/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 13:51:57,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 13:51:57,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 13:51:57,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 13:51:57,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 13:51:57,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 13:51:57,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 13:51:57,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 13:51:57,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 13:51:57,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 13:51:57,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 13:51:57,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 13:51:57,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 13:51:57,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 13:51:57,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 13:51:57,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 13:51:57,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 13:51:57,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 13:51:57,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 13:51:57,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 13:51:57,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 13:51:57,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 13:51:57,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 13:51:57,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 13:51:57,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 13:51:57,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 13:51:57,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 13:51:57,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 13:51:57,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 13:51:57,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 13:51:57,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 13:51:57,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 13:51:57,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 13:51:57,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 13:51:57,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 13:51:57,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 13:51:57,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 13:51:57,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 13:51:57,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 13:51:57,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 13:51:57,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 13:51:57,408 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-16 13:51:57,448 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 13:51:57,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 13:51:57,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 13:51:57,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 13:51:57,451 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 13:51:57,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 13:51:57,451 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 13:51:57,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 13:51:57,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 13:51:57,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 13:51:57,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 13:51:57,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 13:51:57,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 13:51:57,454 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 13:51:57,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 13:51:57,454 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 13:51:57,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 13:51:57,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 13:51:57,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 13:51:57,455 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 13:51:57,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 13:51:57,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 13:51:57,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 13:51:57,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 13:51:57,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 13:51:57,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 13:51:57,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 13:51:57,457 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 13:51:57,457 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 13:51:57,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 13:51:57,457 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 13:51:57,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 13:51:57,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 13:51:57,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 13:51:57,773 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 13:51:57,776 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 13:51:57,777 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i [2020-10-16 13:51:57,859 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b3906c0d/8846188584fe4ee8bc3f5c3a35d53a7c/FLAG81d5e83bf [2020-10-16 13:51:58,462 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 13:51:58,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i [2020-10-16 13:51:58,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b3906c0d/8846188584fe4ee8bc3f5c3a35d53a7c/FLAG81d5e83bf [2020-10-16 13:51:58,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b3906c0d/8846188584fe4ee8bc3f5c3a35d53a7c [2020-10-16 13:51:58,742 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 13:51:58,744 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 13:51:58,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 13:51:58,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 13:51:58,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 13:51:58,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:51:58" (1/1) ... [2020-10-16 13:51:58,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184defc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:58, skipping insertion in model container [2020-10-16 13:51:58,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:51:58" (1/1) ... [2020-10-16 13:51:58,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 13:51:58,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 13:51:59,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:51:59,325 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 13:51:59,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:51:59,462 INFO L208 MainTranslator]: Completed translation [2020-10-16 13:51:59,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:59 WrapperNode [2020-10-16 13:51:59,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 13:51:59,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 13:51:59,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 13:51:59,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 13:51:59,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:59" (1/1) ... [2020-10-16 13:51:59,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:59" (1/1) ... [2020-10-16 13:51:59,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 13:51:59,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 13:51:59,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 13:51:59,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 13:51:59,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:59" (1/1) ... [2020-10-16 13:51:59,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:59" (1/1) ... [2020-10-16 13:51:59,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:59" (1/1) ... [2020-10-16 13:51:59,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:59" (1/1) ... [2020-10-16 13:51:59,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:59" (1/1) ... [2020-10-16 13:51:59,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:59" (1/1) ... [2020-10-16 13:51:59,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:59" (1/1) ... [2020-10-16 13:51:59,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 13:51:59,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 13:51:59,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 13:51:59,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 13:51:59,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:59" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 13:51:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 13:51:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 13:51:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 13:51:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 13:51:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 13:51:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 13:51:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 13:51:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 13:51:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 13:51:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 13:51:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 13:51:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 13:51:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 13:51:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 13:51:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 13:51:59,629 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 13:52:00,050 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 13:52:00,051 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-16 13:52:00,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:52:00 BoogieIcfgContainer [2020-10-16 13:52:00,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 13:52:00,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 13:52:00,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 13:52:00,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 13:52:00,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:51:58" (1/3) ... [2020-10-16 13:52:00,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bb5ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:52:00, skipping insertion in model container [2020-10-16 13:52:00,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:59" (2/3) ... [2020-10-16 13:52:00,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bb5ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:52:00, skipping insertion in model container [2020-10-16 13:52:00,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:52:00" (3/3) ... [2020-10-16 13:52:00,064 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_tso.opt.i [2020-10-16 13:52:00,077 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 13:52:00,078 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 13:52:00,086 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 13:52:00,087 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 13:52:00,117 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,118 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,118 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,118 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,119 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,119 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,120 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,120 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,120 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,120 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,121 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,121 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,122 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,122 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,124 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,124 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,129 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,130 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,130 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,139 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,139 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,140 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,140 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,142 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,143 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,146 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,146 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:52:00,149 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 13:52:00,164 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 13:52:00,188 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 13:52:00,188 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 13:52:00,188 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 13:52:00,189 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 13:52:00,189 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 13:52:00,189 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 13:52:00,189 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 13:52:00,189 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 13:52:00,205 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 13:52:00,206 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 86 transitions, 192 flow [2020-10-16 13:52:00,209 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 86 transitions, 192 flow [2020-10-16 13:52:00,211 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 97 places, 86 transitions, 192 flow [2020-10-16 13:52:00,264 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2020-10-16 13:52:00,264 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 13:52:00,270 INFO L80 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 66 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2020-10-16 13:52:00,274 INFO L117 LiptonReduction]: Number of co-enabled transitions 2016 [2020-10-16 13:52:01,675 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2020-10-16 13:52:01,736 INFO L132 LiptonReduction]: Checked pairs total: 4737 [2020-10-16 13:52:01,737 INFO L134 LiptonReduction]: Total number of compositions: 68 [2020-10-16 13:52:01,743 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 29 transitions, 78 flow [2020-10-16 13:52:01,854 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1450 states. [2020-10-16 13:52:01,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states. [2020-10-16 13:52:01,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 13:52:01,868 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:01,869 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:52:01,869 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:01,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:01,876 INFO L82 PathProgramCache]: Analyzing trace with hash 546901279, now seen corresponding path program 1 times [2020-10-16 13:52:01,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:01,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901899616] [2020-10-16 13:52:01,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:02,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:52:02,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901899616] [2020-10-16 13:52:02,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:02,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:52:02,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1080401883] [2020-10-16 13:52:02,133 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:02,136 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:02,151 INFO L258 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-16 13:52:02,151 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:02,156 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:02,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 13:52:02,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:02,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 13:52:02,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 13:52:02,175 INFO L87 Difference]: Start difference. First operand 1450 states. Second operand 2 states. [2020-10-16 13:52:02,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:02,226 INFO L93 Difference]: Finished difference Result 1450 states and 5376 transitions. [2020-10-16 13:52:02,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 13:52:02,228 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-16 13:52:02,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:02,276 INFO L225 Difference]: With dead ends: 1450 [2020-10-16 13:52:02,276 INFO L226 Difference]: Without dead ends: 1194 [2020-10-16 13:52:02,278 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 [2020-10-16 13:52:02,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2020-10-16 13:52:02,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1194. [2020-10-16 13:52:02,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-10-16 13:52:02,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 4352 transitions. [2020-10-16 13:52:02,441 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 4352 transitions. Word has length 10 [2020-10-16 13:52:02,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:02,453 INFO L481 AbstractCegarLoop]: Abstraction has 1194 states and 4352 transitions. [2020-10-16 13:52:02,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 13:52:02,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 4352 transitions. [2020-10-16 13:52:02,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 13:52:02,458 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:02,458 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:52:02,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 13:52:02,459 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:02,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:02,459 INFO L82 PathProgramCache]: Analyzing trace with hash -225951647, now seen corresponding path program 1 times [2020-10-16 13:52:02,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:02,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008044458] [2020-10-16 13:52:02,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:02,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:52:02,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008044458] [2020-10-16 13:52:02,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:02,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:52:02,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1225706527] [2020-10-16 13:52:02,613 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:02,614 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:02,616 INFO L258 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-16 13:52:02,617 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:02,617 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:02,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 13:52:02,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:02,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 13:52:02,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 13:52:02,620 INFO L87 Difference]: Start difference. First operand 1194 states and 4352 transitions. Second operand 4 states. [2020-10-16 13:52:02,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:02,667 INFO L93 Difference]: Finished difference Result 1322 states and 4640 transitions. [2020-10-16 13:52:02,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 13:52:02,668 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-16 13:52:02,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:02,678 INFO L225 Difference]: With dead ends: 1322 [2020-10-16 13:52:02,679 INFO L226 Difference]: Without dead ends: 1066 [2020-10-16 13:52:02,680 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 [2020-10-16 13:52:02,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2020-10-16 13:52:02,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1066. [2020-10-16 13:52:02,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2020-10-16 13:52:02,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 3808 transitions. [2020-10-16 13:52:02,775 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 3808 transitions. Word has length 11 [2020-10-16 13:52:02,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:02,775 INFO L481 AbstractCegarLoop]: Abstraction has 1066 states and 3808 transitions. [2020-10-16 13:52:02,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 13:52:02,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 3808 transitions. [2020-10-16 13:52:02,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 13:52:02,779 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:02,779 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:52:02,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 13:52:02,779 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:02,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:02,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1585409501, now seen corresponding path program 1 times [2020-10-16 13:52:02,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:02,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476760298] [2020-10-16 13:52:02,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:02,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:52:02,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476760298] [2020-10-16 13:52:02,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:02,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:52:02,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [358418350] [2020-10-16 13:52:02,858 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:02,860 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:02,862 INFO L258 McrAutomatonBuilder]: Finished intersection with 16 states and 18 transitions. [2020-10-16 13:52:02,862 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:02,892 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:02,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 13:52:02,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:02,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 13:52:02,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:52:02,893 INFO L87 Difference]: Start difference. First operand 1066 states and 3808 transitions. Second operand 5 states. [2020-10-16 13:52:02,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:02,950 INFO L93 Difference]: Finished difference Result 1306 states and 4508 transitions. [2020-10-16 13:52:02,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 13:52:02,951 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-16 13:52:02,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:02,956 INFO L225 Difference]: With dead ends: 1306 [2020-10-16 13:52:02,957 INFO L226 Difference]: Without dead ends: 634 [2020-10-16 13:52:02,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 13:52:02,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-10-16 13:52:02,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2020-10-16 13:52:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-10-16 13:52:02,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 2060 transitions. [2020-10-16 13:52:02,981 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 2060 transitions. Word has length 12 [2020-10-16 13:52:02,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:02,982 INFO L481 AbstractCegarLoop]: Abstraction has 634 states and 2060 transitions. [2020-10-16 13:52:02,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 13:52:02,982 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 2060 transitions. [2020-10-16 13:52:02,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 13:52:02,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:02,984 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:52:02,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 13:52:02,984 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:02,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:02,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1322775957, now seen corresponding path program 1 times [2020-10-16 13:52:02,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:02,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117915264] [2020-10-16 13:52:02,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:03,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:52:03,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117915264] [2020-10-16 13:52:03,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:03,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:52:03,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1144740956] [2020-10-16 13:52:03,056 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:03,058 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:03,062 INFO L258 McrAutomatonBuilder]: Finished intersection with 28 states and 40 transitions. [2020-10-16 13:52:03,062 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:03,167 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:03,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 13:52:03,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:03,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 13:52:03,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:52:03,169 INFO L87 Difference]: Start difference. First operand 634 states and 2060 transitions. Second operand 5 states. [2020-10-16 13:52:03,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:03,235 INFO L93 Difference]: Finished difference Result 826 states and 2588 transitions. [2020-10-16 13:52:03,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 13:52:03,235 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-16 13:52:03,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:03,239 INFO L225 Difference]: With dead ends: 826 [2020-10-16 13:52:03,240 INFO L226 Difference]: Without dead ends: 346 [2020-10-16 13:52:03,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 13:52:03,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-10-16 13:52:03,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2020-10-16 13:52:03,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-10-16 13:52:03,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 1012 transitions. [2020-10-16 13:52:03,258 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 1012 transitions. Word has length 14 [2020-10-16 13:52:03,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:03,262 INFO L481 AbstractCegarLoop]: Abstraction has 346 states and 1012 transitions. [2020-10-16 13:52:03,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 13:52:03,262 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 1012 transitions. [2020-10-16 13:52:03,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 13:52:03,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:03,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:52:03,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 13:52:03,264 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:03,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:03,265 INFO L82 PathProgramCache]: Analyzing trace with hash 275175569, now seen corresponding path program 1 times [2020-10-16 13:52:03,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:03,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102823392] [2020-10-16 13:52:03,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:03,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:52:03,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102823392] [2020-10-16 13:52:03,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:03,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:52:03,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [895375978] [2020-10-16 13:52:03,350 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:03,352 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:03,359 INFO L258 McrAutomatonBuilder]: Finished intersection with 44 states and 70 transitions. [2020-10-16 13:52:03,359 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:03,476 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:03,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 13:52:03,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:03,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 13:52:03,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:52:03,478 INFO L87 Difference]: Start difference. First operand 346 states and 1012 transitions. Second operand 5 states. [2020-10-16 13:52:03,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:03,520 INFO L93 Difference]: Finished difference Result 430 states and 1224 transitions. [2020-10-16 13:52:03,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 13:52:03,521 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-16 13:52:03,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:03,522 INFO L225 Difference]: With dead ends: 430 [2020-10-16 13:52:03,522 INFO L226 Difference]: Without dead ends: 148 [2020-10-16 13:52:03,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 13:52:03,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-10-16 13:52:03,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-10-16 13:52:03,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-10-16 13:52:03,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 398 transitions. [2020-10-16 13:52:03,529 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 398 transitions. Word has length 16 [2020-10-16 13:52:03,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:03,529 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 398 transitions. [2020-10-16 13:52:03,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 13:52:03,529 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 398 transitions. [2020-10-16 13:52:03,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-16 13:52:03,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:52:03,530 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:52:03,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 13:52:03,531 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:52:03,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:52:03,531 INFO L82 PathProgramCache]: Analyzing trace with hash 355522076, now seen corresponding path program 1 times [2020-10-16 13:52:03,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:52:03,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798168611] [2020-10-16 13:52:03,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:52:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:52:03,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:52:03,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798168611] [2020-10-16 13:52:03,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:52:03,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:52:03,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1458027415] [2020-10-16 13:52:03,591 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:52:03,593 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:52:03,618 INFO L258 McrAutomatonBuilder]: Finished intersection with 26 states and 32 transitions. [2020-10-16 13:52:03,618 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:52:03,644 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:52:03,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 13:52:03,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:52:03,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 13:52:03,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:52:03,646 INFO L87 Difference]: Start difference. First operand 148 states and 398 transitions. Second operand 5 states. [2020-10-16 13:52:03,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:52:03,678 INFO L93 Difference]: Finished difference Result 124 states and 322 transitions. [2020-10-16 13:52:03,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 13:52:03,679 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-16 13:52:03,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:52:03,679 INFO L225 Difference]: With dead ends: 124 [2020-10-16 13:52:03,679 INFO L226 Difference]: Without dead ends: 0 [2020-10-16 13:52:03,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 13:52:03,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-16 13:52:03,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-16 13:52:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-16 13:52:03,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-16 13:52:03,681 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-16 13:52:03,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:52:03,681 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-16 13:52:03,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 13:52:03,681 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-16 13:52:03,682 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-16 13:52:03,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 13:52:03,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:52:03 BasicIcfg [2020-10-16 13:52:03,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 13:52:03,688 INFO L168 Benchmark]: Toolchain (without parser) took 4944.49 ms. Allocated memory was 140.0 MB in the beginning and 298.8 MB in the end (delta: 158.9 MB). Free memory was 101.3 MB in the beginning and 247.5 MB in the end (delta: -146.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2020-10-16 13:52:03,689 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-16 13:52:03,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.69 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 100.9 MB in the beginning and 160.1 MB in the end (delta: -59.2 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-10-16 13:52:03,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.54 ms. Allocated memory is still 203.4 MB. Free memory was 160.1 MB in the beginning and 158.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-16 13:52:03,692 INFO L168 Benchmark]: Boogie Preprocessor took 30.32 ms. Allocated memory is still 203.4 MB. Free memory was 158.1 MB in the beginning and 156.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-16 13:52:03,692 INFO L168 Benchmark]: RCFGBuilder took 505.18 ms. Allocated memory is still 203.4 MB. Free memory was 156.2 MB in the beginning and 131.4 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2020-10-16 13:52:03,693 INFO L168 Benchmark]: TraceAbstraction took 3630.59 ms. Allocated memory was 203.4 MB in the beginning and 298.8 MB in the end (delta: 95.4 MB). Free memory was 131.4 MB in the beginning and 247.5 MB in the end (delta: -116.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 13:52:03,697 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 718.69 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 100.9 MB in the beginning and 160.1 MB in the end (delta: -59.2 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.54 ms. Allocated memory is still 203.4 MB. Free memory was 160.1 MB in the beginning and 158.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.32 ms. Allocated memory is still 203.4 MB. Free memory was 158.1 MB in the beginning and 156.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 505.18 ms. Allocated memory is still 203.4 MB. Free memory was 156.2 MB in the beginning and 131.4 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3630.59 ms. Allocated memory was 203.4 MB in the beginning and 298.8 MB in the end (delta: 95.4 MB). Free memory was 131.4 MB in the beginning and 247.5 MB in the end (delta: -116.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1056 VarBasedMoverChecksPositive, 30 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 115 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.5s, 97 PlacesBefore, 41 PlacesAfterwards, 86 TransitionsBefore, 29 TransitionsAfterwards, 2016 CoEnabledTransitionPairs, 6 FixpointIterations, 17 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 68 TotalNumberOfCompositions, 4737 MoverChecksTotal - PositiveResult [Line: 7]: 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, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, HoareTripleCheckerStatistics: 173 SDtfs, 205 SDslu, 248 SDs, 0 SdLazy, 45 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 2859 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...