/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/triangular-longer-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 13:00:57,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 13:00:57,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 13:00:57,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 13:00:57,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 13:00:57,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 13:00:57,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 13:00:57,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 13:00:57,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 13:00:57,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 13:00:57,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 13:00:57,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 13:00:57,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 13:00:57,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 13:00:57,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 13:00:57,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 13:00:57,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 13:00:57,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 13:00:57,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 13:00:57,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 13:00:57,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 13:00:57,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 13:00:57,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 13:00:57,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 13:00:57,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 13:00:57,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 13:00:57,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 13:00:57,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 13:00:57,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 13:00:57,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 13:00:57,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 13:00:57,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 13:00:57,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 13:00:57,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 13:00:57,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 13:00:57,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 13:00:57,556 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random42.epf [2021-06-06 13:00:57,584 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 13:00:57,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 13:00:57,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 13:00:57,584 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 13:00:57,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 13:00:57,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 13:00:57,587 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 13:00:57,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 13:00:57,587 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 13:00:57,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 13:00:57,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 13:00:57,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 13:00:57,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 13:00:57,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 13:00:57,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 13:00:57,588 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 13:00:57,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 13:00:57,588 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 13:00:57,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 13:00:57,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 13:00:57,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 13:00:57,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 13:00:57,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 13:00:57,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 13:00:57,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 13:00:57,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 13:00:57,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 13:00:57,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 13:00:57,589 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 13:00:57,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 13:00:57,589 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 13:00:57,589 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 13:00:57,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 13:00:57,590 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 13:00:57,590 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 13:00:57,590 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 13:00:57,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 13:00:57,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 13:00:57,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 13:00:57,877 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 13:00:57,877 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 13:00:57,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-longer-2.i [2021-06-06 13:00:57,925 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e86653be/a03ef0de43b34f8892d12dde7fafbb38/FLAG24c1f10b4 [2021-06-06 13:00:58,397 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 13:00:58,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longer-2.i [2021-06-06 13:00:58,410 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e86653be/a03ef0de43b34f8892d12dde7fafbb38/FLAG24c1f10b4 [2021-06-06 13:00:58,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e86653be/a03ef0de43b34f8892d12dde7fafbb38 [2021-06-06 13:00:58,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 13:00:58,432 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 13:00:58,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 13:00:58,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 13:00:58,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 13:00:58,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 01:00:58" (1/1) ... [2021-06-06 13:00:58,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b0b443c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:58, skipping insertion in model container [2021-06-06 13:00:58,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 01:00:58" (1/1) ... [2021-06-06 13:00:58,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 13:00:58,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 13:00:58,767 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longer-2.i[30963,30976] [2021-06-06 13:00:58,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 13:00:58,775 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 13:00:58,809 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longer-2.i[30963,30976] [2021-06-06 13:00:58,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 13:00:58,847 INFO L208 MainTranslator]: Completed translation [2021-06-06 13:00:58,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:58 WrapperNode [2021-06-06 13:00:58,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 13:00:58,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 13:00:58,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 13:00:58,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 13:00:58,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:58" (1/1) ... [2021-06-06 13:00:58,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:58" (1/1) ... [2021-06-06 13:00:58,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 13:00:58,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 13:00:58,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 13:00:58,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 13:00:58,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:58" (1/1) ... [2021-06-06 13:00:58,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:58" (1/1) ... [2021-06-06 13:00:58,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:58" (1/1) ... [2021-06-06 13:00:58,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:58" (1/1) ... [2021-06-06 13:00:58,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:58" (1/1) ... [2021-06-06 13:00:58,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:58" (1/1) ... [2021-06-06 13:00:58,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:58" (1/1) ... [2021-06-06 13:00:58,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 13:00:58,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 13:00:58,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 13:00:58,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 13:00:58,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 13:00:58,980 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-06-06 13:00:58,982 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-06-06 13:00:58,982 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-06-06 13:00:58,982 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-06-06 13:00:58,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 13:00:58,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 13:00:58,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 13:00:58,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 13:00:58,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 13:00:58,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 13:00:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 13:00:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 13:00:58,988 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 13:00:59,338 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 13:00:59,338 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-06 13:00:59,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 01:00:59 BoogieIcfgContainer [2021-06-06 13:00:59,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 13:00:59,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 13:00:59,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 13:00:59,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 13:00:59,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 01:00:58" (1/3) ... [2021-06-06 13:00:59,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dbda152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 01:00:59, skipping insertion in model container [2021-06-06 13:00:59,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:58" (2/3) ... [2021-06-06 13:00:59,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dbda152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 01:00:59, skipping insertion in model container [2021-06-06 13:00:59,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 01:00:59" (3/3) ... [2021-06-06 13:00:59,346 INFO L111 eAbstractionObserver]: Analyzing ICFG triangular-longer-2.i [2021-06-06 13:00:59,350 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 13:00:59,350 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 13:00:59,353 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 13:00:59,354 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 13:00:59,378 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,378 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,378 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,378 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,379 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,379 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,379 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,379 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,380 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,380 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,381 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,381 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,381 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,381 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,381 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,381 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,382 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,382 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,382 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,383 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,383 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,383 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,383 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,383 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,383 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,383 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,384 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,384 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,384 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,385 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,385 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,385 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,385 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,385 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,385 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,385 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,386 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,386 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,386 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,386 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,386 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,386 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,386 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,387 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,387 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,387 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,387 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,387 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,387 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,387 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,387 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,387 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,388 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,388 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,389 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,389 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,391 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,391 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,391 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,391 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,391 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,391 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,396 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,396 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,396 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,397 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,397 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,397 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:59,398 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 13:00:59,413 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 13:00:59,454 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 13:00:59,454 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 13:00:59,454 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 13:00:59,454 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 13:00:59,454 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 13:00:59,454 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 13:00:59,454 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 13:00:59,455 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 13:00:59,602 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:00:59,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:00:59,606 INFO L82 PathProgramCache]: Analyzing trace with hash 2124835093, now seen corresponding path program 1 times [2021-06-06 13:00:59,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:00:59,612 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850115362] [2021-06-06 13:00:59,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:00:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:00:59,879 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:00:59,880 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:00:59,880 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850115362] [2021-06-06 13:00:59,880 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850115362] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:59,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985515465] [2021-06-06 13:00:59,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:01:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:01:00,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 13:01:00,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:01:00,234 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:01:00,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985515465] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:01:00,235 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 13:01:00,235 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2021-06-06 13:01:00,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017433462] [2021-06-06 13:01:00,240 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 13:01:00,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:01:00,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 13:01:00,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-06-06 13:01:00,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:01:00,250 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:01:00,252 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 13:01:00,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:01:00,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:01:00,665 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-06 13:01:00,665 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:01:00,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:01:00,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1079392951, now seen corresponding path program 2 times [2021-06-06 13:01:00,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:01:00,666 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247625696] [2021-06-06 13:01:00,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:01:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:01:00,792 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:01:00,792 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:01:00,792 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247625696] [2021-06-06 13:01:00,792 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247625696] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:01:00,792 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802529524] [2021-06-06 13:01:00,792 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:01:00,866 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 13:01:00,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 13:01:00,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 13:01:00,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:01:00,961 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:01:00,961 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802529524] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:01:00,961 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 13:01:00,962 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2021-06-06 13:01:00,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710100893] [2021-06-06 13:01:00,962 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 13:01:00,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:01:00,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 13:01:00,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-06 13:01:00,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:01:00,963 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:01:00,963 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 13:01:00,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:01:00,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:01:01,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:01:01,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:01:01,529 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:01:01,529 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:01:01,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:01:01,529 INFO L82 PathProgramCache]: Analyzing trace with hash 317733862, now seen corresponding path program 3 times [2021-06-06 13:01:01,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:01:01,530 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726355470] [2021-06-06 13:01:01,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:01:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:01:01,677 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:01:01,678 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:01:01,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726355470] [2021-06-06 13:01:01,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726355470] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:01:01,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336658309] [2021-06-06 13:01:01,678 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:01:01,764 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 13:01:01,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 13:01:01,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 13:01:01,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:01:01,940 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:01:01,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336658309] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:01:01,941 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 13:01:01,941 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 13 [2021-06-06 13:01:01,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36417440] [2021-06-06 13:01:01,942 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 13:01:01,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:01:01,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 13:01:01,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-06-06 13:01:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:01:01,945 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:01:01,945 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 13:01:01,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:01:01,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:01:01,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:01:02,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:01:02,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:01:02,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 13:01:02,543 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:01:02,543 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:01:02,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:01:02,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1449108273, now seen corresponding path program 4 times [2021-06-06 13:01:02,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:01:02,544 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550226025] [2021-06-06 13:01:02,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:01:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:01:02,760 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:01:02,760 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:01:02,761 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550226025] [2021-06-06 13:01:02,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550226025] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:01:02,761 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847241881] [2021-06-06 13:01:02,761 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:01:02,831 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 13:01:02,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 13:01:02,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 13:01:02,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:01:02,998 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:01:02,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847241881] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:01:02,998 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 13:01:02,998 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2021-06-06 13:01:02,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213001468] [2021-06-06 13:01:02,999 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 13:01:03,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:01:03,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 13:01:03,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-06-06 13:01:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:01:03,001 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:01:03,001 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 5.875) internal successors, (94), 16 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 13:01:03,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:01:03,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:01:03,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 13:01:03,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:01:03,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:01:03,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:01:03,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 13:01:03,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 13:01:03,709 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:01:03,709 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:01:03,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:01:03,710 INFO L82 PathProgramCache]: Analyzing trace with hash -33904452, now seen corresponding path program 5 times [2021-06-06 13:01:03,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:01:03,710 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423150355] [2021-06-06 13:01:03,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:01:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:01:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:01:03,893 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:01:03,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423150355] [2021-06-06 13:01:03,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423150355] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:01:03,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138111197] [2021-06-06 13:01:03,898 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:01:03,969 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-06 13:01:03,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 13:01:03,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-06 13:01:03,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:01:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:01:04,125 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138111197] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:01:04,125 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 13:01:04,125 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 17 [2021-06-06 13:01:04,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360647508] [2021-06-06 13:01:04,125 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 13:01:04,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:01:04,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 13:01:04,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2021-06-06 13:01:04,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:01:04,126 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:01:04,126 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 5.705882352941177) internal successors, (97), 17 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 13:01:04,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:01:04,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:01:04,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 13:01:04,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 13:01:04,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:01:04,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:01:04,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:01:04,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 13:01:04,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 13:01:04,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 13:01:04,835 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:01:04,835 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:01:04,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:01:04,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1870691463, now seen corresponding path program 6 times [2021-06-06 13:01:04,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:01:04,836 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128769027] [2021-06-06 13:01:04,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:01:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:01:05,020 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:01:05,021 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:01:05,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128769027] [2021-06-06 13:01:05,021 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128769027] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:01:05,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375524548] [2021-06-06 13:01:05,021 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:01:05,092 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-06 13:01:05,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 13:01:05,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-06 13:01:05,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:01:05,298 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:01:05,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375524548] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:01:05,299 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 13:01:05,299 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-06-06 13:01:05,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785547165] [2021-06-06 13:01:05,299 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 13:01:05,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:01:05,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 13:01:05,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2021-06-06 13:01:05,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:01:05,301 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:01:05,301 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 5.7) internal successors, (114), 20 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 13:01:05,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:01:05,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:01:05,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 13:01:05,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 13:01:05,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 13:01:05,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:01:05,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:01:05,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:01:05,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 13:01:05,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 13:01:05,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 13:01:05,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 13:01:06,169 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:01:06,169 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:01:06,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:01:06,169 INFO L82 PathProgramCache]: Analyzing trace with hash 259280530, now seen corresponding path program 7 times [2021-06-06 13:01:06,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:01:06,169 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977612639] [2021-06-06 13:01:06,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:01:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:01:06,441 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:01:06,442 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:01:06,442 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977612639] [2021-06-06 13:01:06,442 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977612639] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:01:06,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480686041] [2021-06-06 13:01:06,444 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:01:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:01:06,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-06 13:01:06,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:01:06,710 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:01:06,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480686041] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:01:06,711 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 13:01:06,711 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 21 [2021-06-06 13:01:06,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738245695] [2021-06-06 13:01:06,711 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 13:01:06,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:01:06,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 13:01:06,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2021-06-06 13:01:06,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:01:06,712 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:01:06,714 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 5.571428571428571) internal successors, (117), 21 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 13:01:06,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:01:06,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:01:06,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 13:01:06,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 13:01:06,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 13:01:06,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 13:01:06,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:01:07,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:01:07,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:01:07,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 13:01:07,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 13:01:07,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 13:01:07,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 13:01:07,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 13:01:07,708 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-06 13:01:07,709 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:01:07,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:01:07,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1675800867, now seen corresponding path program 8 times [2021-06-06 13:01:07,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:01:07,709 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276210281] [2021-06-06 13:01:07,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:01:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:01:07,967 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:01:07,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:01:07,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276210281] [2021-06-06 13:01:07,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276210281] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:01:07,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298312957] [2021-06-06 13:01:07,969 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:01:08,043 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 13:01:08,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 13:01:08,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-06 13:01:08,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:01:08,241 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:01:08,241 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298312957] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:01:08,241 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 13:01:08,242 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 24 [2021-06-06 13:01:08,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248637701] [2021-06-06 13:01:08,243 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-06 13:01:08,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:01:08,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-06 13:01:08,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2021-06-06 13:01:08,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:01:08,244 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:01:08,244 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 5.583333333333333) internal successors, (134), 24 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 13:01:08,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:01:08,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:01:08,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 13:01:08,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 13:01:08,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 13:01:08,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 13:01:08,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 13:01:08,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:01:09,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:01:09,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:01:09,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 13:01:09,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 13:01:09,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 13:01:09,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 13:01:09,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 13:01:09,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 13:01:09,276 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:01:09,277 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:01:09,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:01:09,277 INFO L82 PathProgramCache]: Analyzing trace with hash -930697880, now seen corresponding path program 9 times [2021-06-06 13:01:09,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:01:09,277 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894900961] [2021-06-06 13:01:09,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:01:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:01:09,489 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 399 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:01:09,490 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:01:09,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894900961] [2021-06-06 13:01:09,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894900961] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:01:09,490 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388286702] [2021-06-06 13:01:09,490 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:01:09,580 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-06-06 13:01:09,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 13:01:09,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-06 13:01:09,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:01:09,812 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 444 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:01:09,812 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388286702] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:01:09,813 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 13:01:09,813 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 25 [2021-06-06 13:01:09,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773065794] [2021-06-06 13:01:09,813 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 13:01:09,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:01:09,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 13:01:09,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2021-06-06 13:01:09,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:01:09,814 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:01:09,814 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 5.92) internal successors, (148), 25 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 13:01:09,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:01:09,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:01:09,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 13:01:09,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 13:01:09,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 13:01:09,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 13:01:09,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 13:01:09,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 13:01:09,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:01:11,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:01:11,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:01:11,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 13:01:11,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 13:01:11,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 13:01:11,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 13:01:11,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 13:01:11,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 13:01:11,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 13:01:11,401 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:01:11,401 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:01:11,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:01:11,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1891197546, now seen corresponding path program 10 times [2021-06-06 13:01:11,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:01:11,402 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097130179] [2021-06-06 13:01:11,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:01:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-06 13:01:11,415 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-06 13:01:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-06 13:01:11,427 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-06 13:01:11,463 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-06 13:01:11,463 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-06 13:01:11,463 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-06 13:01:11,471 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 13:01:11,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 01:01:11 BasicIcfg [2021-06-06 13:01:11,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 13:01:11,579 INFO L168 Benchmark]: Toolchain (without parser) took 13147.09 ms. Allocated memory was 343.9 MB in the beginning and 715.1 MB in the end (delta: 371.2 MB). Free memory was 306.9 MB in the beginning and 442.9 MB in the end (delta: -136.0 MB). Peak memory consumption was 237.3 MB. Max. memory is 16.0 GB. [2021-06-06 13:01:11,579 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 343.9 MB. Free memory was 324.8 MB in the beginning and 324.6 MB in the end (delta: 157.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 13:01:11,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.02 ms. Allocated memory is still 343.9 MB. Free memory was 306.6 MB in the beginning and 307.0 MB in the end (delta: -445.2 kB). Peak memory consumption was 13.5 MB. Max. memory is 16.0 GB. [2021-06-06 13:01:11,579 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.99 ms. Allocated memory is still 343.9 MB. Free memory was 307.0 MB in the beginning and 305.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 13:01:11,579 INFO L168 Benchmark]: Boogie Preprocessor took 31.37 ms. Allocated memory is still 343.9 MB. Free memory was 305.0 MB in the beginning and 304.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 13:01:11,579 INFO L168 Benchmark]: RCFGBuilder took 434.28 ms. Allocated memory is still 343.9 MB. Free memory was 304.0 MB in the beginning and 281.9 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-06 13:01:11,579 INFO L168 Benchmark]: TraceAbstraction took 12237.48 ms. Allocated memory was 343.9 MB in the beginning and 715.1 MB in the end (delta: 371.2 MB). Free memory was 280.9 MB in the beginning and 442.9 MB in the end (delta: -162.0 MB). Peak memory consumption was 209.2 MB. Max. memory is 16.0 GB. [2021-06-06 13:01:11,580 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 343.9 MB. Free memory was 324.8 MB in the beginning and 324.6 MB in the end (delta: 157.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 413.02 ms. Allocated memory is still 343.9 MB. Free memory was 306.6 MB in the beginning and 307.0 MB in the end (delta: -445.2 kB). Peak memory consumption was 13.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.99 ms. Allocated memory is still 343.9 MB. Free memory was 307.0 MB in the beginning and 305.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 31.37 ms. Allocated memory is still 343.9 MB. Free memory was 305.0 MB in the beginning and 304.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 434.28 ms. Allocated memory is still 343.9 MB. Free memory was 304.0 MB in the beginning and 281.9 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 12237.48 ms. Allocated memory was 343.9 MB in the beginning and 715.1 MB in the end (delta: 371.2 MB). Free memory was 280.9 MB in the beginning and 442.9 MB in the end (delta: -162.0 MB). Peak memory consumption was 209.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 271250, positive: 227078, positive conditional: 227078, positive unconditional: 0, negative: 44172, negative conditional: 44172, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 228653, positive: 227078, positive conditional: 227078, positive unconditional: 0, negative: 1575, negative conditional: 1575, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 228653, positive: 226914, positive conditional: 0, positive unconditional: 226914, negative: 1739, negative conditional: 0, negative unconditional: 1739, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 464, positive: 461, positive conditional: 0, positive unconditional: 461, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 464, positive: 461, positive conditional: 0, positive unconditional: 461, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 190, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 174, negative conditional: 171, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 217, negative conditional: 177, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 228653, positive: 226453, positive conditional: 0, positive unconditional: 226453, negative: 1736, negative conditional: 0, negative unconditional: 1736, unknown: 464, unknown conditional: 0, unknown unconditional: 464] , Statistics on independence cache: Total cache size (in pairs): 651, Positive cache size: 477, Positive conditional cache size: 16, Positive unconditional cache size: 461, Negative cache size: 174, Negative conditional cache size: 171, Negative unconditional cache size: 3, SemanticConditionEliminator.Independence Queries: [ total: 11729, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 11565, negative conditional: 6653, negative unconditional: 4912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11729, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 11565, negative conditional: 6653, negative unconditional: 4912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 190, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 174, negative conditional: 171, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 217, negative conditional: 177, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11729, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 11394, negative conditional: 6482, negative unconditional: 4912, unknown: 187, unknown conditional: 187, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 651, Positive cache size: 477, Positive conditional cache size: 16, Positive unconditional cache size: 461, Negative cache size: 174, Negative conditional cache size: 171, Negative unconditional cache size: 3, Eliminated conditions: 4912, SemanticConditionEliminator.Independence Queries: [ total: 11729, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 11565, negative conditional: 6653, negative unconditional: 4912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11729, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 11565, negative conditional: 6653, negative unconditional: 4912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 190, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 174, negative conditional: 171, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 217, negative conditional: 177, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11729, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 11394, negative conditional: 6482, negative unconditional: 4912, unknown: 187, unknown conditional: 187, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 651, Positive cache size: 477, Positive conditional cache size: 16, Positive unconditional cache size: 461, Negative cache size: 174, Negative conditional cache size: 171, Negative unconditional cache size: 3, Eliminated conditions: 4912, SemanticConditionEliminator.Independence Queries: [ total: 11729, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 11565, negative conditional: 6653, negative unconditional: 4912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11729, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 11565, negative conditional: 6653, negative unconditional: 4912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 190, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 174, negative conditional: 171, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 217, negative conditional: 177, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11729, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 11394, negative conditional: 6482, negative unconditional: 4912, unknown: 187, unknown conditional: 187, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 651, Positive cache size: 477, Positive conditional cache size: 16, Positive unconditional cache size: 461, Negative cache size: 174, Negative conditional cache size: 171, Negative unconditional cache size: 3, Eliminated conditions: 4912, SemanticConditionEliminator.Independence Queries: [ total: 11729, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 11565, negative conditional: 6653, negative unconditional: 4912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11729, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 11565, negative conditional: 6653, negative unconditional: 4912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 190, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 174, negative conditional: 171, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 217, negative conditional: 177, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11729, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 11394, negative conditional: 6482, negative unconditional: 4912, unknown: 187, unknown conditional: 187, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 651, Positive cache size: 477, Positive conditional cache size: 16, Positive unconditional cache size: 461, Negative cache size: 174, Negative conditional cache size: 171, Negative unconditional cache size: 3, Eliminated conditions: 4912, SemanticConditionEliminator.Independence Queries: [ total: 11729, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 11565, negative conditional: 6653, negative unconditional: 4912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11729, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 11565, negative conditional: 6653, negative unconditional: 4912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 190, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 174, negative conditional: 171, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 217, negative conditional: 177, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11729, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 11394, negative conditional: 6482, negative unconditional: 4912, unknown: 187, unknown conditional: 187, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 651, Positive cache size: 477, Positive conditional cache size: 16, Positive unconditional cache size: 461, Negative cache size: 174, Negative conditional cache size: 171, Negative unconditional cache size: 3, Eliminated conditions: 4912, SemanticConditionEliminator.Independence Queries: [ total: 11729, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 11565, negative conditional: 6653, negative unconditional: 4912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11729, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 11565, negative conditional: 6653, negative unconditional: 4912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 190, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 174, negative conditional: 171, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 217, negative conditional: 177, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11729, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 11394, negative conditional: 6482, negative unconditional: 4912, unknown: 187, unknown conditional: 187, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 651, Positive cache size: 477, Positive conditional cache size: 16, Positive unconditional cache size: 461, Negative cache size: 174, Negative conditional cache size: 171, Negative unconditional cache size: 3, Eliminated conditions: 4912, SemanticConditionEliminator.Independence Queries: [ total: 11729, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 11565, negative conditional: 6653, negative unconditional: 4912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11729, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 11565, negative conditional: 6653, negative unconditional: 4912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 190, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 174, negative conditional: 171, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 217, negative conditional: 177, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11729, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 11394, negative conditional: 6482, negative unconditional: 4912, unknown: 187, unknown conditional: 187, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 651, Positive cache size: 477, Positive conditional cache size: 16, Positive unconditional cache size: 461, Negative cache size: 174, Negative conditional cache size: 171, Negative unconditional cache size: 3, Eliminated conditions: 4912, SemanticConditionEliminator.Independence Queries: [ total: 11729, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 11565, negative conditional: 6653, negative unconditional: 4912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11729, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 11565, negative conditional: 6653, negative unconditional: 4912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 190, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 174, negative conditional: 171, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 217, negative conditional: 177, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11729, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 11394, negative conditional: 6482, negative unconditional: 4912, unknown: 187, unknown conditional: 187, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 651, Positive cache size: 477, Positive conditional cache size: 16, Positive unconditional cache size: 461, Negative cache size: 174, Negative conditional cache size: 171, Negative unconditional cache size: 3, Eliminated conditions: 4912, SemanticConditionEliminator.Independence Queries: [ total: 11729, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 11565, negative conditional: 6653, negative unconditional: 4912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11729, positive: 164, positive conditional: 164, positive unconditional: 0, negative: 11565, negative conditional: 6653, negative unconditional: 4912, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 190, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 174, negative conditional: 171, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 217, negative conditional: 177, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11729, positive: 148, positive conditional: 148, positive unconditional: 0, negative: 11394, negative conditional: 6482, negative unconditional: 4912, unknown: 187, unknown conditional: 187, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 651, Positive cache size: 477, Positive conditional cache size: 16, Positive unconditional cache size: 461, Negative cache size: 174, Negative conditional cache size: 171, Negative unconditional cache size: 3, Eliminated conditions: 4912 ], Maximal queried relation: 9, Independence queries for same thread: 42597 - CounterExampleResult [Line: 722]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L694] 0 int i = 3, j = 6; VAL [i=3, j=6] [L712] 0 pthread_t id1, id2; VAL [i=3, j=6] [L713] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arg={0:0}, i=3, j=6] [L696] 1 int k = 0; VAL [arg={0:0}, arg={0:0}, i=3, j=6, k=0] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, i=3, j=6, k=0] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, i=7, j=6, k=0] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, i=7, j=6, k=1, k++=0] [L714] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=1, k++=0] [L704] 2 int k = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=1, k=0] [L704] COND TRUE 2 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=0, k=1] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=0, k=1] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=0] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=0, k++=0] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=0, k=1, k++=0] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=0, k++=0, k++=1] [L716] 0 int condI = i >= (2*10 +6); VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=0, k++=0, k++=1] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=1, k++=1] [L704] COND TRUE 2 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=1, k++=1] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=1, k=1, k++=1] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=1, k=2, k++=1] [L704] COND TRUE 2 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=1, k=2, k++=1] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=2] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=2] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=2] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=2, k=2] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=2, k=2, k++=2] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=2, k++=2] [L704] COND TRUE 2 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=2, k++=2] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=3] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=3] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=3] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=3, k=3] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=3, k=3, k++=3] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=3, k=4, k++=3] [L704] COND TRUE 2 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=3, k=4, k++=3] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=4] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=4] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=4] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=4, k=4] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=4, k=4, k++=4] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=4, k=5, k++=4] [L704] COND TRUE 2 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=4, k=5, k++=4] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=5] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=5] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=17, j=16, k=5, k=5] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=17, j=18, k=5, k=5] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=17, j=18, k=5, k=5, k++=5] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=17, j=18, k=5, k=6, k++=5] [L704] COND TRUE 2 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=17, j=18, k=6, k=5, k++=5] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=17, j=18, k=6, k=6] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=17, j=18, k=6, k=6] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=19, j=18, k=6, k=6] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=19, j=20, k=6, k=6] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=19, j=20, k=6, k=6, k++=6] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=19, j=20, k=6, k=7, k++=6] [L704] COND TRUE 2 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=19, j=20, k=6, k=7, k++=6] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=19, j=20, k=7, k=7] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=19, j=20, k=7, k=7] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=21, j=20, k=7, k=7] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=21, j=22, k=7, k=7] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=21, j=22, k=7, k=7, k++=7] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=21, j=22, k=8, k=7, k++=7] [L704] COND TRUE 2 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=21, j=22, k=8, k=7, k++=7] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=21, j=22, k=8, k=8] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=21, j=22, k=8, k=8] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=23, j=22, k=8, k=8] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=23, j=24, k=8, k=8] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=23, j=24, k=8, k=8, k++=8] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=23, j=24, k=8, k=9, k++=8] [L704] COND TRUE 2 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=23, j=24, k=9, k=8, k++=8] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=23, j=24, k=9, k=9] [L696] COND TRUE 1 k < 10 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=23, j=24, k=9, k=9] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=24, k=9, k=9] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=26, k=9, k=9] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=26, k=9, k=9, k++=9] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=26, k=10, k=9, k++=9] [L719] 0 int condJ = j >= (2*10 +6); VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=26, k=10, k=9, k++=9] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=26, k=10, k=10] [L721] COND TRUE 0 condI || condJ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=26, k=10, k=10] [L722] 0 reach_error() VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=25, j=26, k=10, k=10] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 12038.8ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.9ms, PartialOrderReductionTime: 5683.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 246, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 134.2ms SsaConstructionTime, 433.9ms SatisfiabilityAnalysisTime, 3243.2ms InterpolantComputationTime, 1866 NumberOfCodeBlocks, 1866 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 1712 ConstructedInterpolants, 0 QuantifiedInterpolants, 7691 SizeOfPredicates, 115 NumberOfNonLiveVariables, 1815 ConjunctsInSsa, 157 ConjunctsInUnsatCore, 18 InterpolantComputations, 0 PerfectInterpolantSequences, 843/3380 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...