./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label48.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_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label48.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg --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 3f14d4f9bc9aeaf37fb25f1f86f7bc3a3a5a6ca0e3e96922bca4446f4d37ab9f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 08:55:20,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:55:20,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:55:20,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:55:20,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:55:20,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:55:20,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:55:20,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:55:20,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:55:20,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:55:20,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:55:20,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:55:20,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:55:20,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:55:20,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:55:20,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:55:20,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:55:20,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:55:20,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:55:20,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:55:20,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:55:20,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:55:20,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:55:20,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:55:20,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:55:20,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:55:20,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:55:20,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:55:20,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:55:20,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:55:20,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:55:20,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:55:20,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:55:20,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:55:20,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:55:20,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:55:20,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:55:20,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:55:20,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:55:20,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:55:20,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:55:20,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:55:20,655 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:55:20,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:55:20,656 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:55:20,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:55:20,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:55:20,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:55:20,659 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:55:20,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:55:20,659 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:55:20,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:55:20,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:55:20,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:55:20,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:55:20,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:55:20,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:55:20,662 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:55:20,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:55:20,663 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:55:20,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:55:20,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:55:20,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:55:20,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:55:20,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:55:20,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:55:20,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:55:20,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:55:20,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:55:20,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:55:20,665 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:55:20,666 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:55:20,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:55:20,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:55:20,667 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_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f14d4f9bc9aeaf37fb25f1f86f7bc3a3a5a6ca0e3e96922bca4446f4d37ab9f [2021-10-28 08:55:21,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:55:21,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:55:21,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:55:21,062 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:55:21,063 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:55:21,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/eca-rers2012/Problem03_label48.c [2021-10-28 08:55:21,155 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/data/ae5a1870c/5bd33ab2e70048b7b108cb073eb86a93/FLAG6eec0835e [2021-10-28 08:55:21,915 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:55:21,917 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/sv-benchmarks/c/eca-rers2012/Problem03_label48.c [2021-10-28 08:55:21,943 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/data/ae5a1870c/5bd33ab2e70048b7b108cb073eb86a93/FLAG6eec0835e [2021-10-28 08:55:22,058 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/data/ae5a1870c/5bd33ab2e70048b7b108cb073eb86a93 [2021-10-28 08:55:22,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:55:22,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:55:22,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:55:22,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:55:22,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:55:22,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:55:22" (1/1) ... [2021-10-28 08:55:22,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ce0c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:55:22, skipping insertion in model container [2021-10-28 08:55:22,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:55:22" (1/1) ... [2021-10-28 08:55:22,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:55:22,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:55:22,933 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_cd1dc37d-658b-4afa-879b-4c6f330f7704/sv-benchmarks/c/eca-rers2012/Problem03_label48.c[58935,58948] [2021-10-28 08:55:22,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:55:22,999 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:55:23,399 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_cd1dc37d-658b-4afa-879b-4c6f330f7704/sv-benchmarks/c/eca-rers2012/Problem03_label48.c[58935,58948] [2021-10-28 08:55:23,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:55:23,436 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:55:23,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:55:23 WrapperNode [2021-10-28 08:55:23,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:55:23,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:55:23,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:55:23,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:55:23,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:55:23" (1/1) ... [2021-10-28 08:55:23,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:55:23" (1/1) ... [2021-10-28 08:55:23,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:55:23,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:55:23,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:55:23,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:55:23,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:55:23" (1/1) ... [2021-10-28 08:55:23,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:55:23" (1/1) ... [2021-10-28 08:55:23,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:55:23" (1/1) ... [2021-10-28 08:55:23,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:55:23" (1/1) ... [2021-10-28 08:55:23,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:55:23" (1/1) ... [2021-10-28 08:55:23,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:55:23" (1/1) ... [2021-10-28 08:55:23,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:55:23" (1/1) ... [2021-10-28 08:55:23,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:55:23,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:55:23,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:55:23,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:55:23,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:55:23" (1/1) ... [2021-10-28 08:55:23,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:55:23,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:55:23,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:55:23,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:55:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:55:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:55:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:55:23,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:55:26,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:55:26,231 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 08:55:26,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:55:26 BoogieIcfgContainer [2021-10-28 08:55:26,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:55:26,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:55:26,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:55:26,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:55:26,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:55:22" (1/3) ... [2021-10-28 08:55:26,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1282a0fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:55:26, skipping insertion in model container [2021-10-28 08:55:26,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:55:23" (2/3) ... [2021-10-28 08:55:26,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1282a0fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:55:26, skipping insertion in model container [2021-10-28 08:55:26,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:55:26" (3/3) ... [2021-10-28 08:55:26,245 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label48.c [2021-10-28 08:55:26,255 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:55:26,255 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 08:55:26,324 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:55:26,333 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 08:55:26,333 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 08:55:26,368 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 08:55:26,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-10-28 08:55:26,398 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:55:26,399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:55:26,400 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:55:26,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:55:26,406 INFO L85 PathProgramCache]: Analyzing trace with hash -819677325, now seen corresponding path program 1 times [2021-10-28 08:55:26,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:55:26,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227292543] [2021-10-28 08:55:26,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:55:26,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:55:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:55:27,177 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 08:55:27,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:55:27,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227292543] [2021-10-28 08:55:27,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227292543] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:55:27,180 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:55:27,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:55:27,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87244265] [2021-10-28 08:55:27,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:55:27,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:55:27,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:55:27,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:55:27,220 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 61.0) internal successors, (183), 2 states have internal predecessors, (183), 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 08:55:28,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:55:28,781 INFO L93 Difference]: Finished difference Result 860 states and 1507 transitions. [2021-10-28 08:55:28,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:55:28,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 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 183 [2021-10-28 08:55:28,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:55:28,806 INFO L225 Difference]: With dead ends: 860 [2021-10-28 08:55:28,806 INFO L226 Difference]: Without dead ends: 465 [2021-10-28 08:55:28,812 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 08:55:28,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2021-10-28 08:55:28,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 459. [2021-10-28 08:55:28,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 1.556768558951965) internal successors, (713), 458 states have internal predecessors, (713), 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 08:55:28,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 713 transitions. [2021-10-28 08:55:28,902 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 713 transitions. Word has length 183 [2021-10-28 08:55:28,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:55:28,904 INFO L470 AbstractCegarLoop]: Abstraction has 459 states and 713 transitions. [2021-10-28 08:55:28,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 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 08:55:28,905 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 713 transitions. [2021-10-28 08:55:28,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-10-28 08:55:28,911 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:55:28,912 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:55:28,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:55:28,912 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:55:28,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:55:28,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1598798580, now seen corresponding path program 1 times [2021-10-28 08:55:28,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:55:28,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004201012] [2021-10-28 08:55:28,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:55:28,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:55:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:55:29,054 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 08:55:29,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:55:29,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004201012] [2021-10-28 08:55:29,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004201012] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:55:29,056 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:55:29,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:55:29,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397409103] [2021-10-28 08:55:29,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:55:29,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:55:29,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:55:29,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:55:29,061 INFO L87 Difference]: Start difference. First operand 459 states and 713 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 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 08:55:30,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:55:30,305 INFO L93 Difference]: Finished difference Result 1343 states and 2102 transitions. [2021-10-28 08:55:30,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:55:30,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 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 191 [2021-10-28 08:55:30,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:55:30,313 INFO L225 Difference]: With dead ends: 1343 [2021-10-28 08:55:30,314 INFO L226 Difference]: Without dead ends: 886 [2021-10-28 08:55:30,316 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 08:55:30,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2021-10-28 08:55:30,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 868. [2021-10-28 08:55:30,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 867 states have (on average 1.5340253748558246) internal successors, (1330), 867 states have internal predecessors, (1330), 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 08:55:30,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1330 transitions. [2021-10-28 08:55:30,371 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1330 transitions. Word has length 191 [2021-10-28 08:55:30,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:55:30,371 INFO L470 AbstractCegarLoop]: Abstraction has 868 states and 1330 transitions. [2021-10-28 08:55:30,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 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 08:55:30,372 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1330 transitions. [2021-10-28 08:55:30,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-10-28 08:55:30,379 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:55:30,380 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:55:30,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 08:55:30,381 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:55:30,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:55:30,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1173366829, now seen corresponding path program 1 times [2021-10-28 08:55:30,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:55:30,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309857304] [2021-10-28 08:55:30,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:55:30,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:55:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:55:30,554 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:55:30,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:55:30,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309857304] [2021-10-28 08:55:30,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309857304] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:55:30,562 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:55:30,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:55:30,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006689494] [2021-10-28 08:55:30,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:55:30,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:55:30,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:55:30,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:55:30,569 INFO L87 Difference]: Start difference. First operand 868 states and 1330 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 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 08:55:31,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:55:31,657 INFO L93 Difference]: Finished difference Result 2573 states and 3946 transitions. [2021-10-28 08:55:31,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:55:31,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 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 192 [2021-10-28 08:55:31,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:55:31,673 INFO L225 Difference]: With dead ends: 2573 [2021-10-28 08:55:31,673 INFO L226 Difference]: Without dead ends: 1707 [2021-10-28 08:55:31,675 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 08:55:31,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2021-10-28 08:55:31,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1704. [2021-10-28 08:55:31,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1704 states, 1703 states have (on average 1.4486200822078685) internal successors, (2467), 1703 states have internal predecessors, (2467), 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 08:55:31,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2467 transitions. [2021-10-28 08:55:31,745 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2467 transitions. Word has length 192 [2021-10-28 08:55:31,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:55:31,747 INFO L470 AbstractCegarLoop]: Abstraction has 1704 states and 2467 transitions. [2021-10-28 08:55:31,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 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 08:55:31,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2467 transitions. [2021-10-28 08:55:31,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-10-28 08:55:31,756 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:55:31,757 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:55:31,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 08:55:31,758 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:55:31,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:55:31,759 INFO L85 PathProgramCache]: Analyzing trace with hash -531252135, now seen corresponding path program 1 times [2021-10-28 08:55:31,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:55:31,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646285656] [2021-10-28 08:55:31,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:55:31,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:55:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:55:31,894 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:55:31,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:55:31,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646285656] [2021-10-28 08:55:31,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646285656] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:55:31,902 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:55:31,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:55:31,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284181558] [2021-10-28 08:55:31,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:55:31,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:55:31,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:55:31,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:55:31,906 INFO L87 Difference]: Start difference. First operand 1704 states and 2467 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 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 08:55:33,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:55:33,115 INFO L93 Difference]: Finished difference Result 4238 states and 6117 transitions. [2021-10-28 08:55:33,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:55:33,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 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 193 [2021-10-28 08:55:33,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:55:33,135 INFO L225 Difference]: With dead ends: 4238 [2021-10-28 08:55:33,136 INFO L226 Difference]: Without dead ends: 2536 [2021-10-28 08:55:33,140 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 08:55:33,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2536 states. [2021-10-28 08:55:33,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2536 to 2535. [2021-10-28 08:55:33,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2535 states, 2534 states have (on average 1.4183109707971586) internal successors, (3594), 2534 states have internal predecessors, (3594), 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 08:55:33,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 2535 states and 3594 transitions. [2021-10-28 08:55:33,230 INFO L78 Accepts]: Start accepts. Automaton has 2535 states and 3594 transitions. Word has length 193 [2021-10-28 08:55:33,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:55:33,231 INFO L470 AbstractCegarLoop]: Abstraction has 2535 states and 3594 transitions. [2021-10-28 08:55:33,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 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 08:55:33,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2535 states and 3594 transitions. [2021-10-28 08:55:33,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-10-28 08:55:33,241 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:55:33,241 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:55:33,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 08:55:33,242 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:55:33,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:55:33,244 INFO L85 PathProgramCache]: Analyzing trace with hash -73581847, now seen corresponding path program 1 times [2021-10-28 08:55:33,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:55:33,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442010677] [2021-10-28 08:55:33,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:55:33,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:55:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:55:33,723 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 08:55:33,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:55:33,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442010677] [2021-10-28 08:55:33,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442010677] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:55:33,725 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:55:33,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:55:33,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685587572] [2021-10-28 08:55:33,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:55:33,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:55:33,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:55:33,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:55:33,729 INFO L87 Difference]: Start difference. First operand 2535 states and 3594 transitions. Second operand has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 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 08:55:35,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:55:35,133 INFO L93 Difference]: Finished difference Result 5382 states and 7712 transitions. [2021-10-28 08:55:35,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:55:35,134 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 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 198 [2021-10-28 08:55:35,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:55:35,154 INFO L225 Difference]: With dead ends: 5382 [2021-10-28 08:55:35,155 INFO L226 Difference]: Without dead ends: 2501 [2021-10-28 08:55:35,162 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 08:55:35,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2021-10-28 08:55:35,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 2501. [2021-10-28 08:55:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2501 states, 2500 states have (on average 1.3132) internal successors, (3283), 2500 states have internal predecessors, (3283), 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 08:55:35,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 2501 states and 3283 transitions. [2021-10-28 08:55:35,258 INFO L78 Accepts]: Start accepts. Automaton has 2501 states and 3283 transitions. Word has length 198 [2021-10-28 08:55:35,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:55:35,258 INFO L470 AbstractCegarLoop]: Abstraction has 2501 states and 3283 transitions. [2021-10-28 08:55:35,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 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 08:55:35,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2501 states and 3283 transitions. [2021-10-28 08:55:35,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-10-28 08:55:35,269 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:55:35,269 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:55:35,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 08:55:35,270 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:55:35,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:55:35,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1371073778, now seen corresponding path program 1 times [2021-10-28 08:55:35,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:55:35,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890378527] [2021-10-28 08:55:35,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:55:35,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:55:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:55:35,387 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 08:55:35,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:55:35,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890378527] [2021-10-28 08:55:35,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890378527] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:55:35,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:55:35,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:55:35,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921931207] [2021-10-28 08:55:35,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:55:35,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:55:35,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:55:35,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:55:35,397 INFO L87 Difference]: Start difference. First operand 2501 states and 3283 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 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 08:55:36,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:55:36,439 INFO L93 Difference]: Finished difference Result 7437 states and 9760 transitions. [2021-10-28 08:55:36,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:55:36,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 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 200 [2021-10-28 08:55:36,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:55:36,484 INFO L225 Difference]: With dead ends: 7437 [2021-10-28 08:55:36,484 INFO L226 Difference]: Without dead ends: 4938 [2021-10-28 08:55:36,489 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 08:55:36,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4938 states. [2021-10-28 08:55:36,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4938 to 4125. [2021-10-28 08:55:36,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4125 states, 4124 states have (on average 1.2257516973811833) internal successors, (5055), 4124 states have internal predecessors, (5055), 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 08:55:36,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 4125 states and 5055 transitions. [2021-10-28 08:55:36,665 INFO L78 Accepts]: Start accepts. Automaton has 4125 states and 5055 transitions. Word has length 200 [2021-10-28 08:55:36,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:55:36,666 INFO L470 AbstractCegarLoop]: Abstraction has 4125 states and 5055 transitions. [2021-10-28 08:55:36,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 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 08:55:36,666 INFO L276 IsEmpty]: Start isEmpty. Operand 4125 states and 5055 transitions. [2021-10-28 08:55:36,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-10-28 08:55:36,677 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:55:36,677 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:55:36,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 08:55:36,678 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:55:36,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:55:36,679 INFO L85 PathProgramCache]: Analyzing trace with hash 673023940, now seen corresponding path program 1 times [2021-10-28 08:55:36,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:55:36,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528933959] [2021-10-28 08:55:36,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:55:36,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:55:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:55:37,075 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:55:37,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:55:37,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528933959] [2021-10-28 08:55:37,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528933959] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:55:37,076 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:55:37,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:55:37,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446877400] [2021-10-28 08:55:37,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:55:37,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:55:37,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:55:37,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:55:37,079 INFO L87 Difference]: Start difference. First operand 4125 states and 5055 transitions. Second operand has 4 states, 4 states have (on average 53.5) internal successors, (214), 3 states have internal predecessors, (214), 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 08:55:38,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:55:38,749 INFO L93 Difference]: Finished difference Result 10239 states and 12504 transitions. [2021-10-28 08:55:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:55:38,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 3 states have internal predecessors, (214), 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 214 [2021-10-28 08:55:38,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:55:38,791 INFO L225 Difference]: With dead ends: 10239 [2021-10-28 08:55:38,791 INFO L226 Difference]: Without dead ends: 5768 [2021-10-28 08:55:38,798 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 08:55:38,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5768 states. [2021-10-28 08:55:38,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5768 to 5767. [2021-10-28 08:55:38,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5767 states, 5766 states have (on average 1.2131460284425946) internal successors, (6995), 5766 states have internal predecessors, (6995), 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 08:55:38,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5767 states to 5767 states and 6995 transitions. [2021-10-28 08:55:38,986 INFO L78 Accepts]: Start accepts. Automaton has 5767 states and 6995 transitions. Word has length 214 [2021-10-28 08:55:38,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:55:38,988 INFO L470 AbstractCegarLoop]: Abstraction has 5767 states and 6995 transitions. [2021-10-28 08:55:38,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 3 states have internal predecessors, (214), 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 08:55:38,988 INFO L276 IsEmpty]: Start isEmpty. Operand 5767 states and 6995 transitions. [2021-10-28 08:55:39,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-10-28 08:55:39,002 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:55:39,002 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:55:39,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 08:55:39,003 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:55:39,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:55:39,004 INFO L85 PathProgramCache]: Analyzing trace with hash 873129007, now seen corresponding path program 1 times [2021-10-28 08:55:39,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:55:39,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774692037] [2021-10-28 08:55:39,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:55:39,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:55:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:55:39,138 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:55:39,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:55:39,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774692037] [2021-10-28 08:55:39,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774692037] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:55:39,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950606808] [2021-10-28 08:55:39,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:55:39,140 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:55:39,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:55:39,145 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:55:39,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 08:55:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:55:39,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:55:39,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:55:40,399 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-10-28 08:55:40,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950606808] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:55:40,400 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:55:40,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 08:55:40,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55153873] [2021-10-28 08:55:40,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:55:40,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:55:40,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:55:40,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:55:40,403 INFO L87 Difference]: Start difference. First operand 5767 states and 6995 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 08:55:41,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:55:41,461 INFO L93 Difference]: Finished difference Result 11545 states and 14012 transitions. [2021-10-28 08:55:41,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:55:41,464 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 221 [2021-10-28 08:55:41,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:55:41,503 INFO L225 Difference]: With dead ends: 11545 [2021-10-28 08:55:41,503 INFO L226 Difference]: Without dead ends: 5780 [2021-10-28 08:55:41,512 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 220 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 08:55:41,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5780 states. [2021-10-28 08:55:41,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5780 to 5767. [2021-10-28 08:55:41,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5767 states, 5766 states have (on average 1.2025667707249392) internal successors, (6934), 5766 states have internal predecessors, (6934), 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 08:55:41,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5767 states to 5767 states and 6934 transitions. [2021-10-28 08:55:41,684 INFO L78 Accepts]: Start accepts. Automaton has 5767 states and 6934 transitions. Word has length 221 [2021-10-28 08:55:41,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:55:41,685 INFO L470 AbstractCegarLoop]: Abstraction has 5767 states and 6934 transitions. [2021-10-28 08:55:41,685 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 08:55:41,686 INFO L276 IsEmpty]: Start isEmpty. Operand 5767 states and 6934 transitions. [2021-10-28 08:55:41,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-10-28 08:55:41,700 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:55:41,701 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:55:41,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:55:41,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-10-28 08:55:41,916 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:55:41,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:55:41,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1329101946, now seen corresponding path program 1 times [2021-10-28 08:55:41,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:55:41,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167604433] [2021-10-28 08:55:41,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:55:41,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:55:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:55:42,092 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-28 08:55:42,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:55:42,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167604433] [2021-10-28 08:55:42,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167604433] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:55:42,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88176692] [2021-10-28 08:55:42,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:55:42,096 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:55:42,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:55:42,102 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:55:42,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 08:55:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:55:42,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:55:42,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:55:43,309 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-28 08:55:43,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88176692] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:55:43,310 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:55:43,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 08:55:43,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025453347] [2021-10-28 08:55:43,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:55:43,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:55:43,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:55:43,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:55:43,313 INFO L87 Difference]: Start difference. First operand 5767 states and 6934 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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 08:55:44,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:55:44,356 INFO L93 Difference]: Finished difference Result 17219 states and 20690 transitions. [2021-10-28 08:55:44,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:55:44,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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 233 [2021-10-28 08:55:44,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:55:44,416 INFO L225 Difference]: With dead ends: 17219 [2021-10-28 08:55:44,416 INFO L226 Difference]: Without dead ends: 11454 [2021-10-28 08:55:44,427 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 232 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 08:55:44,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11454 states. [2021-10-28 08:55:44,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11454 to 11451. [2021-10-28 08:55:44,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11451 states, 11450 states have (on average 1.1317903930131004) internal successors, (12959), 11450 states have internal predecessors, (12959), 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 08:55:44,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11451 states to 11451 states and 12959 transitions. [2021-10-28 08:55:44,790 INFO L78 Accepts]: Start accepts. Automaton has 11451 states and 12959 transitions. Word has length 233 [2021-10-28 08:55:44,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:55:44,790 INFO L470 AbstractCegarLoop]: Abstraction has 11451 states and 12959 transitions. [2021-10-28 08:55:44,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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 08:55:44,791 INFO L276 IsEmpty]: Start isEmpty. Operand 11451 states and 12959 transitions. [2021-10-28 08:55:44,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-10-28 08:55:44,816 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:55:44,816 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:55:44,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:55:45,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:55:45,032 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:55:45,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:55:45,033 INFO L85 PathProgramCache]: Analyzing trace with hash 768090626, now seen corresponding path program 1 times [2021-10-28 08:55:45,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:55:45,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264336667] [2021-10-28 08:55:45,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:55:45,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:55:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:55:45,183 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:55:45,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:55:45,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264336667] [2021-10-28 08:55:45,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264336667] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:55:45,185 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:55:45,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:55:45,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672974524] [2021-10-28 08:55:45,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:55:45,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:55:45,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:55:45,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:55:45,189 INFO L87 Difference]: Start difference. First operand 11451 states and 12959 transitions. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 2 states have internal predecessors, (246), 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 08:55:46,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:55:46,254 INFO L93 Difference]: Finished difference Result 27399 states and 30903 transitions. [2021-10-28 08:55:46,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:55:46,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 2 states have internal predecessors, (246), 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 246 [2021-10-28 08:55:46,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:55:46,297 INFO L225 Difference]: With dead ends: 27399 [2021-10-28 08:55:46,297 INFO L226 Difference]: Without dead ends: 15950 [2021-10-28 08:55:46,316 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 08:55:46,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15950 states. [2021-10-28 08:55:46,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15950 to 15944. [2021-10-28 08:55:46,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15944 states, 15943 states have (on average 1.1214953271028036) internal successors, (17880), 15943 states have internal predecessors, (17880), 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 08:55:46,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15944 states to 15944 states and 17880 transitions. [2021-10-28 08:55:46,816 INFO L78 Accepts]: Start accepts. Automaton has 15944 states and 17880 transitions. Word has length 246 [2021-10-28 08:55:46,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:55:46,817 INFO L470 AbstractCegarLoop]: Abstraction has 15944 states and 17880 transitions. [2021-10-28 08:55:46,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 2 states have internal predecessors, (246), 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 08:55:46,818 INFO L276 IsEmpty]: Start isEmpty. Operand 15944 states and 17880 transitions. [2021-10-28 08:55:46,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-28 08:55:46,849 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:55:46,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:55:46,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 08:55:46,850 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:55:46,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:55:46,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1718686317, now seen corresponding path program 1 times [2021-10-28 08:55:46,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:55:46,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460658604] [2021-10-28 08:55:46,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:55:46,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:55:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:55:47,170 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:55:47,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:55:47,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460658604] [2021-10-28 08:55:47,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460658604] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:55:47,171 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:55:47,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:55:47,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227538449] [2021-10-28 08:55:47,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:55:47,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:55:47,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:55:47,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:55:47,174 INFO L87 Difference]: Start difference. First operand 15944 states and 17880 transitions. Second operand has 4 states, 4 states have (on average 63.25) internal successors, (253), 3 states have internal predecessors, (253), 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 08:55:49,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:55:49,055 INFO L93 Difference]: Finished difference Result 43517 states and 48797 transitions. [2021-10-28 08:55:49,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:55:49,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.25) internal successors, (253), 3 states have internal predecessors, (253), 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 253 [2021-10-28 08:55:49,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:55:49,130 INFO L225 Difference]: With dead ends: 43517 [2021-10-28 08:55:49,131 INFO L226 Difference]: Without dead ends: 27575 [2021-10-28 08:55:49,150 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 08:55:49,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27575 states. [2021-10-28 08:55:49,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27575 to 27567. [2021-10-28 08:55:49,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27567 states, 27566 states have (on average 1.1042588696219982) internal successors, (30440), 27566 states have internal predecessors, (30440), 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 08:55:49,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27567 states to 27567 states and 30440 transitions. [2021-10-28 08:55:49,984 INFO L78 Accepts]: Start accepts. Automaton has 27567 states and 30440 transitions. Word has length 253 [2021-10-28 08:55:49,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:55:49,985 INFO L470 AbstractCegarLoop]: Abstraction has 27567 states and 30440 transitions. [2021-10-28 08:55:49,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.25) internal successors, (253), 3 states have internal predecessors, (253), 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 08:55:49,986 INFO L276 IsEmpty]: Start isEmpty. Operand 27567 states and 30440 transitions. [2021-10-28 08:55:50,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-10-28 08:55:50,045 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:55:50,045 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:55:50,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 08:55:50,046 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:55:50,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:55:50,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1369923191, now seen corresponding path program 1 times [2021-10-28 08:55:50,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:55:50,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898288771] [2021-10-28 08:55:50,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:55:50,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:55:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:55:50,263 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 107 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:55:50,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:55:50,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898288771] [2021-10-28 08:55:50,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898288771] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:55:50,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861343934] [2021-10-28 08:55:50,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:55:50,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:55:50,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:55:50,269 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:55:50,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 08:55:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:55:50,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:55:50,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:55:51,949 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-28 08:55:51,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861343934] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:55:51,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:55:51,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 08:55:51,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683299000] [2021-10-28 08:55:51,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:55:51,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:55:51,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:55:51,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:55:51,952 INFO L87 Difference]: Start difference. First operand 27567 states and 30440 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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 08:55:53,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:55:53,042 INFO L93 Difference]: Finished difference Result 57368 states and 63747 transitions. [2021-10-28 08:55:53,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:55:53,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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 291 [2021-10-28 08:55:53,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:55:53,261 INFO L225 Difference]: With dead ends: 57368 [2021-10-28 08:55:53,262 INFO L226 Difference]: Without dead ends: 29803 [2021-10-28 08:55:53,286 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 290 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 08:55:53,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29803 states. [2021-10-28 08:55:53,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29803 to 29800. [2021-10-28 08:55:53,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29800 states, 29799 states have (on average 1.1100372495721333) internal successors, (33078), 29799 states have internal predecessors, (33078), 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 08:55:53,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29800 states to 29800 states and 33078 transitions. [2021-10-28 08:55:54,001 INFO L78 Accepts]: Start accepts. Automaton has 29800 states and 33078 transitions. Word has length 291 [2021-10-28 08:55:54,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:55:54,004 INFO L470 AbstractCegarLoop]: Abstraction has 29800 states and 33078 transitions. [2021-10-28 08:55:54,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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 08:55:54,005 INFO L276 IsEmpty]: Start isEmpty. Operand 29800 states and 33078 transitions. [2021-10-28 08:55:54,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-10-28 08:55:54,102 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:55:54,103 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:55:54,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 08:55:54,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-28 08:55:54,325 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:55:54,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:55:54,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1931701254, now seen corresponding path program 1 times [2021-10-28 08:55:54,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:55:54,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948615398] [2021-10-28 08:55:54,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:55:54,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:55:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:55:54,519 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-28 08:55:54,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:55:54,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948615398] [2021-10-28 08:55:54,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948615398] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:55:54,520 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:55:54,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:55:54,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551933644] [2021-10-28 08:55:54,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:55:54,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:55:54,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:55:54,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:55:54,527 INFO L87 Difference]: Start difference. First operand 29800 states and 33078 transitions. Second operand has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 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 08:55:55,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:55:55,823 INFO L93 Difference]: Finished difference Result 57733 states and 64107 transitions. [2021-10-28 08:55:55,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:55:55,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 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 310 [2021-10-28 08:55:55,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:55:55,901 INFO L225 Difference]: With dead ends: 57733 [2021-10-28 08:55:55,901 INFO L226 Difference]: Without dead ends: 27934 [2021-10-28 08:55:55,923 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 08:55:55,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27934 states. [2021-10-28 08:55:56,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27934 to 27527. [2021-10-28 08:55:56,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27527 states, 27526 states have (on average 1.0890067572476931) internal successors, (29976), 27526 states have internal predecessors, (29976), 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 08:55:56,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27527 states to 27527 states and 29976 transitions. [2021-10-28 08:55:56,716 INFO L78 Accepts]: Start accepts. Automaton has 27527 states and 29976 transitions. Word has length 310 [2021-10-28 08:55:56,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:55:56,716 INFO L470 AbstractCegarLoop]: Abstraction has 27527 states and 29976 transitions. [2021-10-28 08:55:56,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 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 08:55:56,716 INFO L276 IsEmpty]: Start isEmpty. Operand 27527 states and 29976 transitions. [2021-10-28 08:55:56,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-10-28 08:55:56,751 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:55:56,752 INFO L513 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 08:55:56,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 08:55:56,752 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:55:56,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:55:56,753 INFO L85 PathProgramCache]: Analyzing trace with hash -17613274, now seen corresponding path program 1 times [2021-10-28 08:55:56,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:55:56,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264481061] [2021-10-28 08:55:56,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:55:56,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:55:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:55:56,996 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 160 proven. 11 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-28 08:55:56,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:55:56,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264481061] [2021-10-28 08:55:56,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264481061] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:55:56,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739585538] [2021-10-28 08:55:56,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:55:56,998 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:55:56,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:55:56,999 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:55:57,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 08:55:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:55:57,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:55:57,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:55:59,000 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-10-28 08:55:59,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739585538] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:55:59,004 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:55:59,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 08:55:59,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502521062] [2021-10-28 08:55:59,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:55:59,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:55:59,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:55:59,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:55:59,008 INFO L87 Difference]: Start difference. First operand 27527 states and 29976 transitions. Second operand has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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 08:56:00,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:56:00,428 INFO L93 Difference]: Finished difference Result 75568 states and 82198 transitions. [2021-10-28 08:56:00,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:56:00,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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 08:56:00,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:56:00,507 INFO L225 Difference]: With dead ends: 75568 [2021-10-28 08:56:00,507 INFO L226 Difference]: Without dead ends: 48043 [2021-10-28 08:56:00,527 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 08:56:00,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48043 states. [2021-10-28 08:56:01,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48043 to 44792. [2021-10-28 08:56:01,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44792 states, 44791 states have (on average 1.0809984148601282) internal successors, (48419), 44791 states have internal predecessors, (48419), 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 08:56:01,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44792 states to 44792 states and 48419 transitions. [2021-10-28 08:56:01,650 INFO L78 Accepts]: Start accepts. Automaton has 44792 states and 48419 transitions. Word has length 333 [2021-10-28 08:56:01,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:56:01,652 INFO L470 AbstractCegarLoop]: Abstraction has 44792 states and 48419 transitions. [2021-10-28 08:56:01,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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 08:56:01,652 INFO L276 IsEmpty]: Start isEmpty. Operand 44792 states and 48419 transitions. [2021-10-28 08:56:01,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-10-28 08:56:01,704 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:56:01,704 INFO L513 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 08:56:01,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 08:56:01,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:56:01,920 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:56:01,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:56:01,921 INFO L85 PathProgramCache]: Analyzing trace with hash 703275116, now seen corresponding path program 1 times [2021-10-28 08:56:01,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:56:01,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079550984] [2021-10-28 08:56:01,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:01,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:56:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-28 08:56:02,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:56:02,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079550984] [2021-10-28 08:56:02,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079550984] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:56:02,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:56:02,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:56:02,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965631146] [2021-10-28 08:56:02,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:56:02,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:56:02,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:56:02,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:56:02,317 INFO L87 Difference]: Start difference. First operand 44792 states and 48419 transitions. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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 08:56:03,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:56:03,517 INFO L93 Difference]: Finished difference Result 88548 states and 95689 transitions. [2021-10-28 08:56:03,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:56:03,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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 348 [2021-10-28 08:56:03,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:56:03,566 INFO L225 Difference]: With dead ends: 88548 [2021-10-28 08:56:03,566 INFO L226 Difference]: Without dead ends: 43758 [2021-10-28 08:56:03,591 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 08:56:03,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43758 states. [2021-10-28 08:56:04,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43758 to 42131. [2021-10-28 08:56:04,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42131 states, 42130 states have (on average 1.0627106574887253) internal successors, (44772), 42130 states have internal predecessors, (44772), 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 08:56:04,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42131 states to 42131 states and 44772 transitions. [2021-10-28 08:56:04,516 INFO L78 Accepts]: Start accepts. Automaton has 42131 states and 44772 transitions. Word has length 348 [2021-10-28 08:56:04,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:56:04,516 INFO L470 AbstractCegarLoop]: Abstraction has 42131 states and 44772 transitions. [2021-10-28 08:56:04,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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 08:56:04,517 INFO L276 IsEmpty]: Start isEmpty. Operand 42131 states and 44772 transitions. [2021-10-28 08:56:04,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2021-10-28 08:56:04,564 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:56:04,565 INFO L513 BasicCegarLoop]: trace histogram [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, 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] [2021-10-28 08:56:04,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 08:56:04,566 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:56:04,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:56:04,567 INFO L85 PathProgramCache]: Analyzing trace with hash 212231778, now seen corresponding path program 1 times [2021-10-28 08:56:04,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:56:04,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357402856] [2021-10-28 08:56:04,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:04,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:56:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:04,798 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 194 proven. 11 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-10-28 08:56:04,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:56:04,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357402856] [2021-10-28 08:56:04,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357402856] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:56:04,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636839501] [2021-10-28 08:56:04,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:04,799 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:56:04,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:56:04,804 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:56:04,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 08:56:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:05,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 08:56:05,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:56:06,633 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 08:56:06,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636839501] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:56:06,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:56:06,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 08:56:06,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959955176] [2021-10-28 08:56:06,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:56:06,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:56:06,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:56:06,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:56:06,638 INFO L87 Difference]: Start difference. First operand 42131 states and 44772 transitions. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 08:56:07,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:56:07,735 INFO L93 Difference]: Finished difference Result 79375 states and 84179 transitions. [2021-10-28 08:56:07,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:56:07,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 367 [2021-10-28 08:56:07,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:56:07,780 INFO L225 Difference]: With dead ends: 79375 [2021-10-28 08:56:07,780 INFO L226 Difference]: Without dead ends: 37246 [2021-10-28 08:56:07,810 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 366 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 08:56:07,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37246 states. [2021-10-28 08:56:08,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37246 to 37242. [2021-10-28 08:56:08,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37242 states, 37241 states have (on average 1.0530866518084907) internal successors, (39218), 37241 states have internal predecessors, (39218), 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 08:56:08,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37242 states to 37242 states and 39218 transitions. [2021-10-28 08:56:08,567 INFO L78 Accepts]: Start accepts. Automaton has 37242 states and 39218 transitions. Word has length 367 [2021-10-28 08:56:08,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:56:08,568 INFO L470 AbstractCegarLoop]: Abstraction has 37242 states and 39218 transitions. [2021-10-28 08:56:08,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 08:56:08,568 INFO L276 IsEmpty]: Start isEmpty. Operand 37242 states and 39218 transitions. [2021-10-28 08:56:08,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-10-28 08:56:08,785 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:56:08,786 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:56:08,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 08:56:09,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-28 08:56:09,012 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:56:09,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:56:09,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1161269189, now seen corresponding path program 1 times [2021-10-28 08:56:09,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:56:09,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691688423] [2021-10-28 08:56:09,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:09,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:56:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:09,253 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 211 proven. 11 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-10-28 08:56:09,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:56:09,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691688423] [2021-10-28 08:56:09,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691688423] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:56:09,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400979506] [2021-10-28 08:56:09,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:09,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:56:09,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:56:09,256 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:56:09,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-28 08:56:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:10,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 08:56:10,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:56:11,431 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-28 08:56:11,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400979506] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:56:11,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:56:11,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 08:56:11,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245625743] [2021-10-28 08:56:11,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:56:11,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:56:11,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:56:11,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:56:11,434 INFO L87 Difference]: Start difference. First operand 37242 states and 39218 transitions. Second operand has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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 08:56:12,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:56:12,469 INFO L93 Difference]: Finished difference Result 78341 states and 82563 transitions. [2021-10-28 08:56:12,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:56:12,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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 373 [2021-10-28 08:56:12,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:56:12,511 INFO L225 Difference]: With dead ends: 78341 [2021-10-28 08:56:12,511 INFO L226 Difference]: Without dead ends: 41101 [2021-10-28 08:56:12,529 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 372 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 08:56:12,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41101 states. [2021-10-28 08:56:13,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41101 to 39475. [2021-10-28 08:56:13,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39475 states, 39474 states have (on average 1.0530982418807315) internal successors, (41570), 39474 states have internal predecessors, (41570), 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 08:56:13,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39475 states to 39475 states and 41570 transitions. [2021-10-28 08:56:13,351 INFO L78 Accepts]: Start accepts. Automaton has 39475 states and 41570 transitions. Word has length 373 [2021-10-28 08:56:13,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:56:13,353 INFO L470 AbstractCegarLoop]: Abstraction has 39475 states and 41570 transitions. [2021-10-28 08:56:13,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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 08:56:13,354 INFO L276 IsEmpty]: Start isEmpty. Operand 39475 states and 41570 transitions. [2021-10-28 08:56:13,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-10-28 08:56:13,439 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:56:13,443 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 08:56:13,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-28 08:56:13,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-10-28 08:56:13,661 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:56:13,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:56:13,662 INFO L85 PathProgramCache]: Analyzing trace with hash -957708721, now seen corresponding path program 1 times [2021-10-28 08:56:13,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:56:13,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727057397] [2021-10-28 08:56:13,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:13,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:56:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:13,903 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-10-28 08:56:13,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:56:13,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727057397] [2021-10-28 08:56:13,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727057397] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:56:13,904 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:56:13,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:56:13,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423411916] [2021-10-28 08:56:13,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:56:13,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:56:13,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:56:13,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:56:13,910 INFO L87 Difference]: Start difference. First operand 39475 states and 41570 transitions. Second operand has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 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 08:56:15,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:56:15,961 INFO L93 Difference]: Finished difference Result 82413 states and 86828 transitions. [2021-10-28 08:56:15,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:56:15,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 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 386 [2021-10-28 08:56:15,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:56:16,016 INFO L225 Difference]: With dead ends: 82413 [2021-10-28 08:56:16,016 INFO L226 Difference]: Without dead ends: 42940 [2021-10-28 08:56:16,032 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 08:56:16,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42940 states. [2021-10-28 08:56:16,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42940 to 41102. [2021-10-28 08:56:16,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41102 states, 41101 states have (on average 1.0512882898226321) internal successors, (43209), 41101 states have internal predecessors, (43209), 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 08:56:16,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41102 states to 41102 states and 43209 transitions. [2021-10-28 08:56:16,942 INFO L78 Accepts]: Start accepts. Automaton has 41102 states and 43209 transitions. Word has length 386 [2021-10-28 08:56:16,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:56:16,943 INFO L470 AbstractCegarLoop]: Abstraction has 41102 states and 43209 transitions. [2021-10-28 08:56:16,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 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 08:56:16,943 INFO L276 IsEmpty]: Start isEmpty. Operand 41102 states and 43209 transitions. [2021-10-28 08:56:16,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2021-10-28 08:56:16,989 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:56:16,990 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 08:56:16,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 08:56:16,991 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:56:16,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:56:16,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1130963932, now seen corresponding path program 1 times [2021-10-28 08:56:16,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:56:16,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9848335] [2021-10-28 08:56:16,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:16,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:56:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:17,253 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 246 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-10-28 08:56:17,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:56:17,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9848335] [2021-10-28 08:56:17,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9848335] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:56:17,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274718162] [2021-10-28 08:56:17,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:17,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:56:17,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:56:17,256 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:56:17,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-28 08:56:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:18,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:56:18,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:56:19,388 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-10-28 08:56:19,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274718162] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:56:19,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:56:19,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-28 08:56:19,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206802271] [2021-10-28 08:56:19,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:56:19,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:56:19,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:56:19,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:56:19,391 INFO L87 Difference]: Start difference. First operand 41102 states and 43209 transitions. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 2 states have internal predecessors, (311), 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 08:56:20,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:56:20,218 INFO L93 Difference]: Finished difference Result 120864 states and 127120 transitions. [2021-10-28 08:56:20,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:56:20,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 2 states have internal predecessors, (311), 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 414 [2021-10-28 08:56:20,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:56:20,313 INFO L225 Difference]: With dead ends: 120864 [2021-10-28 08:56:20,313 INFO L226 Difference]: Without dead ends: 79764 [2021-10-28 08:56:20,331 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:56:20,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79764 states. [2021-10-28 08:56:21,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79764 to 79761. [2021-10-28 08:56:21,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79761 states, 79760 states have (on average 1.0519558676028085) internal successors, (83904), 79760 states have internal predecessors, (83904), 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 08:56:21,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79761 states to 79761 states and 83904 transitions. [2021-10-28 08:56:21,911 INFO L78 Accepts]: Start accepts. Automaton has 79761 states and 83904 transitions. Word has length 414 [2021-10-28 08:56:21,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:56:21,911 INFO L470 AbstractCegarLoop]: Abstraction has 79761 states and 83904 transitions. [2021-10-28 08:56:21,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 2 states have internal predecessors, (311), 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 08:56:21,912 INFO L276 IsEmpty]: Start isEmpty. Operand 79761 states and 83904 transitions. [2021-10-28 08:56:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2021-10-28 08:56:21,958 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:56:21,959 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 08:56:21,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-10-28 08:56:22,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:56:22,160 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:56:22,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:56:22,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1845760560, now seen corresponding path program 1 times [2021-10-28 08:56:22,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:56:22,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126513814] [2021-10-28 08:56:22,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:22,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:56:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:22,494 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 285 proven. 9 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-10-28 08:56:22,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:56:22,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126513814] [2021-10-28 08:56:22,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126513814] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:56:22,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625584427] [2021-10-28 08:56:22,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:22,496 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:56:22,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:56:22,497 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:56:22,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-28 08:56:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:23,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 08:56:23,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:56:24,989 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-10-28 08:56:24,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625584427] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:56:24,990 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:56:24,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 08:56:24,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246105464] [2021-10-28 08:56:24,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:56:24,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:56:24,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:56:24,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:56:24,993 INFO L87 Difference]: Start difference. First operand 79761 states and 83904 transitions. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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 08:56:26,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:56:26,143 INFO L93 Difference]: Finished difference Result 158507 states and 166729 transitions. [2021-10-28 08:56:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:56:26,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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 437 [2021-10-28 08:56:26,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:56:26,235 INFO L225 Difference]: With dead ends: 158507 [2021-10-28 08:56:26,236 INFO L226 Difference]: Without dead ends: 78748 [2021-10-28 08:56:26,276 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 436 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:56:26,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78748 states. [2021-10-28 08:56:27,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78748 to 78324. [2021-10-28 08:56:27,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78324 states, 78323 states have (on average 1.0505343258046806) internal successors, (82281), 78323 states have internal predecessors, (82281), 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 08:56:28,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78324 states to 78324 states and 82281 transitions. [2021-10-28 08:56:28,022 INFO L78 Accepts]: Start accepts. Automaton has 78324 states and 82281 transitions. Word has length 437 [2021-10-28 08:56:28,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:56:28,023 INFO L470 AbstractCegarLoop]: Abstraction has 78324 states and 82281 transitions. [2021-10-28 08:56:28,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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 08:56:28,024 INFO L276 IsEmpty]: Start isEmpty. Operand 78324 states and 82281 transitions. [2021-10-28 08:56:28,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2021-10-28 08:56:28,065 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:56:28,065 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:56:28,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-28 08:56:28,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:56:28,266 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:56:28,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:56:28,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1981683012, now seen corresponding path program 1 times [2021-10-28 08:56:28,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:56:28,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101383175] [2021-10-28 08:56:28,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:28,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:56:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:28,516 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 401 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2021-10-28 08:56:28,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:56:28,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101383175] [2021-10-28 08:56:28,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101383175] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:56:28,517 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:56:28,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:56:28,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988573779] [2021-10-28 08:56:28,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:56:28,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:56:28,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:56:28,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:56:28,520 INFO L87 Difference]: Start difference. First operand 78324 states and 82281 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 2 states have internal predecessors, (312), 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 08:56:30,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:56:30,034 INFO L93 Difference]: Finished difference Result 210896 states and 221734 transitions. [2021-10-28 08:56:30,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:56:30,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 2 states have internal predecessors, (312), 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 446 [2021-10-28 08:56:30,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:56:30,227 INFO L225 Difference]: With dead ends: 210896 [2021-10-28 08:56:30,227 INFO L226 Difference]: Without dead ends: 132574 [2021-10-28 08:56:30,269 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 08:56:30,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132574 states. [2021-10-28 08:56:32,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132574 to 124454. [2021-10-28 08:56:32,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124454 states, 124453 states have (on average 1.0541569909925836) internal successors, (131193), 124453 states have internal predecessors, (131193), 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 08:56:33,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124454 states to 124454 states and 131193 transitions. [2021-10-28 08:56:33,042 INFO L78 Accepts]: Start accepts. Automaton has 124454 states and 131193 transitions. Word has length 446 [2021-10-28 08:56:33,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:56:33,043 INFO L470 AbstractCegarLoop]: Abstraction has 124454 states and 131193 transitions. [2021-10-28 08:56:33,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 2 states have internal predecessors, (312), 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 08:56:33,043 INFO L276 IsEmpty]: Start isEmpty. Operand 124454 states and 131193 transitions. [2021-10-28 08:56:33,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2021-10-28 08:56:33,083 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:56:33,084 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:56:33,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-28 08:56:33,084 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:56:33,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:56:33,085 INFO L85 PathProgramCache]: Analyzing trace with hash -676210099, now seen corresponding path program 1 times [2021-10-28 08:56:33,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:56:33,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252172279] [2021-10-28 08:56:33,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:33,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:56:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:33,272 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 147 proven. 6 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2021-10-28 08:56:33,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:56:33,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252172279] [2021-10-28 08:56:33,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252172279] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:56:33,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153528474] [2021-10-28 08:56:33,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:33,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:56:33,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:56:33,275 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:56:33,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-28 08:56:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:34,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 08:56:34,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:56:35,838 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-10-28 08:56:35,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153528474] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:56:35,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:56:35,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-28 08:56:35,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021262153] [2021-10-28 08:56:35,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:56:35,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:56:35,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:56:35,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:56:35,841 INFO L87 Difference]: Start difference. First operand 124454 states and 131193 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 2 states have internal predecessors, (324), 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 08:56:37,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:56:37,507 INFO L93 Difference]: Finished difference Result 293837 states and 309659 transitions. [2021-10-28 08:56:37,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:56:37,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 2 states have internal predecessors, (324), 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 450 [2021-10-28 08:56:37,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:56:37,749 INFO L225 Difference]: With dead ends: 293837 [2021-10-28 08:56:37,749 INFO L226 Difference]: Without dead ends: 169385 [2021-10-28 08:56:37,820 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 449 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 08:56:38,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169385 states. [2021-10-28 08:56:41,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169385 to 169383. [2021-10-28 08:56:41,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169383 states, 169382 states have (on average 1.0534944681253027) internal successors, (178443), 169382 states have internal predecessors, (178443), 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 08:56:42,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169383 states to 169383 states and 178443 transitions. [2021-10-28 08:56:42,171 INFO L78 Accepts]: Start accepts. Automaton has 169383 states and 178443 transitions. Word has length 450 [2021-10-28 08:56:42,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:56:42,172 INFO L470 AbstractCegarLoop]: Abstraction has 169383 states and 178443 transitions. [2021-10-28 08:56:42,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 2 states have internal predecessors, (324), 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 08:56:42,172 INFO L276 IsEmpty]: Start isEmpty. Operand 169383 states and 178443 transitions. [2021-10-28 08:56:42,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2021-10-28 08:56:42,250 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:56:42,250 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 08:56:42,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-28 08:56:42,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-10-28 08:56:42,464 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:56:42,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:56:42,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1531649112, now seen corresponding path program 1 times [2021-10-28 08:56:42,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:56:42,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867935489] [2021-10-28 08:56:42,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:42,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:56:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:42,797 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 386 proven. 24 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-10-28 08:56:42,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:56:42,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867935489] [2021-10-28 08:56:42,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867935489] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:56:42,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898524026] [2021-10-28 08:56:42,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:42,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:56:42,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:56:42,804 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:56:42,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-28 08:56:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:44,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 08:56:44,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:56:45,419 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2021-10-28 08:56:45,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898524026] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:56:45,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:56:45,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 08:56:45,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769661470] [2021-10-28 08:56:45,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:56:45,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:56:45,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:56:45,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:56:45,422 INFO L87 Difference]: Start difference. First operand 169383 states and 178443 transitions. Second operand has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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 08:56:47,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:56:47,922 INFO L93 Difference]: Finished difference Result 360764 states and 380396 transitions. [2021-10-28 08:56:47,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:56:47,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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 450 [2021-10-28 08:56:47,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:56:47,923 INFO L225 Difference]: With dead ends: 360764 [2021-10-28 08:56:47,923 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 08:56:48,727 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:56:48,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 08:56:48,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 08:56:48,728 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 08:56:48,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:56:48,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 450 [2021-10-28 08:56:48,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:56:48,729 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:56:48,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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 08:56:48,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:56:48,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 08:56:48,733 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:56:48,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-28 08:56:48,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:56:48,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 08:56:48,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:56:48,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:56:53,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:57:02,019 INFO L857 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-10-28 08:57:02,019 INFO L857 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-10-28 08:57:02,019 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,019 INFO L857 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-10-28 08:57:02,019 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,019 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,019 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,019 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,020 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,020 INFO L857 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,020 INFO L857 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,020 INFO L857 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,020 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,020 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,020 INFO L857 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-10-28 08:57:02,020 INFO L857 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-10-28 08:57:02,020 INFO L857 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-10-28 08:57:02,020 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,020 INFO L857 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-10-28 08:57:02,021 INFO L857 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-10-28 08:57:02,021 INFO L857 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,021 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,021 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,021 INFO L857 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,021 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,021 INFO L857 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,021 INFO L857 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,021 INFO L857 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,021 INFO L857 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,021 INFO L857 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-10-28 08:57:02,022 INFO L857 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-10-28 08:57:02,022 INFO L857 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-10-28 08:57:02,022 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,022 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,022 INFO L857 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,022 INFO L857 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,022 INFO L857 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,022 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,022 INFO L857 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-10-28 08:57:02,022 INFO L857 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-10-28 08:57:02,022 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,023 INFO L857 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-10-28 08:57:02,023 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,023 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-10-28 08:57:02,023 INFO L857 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-10-28 08:57:02,023 INFO L857 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,023 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,023 INFO L857 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,023 INFO L857 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,023 INFO L857 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,023 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,023 INFO L857 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,024 INFO L857 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-10-28 08:57:02,024 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,024 INFO L857 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-10-28 08:57:02,024 INFO L857 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-10-28 08:57:02,024 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,024 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,024 INFO L857 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,024 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,024 INFO L857 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-10-28 08:57:02,024 INFO L857 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-10-28 08:57:02,024 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,025 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,025 INFO L857 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,025 INFO L857 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,025 INFO L857 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,025 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,025 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,025 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,025 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,025 INFO L857 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,026 INFO L857 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-10-28 08:57:02,026 INFO L857 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-10-28 08:57:02,026 INFO L857 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-10-28 08:57:02,026 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,026 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,026 INFO L857 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,026 INFO L857 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,027 INFO L857 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,027 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,027 INFO L857 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-10-28 08:57:02,027 INFO L857 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-10-28 08:57:02,027 INFO L857 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-10-28 08:57:02,027 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,027 INFO L857 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,027 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,027 INFO L857 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,027 INFO L857 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,027 INFO L857 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,028 INFO L857 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-10-28 08:57:02,028 INFO L857 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-10-28 08:57:02,028 INFO L857 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-10-28 08:57:02,028 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,028 INFO L857 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,028 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,028 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-10-28 08:57:02,028 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,028 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-10-28 08:57:02,028 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 08:57:02,028 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,029 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,029 INFO L857 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-10-28 08:57:02,029 INFO L857 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-10-28 08:57:02,029 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,029 INFO L857 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,029 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,029 INFO L857 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,029 INFO L857 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,029 INFO L857 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,029 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,029 INFO L857 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-10-28 08:57:02,030 INFO L857 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-10-28 08:57:02,030 INFO L857 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-10-28 08:57:02,030 INFO L857 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-10-28 08:57:02,030 INFO L857 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-10-28 08:57:02,030 INFO L857 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,030 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,030 INFO L857 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,030 INFO L857 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,030 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,031 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,031 INFO L857 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,031 INFO L857 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,031 INFO L857 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,031 INFO L857 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,031 INFO L857 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-10-28 08:57:02,031 INFO L857 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-10-28 08:57:02,031 INFO L857 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-10-28 08:57:02,032 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,032 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,032 INFO L857 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,032 INFO L857 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,032 INFO L857 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,033 INFO L857 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,033 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,033 INFO L857 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,033 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,033 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 08:57:02,033 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1594) no Hoare annotation was computed. [2021-10-28 08:57:02,034 INFO L857 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-10-28 08:57:02,034 INFO L857 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-10-28 08:57:02,034 INFO L857 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-10-28 08:57:02,034 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-10-28 08:57:02,034 INFO L857 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-10-28 08:57:02,034 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,034 INFO L857 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,034 INFO L857 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,034 INFO L857 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,034 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,034 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,035 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,035 INFO L857 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,035 INFO L857 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-10-28 08:57:02,035 INFO L857 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-10-28 08:57:02,035 INFO L857 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-10-28 08:57:02,035 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,035 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,035 INFO L857 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,035 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-10-28 08:57:02,035 INFO L857 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-10-28 08:57:02,035 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,036 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,036 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,036 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-10-28 08:57:02,036 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,036 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-10-28 08:57:02,036 INFO L857 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,036 INFO L857 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-10-28 08:57:02,036 INFO L857 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,036 INFO L857 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,036 INFO L857 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-10-28 08:57:02,036 INFO L857 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-10-28 08:57:02,037 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-10-28 08:57:02,037 INFO L857 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-10-28 08:57:02,037 INFO L857 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-10-28 08:57:02,037 INFO L857 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-10-28 08:57:02,037 INFO L857 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-10-28 08:57:02,037 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,037 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,037 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,038 INFO L853 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse15 (<= ~a7~0 0)) (.cse10 (= ~a4~0 1)) (.cse6 (= ~a0~0 1)) (.cse14 (<= ~a3~0 1)) (.cse16 (= ~a12~0 ~a11~0)) (.cse5 (= ~a27~0 1)) (.cse8 (= ~a12~0 1)) (.cse12 (<= ~a3~0 0)) (.cse9 (= ~a11~0 0)) (.cse13 (<= ~a6~0 0)) (.cse0 (= ~a26~0 1)) (.cse1 (= ~a5~0 1)) (.cse17 (<= 2 ~a3~0)) (.cse2 (= ~a11~0 1)) (.cse3 (= ~a6~0 1)) (.cse4 (= ~a12~0 0)) (.cse7 (= ~a18~0 1)) (.cse11 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse8 .cse9 .cse3 .cse10 .cse6 .cse7 .cse11) (and .cse1 .cse12 .cse9 .cse3 .cse4 .cse6 .cse7 .cse11) (and .cse0 .cse1 .cse8 .cse9 .cse5 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse14 .cse9 .cse10 .cse4 .cse7 .cse11 .cse13) (and .cse15 .cse1 .cse8 .cse12 .cse9 .cse3 .cse6 .cse7 .cse11) (and .cse0 .cse1 .cse8 .cse12 .cse9 .cse5 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse9 .cse3 .cse10 .cse5 .cse7) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse7 .cse11) (and .cse1 .cse14 .cse16 .cse2 .cse3 .cse7 .cse11) (and .cse1 .cse8 .cse17 .cse9 .cse3 .cse10 .cse5 .cse7) (and .cse1 .cse8 .cse17 .cse9 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse16 .cse2 .cse10 .cse5 .cse6 .cse7 .cse13) (and .cse15 .cse1 .cse17 .cse16 .cse2 .cse3 .cse10 .cse5 .cse7) (and .cse0 .cse1 .cse12 .cse2 .cse4 .cse6 .cse7 .cse11 .cse13) (and .cse1 .cse17 .cse2 .cse4 .cse7 .cse11 .cse13) (and .cse1 .cse14 .cse16 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse17 .cse9 .cse4 .cse5 .cse7 .cse13) (and .cse1 .cse9 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse12 .cse9 .cse3 .cse7 .cse11) (and .cse1 .cse12 .cse9 .cse10 .cse4 .cse5 .cse7 .cse13) (and .cse1 (not .cse0) .cse12 .cse9 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse12 .cse16 .cse2 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse9 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse9 .cse3 .cse6 .cse7 .cse11) (and .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse13) (and .cse1 .cse9 .cse4 .cse6 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse7 .cse13) (and .cse1 .cse17 .cse9 .cse3 .cse4 .cse7 .cse11) (and .cse0 .cse1 .cse17 .cse16 .cse2 .cse5 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse9 .cse3 .cse10 .cse7 .cse11) (and .cse1 .cse12 .cse2 .cse10 .cse4 .cse5 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse2 .cse6 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse14 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse1 .cse8 .cse17 .cse9 .cse5 .cse6 .cse7 .cse13) (and .cse1 .cse12 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse12 .cse9 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse1 .cse12 .cse9 .cse3 .cse10 .cse4 .cse7 .cse11) (and .cse0 .cse1 .cse14 .cse16 .cse2 .cse3 .cse5 .cse7) (and .cse1 .cse9 .cse4 .cse5 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse2 .cse10 .cse5 .cse7 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7 .cse11) (and .cse1 .cse12 .cse2 .cse3 .cse4 .cse7 .cse11) (and .cse0 .cse1 .cse16 .cse2 .cse10 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse2 .cse10 .cse4 .cse6 .cse7 .cse11 .cse13) (and .cse1 .cse14 .cse2 .cse4 .cse5 (= ~a12~0 ~a19~0) .cse7 .cse13) (and .cse0 .cse1 .cse12 .cse16 .cse2 .cse5 .cse7 .cse13) (and .cse1 .cse8 .cse12 .cse9 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse17 .cse2 .cse3 .cse4 .cse7 .cse11))) [2021-10-28 08:57:02,038 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,038 INFO L857 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,038 INFO L857 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,038 INFO L857 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-10-28 08:57:02,038 INFO L857 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-10-28 08:57:02,038 INFO L857 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,038 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,039 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,039 INFO L860 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-10-28 08:57:02,039 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,039 INFO L857 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,039 INFO L857 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,039 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,039 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,039 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,039 INFO L857 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-10-28 08:57:02,039 INFO L857 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-10-28 08:57:02,039 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,040 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,040 INFO L857 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,040 INFO L857 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,040 INFO L857 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,040 INFO L857 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,040 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,040 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,040 INFO L857 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,040 INFO L857 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-10-28 08:57:02,040 INFO L857 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-10-28 08:57:02,040 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,041 INFO L857 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,041 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-10-28 08:57:02,041 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-10-28 08:57:02,041 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,041 INFO L853 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse15 (<= ~a7~0 0)) (.cse10 (= ~a4~0 1)) (.cse6 (= ~a0~0 1)) (.cse14 (<= ~a3~0 1)) (.cse16 (= ~a12~0 ~a11~0)) (.cse5 (= ~a27~0 1)) (.cse8 (= ~a12~0 1)) (.cse12 (<= ~a3~0 0)) (.cse9 (= ~a11~0 0)) (.cse13 (<= ~a6~0 0)) (.cse0 (= ~a26~0 1)) (.cse1 (= ~a5~0 1)) (.cse17 (<= 2 ~a3~0)) (.cse2 (= ~a11~0 1)) (.cse3 (= ~a6~0 1)) (.cse4 (= ~a12~0 0)) (.cse7 (= ~a18~0 1)) (.cse11 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse8 .cse9 .cse3 .cse10 .cse6 .cse7 .cse11) (and .cse1 .cse12 .cse9 .cse3 .cse4 .cse6 .cse7 .cse11) (and .cse0 .cse1 .cse8 .cse9 .cse5 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse14 .cse9 .cse10 .cse4 .cse7 .cse11 .cse13) (and .cse15 .cse1 .cse8 .cse12 .cse9 .cse3 .cse6 .cse7 .cse11) (and .cse0 .cse1 .cse8 .cse12 .cse9 .cse5 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse9 .cse3 .cse10 .cse5 .cse7) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse7 .cse11) (and .cse1 .cse14 .cse16 .cse2 .cse3 .cse7 .cse11) (and .cse1 .cse8 .cse17 .cse9 .cse3 .cse10 .cse5 .cse7) (and .cse1 .cse8 .cse17 .cse9 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse16 .cse2 .cse10 .cse5 .cse6 .cse7 .cse13) (and .cse15 .cse1 .cse17 .cse16 .cse2 .cse3 .cse10 .cse5 .cse7) (and .cse0 .cse1 .cse12 .cse2 .cse4 .cse6 .cse7 .cse11 .cse13) (and .cse1 .cse17 .cse2 .cse4 .cse7 .cse11 .cse13) (and .cse1 .cse14 .cse16 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse17 .cse9 .cse4 .cse5 .cse7 .cse13) (and .cse1 .cse9 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse12 .cse9 .cse3 .cse7 .cse11) (and .cse1 .cse12 .cse9 .cse10 .cse4 .cse5 .cse7 .cse13) (and .cse1 (not .cse0) .cse12 .cse9 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse12 .cse16 .cse2 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse9 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse9 .cse3 .cse6 .cse7 .cse11) (and .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse13) (and .cse1 .cse9 .cse4 .cse6 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse7 .cse13) (and .cse1 .cse17 .cse9 .cse3 .cse4 .cse7 .cse11) (and .cse0 .cse1 .cse17 .cse16 .cse2 .cse5 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse9 .cse3 .cse10 .cse7 .cse11) (and .cse1 .cse12 .cse2 .cse10 .cse4 .cse5 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse2 .cse6 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse14 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse1 .cse8 .cse17 .cse9 .cse5 .cse6 .cse7 .cse13) (and .cse1 .cse12 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse12 .cse9 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse1 .cse12 .cse9 .cse3 .cse10 .cse4 .cse7 .cse11) (and .cse0 .cse1 .cse14 .cse16 .cse2 .cse3 .cse5 .cse7) (and .cse1 .cse9 .cse4 .cse5 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse2 .cse10 .cse5 .cse7 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7 .cse11) (and .cse1 .cse12 .cse2 .cse3 .cse4 .cse7 .cse11) (and .cse0 .cse1 .cse16 .cse2 .cse10 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse2 .cse10 .cse4 .cse6 .cse7 .cse11 .cse13) (and .cse1 .cse14 .cse2 .cse4 .cse5 (= ~a12~0 ~a19~0) .cse7 .cse13) (and .cse0 .cse1 .cse12 .cse16 .cse2 .cse5 .cse7 .cse13) (and .cse1 .cse8 .cse12 .cse9 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse17 .cse2 .cse3 .cse4 .cse7 .cse11))) [2021-10-28 08:57:02,041 INFO L857 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,041 INFO L857 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,042 INFO L857 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,042 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,042 INFO L857 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-10-28 08:57:02,042 INFO L857 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-10-28 08:57:02,042 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,042 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,042 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,042 INFO L857 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,042 INFO L857 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,042 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,042 INFO L857 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,043 INFO L857 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,043 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 08:57:02,043 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-10-28 08:57:02,043 INFO L857 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-10-28 08:57:02,043 INFO L857 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-10-28 08:57:02,043 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,043 INFO L857 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-10-28 08:57:02,043 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,043 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,043 INFO L857 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-10-28 08:57:02,043 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,044 INFO L857 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,044 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,044 INFO L857 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,044 INFO L857 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,044 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-10-28 08:57:02,044 INFO L857 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,044 INFO L857 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-10-28 08:57:02,044 INFO L857 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-10-28 08:57:02,044 INFO L857 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-10-28 08:57:02,045 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,045 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,045 INFO L857 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,045 INFO L857 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,045 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,045 INFO L857 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,045 INFO L857 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,046 INFO L857 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,046 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-10-28 08:57:02,046 INFO L857 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-10-28 08:57:02,046 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,046 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,046 INFO L857 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-10-28 08:57:02,046 INFO L857 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-10-28 08:57:02,046 INFO L857 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-10-28 08:57:02,047 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,047 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,047 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,047 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,047 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,047 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 08:57:02,047 INFO L857 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,048 INFO L857 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,048 INFO L857 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,048 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,048 INFO L857 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,048 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,048 INFO L857 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-10-28 08:57:02,048 INFO L857 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-10-28 08:57:02,048 INFO L857 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-10-28 08:57:02,048 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,049 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,049 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,049 INFO L857 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,049 INFO L857 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,049 INFO L857 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,049 INFO L857 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,049 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-10-28 08:57:02,049 INFO L857 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-10-28 08:57:02,050 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,050 INFO L857 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-10-28 08:57:02,050 INFO L857 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-10-28 08:57:02,050 INFO L857 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-10-28 08:57:02,050 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,050 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,050 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,050 INFO L857 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,051 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-10-28 08:57:02,051 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-10-28 08:57:02,051 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-10-28 08:57:02,051 INFO L857 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,051 INFO L857 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,051 INFO L857 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:02,055 INFO L731 BasicCegarLoop]: Path program histogram: [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 08:57:02,056 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:57:02,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:57:02 BoogieIcfgContainer [2021-10-28 08:57:02,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:57:02,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:57:02,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:57:02,129 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:57:02,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:55:26" (3/4) ... [2021-10-28 08:57:02,134 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 08:57:02,201 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 08:57:02,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 08:57:02,211 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:57:02,215 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:57:02,473 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:57:02,474 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:57:02,475 INFO L168 Benchmark]: Toolchain (without parser) took 100409.67 ms. Allocated memory was 86.0 MB in the beginning and 12.8 GB in the end (delta: 12.7 GB). Free memory was 44.9 MB in the beginning and 10.1 GB in the end (delta: -10.1 GB). Peak memory consumption was 2.7 GB. Max. memory is 16.1 GB. [2021-10-28 08:57:02,476 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory was 67.1 MB in the beginning and 67.0 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:57:02,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1371.19 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 44.8 MB in the beginning and 57.6 MB in the end (delta: -12.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:57:02,477 INFO L168 Benchmark]: Boogie Procedure Inliner took 212.49 ms. Allocated memory is still 104.9 MB. Free memory was 57.6 MB in the beginning and 67.0 MB in the end (delta: -9.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:57:02,478 INFO L168 Benchmark]: Boogie Preprocessor took 165.69 ms. Allocated memory is still 104.9 MB. Free memory was 67.0 MB in the beginning and 56.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:57:02,478 INFO L168 Benchmark]: RCFGBuilder took 2415.46 ms. Allocated memory was 104.9 MB in the beginning and 146.8 MB in the end (delta: 41.9 MB). Free memory was 56.8 MB in the beginning and 90.5 MB in the end (delta: -33.7 MB). Peak memory consumption was 45.8 MB. Max. memory is 16.1 GB. [2021-10-28 08:57:02,479 INFO L168 Benchmark]: TraceAbstraction took 95891.61 ms. Allocated memory was 146.8 MB in the beginning and 12.8 GB in the end (delta: 12.7 GB). Free memory was 89.6 MB in the beginning and 10.1 GB in the end (delta: -10.1 GB). Peak memory consumption was 3.1 GB. Max. memory is 16.1 GB. [2021-10-28 08:57:02,479 INFO L168 Benchmark]: Witness Printer took 344.93 ms. Allocated memory is still 12.8 GB. Free memory was 10.1 GB in the beginning and 10.1 GB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-28 08:57:02,482 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory was 67.1 MB in the beginning and 67.0 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1371.19 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 44.8 MB in the beginning and 57.6 MB in the end (delta: -12.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 212.49 ms. Allocated memory is still 104.9 MB. Free memory was 57.6 MB in the beginning and 67.0 MB in the end (delta: -9.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 165.69 ms. Allocated memory is still 104.9 MB. Free memory was 67.0 MB in the beginning and 56.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2415.46 ms. Allocated memory was 104.9 MB in the beginning and 146.8 MB in the end (delta: 41.9 MB). Free memory was 56.8 MB in the beginning and 90.5 MB in the end (delta: -33.7 MB). Peak memory consumption was 45.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 95891.61 ms. Allocated memory was 146.8 MB in the beginning and 12.8 GB in the end (delta: 12.7 GB). Free memory was 89.6 MB in the beginning and 10.1 GB in the end (delta: -10.1 GB). Peak memory consumption was 3.1 GB. Max. memory is 16.1 GB. * Witness Printer took 344.93 ms. Allocated memory is still 12.8 GB. Free memory was 10.1 GB in the beginning and 10.1 GB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 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: 1594]: 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: 95.7s, OverallIterations: 23, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.0s, AutomataDifference: 33.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4104 SDtfs, 4410 SDslu, 1022 SDs, 0 SdLazy, 13013 SolverSat, 1963 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3623 GetRequests, 3574 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=169383occurred in iteration=22, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 19.0s AutomataMinimizationTime, 23 MinimizatonAttempts, 18177 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 1481 NumberOfFragments, 2487 HoareAnnotationTreeSize, 3 FomulaSimplifications, 61856 FormulaSimplificationTreeSizeReduction, 6.5s HoareSimplificationTime, 3 FomulaSimplificationsInter, 8212 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 15.7s InterpolantComputationTime, 10498 NumberOfCodeBlocks, 10498 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 10465 ConstructedInterpolants, 0 QuantifiedInterpolants, 31565 SizeOfPredicates, 0 NumberOfNonLiveVariables, 6459 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 33 InterpolantComputations, 23 PerfectInterpolantSequences, 7375/7476 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: (((((((((((((((((((((((((((((((((((((((((((((((((((((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1) || (((((((a5 == 1 && a12 == 1) && a11 == 0) && a6 == 1) && a4 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 0) && a11 == 0) && a6 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 0) && a4 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a7 <= 0 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a6 == 1) && a4 == 1) && a27 == 1) && a18 == 1)) || ((((((a26 == 1 && a5 == 1) && a11 == 0) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 1) && a12 == a11) && a11 == 1) && a6 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a4 == 1) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a4 == 1) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a7 <= 0 && a5 == 1) && 2 <= a3) && a12 == a11) && a11 == 1) && a6 == 1) && a4 == 1) && a27 == 1) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a3 <= 0) && a11 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && a11 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a5 == 1 && a3 <= 1) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && 2 <= a3) && a11 == 0) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((a5 == 1 && a11 == 0) && a6 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 0) && a11 == 0) && a4 == 1) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a5 == 1 && !(a26 == 1)) && a3 <= 0) && a11 == 0) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a3 <= 0) && a12 == a11) && a11 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a11 == 1) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a11 == 0) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a11 == 1) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && a11 == 0) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || ((((((((a26 == 1 && a5 == 1) && 2 <= a3) && a12 == a11) && a11 == 1) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a6 == 1) && a4 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 0) && a11 == 1) && a4 == 1) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 1) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a5 == 1 && a3 <= 0) && a11 == 0) && a6 == 1) && a4 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a11 == 0) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 1) && a4 == 1) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a4 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a11 == 1) && a4 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a5 == 1 && a3 <= 1) && a11 == 1) && a12 == 0) && a27 == 1) && a12 == a19) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 0) && a12 == a11) && a11 == 1) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a3 <= 0) && a11 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && 2 <= a3) && a11 == 1) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1) || (((((((a5 == 1 && a12 == 1) && a11 == 0) && a6 == 1) && a4 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 0) && a11 == 0) && a6 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 0) && a4 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a7 <= 0 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a6 == 1) && a4 == 1) && a27 == 1) && a18 == 1)) || ((((((a26 == 1 && a5 == 1) && a11 == 0) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 1) && a12 == a11) && a11 == 1) && a6 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a4 == 1) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a4 == 1) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a7 <= 0 && a5 == 1) && 2 <= a3) && a12 == a11) && a11 == 1) && a6 == 1) && a4 == 1) && a27 == 1) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a3 <= 0) && a11 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && a11 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a5 == 1 && a3 <= 1) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && 2 <= a3) && a11 == 0) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((a5 == 1 && a11 == 0) && a6 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 0) && a11 == 0) && a4 == 1) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a5 == 1 && !(a26 == 1)) && a3 <= 0) && a11 == 0) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a3 <= 0) && a12 == a11) && a11 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a11 == 1) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a11 == 0) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a11 == 1) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && a11 == 0) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || ((((((((a26 == 1 && a5 == 1) && 2 <= a3) && a12 == a11) && a11 == 1) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a6 == 1) && a4 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 0) && a11 == 1) && a4 == 1) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 1) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a5 == 1 && a3 <= 0) && a11 == 0) && a6 == 1) && a4 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a11 == 0) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 1) && a4 == 1) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a4 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a11 == 1) && a4 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a5 == 1 && a3 <= 1) && a11 == 1) && a12 == 0) && a27 == 1) && a12 == a19) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 0) && a12 == a11) && a11 == 1) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a3 <= 0) && a11 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && 2 <= a3) && a11 == 1) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) RESULT: Ultimate proved your program to be correct! [2021-10-28 08:57:02,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd1dc37d-658b-4afa-879b-4c6f330f7704/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...