/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 17:15:38,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 17:15:38,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 17:15:38,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 17:15:38,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 17:15:38,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 17:15:38,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 17:15:38,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 17:15:38,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 17:15:38,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 17:15:38,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 17:15:38,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 17:15:38,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 17:15:38,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 17:15:38,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 17:15:38,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 17:15:38,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 17:15:38,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 17:15:38,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 17:15:38,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 17:15:38,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 17:15:38,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 17:15:38,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 17:15:38,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 17:15:38,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 17:15:38,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 17:15:38,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 17:15:38,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 17:15:38,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 17:15:38,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 17:15:38,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 17:15:38,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 17:15:38,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 17:15:38,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 17:15:38,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 17:15:38,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 17:15:38,394 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-11-09 17:15:38,421 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 17:15:38,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 17:15:38,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 17:15:38,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 17:15:38,423 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 17:15:38,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 17:15:38,424 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 17:15:38,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 17:15:38,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 17:15:38,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 17:15:38,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 17:15:38,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 17:15:38,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 17:15:38,425 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 17:15:38,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 17:15:38,425 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 17:15:38,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 17:15:38,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 17:15:38,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 17:15:38,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 17:15:38,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 17:15:38,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 17:15:38,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 17:15:38,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 17:15:38,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 17:15:38,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 17:15:38,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 17:15:38,428 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 17:15:38,428 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 17:15:38,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 17:15:38,428 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 17:15:38,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 17:15:38,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 17:15:38,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 17:15:38,892 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 17:15:38,893 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 17:15:38,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i [2020-11-09 17:15:38,994 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa1be315/6c19cdb9fdbb46189fe8a215c7931ce9/FLAGed8532136 [2020-11-09 17:15:39,886 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 17:15:39,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i [2020-11-09 17:15:39,907 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa1be315/6c19cdb9fdbb46189fe8a215c7931ce9/FLAGed8532136 [2020-11-09 17:15:40,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa1be315/6c19cdb9fdbb46189fe8a215c7931ce9 [2020-11-09 17:15:40,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 17:15:40,110 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 17:15:40,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 17:15:40,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 17:15:40,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 17:15:40,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:15:40" (1/1) ... [2020-11-09 17:15:40,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3faf5dcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:40, skipping insertion in model container [2020-11-09 17:15:40,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:15:40" (1/1) ... [2020-11-09 17:15:40,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 17:15:40,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 17:15:40,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 17:15:40,619 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 17:15:40,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 17:15:40,822 INFO L208 MainTranslator]: Completed translation [2020-11-09 17:15:40,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:40 WrapperNode [2020-11-09 17:15:40,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 17:15:40,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 17:15:40,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 17:15:40,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 17:15:40,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:40" (1/1) ... [2020-11-09 17:15:40,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:40" (1/1) ... [2020-11-09 17:15:40,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 17:15:40,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 17:15:40,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 17:15:40,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 17:15:40,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:40" (1/1) ... [2020-11-09 17:15:40,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:40" (1/1) ... [2020-11-09 17:15:40,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:40" (1/1) ... [2020-11-09 17:15:40,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:40" (1/1) ... [2020-11-09 17:15:40,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:40" (1/1) ... [2020-11-09 17:15:40,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:40" (1/1) ... [2020-11-09 17:15:40,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:40" (1/1) ... [2020-11-09 17:15:40,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 17:15:40,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 17:15:40,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 17:15:40,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 17:15:40,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:40" (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 [2020-11-09 17:15:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 17:15:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-09 17:15:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 17:15:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 17:15:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-09 17:15:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-09 17:15:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-09 17:15:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-09 17:15:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-09 17:15:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-09 17:15:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-11-09 17:15:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-11-09 17:15:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 17:15:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-09 17:15:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 17:15:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 17:15:41,000 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 17:15:41,599 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 17:15:41,599 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-09 17:15:41,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:15:41 BoogieIcfgContainer [2020-11-09 17:15:41,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 17:15:41,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 17:15:41,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 17:15:41,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 17:15:41,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:15:40" (1/3) ... [2020-11-09 17:15:41,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f84a073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:15:41, skipping insertion in model container [2020-11-09 17:15:41,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:40" (2/3) ... [2020-11-09 17:15:41,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f84a073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:15:41, skipping insertion in model container [2020-11-09 17:15:41,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:15:41" (3/3) ... [2020-11-09 17:15:41,611 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_pso.opt.i [2020-11-09 17:15:41,628 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 17:15:41,628 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 17:15:41,633 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 17:15:41,634 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 17:15:41,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,667 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,667 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,668 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,668 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,668 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,668 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,669 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,669 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,670 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,670 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,671 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,671 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,673 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,673 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,674 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,674 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,675 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,676 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,676 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,676 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,676 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,676 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,676 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,677 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,680 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,681 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,688 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,688 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,688 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,691 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,691 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,692 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,692 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,694 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,695 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,695 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,695 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:15:41,699 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 17:15:41,713 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 17:15:41,737 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 17:15:41,737 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 17:15:41,737 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 17:15:41,738 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 17:15:41,738 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 17:15:41,738 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 17:15:41,738 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 17:15:41,738 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 17:15:41,751 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 17:15:41,752 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 95 transitions, 210 flow [2020-11-09 17:15:41,755 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 95 transitions, 210 flow [2020-11-09 17:15:41,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 95 transitions, 210 flow [2020-11-09 17:15:41,812 INFO L129 PetriNetUnfolder]: 3/91 cut-off events. [2020-11-09 17:15:41,812 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-09 17:15:41,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 91 events. 3/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 74 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2020-11-09 17:15:41,822 INFO L116 LiptonReduction]: Number of co-enabled transitions 2256 [2020-11-09 17:15:42,593 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-11-09 17:15:44,857 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-11-09 17:15:45,023 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-11-09 17:15:45,826 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-11-09 17:15:45,983 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 17:15:46,281 WARN L194 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-11-09 17:15:46,424 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 17:15:46,459 INFO L131 LiptonReduction]: Checked pairs total: 4418 [2020-11-09 17:15:46,459 INFO L133 LiptonReduction]: Total number of compositions: 80 [2020-11-09 17:15:46,470 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 29 transitions, 78 flow [2020-11-09 17:15:46,592 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1450 states. [2020-11-09 17:15:46,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states. [2020-11-09 17:15:46,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 17:15:46,609 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:15:46,610 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:15:46,611 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:15:46,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:15:46,621 INFO L82 PathProgramCache]: Analyzing trace with hash 481695671, now seen corresponding path program 1 times [2020-11-09 17:15:46,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:15:46,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399777755] [2020-11-09 17:15:46,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:15:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:15:46,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:15:46,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399777755] [2020-11-09 17:15:46,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:15:46,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 17:15:46,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [905408486] [2020-11-09 17:15:46,842 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:15:46,848 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:15:46,868 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-11-09 17:15:46,869 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:15:46,873 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:15:46,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-09 17:15:46,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:15:46,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-09 17:15:46,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 17:15:46,895 INFO L87 Difference]: Start difference. First operand 1450 states. Second operand 2 states. [2020-11-09 17:15:46,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:15:46,956 INFO L93 Difference]: Finished difference Result 1450 states and 5376 transitions. [2020-11-09 17:15:46,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-09 17:15:46,958 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-09 17:15:46,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:15:47,000 INFO L225 Difference]: With dead ends: 1450 [2020-11-09 17:15:47,000 INFO L226 Difference]: Without dead ends: 1194 [2020-11-09 17:15:47,001 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 17:15:47,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2020-11-09 17:15:47,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1194. [2020-11-09 17:15:47,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-11-09 17:15:47,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 4352 transitions. [2020-11-09 17:15:47,178 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 4352 transitions. Word has length 10 [2020-11-09 17:15:47,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:15:47,179 INFO L481 AbstractCegarLoop]: Abstraction has 1194 states and 4352 transitions. [2020-11-09 17:15:47,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-09 17:15:47,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 4352 transitions. [2020-11-09 17:15:47,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 17:15:47,188 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:15:47,189 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:15:47,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 17:15:47,189 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:15:47,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:15:47,193 INFO L82 PathProgramCache]: Analyzing trace with hash 2047662136, now seen corresponding path program 1 times [2020-11-09 17:15:47,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:15:47,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183216330] [2020-11-09 17:15:47,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:15:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:15:47,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:15:47,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183216330] [2020-11-09 17:15:47,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:15:47,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 17:15:47,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [450388098] [2020-11-09 17:15:47,431 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:15:47,432 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:15:47,434 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-11-09 17:15:47,434 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:15:47,435 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:15:47,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 17:15:47,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:15:47,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 17:15:47,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 17:15:47,437 INFO L87 Difference]: Start difference. First operand 1194 states and 4352 transitions. Second operand 4 states. [2020-11-09 17:15:47,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:15:47,537 INFO L93 Difference]: Finished difference Result 1322 states and 4640 transitions. [2020-11-09 17:15:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 17:15:47,539 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-11-09 17:15:47,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:15:47,607 INFO L225 Difference]: With dead ends: 1322 [2020-11-09 17:15:47,607 INFO L226 Difference]: Without dead ends: 1066 [2020-11-09 17:15:47,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:15:47,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2020-11-09 17:15:47,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1066. [2020-11-09 17:15:47,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2020-11-09 17:15:47,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 3808 transitions. [2020-11-09 17:15:47,662 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 3808 transitions. Word has length 11 [2020-11-09 17:15:47,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:15:47,662 INFO L481 AbstractCegarLoop]: Abstraction has 1066 states and 3808 transitions. [2020-11-09 17:15:47,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 17:15:47,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 3808 transitions. [2020-11-09 17:15:47,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-09 17:15:47,665 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:15:47,666 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:15:47,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 17:15:47,666 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:15:47,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:15:47,677 INFO L82 PathProgramCache]: Analyzing trace with hash -947011909, now seen corresponding path program 1 times [2020-11-09 17:15:47,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:15:47,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77649620] [2020-11-09 17:15:47,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:15:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:15:47,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:15:47,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77649620] [2020-11-09 17:15:47,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:15:47,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 17:15:47,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1691000789] [2020-11-09 17:15:47,772 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:15:47,773 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:15:47,775 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 14 transitions. [2020-11-09 17:15:47,776 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:15:47,786 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:15:47,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 17:15:47,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:15:47,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 17:15:47,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 17:15:47,788 INFO L87 Difference]: Start difference. First operand 1066 states and 3808 transitions. Second operand 4 states. [2020-11-09 17:15:47,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:15:47,841 INFO L93 Difference]: Finished difference Result 1162 states and 4016 transitions. [2020-11-09 17:15:47,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 17:15:47,841 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-09 17:15:47,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:15:47,851 INFO L225 Difference]: With dead ends: 1162 [2020-11-09 17:15:47,851 INFO L226 Difference]: Without dead ends: 970 [2020-11-09 17:15:47,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:15:47,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2020-11-09 17:15:47,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 970. [2020-11-09 17:15:47,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2020-11-09 17:15:47,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 3408 transitions. [2020-11-09 17:15:47,903 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 3408 transitions. Word has length 12 [2020-11-09 17:15:47,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:15:47,903 INFO L481 AbstractCegarLoop]: Abstraction has 970 states and 3408 transitions. [2020-11-09 17:15:47,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 17:15:47,904 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 3408 transitions. [2020-11-09 17:15:47,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 17:15:47,906 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:15:47,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:15:47,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 17:15:47,911 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:15:47,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:15:47,914 INFO L82 PathProgramCache]: Analyzing trace with hash 639503440, now seen corresponding path program 1 times [2020-11-09 17:15:47,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:15:47,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153716010] [2020-11-09 17:15:47,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:15:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:15:48,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:15:48,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153716010] [2020-11-09 17:15:48,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:15:48,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 17:15:48,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [203244471] [2020-11-09 17:15:48,054 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:15:48,056 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:15:48,058 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 26 transitions. [2020-11-09 17:15:48,058 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:15:48,134 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:15:48,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 17:15:48,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:15:48,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 17:15:48,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:15:48,136 INFO L87 Difference]: Start difference. First operand 970 states and 3408 transitions. Second operand 5 states. [2020-11-09 17:15:48,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:15:48,219 INFO L93 Difference]: Finished difference Result 1210 states and 4168 transitions. [2020-11-09 17:15:48,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 17:15:48,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-09 17:15:48,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:15:48,226 INFO L225 Difference]: With dead ends: 1210 [2020-11-09 17:15:48,226 INFO L226 Difference]: Without dead ends: 682 [2020-11-09 17:15:48,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-09 17:15:48,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2020-11-09 17:15:48,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2020-11-09 17:15:48,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2020-11-09 17:15:48,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 2240 transitions. [2020-11-09 17:15:48,255 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 2240 transitions. Word has length 13 [2020-11-09 17:15:48,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:15:48,256 INFO L481 AbstractCegarLoop]: Abstraction has 682 states and 2240 transitions. [2020-11-09 17:15:48,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 17:15:48,257 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 2240 transitions. [2020-11-09 17:15:48,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 17:15:48,258 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:15:48,258 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:15:48,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 17:15:48,258 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:15:48,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:15:48,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1293879022, now seen corresponding path program 1 times [2020-11-09 17:15:48,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:15:48,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325085098] [2020-11-09 17:15:48,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:15:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:15:48,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:15:48,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325085098] [2020-11-09 17:15:48,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:15:48,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 17:15:48,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1023189474] [2020-11-09 17:15:48,361 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:15:48,362 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:15:48,366 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 28 transitions. [2020-11-09 17:15:48,366 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:15:48,394 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:15:48,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 17:15:48,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:15:48,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 17:15:48,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 17:15:48,395 INFO L87 Difference]: Start difference. First operand 682 states and 2240 transitions. Second operand 4 states. [2020-11-09 17:15:48,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:15:48,425 INFO L93 Difference]: Finished difference Result 730 states and 2332 transitions. [2020-11-09 17:15:48,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 17:15:48,426 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-11-09 17:15:48,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:15:48,431 INFO L225 Difference]: With dead ends: 730 [2020-11-09 17:15:48,432 INFO L226 Difference]: Without dead ends: 634 [2020-11-09 17:15:48,432 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:15:48,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-11-09 17:15:48,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2020-11-09 17:15:48,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-11-09 17:15:48,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 2052 transitions. [2020-11-09 17:15:48,458 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 2052 transitions. Word has length 14 [2020-11-09 17:15:48,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:15:48,459 INFO L481 AbstractCegarLoop]: Abstraction has 634 states and 2052 transitions. [2020-11-09 17:15:48,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 17:15:48,459 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 2052 transitions. [2020-11-09 17:15:48,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 17:15:48,461 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:15:48,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:15:48,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 17:15:48,461 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:15:48,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:15:48,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1455505723, now seen corresponding path program 1 times [2020-11-09 17:15:48,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:15:48,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422037429] [2020-11-09 17:15:48,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:15:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:15:48,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:15:48,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422037429] [2020-11-09 17:15:48,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:15:48,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 17:15:48,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1415649324] [2020-11-09 17:15:48,526 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:15:48,528 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:15:48,563 INFO L252 McrAutomatonBuilder]: Finished intersection with 40 states and 70 transitions. [2020-11-09 17:15:48,564 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:15:48,701 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:15:48,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 17:15:48,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:15:48,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 17:15:48,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 17:15:48,703 INFO L87 Difference]: Start difference. First operand 634 states and 2052 transitions. Second operand 4 states. [2020-11-09 17:15:48,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:15:48,728 INFO L93 Difference]: Finished difference Result 670 states and 2118 transitions. [2020-11-09 17:15:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 17:15:48,729 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-11-09 17:15:48,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:15:48,734 INFO L225 Difference]: With dead ends: 670 [2020-11-09 17:15:48,734 INFO L226 Difference]: Without dead ends: 598 [2020-11-09 17:15:48,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:15:48,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2020-11-09 17:15:48,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598. [2020-11-09 17:15:48,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-11-09 17:15:48,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 1914 transitions. [2020-11-09 17:15:48,756 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 1914 transitions. Word has length 15 [2020-11-09 17:15:48,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:15:48,757 INFO L481 AbstractCegarLoop]: Abstraction has 598 states and 1914 transitions. [2020-11-09 17:15:48,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 17:15:48,757 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1914 transitions. [2020-11-09 17:15:48,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:15:48,758 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:15:48,759 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:15:48,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 17:15:48,759 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:15:48,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:15:48,759 INFO L82 PathProgramCache]: Analyzing trace with hash -991972764, now seen corresponding path program 1 times [2020-11-09 17:15:48,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:15:48,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581246303] [2020-11-09 17:15:48,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:15:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:15:48,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:15:48,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581246303] [2020-11-09 17:15:48,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:15:48,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 17:15:48,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [471106480] [2020-11-09 17:15:48,820 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:15:48,822 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:15:48,833 INFO L252 McrAutomatonBuilder]: Finished intersection with 72 states and 162 transitions. [2020-11-09 17:15:48,834 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:15:49,134 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:15:49,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 17:15:49,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:15:49,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 17:15:49,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:15:49,135 INFO L87 Difference]: Start difference. First operand 598 states and 1914 transitions. Second operand 5 states. [2020-11-09 17:15:49,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:15:49,196 INFO L93 Difference]: Finished difference Result 712 states and 2245 transitions. [2020-11-09 17:15:49,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 17:15:49,197 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-11-09 17:15:49,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:15:49,200 INFO L225 Difference]: With dead ends: 712 [2020-11-09 17:15:49,200 INFO L226 Difference]: Without dead ends: 292 [2020-11-09 17:15:49,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-09 17:15:49,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-11-09 17:15:49,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2020-11-09 17:15:49,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-11-09 17:15:49,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 846 transitions. [2020-11-09 17:15:49,211 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 846 transitions. Word has length 16 [2020-11-09 17:15:49,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:15:49,211 INFO L481 AbstractCegarLoop]: Abstraction has 292 states and 846 transitions. [2020-11-09 17:15:49,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 17:15:49,212 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 846 transitions. [2020-11-09 17:15:49,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-09 17:15:49,213 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:15:49,213 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:15:49,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-09 17:15:49,213 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:15:49,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:15:49,214 INFO L82 PathProgramCache]: Analyzing trace with hash -687525174, now seen corresponding path program 1 times [2020-11-09 17:15:49,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:15:49,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780359770] [2020-11-09 17:15:49,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:15:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:15:49,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:15:49,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780359770] [2020-11-09 17:15:49,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:15:49,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 17:15:49,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [985295789] [2020-11-09 17:15:49,285 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:15:49,289 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:15:49,298 INFO L252 McrAutomatonBuilder]: Finished intersection with 46 states and 82 transitions. [2020-11-09 17:15:49,298 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:15:49,423 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:15:49,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 17:15:49,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:15:49,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 17:15:49,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:15:49,425 INFO L87 Difference]: Start difference. First operand 292 states and 846 transitions. Second operand 5 states. [2020-11-09 17:15:49,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:15:49,480 INFO L93 Difference]: Finished difference Result 352 states and 1006 transitions. [2020-11-09 17:15:49,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 17:15:49,481 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-11-09 17:15:49,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:15:49,482 INFO L225 Difference]: With dead ends: 352 [2020-11-09 17:15:49,482 INFO L226 Difference]: Without dead ends: 154 [2020-11-09 17:15:49,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-09 17:15:49,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-11-09 17:15:49,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2020-11-09 17:15:49,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-11-09 17:15:49,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 410 transitions. [2020-11-09 17:15:49,490 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 410 transitions. Word has length 17 [2020-11-09 17:15:49,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:15:49,490 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 410 transitions. [2020-11-09 17:15:49,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 17:15:49,490 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 410 transitions. [2020-11-09 17:15:49,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 17:15:49,491 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:15:49,493 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:15:49,493 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-09 17:15:49,493 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:15:49,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:15:49,494 INFO L82 PathProgramCache]: Analyzing trace with hash -2117772472, now seen corresponding path program 1 times [2020-11-09 17:15:49,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:15:49,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549603596] [2020-11-09 17:15:49,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:15:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:15:49,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:15:49,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549603596] [2020-11-09 17:15:49,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:15:49,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 17:15:49,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1772054859] [2020-11-09 17:15:49,586 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:15:49,588 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:15:49,597 INFO L252 McrAutomatonBuilder]: Finished intersection with 30 states and 40 transitions. [2020-11-09 17:15:49,597 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:15:49,626 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:15:49,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 17:15:49,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:15:49,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 17:15:49,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:15:49,627 INFO L87 Difference]: Start difference. First operand 154 states and 410 transitions. Second operand 5 states. [2020-11-09 17:15:49,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:15:49,669 INFO L93 Difference]: Finished difference Result 130 states and 334 transitions. [2020-11-09 17:15:49,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 17:15:49,670 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-11-09 17:15:49,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:15:49,670 INFO L225 Difference]: With dead ends: 130 [2020-11-09 17:15:49,670 INFO L226 Difference]: Without dead ends: 0 [2020-11-09 17:15:49,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-09 17:15:49,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-09 17:15:49,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-09 17:15:49,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-09 17:15:49,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-09 17:15:49,671 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-09 17:15:49,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:15:49,671 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-09 17:15:49,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 17:15:49,672 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-09 17:15:49,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-09 17:15:49,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-09 17:15:49,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:15:49 BasicIcfg [2020-11-09 17:15:49,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 17:15:49,680 INFO L168 Benchmark]: Toolchain (without parser) took 9578.09 ms. Allocated memory was 154.1 MB in the beginning and 223.3 MB in the end (delta: 69.2 MB). Free memory was 127.6 MB in the beginning and 155.4 MB in the end (delta: -27.8 MB). Peak memory consumption was 42.5 MB. Max. memory is 8.0 GB. [2020-11-09 17:15:49,680 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 154.1 MB. Free memory is still 128.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 17:15:49,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.75 ms. Allocated memory is still 154.1 MB. Free memory was 127.0 MB in the beginning and 129.1 MB in the end (delta: -2.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 8.0 GB. [2020-11-09 17:15:49,682 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.14 ms. Allocated memory is still 154.1 MB. Free memory was 128.6 MB in the beginning and 127.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 17:15:49,687 INFO L168 Benchmark]: Boogie Preprocessor took 30.36 ms. Allocated memory is still 154.1 MB. Free memory was 127.0 MB in the beginning and 125.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 17:15:49,688 INFO L168 Benchmark]: RCFGBuilder took 693.72 ms. Allocated memory is still 154.1 MB. Free memory was 125.4 MB in the beginning and 100.8 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2020-11-09 17:15:49,692 INFO L168 Benchmark]: TraceAbstraction took 8073.50 ms. Allocated memory was 154.1 MB in the beginning and 223.3 MB in the end (delta: 69.2 MB). Free memory was 100.3 MB in the beginning and 155.4 MB in the end (delta: -55.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 8.0 GB. [2020-11-09 17:15:49,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 154.1 MB. Free memory is still 128.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 710.75 ms. Allocated memory is still 154.1 MB. Free memory was 127.0 MB in the beginning and 129.1 MB in the end (delta: -2.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 52.14 ms. Allocated memory is still 154.1 MB. Free memory was 128.6 MB in the beginning and 127.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 30.36 ms. Allocated memory is still 154.1 MB. Free memory was 127.0 MB in the beginning and 125.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 693.72 ms. Allocated memory is still 154.1 MB. Free memory was 125.4 MB in the beginning and 100.8 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8073.50 ms. Allocated memory was 154.1 MB in the beginning and 223.3 MB in the end (delta: 69.2 MB). Free memory was 100.3 MB in the beginning and 155.4 MB in the end (delta: -55.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1227 VarBasedMoverChecksPositive, 33 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 95 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.7s, 105 PlacesBefore, 41 PlacesAfterwards, 95 TransitionsBefore, 29 TransitionsAfterwards, 2256 CoEnabledTransitionPairs, 5 FixpointIterations, 21 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 2 ChoiceCompositions, 80 TotalNumberOfCompositions, 4418 MoverChecksTotal - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.9s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, HoareTripleCheckerStatistics: 263 SDtfs, 252 SDslu, 355 SDs, 0 SdLazy, 63 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1450occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 5229 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 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 correct! Received shutdown request...