. Word has length 208 [2021-10-28 23:15:37,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:37,032 INFO L470 AbstractCegarLoop]: Abstraction has 9439 states and 11455 transitions. [2021-10-28 23:15:37,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 2 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:37,033 INFO L276 IsEmpty]: Start isEmpty. Operand 9439 states and 11455 transitions. [2021-10-28 23:15:37,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-10-28 23:15:37,051 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:37,051 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:37,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:15:37,052 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:37,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:37,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1486955153, now seen corresponding path program 1 times [2021-10-28 23:15:37,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:37,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639174212] [2021-10-28 23:15:37,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:37,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:37,196 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:37,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:37,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639174212] [2021-10-28 23:15:37,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639174212] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:15:37,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388353865] [2021-10-28 23:15:37,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:37,198 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:15:37,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:37,204 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:15:37,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:15:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:37,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:15:37,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:15:38,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388353865] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:38,090 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:15:38,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 23:15:38,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839360390] [2021-10-28 23:15:38,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:38,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:38,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:38,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:38,093 INFO L87 Difference]: Start difference. First operand 9439 states and 11455 transitions. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:38,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:38,959 INFO L93 Difference]: Finished difference Result 18879 states and 22913 transitions. [2021-10-28 23:15:38,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:38,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215 [2021-10-28 23:15:38,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:39,016 INFO L225 Difference]: With dead ends: 18879 [2021-10-28 23:15:39,017 INFO L226 Difference]: Without dead ends: 9442 [2021-10-28 23:15:39,028 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:39,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9442 states. [2021-10-28 23:15:39,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9442 to 9439. [2021-10-28 23:15:39,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9439 states, 9438 states have (on average 1.2057639330366603) internal successors, (11380), 9438 states have internal predecessors, (11380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:39,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9439 states to 9439 states and 11380 transitions. [2021-10-28 23:15:39,232 INFO L78 Accepts]: Start accepts. Automaton has 9439 states and 11380 transitions. Word has length 215 [2021-10-28 23:15:39,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:39,233 INFO L470 AbstractCegarLoop]: Abstraction has 9439 states and 11380 transitions. [2021-10-28 23:15:39,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:39,234 INFO L276 IsEmpty]: Start isEmpty. Operand 9439 states and 11380 transitions. [2021-10-28 23:15:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-10-28 23:15:39,253 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:39,254 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 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] [2021-10-28 23:15:39,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:39,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-10-28 23:15:39,479 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:39,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:39,480 INFO L85 PathProgramCache]: Analyzing trace with hash 853347488, now seen corresponding path program 1 times [2021-10-28 23:15:39,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:39,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722740665] [2021-10-28 23:15:39,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:39,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:39,617 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-28 23:15:39,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:39,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722740665] [2021-10-28 23:15:39,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722740665] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:39,618 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:39,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:15:39,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379718168] [2021-10-28 23:15:39,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:39,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:39,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:39,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:39,621 INFO L87 Difference]: Start difference. First operand 9439 states and 11380 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:40,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:40,641 INFO L93 Difference]: Finished difference Result 22141 states and 26801 transitions. [2021-10-28 23:15:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:40,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 225 [2021-10-28 23:15:40,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:40,666 INFO L225 Difference]: With dead ends: 22141 [2021-10-28 23:15:40,666 INFO L226 Difference]: Without dead ends: 12704 [2021-10-28 23:15:40,678 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:40,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12704 states. [2021-10-28 23:15:40,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12704 to 11873. [2021-10-28 23:15:40,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11873 states, 11872 states have (on average 1.1862365229110512) internal successors, (14083), 11872 states have internal predecessors, (14083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:40,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11873 states to 11873 states and 14083 transitions. [2021-10-28 23:15:40,929 INFO L78 Accepts]: Start accepts. Automaton has 11873 states and 14083 transitions. Word has length 225 [2021-10-28 23:15:40,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:40,930 INFO L470 AbstractCegarLoop]: Abstraction has 11873 states and 14083 transitions. [2021-10-28 23:15:40,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:40,930 INFO L276 IsEmpty]: Start isEmpty. Operand 11873 states and 14083 transitions. [2021-10-28 23:15:40,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-10-28 23:15:40,957 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:40,958 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 23:15:40,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:15:40,958 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:40,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:40,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1197379301, now seen corresponding path program 1 times [2021-10-28 23:15:40,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:40,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912317042] [2021-10-28 23:15:40,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:40,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:41,096 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-28 23:15:41,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:41,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912317042] [2021-10-28 23:15:41,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912317042] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:41,100 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:41,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:15:41,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595133229] [2021-10-28 23:15:41,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:15:41,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:41,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:15:41,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:15:41,106 INFO L87 Difference]: Start difference. First operand 11873 states and 14083 transitions. Second operand has 4 states, 4 states have (on average 53.0) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:42,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:42,547 INFO L93 Difference]: Finished difference Result 23163 states and 27521 transitions. [2021-10-28 23:15:42,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:15:42,548 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 53.0) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 241 [2021-10-28 23:15:42,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:42,571 INFO L225 Difference]: With dead ends: 23163 [2021-10-28 23:15:42,571 INFO L226 Difference]: Without dead ends: 11698 [2021-10-28 23:15:42,583 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:15:42,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11698 states. [2021-10-28 23:15:42,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11698 to 10653. [2021-10-28 23:15:42,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10653 states, 10652 states have (on average 1.1931092752534735) internal successors, (12709), 10652 states have internal predecessors, (12709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:42,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10653 states to 10653 states and 12709 transitions. [2021-10-28 23:15:42,850 INFO L78 Accepts]: Start accepts. Automaton has 10653 states and 12709 transitions. Word has length 241 [2021-10-28 23:15:42,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:42,851 INFO L470 AbstractCegarLoop]: Abstraction has 10653 states and 12709 transitions. [2021-10-28 23:15:42,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.0) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand 10653 states and 12709 transitions. [2021-10-28 23:15:42,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-10-28 23:15:42,869 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:42,870 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 23:15:42,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:15:42,870 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:42,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:42,871 INFO L85 PathProgramCache]: Analyzing trace with hash -178927718, now seen corresponding path program 1 times [2021-10-28 23:15:42,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:42,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439970241] [2021-10-28 23:15:42,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:42,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:42,989 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 92 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-10-28 23:15:42,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:42,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439970241] [2021-10-28 23:15:42,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439970241] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:15:42,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904566152] [2021-10-28 23:15:42,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:42,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:15:42,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:42,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:15:43,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 23:15:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:43,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:15:43,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:43,836 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-10-28 23:15:43,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904566152] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:43,836 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:15:43,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-28 23:15:43,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755664708] [2021-10-28 23:15:43,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:43,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:43,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:43,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:43,839 INFO L87 Difference]: Start difference. First operand 10653 states and 12709 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 2 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:44,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:44,335 INFO L93 Difference]: Finished difference Result 20862 states and 24885 transitions. [2021-10-28 23:15:44,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:44,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 2 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 248 [2021-10-28 23:15:44,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:44,354 INFO L225 Difference]: With dead ends: 20862 [2021-10-28 23:15:44,354 INFO L226 Difference]: Without dead ends: 10617 [2021-10-28 23:15:44,364 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:44,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10617 states. [2021-10-28 23:15:44,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10617 to 10617. [2021-10-28 23:15:44,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10617 states, 10616 states have (on average 1.183779201205727) internal successors, (12567), 10616 states have internal predecessors, (12567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:44,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10617 states to 10617 states and 12567 transitions. [2021-10-28 23:15:44,509 INFO L78 Accepts]: Start accepts. Automaton has 10617 states and 12567 transitions. Word has length 248 [2021-10-28 23:15:44,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:44,510 INFO L470 AbstractCegarLoop]: Abstraction has 10617 states and 12567 transitions. [2021-10-28 23:15:44,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 2 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:44,510 INFO L276 IsEmpty]: Start isEmpty. Operand 10617 states and 12567 transitions. [2021-10-28 23:15:44,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-10-28 23:15:44,531 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:44,531 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:44,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:44,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:15:44,752 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:44,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:44,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1655882943, now seen corresponding path program 1 times [2021-10-28 23:15:44,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:44,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364139934] [2021-10-28 23:15:44,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:44,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:44,914 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 94 proven. 6 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-10-28 23:15:44,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:44,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364139934] [2021-10-28 23:15:44,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364139934] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:15:44,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585850241] [2021-10-28 23:15:44,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:44,916 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:15:44,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:44,920 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:15:44,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 23:15:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:45,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:15:45,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:15:45,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585850241] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:45,865 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:15:45,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 23:15:45,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635179135] [2021-10-28 23:15:45,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:45,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:45,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:45,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:45,868 INFO L87 Difference]: Start difference. First operand 10617 states and 12567 transitions. Second operand has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:46,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:46,793 INFO L93 Difference]: Finished difference Result 25498 states and 30619 transitions. [2021-10-28 23:15:46,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:46,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 276 [2021-10-28 23:15:46,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:46,818 INFO L225 Difference]: With dead ends: 25498 [2021-10-28 23:15:46,819 INFO L226 Difference]: Without dead ends: 15086 [2021-10-28 23:15:46,831 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:46,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15086 states. [2021-10-28 23:15:47,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15086 to 14677. [2021-10-28 23:15:47,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14677 states, 14676 states have (on average 1.1558326519487598) internal successors, (16963), 14676 states have internal predecessors, (16963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:47,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14677 states to 14677 states and 16963 transitions. [2021-10-28 23:15:47,114 INFO L78 Accepts]: Start accepts. Automaton has 14677 states and 16963 transitions. Word has length 276 [2021-10-28 23:15:47,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:47,115 INFO L470 AbstractCegarLoop]: Abstraction has 14677 states and 16963 transitions. [2021-10-28 23:15:47,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:47,115 INFO L276 IsEmpty]: Start isEmpty. Operand 14677 states and 16963 transitions. [2021-10-28 23:15:47,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-10-28 23:15:47,140 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:47,140 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:47,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:47,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:15:47,356 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:47,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:47,357 INFO L85 PathProgramCache]: Analyzing trace with hash 819492618, now seen corresponding path program 1 times [2021-10-28 23:15:47,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:47,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729916630] [2021-10-28 23:15:47,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:47,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-28 23:15:47,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:47,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729916630] [2021-10-28 23:15:47,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729916630] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:47,515 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:47,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:15:47,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323239906] [2021-10-28 23:15:47,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:15:47,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:47,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:15:47,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:15:47,518 INFO L87 Difference]: Start difference. First operand 14677 states and 16963 transitions. Second operand has 4 states, 4 states have (on average 62.75) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:48,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:48,544 INFO L93 Difference]: Finished difference Result 34235 states and 39936 transitions. [2021-10-28 23:15:48,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:15:48,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.75) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 285 [2021-10-28 23:15:48,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:48,578 INFO L225 Difference]: With dead ends: 34235 [2021-10-28 23:15:48,578 INFO L226 Difference]: Without dead ends: 18748 [2021-10-28 23:15:48,591 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:15:48,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18748 states. [2021-10-28 23:15:48,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18748 to 18341. [2021-10-28 23:15:48,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18341 states, 18340 states have (on average 1.0984187568157033) internal successors, (20145), 18340 states have internal predecessors, (20145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:48,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18341 states to 18341 states and 20145 transitions. [2021-10-28 23:15:48,954 INFO L78 Accepts]: Start accepts. Automaton has 18341 states and 20145 transitions. Word has length 285 [2021-10-28 23:15:48,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:48,955 INFO L470 AbstractCegarLoop]: Abstraction has 18341 states and 20145 transitions. [2021-10-28 23:15:48,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.75) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:48,956 INFO L276 IsEmpty]: Start isEmpty. Operand 18341 states and 20145 transitions. [2021-10-28 23:15:48,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-10-28 23:15:48,976 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:48,977 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:15:48,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 23:15:48,977 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:48,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:48,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1813899320, now seen corresponding path program 1 times [2021-10-28 23:15:48,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:48,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109149478] [2021-10-28 23:15:48,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:48,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:49,136 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:49,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:49,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109149478] [2021-10-28 23:15:49,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109149478] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:49,137 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:49,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:15:49,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752256450] [2021-10-28 23:15:49,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:49,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:49,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:49,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:49,143 INFO L87 Difference]: Start difference. First operand 18341 states and 20145 transitions. Second operand has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 2 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:50,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:50,019 INFO L93 Difference]: Finished difference Result 38920 states and 42688 transitions. [2021-10-28 23:15:50,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:50,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 2 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 293 [2021-10-28 23:15:50,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:50,046 INFO L225 Difference]: With dead ends: 38920 [2021-10-28 23:15:50,046 INFO L226 Difference]: Without dead ends: 20784 [2021-10-28 23:15:50,053 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:50,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20784 states. [2021-10-28 23:15:50,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20784 to 20580. [2021-10-28 23:15:50,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20580 states, 20579 states have (on average 1.0952913163904952) internal successors, (22540), 20579 states have internal predecessors, (22540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:50,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20580 states to 20580 states and 22540 transitions. [2021-10-28 23:15:50,337 INFO L78 Accepts]: Start accepts. Automaton has 20580 states and 22540 transitions. Word has length 293 [2021-10-28 23:15:50,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:50,337 INFO L470 AbstractCegarLoop]: Abstraction has 20580 states and 22540 transitions. [2021-10-28 23:15:50,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 2 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:50,338 INFO L276 IsEmpty]: Start isEmpty. Operand 20580 states and 22540 transitions. [2021-10-28 23:15:50,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-10-28 23:15:50,359 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:50,359 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 23:15:50,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 23:15:50,360 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:50,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:50,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1246965763, now seen corresponding path program 1 times [2021-10-28 23:15:50,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:50,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176594089] [2021-10-28 23:15:50,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:50,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:50,716 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:15:50,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:50,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176594089] [2021-10-28 23:15:50,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176594089] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:50,717 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:50,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:15:50,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603396329] [2021-10-28 23:15:50,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:15:50,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:50,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:15:50,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:15:50,721 INFO L87 Difference]: Start difference. First operand 20580 states and 22540 transitions. Second operand has 4 states, 4 states have (on average 75.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:51,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:51,897 INFO L93 Difference]: Finished difference Result 46236 states and 50403 transitions. [2021-10-28 23:15:51,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:15:51,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 75.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 300 [2021-10-28 23:15:51,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:51,932 INFO L225 Difference]: With dead ends: 46236 [2021-10-28 23:15:51,933 INFO L226 Difference]: Without dead ends: 25658 [2021-10-28 23:15:51,948 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:15:51,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25658 states. [2021-10-28 23:15:52,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25658 to 20783. [2021-10-28 23:15:52,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20783 states, 20782 states have (on average 1.093013184486575) internal successors, (22715), 20782 states have internal predecessors, (22715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:52,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20783 states to 20783 states and 22715 transitions. [2021-10-28 23:15:52,435 INFO L78 Accepts]: Start accepts. Automaton has 20783 states and 22715 transitions. Word has length 300 [2021-10-28 23:15:52,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:52,435 INFO L470 AbstractCegarLoop]: Abstraction has 20783 states and 22715 transitions. [2021-10-28 23:15:52,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:52,435 INFO L276 IsEmpty]: Start isEmpty. Operand 20783 states and 22715 transitions. [2021-10-28 23:15:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-10-28 23:15:52,459 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:52,460 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:52,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 23:15:52,460 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:52,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:52,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1212668539, now seen corresponding path program 1 times [2021-10-28 23:15:52,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:52,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349285885] [2021-10-28 23:15:52,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:52,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:52,608 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 111 proven. 6 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-10-28 23:15:52,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:52,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349285885] [2021-10-28 23:15:52,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349285885] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:15:52,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613425632] [2021-10-28 23:15:52,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:52,609 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:15:52,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:52,611 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:15:52,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 23:15:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:53,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:15:53,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:53,934 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-28 23:15:53,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613425632] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:53,935 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:15:53,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 23:15:53,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269150583] [2021-10-28 23:15:53,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:53,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:53,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:53,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:53,938 INFO L87 Difference]: Start difference. First operand 20783 states and 22715 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:54,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:54,739 INFO L93 Difference]: Finished difference Result 39519 states and 43100 transitions. [2021-10-28 23:15:54,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:54,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 333 [2021-10-28 23:15:54,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:54,762 INFO L225 Difference]: With dead ends: 39519 [2021-10-28 23:15:54,763 INFO L226 Difference]: Without dead ends: 18941 [2021-10-28 23:15:54,776 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:54,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18941 states. [2021-10-28 23:15:55,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18941 to 18532. [2021-10-28 23:15:55,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18532 states, 18531 states have (on average 1.0725271167233286) internal successors, (19875), 18531 states have internal predecessors, (19875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:55,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18532 states to 18532 states and 19875 transitions. [2021-10-28 23:15:55,177 INFO L78 Accepts]: Start accepts. Automaton has 18532 states and 19875 transitions. Word has length 333 [2021-10-28 23:15:55,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:55,178 INFO L470 AbstractCegarLoop]: Abstraction has 18532 states and 19875 transitions. [2021-10-28 23:15:55,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:55,178 INFO L276 IsEmpty]: Start isEmpty. Operand 18532 states and 19875 transitions. [2021-10-28 23:15:55,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-10-28 23:15:55,207 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:55,208 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:55,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:55,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:15:55,423 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:55,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:55,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1874742227, now seen corresponding path program 1 times [2021-10-28 23:15:55,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:55,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363732999] [2021-10-28 23:15:55,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:55,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:55,582 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-10-28 23:15:55,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:55,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363732999] [2021-10-28 23:15:55,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363732999] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:55,583 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:15:55,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:15:55,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703499852] [2021-10-28 23:15:55,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:55,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:55,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:55,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:55,585 INFO L87 Difference]: Start difference. First operand 18532 states and 19875 transitions. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 2 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:56,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:56,304 INFO L93 Difference]: Finished difference Result 40119 states and 43145 transitions. [2021-10-28 23:15:56,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:56,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 2 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 351 [2021-10-28 23:15:56,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:56,328 INFO L225 Difference]: With dead ends: 40119 [2021-10-28 23:15:56,328 INFO L226 Difference]: Without dead ends: 21792 [2021-10-28 23:15:56,339 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:15:56,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21792 states. [2021-10-28 23:15:56,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21792 to 20767. [2021-10-28 23:15:56,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20767 states, 20766 states have (on average 1.077675045747857) internal successors, (22379), 20766 states have internal predecessors, (22379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:56,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20767 states to 20767 states and 22379 transitions. [2021-10-28 23:15:56,789 INFO L78 Accepts]: Start accepts. Automaton has 20767 states and 22379 transitions. Word has length 351 [2021-10-28 23:15:56,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:56,789 INFO L470 AbstractCegarLoop]: Abstraction has 20767 states and 22379 transitions. [2021-10-28 23:15:56,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 2 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:56,790 INFO L276 IsEmpty]: Start isEmpty. Operand 20767 states and 22379 transitions. [2021-10-28 23:15:56,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-10-28 23:15:56,809 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:15:56,810 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:56,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 23:15:56,810 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:15:56,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:56,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1254391138, now seen corresponding path program 1 times [2021-10-28 23:15:56,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:56,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318388370] [2021-10-28 23:15:56,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:56,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 147 proven. 6 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2021-10-28 23:15:57,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:15:57,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318388370] [2021-10-28 23:15:57,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318388370] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:15:57,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535814350] [2021-10-28 23:15:57,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:57,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:15:57,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:57,078 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:15:57,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 23:15:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:57,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:15:57,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:58,564 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-10-28 23:15:58,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535814350] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:15:58,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:15:58,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 23:15:58,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175322858] [2021-10-28 23:15:58,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:15:58,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:15:58,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:15:58,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:58,567 INFO L87 Difference]: Start difference. First operand 20767 states and 22379 transitions. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:59,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:15:59,240 INFO L93 Difference]: Finished difference Result 41132 states and 44269 transitions. [2021-10-28 23:15:59,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:15:59,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 362 [2021-10-28 23:15:59,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:15:59,241 INFO L225 Difference]: With dead ends: 41132 [2021-10-28 23:15:59,242 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:15:59,252 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:15:59,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:15:59,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:15:59,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:59,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:15:59,253 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 362 [2021-10-28 23:15:59,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:15:59,253 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:15:59,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:59,253 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:15:59,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:15:59,257 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:15:59,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:59,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-10-28 23:15:59,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:15:59,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:15:59,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:15:59,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:16:00,176 INFO L857 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-10-28 23:16:00,176 INFO L857 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-10-28 23:16:00,176 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,176 INFO L857 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-10-28 23:16:00,176 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,176 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,176 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,176 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,176 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,177 INFO L857 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,177 INFO L857 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,177 INFO L857 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,177 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,177 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,177 INFO L857 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-10-28 23:16:00,177 INFO L857 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-10-28 23:16:00,177 INFO L857 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-10-28 23:16:00,177 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,177 INFO L857 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-10-28 23:16:00,177 INFO L857 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-10-28 23:16:00,178 INFO L857 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,178 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,178 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,178 INFO L857 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,178 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,178 INFO L857 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,178 INFO L857 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,178 INFO L857 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,178 INFO L857 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,178 INFO L857 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-10-28 23:16:00,178 INFO L857 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-10-28 23:16:00,179 INFO L857 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-10-28 23:16:00,179 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,179 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,179 INFO L857 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,179 INFO L857 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,179 INFO L857 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,179 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,179 INFO L857 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-10-28 23:16:00,179 INFO L857 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-10-28 23:16:00,179 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,179 INFO L857 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-10-28 23:16:00,179 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,180 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-10-28 23:16:00,180 INFO L857 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-10-28 23:16:00,180 INFO L857 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,180 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,180 INFO L857 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,180 INFO L857 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,180 INFO L857 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,180 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,180 INFO L857 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,180 INFO L857 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-10-28 23:16:00,180 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,181 INFO L857 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-10-28 23:16:00,181 INFO L857 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-10-28 23:16:00,181 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,181 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,181 INFO L857 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,181 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,181 INFO L857 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-10-28 23:16:00,181 INFO L857 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-10-28 23:16:00,181 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,181 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,181 INFO L857 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,182 INFO L857 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,182 INFO L857 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,182 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,182 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,182 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,182 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,182 INFO L857 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,182 INFO L857 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-10-28 23:16:00,182 INFO L857 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-10-28 23:16:00,182 INFO L857 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-10-28 23:16:00,182 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,183 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,183 INFO L857 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,183 INFO L857 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,183 INFO L857 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,183 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,183 INFO L857 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-10-28 23:16:00,183 INFO L857 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-10-28 23:16:00,183 INFO L857 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-10-28 23:16:00,183 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,183 INFO L857 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,183 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,184 INFO L857 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,184 INFO L857 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,184 INFO L857 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,189 INFO L857 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-10-28 23:16:00,189 INFO L857 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-10-28 23:16:00,189 INFO L857 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-10-28 23:16:00,189 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,189 INFO L857 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,189 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,190 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-10-28 23:16:00,190 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,190 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-10-28 23:16:00,190 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:16:00,190 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,190 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,190 INFO L857 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-10-28 23:16:00,190 INFO L857 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-10-28 23:16:00,190 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,190 INFO L857 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,190 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,190 INFO L857 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,190 INFO L857 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,191 INFO L857 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,191 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,191 INFO L857 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-10-28 23:16:00,191 INFO L857 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-10-28 23:16:00,191 INFO L857 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-10-28 23:16:00,191 INFO L857 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-10-28 23:16:00,191 INFO L857 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-10-28 23:16:00,191 INFO L857 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,191 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,191 INFO L857 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,191 INFO L857 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,191 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,191 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,191 INFO L857 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,192 INFO L857 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,192 INFO L857 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,192 INFO L857 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,192 INFO L857 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-10-28 23:16:00,192 INFO L857 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-10-28 23:16:00,192 INFO L857 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-10-28 23:16:00,192 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,192 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,192 INFO L857 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,192 INFO L857 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,192 INFO L857 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,192 INFO L857 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,192 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,192 INFO L857 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,193 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,193 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:16:00,193 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1546) no Hoare annotation was computed. [2021-10-28 23:16:00,193 INFO L857 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-10-28 23:16:00,193 INFO L857 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-10-28 23:16:00,193 INFO L857 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-10-28 23:16:00,193 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-10-28 23:16:00,193 INFO L857 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-10-28 23:16:00,193 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,193 INFO L857 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,193 INFO L857 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,193 INFO L857 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,193 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,193 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,194 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,194 INFO L857 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,194 INFO L857 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-10-28 23:16:00,194 INFO L857 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-10-28 23:16:00,194 INFO L857 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-10-28 23:16:00,194 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,194 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,194 INFO L857 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,194 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-10-28 23:16:00,194 INFO L857 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-10-28 23:16:00,194 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,194 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,194 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,194 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-10-28 23:16:00,195 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,195 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-10-28 23:16:00,195 INFO L857 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,195 INFO L857 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-10-28 23:16:00,195 INFO L857 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,195 INFO L857 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,195 INFO L857 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-10-28 23:16:00,195 INFO L857 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-10-28 23:16:00,195 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-10-28 23:16:00,195 INFO L857 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-10-28 23:16:00,195 INFO L857 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-10-28 23:16:00,195 INFO L857 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-10-28 23:16:00,195 INFO L857 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-10-28 23:16:00,195 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,196 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,196 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,196 INFO L853 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse2 (<= ~a3~0 1)) (.cse6 (= ~a26~0 1)) (.cse5 (= ~a11~0 0)) (.cse3 (<= 1 ~a3~0)) (.cse7 (= ~a27~0 1)) (.cse0 (= ~a5~0 1)) (.cse1 (= ~a12~0 1)) (.cse4 (<= ~a26~0 0)) (.cse8 (= ~a11~0 1)) (.cse9 (= ~a3~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse3 .cse7) (and .cse6 .cse0 .cse3 .cse8) (and .cse6 .cse0 .cse9) (and .cse0 .cse3 .cse4 .cse8 (<= ~a6~0 0)) (and .cse0 .cse7 .cse9) (and .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse6 .cse0 .cse3 .cse5) (and .cse0 .cse3 .cse4 .cse8 .cse7) (and .cse0 .cse1 .cse4 (not .cse8) .cse9))) [2021-10-28 23:16:00,196 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,196 INFO L857 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,196 INFO L857 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,197 INFO L857 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-10-28 23:16:00,197 INFO L857 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-10-28 23:16:00,197 INFO L857 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,197 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,197 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,197 INFO L860 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-10-28 23:16:00,198 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,198 INFO L857 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,198 INFO L857 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,198 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,198 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,198 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,198 INFO L857 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-10-28 23:16:00,199 INFO L857 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-10-28 23:16:00,199 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,199 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,199 INFO L857 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,199 INFO L857 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,199 INFO L857 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,199 INFO L857 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,200 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,200 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,200 INFO L857 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,200 INFO L857 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-10-28 23:16:00,200 INFO L857 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-10-28 23:16:00,200 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,201 INFO L857 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,201 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-10-28 23:16:00,201 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-10-28 23:16:00,201 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,201 INFO L853 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse2 (<= ~a3~0 1)) (.cse6 (= ~a26~0 1)) (.cse5 (= ~a11~0 0)) (.cse3 (<= 1 ~a3~0)) (.cse7 (= ~a27~0 1)) (.cse0 (= ~a5~0 1)) (.cse1 (= ~a12~0 1)) (.cse4 (<= ~a26~0 0)) (.cse8 (= ~a11~0 1)) (.cse9 (= ~a3~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse3 .cse7) (and .cse6 .cse0 .cse3 .cse8) (and .cse6 .cse0 .cse9) (and .cse0 .cse3 .cse4 .cse8 (<= ~a6~0 0)) (and .cse0 .cse7 .cse9) (and .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse6 .cse0 .cse3 .cse5) (and .cse0 .cse3 .cse4 .cse8 .cse7) (and .cse0 .cse1 .cse4 (not .cse8) .cse9))) [2021-10-28 23:16:00,201 INFO L857 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,202 INFO L857 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,202 INFO L857 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,202 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,202 INFO L857 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-10-28 23:16:00,202 INFO L857 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-10-28 23:16:00,202 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,202 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,203 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,203 INFO L857 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,203 INFO L857 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,203 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,203 INFO L857 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,203 INFO L857 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,203 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:16:00,204 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-10-28 23:16:00,204 INFO L857 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-10-28 23:16:00,204 INFO L857 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-10-28 23:16:00,204 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,204 INFO L857 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-10-28 23:16:00,204 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,205 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,205 INFO L857 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-10-28 23:16:00,205 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,205 INFO L857 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,205 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,205 INFO L857 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,205 INFO L857 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,206 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-10-28 23:16:00,206 INFO L857 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,206 INFO L857 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-10-28 23:16:00,206 INFO L857 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-10-28 23:16:00,206 INFO L857 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-10-28 23:16:00,206 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,206 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,207 INFO L857 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,207 INFO L857 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,207 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,207 INFO L857 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,207 INFO L857 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,207 INFO L857 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,208 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-10-28 23:16:00,208 INFO L857 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-10-28 23:16:00,208 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,208 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,208 INFO L857 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-10-28 23:16:00,208 INFO L857 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-10-28 23:16:00,209 INFO L857 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-10-28 23:16:00,209 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,209 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,209 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,209 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,209 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,209 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:16:00,210 INFO L857 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,210 INFO L857 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,210 INFO L857 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,210 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,210 INFO L857 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,210 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,210 INFO L857 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-10-28 23:16:00,211 INFO L857 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-10-28 23:16:00,211 INFO L857 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-10-28 23:16:00,211 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,211 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,211 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,211 INFO L857 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,211 INFO L857 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,212 INFO L857 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,212 INFO L857 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,212 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-10-28 23:16:00,212 INFO L857 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-10-28 23:16:00,212 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,212 INFO L857 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-10-28 23:16:00,212 INFO L857 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-10-28 23:16:00,213 INFO L857 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-10-28 23:16:00,213 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,213 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,213 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,213 INFO L857 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,213 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-10-28 23:16:00,213 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-10-28 23:16:00,214 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-10-28 23:16:00,214 INFO L857 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,214 INFO L857 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,214 INFO L857 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 23:16:00,217 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:00,219 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:16:00,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:16:00 BoogieIcfgContainer [2021-10-28 23:16:00,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:16:00,239 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:16:00,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:16:00,240 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:16:00,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:15:28" (3/4) ... [2021-10-28 23:16:00,243 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:16:00,280 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 23:16:00,284 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:16:00,288 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:16:00,292 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:16:00,488 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:16:00,488 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:16:00,489 INFO L168 Benchmark]: Toolchain (without parser) took 35798.10 ms. Allocated memory was 88.1 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 48.1 MB in the beginning and 1.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 414.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:00,490 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 46.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:16:00,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1283.77 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 47.9 MB in the beginning and 72.5 MB in the end (delta: -24.6 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:00,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.90 ms. Allocated memory is still 113.2 MB. Free memory was 72.5 MB in the beginning and 57.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:00,491 INFO L168 Benchmark]: Boogie Preprocessor took 141.20 ms. Allocated memory is still 113.2 MB. Free memory was 57.8 MB in the beginning and 47.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:00,491 INFO L168 Benchmark]: RCFGBuilder took 2144.21 ms. Allocated memory was 113.2 MB in the beginning and 159.4 MB in the end (delta: 46.1 MB). Free memory was 47.8 MB in the beginning and 79.0 MB in the end (delta: -31.3 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:00,492 INFO L168 Benchmark]: TraceAbstraction took 31810.83 ms. Allocated memory was 159.4 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 79.0 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 519.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:00,492 INFO L168 Benchmark]: Witness Printer took 248.72 ms. Allocated memory is still 2.0 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 36.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:00,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 46.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1283.77 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 47.9 MB in the beginning and 72.5 MB in the end (delta: -24.6 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 159.90 ms. Allocated memory is still 113.2 MB. Free memory was 72.5 MB in the beginning and 57.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 141.20 ms. Allocated memory is still 113.2 MB. Free memory was 57.8 MB in the beginning and 47.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2144.21 ms. Allocated memory was 113.2 MB in the beginning and 159.4 MB in the end (delta: 46.1 MB). Free memory was 47.8 MB in the beginning and 79.0 MB in the end (delta: -31.3 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 31810.83 ms. Allocated memory was 159.4 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 79.0 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 519.2 MB. Max. memory is 16.1 GB. * Witness Printer took 248.72 ms. Allocated memory is still 2.0 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 36.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * 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 - PositiveResult [Line: 1546]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.7s, OverallIterations: 17, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 16.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3036 SDtfs, 3842 SDslu, 389 SDs, 0 SdLazy, 10591 SolverSat, 1870 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1474 GetRequests, 1444 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20783occurred in iteration=14, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 17 MinimizatonAttempts, 9249 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 209 NumberOfFragments, 315 HoareAnnotationTreeSize, 3 FomulaSimplifications, 6670 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 232 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 5692 NumberOfCodeBlocks, 5692 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 5670 ConstructedInterpolants, 0 QuantifiedInterpolants, 11513 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2801 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 22 InterpolantComputations, 17 PerfectInterpolantSequences, 3291/3321 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((a5 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a26 <= 0) || (((a5 == 1 && 1 <= a3) && a26 <= 0) && a11 == 0)) || ((((a26 == 1 && a5 == 1) && a3 <= 1) && 1 <= a3) && a27 == 1)) || (((a26 == 1 && a5 == 1) && 1 <= a3) && a11 == 1)) || ((a26 == 1 && a5 == 1) && a3 == 0)) || ((((a5 == 1 && 1 <= a3) && a26 <= 0) && a11 == 1) && a6 <= 0)) || ((a5 == 1 && a27 == 1) && a3 == 0)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && 1 <= a3)) || (((a26 == 1 && a5 == 1) && 1 <= a3) && a11 == 0)) || ((((a5 == 1 && 1 <= a3) && a26 <= 0) && a11 == 1) && a27 == 1)) || ((((a5 == 1 && a12 == 1) && a26 <= 0) && !(a11 == 1)) && a3 == 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((a5 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a26 <= 0) || (((a5 == 1 && 1 <= a3) && a26 <= 0) && a11 == 0)) || ((((a26 == 1 && a5 == 1) && a3 <= 1) && 1 <= a3) && a27 == 1)) || (((a26 == 1 && a5 == 1) && 1 <= a3) && a11 == 1)) || ((a26 == 1 && a5 == 1) && a3 == 0)) || ((((a5 == 1 && 1 <= a3) && a26 <= 0) && a11 == 1) && a6 <= 0)) || ((a5 == 1 && a27 == 1) && a3 == 0)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && 1 <= a3)) || (((a26 == 1 && a5 == 1) && 1 <= a3) && a11 == 0)) || ((((a5 == 1 && 1 <= a3) && a26 <= 0) && a11 == 1) && a27 == 1)) || ((((a5 == 1 && a12 == 1) && a26 <= 0) && !(a11 == 1)) && a3 == 0) RESULT: Ultimate proved your program to be correct! [2021-10-28 23:16:00,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc518a47-1ab4-4cb5-b227-c82731e2e52e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...