/usr/bin/java -Xmx16000000000 -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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix035_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 01:24:22,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 01:24:22,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 01:24:22,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 01:24:22,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 01:24:22,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 01:24:22,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 01:24:22,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 01:24:22,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 01:24:22,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 01:24:22,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 01:24:22,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 01:24:22,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 01:24:22,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 01:24:22,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 01:24:22,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 01:24:22,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 01:24:22,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 01:24:22,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 01:24:22,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 01:24:22,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 01:24:22,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 01:24:22,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 01:24:22,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 01:24:22,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 01:24:22,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 01:24:22,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 01:24:22,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 01:24:22,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 01:24:22,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 01:24:22,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 01:24:22,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 01:24:22,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 01:24:22,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 01:24:22,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 01:24:22,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 01:24:22,543 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2020-10-16 01:24:22,565 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 01:24:22,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 01:24:22,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 01:24:22,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 01:24:22,567 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 01:24:22,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 01:24:22,567 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 01:24:22,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 01:24:22,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 01:24:22,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 01:24:22,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 01:24:22,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 01:24:22,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 01:24:22,569 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 01:24:22,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 01:24:22,569 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 01:24:22,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 01:24:22,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 01:24:22,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 01:24:22,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 01:24:22,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 01:24:22,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 01:24:22,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 01:24:22,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 01:24:22,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 01:24:22,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 01:24:22,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 01:24:22,571 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 01:24:22,572 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 01:24:22,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 01:24:22,842 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 01:24:22,845 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 01:24:22,847 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 01:24:22,847 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 01:24:22,848 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix035_tso.oepc.i [2020-10-16 01:24:22,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeec16fa8/5511184cba774beba947ca7fda8abff2/FLAG6ce360d7b [2020-10-16 01:24:23,462 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 01:24:23,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix035_tso.oepc.i [2020-10-16 01:24:23,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeec16fa8/5511184cba774beba947ca7fda8abff2/FLAG6ce360d7b [2020-10-16 01:24:23,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeec16fa8/5511184cba774beba947ca7fda8abff2 [2020-10-16 01:24:23,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 01:24:23,765 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 01:24:23,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 01:24:23,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 01:24:23,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 01:24:23,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:23" (1/1) ... [2020-10-16 01:24:23,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b910bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:23, skipping insertion in model container [2020-10-16 01:24:23,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:23" (1/1) ... [2020-10-16 01:24:23,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 01:24:23,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 01:24:24,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:24:24,385 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 01:24:24,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:24:24,531 INFO L208 MainTranslator]: Completed translation [2020-10-16 01:24:24,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:24 WrapperNode [2020-10-16 01:24:24,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 01:24:24,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 01:24:24,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 01:24:24,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 01:24:24,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:24" (1/1) ... [2020-10-16 01:24:24,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:24" (1/1) ... [2020-10-16 01:24:24,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 01:24:24,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 01:24:24,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 01:24:24,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 01:24:24,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:24" (1/1) ... [2020-10-16 01:24:24,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:24" (1/1) ... [2020-10-16 01:24:24,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:24" (1/1) ... [2020-10-16 01:24:24,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:24" (1/1) ... [2020-10-16 01:24:24,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:24" (1/1) ... [2020-10-16 01:24:24,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:24" (1/1) ... [2020-10-16 01:24:24,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:24" (1/1) ... [2020-10-16 01:24:24,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 01:24:24,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 01:24:24,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 01:24:24,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 01:24:24,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:24" (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 [2020-10-16 01:24:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 01:24:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 01:24:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 01:24:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 01:24:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 01:24:24,710 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 01:24:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 01:24:24,710 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 01:24:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 01:24:24,711 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 01:24:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 01:24:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 01:24:24,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 01:24:24,713 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 01:24:26,733 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 01:24:26,733 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 01:24:26,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:24:26 BoogieIcfgContainer [2020-10-16 01:24:26,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 01:24:26,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 01:24:26,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 01:24:26,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 01:24:26,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:24:23" (1/3) ... [2020-10-16 01:24:26,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7348af66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:24:26, skipping insertion in model container [2020-10-16 01:24:26,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:24" (2/3) ... [2020-10-16 01:24:26,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7348af66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:24:26, skipping insertion in model container [2020-10-16 01:24:26,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:24:26" (3/3) ... [2020-10-16 01:24:26,745 INFO L111 eAbstractionObserver]: Analyzing ICFG mix035_tso.oepc.i [2020-10-16 01:24:26,757 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 01:24:26,765 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 01:24:26,766 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 01:24:26,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,800 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,800 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,800 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,801 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,801 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,801 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,802 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,802 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,802 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,802 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,803 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,803 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,803 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,803 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,804 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,804 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,804 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,804 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,805 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,805 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,805 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,805 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,806 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,806 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,806 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,806 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,806 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,807 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,807 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,808 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,808 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,808 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,808 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,809 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,809 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,809 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,810 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,810 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,810 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,810 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,811 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,811 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,811 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,811 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,811 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,812 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,812 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,812 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,812 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,813 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,813 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,813 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,813 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,813 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,814 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,814 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,814 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,814 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,815 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,815 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,815 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,815 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,815 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,816 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,816 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,816 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,816 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,817 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,817 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,817 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,817 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,820 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,820 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,820 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,820 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,820 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,821 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,821 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,828 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,830 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,832 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,855 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,856 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,856 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,859 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,859 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,859 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:26,881 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 01:24:26,907 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 01:24:26,908 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 01:24:26,908 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 01:24:26,908 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 01:24:26,908 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 01:24:26,908 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 01:24:26,909 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 01:24:26,909 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 01:24:26,932 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 106 places, 98 transitions, 211 flow [2020-10-16 01:24:27,002 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2020-10-16 01:24:27,003 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:24:27,010 INFO L80 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 68 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2020-10-16 01:24:27,011 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 98 transitions, 211 flow [2020-10-16 01:24:27,023 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 95 transitions, 199 flow [2020-10-16 01:24:27,026 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 01:24:27,031 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 95 transitions, 199 flow [2020-10-16 01:24:27,033 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 95 transitions, 199 flow [2020-10-16 01:24:27,034 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 103 places, 95 transitions, 199 flow [2020-10-16 01:24:27,078 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2020-10-16 01:24:27,078 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:24:27,080 INFO L80 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 69 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2020-10-16 01:24:27,085 INFO L117 LiptonReduction]: Number of co-enabled transitions 1814 [2020-10-16 01:24:27,211 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:27,211 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:27,213 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:27,213 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:27,218 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:27,218 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:27,222 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:27,223 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:27,250 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:27,251 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:27,252 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:27,253 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:27,257 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:27,257 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:27,261 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:27,261 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:27,414 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:27,414 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:27,415 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:27,416 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:27,419 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:27,419 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:27,422 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:27,423 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:27,442 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:27,442 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:27,443 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:27,444 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:27,446 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:27,447 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:27,449 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:27,450 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:27,900 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 01:24:28,008 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-16 01:24:28,070 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,071 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,072 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,072 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,075 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,076 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,078 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,078 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,098 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,099 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,100 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,100 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,103 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,103 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,106 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,106 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,146 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,146 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,147 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,147 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,149 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,150 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,152 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,152 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,169 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,169 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,170 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,170 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,172 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,173 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,175 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,175 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,555 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,556 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,556 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,557 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,559 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,559 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,561 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,561 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,578 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,579 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,580 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,580 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,582 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,582 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,584 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,584 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,653 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,654 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,656 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,656 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,658 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,659 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,661 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,662 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,687 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,688 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,689 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,689 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,691 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,692 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,693 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,694 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,733 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,734 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,735 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,736 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,738 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,739 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,742 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,743 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,760 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,761 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,762 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,763 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,766 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,766 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,769 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,770 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,899 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,900 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,901 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,902 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,904 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,905 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,908 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,908 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,927 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,928 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,929 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,930 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,932 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,933 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,936 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,936 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,989 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,990 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,991 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,992 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:28,994 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:28,995 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:28,998 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:28,998 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:29,020 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:29,021 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:29,022 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:29,022 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:29,023 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:29,024 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:29,026 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:29,026 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:29,168 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-16 01:24:29,168 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:29,927 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-16 01:24:30,370 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-10-16 01:24:30,482 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-16 01:24:30,489 INFO L132 LiptonReduction]: Checked pairs total: 4881 [2020-10-16 01:24:30,489 INFO L134 LiptonReduction]: Total number of compositions: 78 [2020-10-16 01:24:30,492 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3468 [2020-10-16 01:24:30,498 INFO L129 PetriNetUnfolder]: 0/4 cut-off events. [2020-10-16 01:24:30,498 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:24:30,498 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:24:30,499 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 01:24:30,500 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:24:30,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:24:30,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1056999, now seen corresponding path program 1 times [2020-10-16 01:24:30,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:24:30,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464445363] [2020-10-16 01:24:30,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:24:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:24:30,727 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 01:24:30,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464445363] [2020-10-16 01:24:30,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:24:30,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 01:24:30,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730674705] [2020-10-16 01:24:30,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 01:24:30,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:24:30,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 01:24:30,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 01:24:30,751 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 176 [2020-10-16 01:24:30,753 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 26 transitions, 61 flow. Second operand 3 states. [2020-10-16 01:24:30,753 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:24:30,754 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 176 [2020-10-16 01:24:30,755 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:24:30,853 INFO L129 PetriNetUnfolder]: 49/144 cut-off events. [2020-10-16 01:24:30,853 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:24:30,854 INFO L80 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 144 events. 49/144 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 658 event pairs, 38 based on Foata normal form. 17/147 useless extension candidates. Maximal degree in co-relation 230. Up to 65 conditions per place. [2020-10-16 01:24:30,856 INFO L132 encePairwiseOnDemand]: 172/176 looper letters, 9 selfloop transitions, 2 changer transitions 0/28 dead transitions. [2020-10-16 01:24:30,856 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 28 transitions, 87 flow [2020-10-16 01:24:30,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 01:24:30,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 01:24:30,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 470 transitions. [2020-10-16 01:24:30,875 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8901515151515151 [2020-10-16 01:24:30,876 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 470 transitions. [2020-10-16 01:24:30,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 470 transitions. [2020-10-16 01:24:30,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:24:30,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 470 transitions. [2020-10-16 01:24:30,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 01:24:30,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 01:24:30,895 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 01:24:30,897 INFO L185 Difference]: Start difference. First operand has 35 places, 26 transitions, 61 flow. Second operand 3 states and 470 transitions. [2020-10-16 01:24:30,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 28 transitions, 87 flow [2020-10-16 01:24:30,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 28 transitions, 84 flow, removed 0 selfloop flow, removed 3 redundant places. [2020-10-16 01:24:30,903 INFO L241 Difference]: Finished difference. Result has 33 places, 24 transitions, 58 flow [2020-10-16 01:24:30,906 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=58, PETRI_PLACES=33, PETRI_TRANSITIONS=24} [2020-10-16 01:24:30,907 INFO L342 CegarLoopForPetriNet]: 35 programPoint places, -2 predicate places. [2020-10-16 01:24:30,908 INFO L481 AbstractCegarLoop]: Abstraction has has 33 places, 24 transitions, 58 flow [2020-10-16 01:24:30,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 01:24:30,908 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:24:30,908 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:24:30,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 01:24:30,909 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:24:30,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:24:30,909 INFO L82 PathProgramCache]: Analyzing trace with hash 939596926, now seen corresponding path program 1 times [2020-10-16 01:24:30,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:24:30,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848958648] [2020-10-16 01:24:30,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:24:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:24:31,089 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 01:24:31,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848958648] [2020-10-16 01:24:31,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:24:31,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 01:24:31,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741893138] [2020-10-16 01:24:31,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 01:24:31,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:24:31,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 01:24:31,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 01:24:31,095 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 176 [2020-10-16 01:24:31,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 58 flow. Second operand 4 states. [2020-10-16 01:24:31,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:24:31,096 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 176 [2020-10-16 01:24:31,096 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:24:31,137 INFO L129 PetriNetUnfolder]: 1/35 cut-off events. [2020-10-16 01:24:31,137 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:24:31,137 INFO L80 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 35 events. 1/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 65 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 47. Up to 5 conditions per place. [2020-10-16 01:24:31,138 INFO L132 encePairwiseOnDemand]: 172/176 looper letters, 2 selfloop transitions, 2 changer transitions 5/28 dead transitions. [2020-10-16 01:24:31,138 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 28 transitions, 84 flow [2020-10-16 01:24:31,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 01:24:31,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 01:24:31,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 726 transitions. [2020-10-16 01:24:31,142 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.825 [2020-10-16 01:24:31,142 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 726 transitions. [2020-10-16 01:24:31,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 726 transitions. [2020-10-16 01:24:31,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:24:31,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 726 transitions. [2020-10-16 01:24:31,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 01:24:31,147 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 01:24:31,147 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 01:24:31,147 INFO L185 Difference]: Start difference. First operand has 33 places, 24 transitions, 58 flow. Second operand 5 states and 726 transitions. [2020-10-16 01:24:31,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 28 transitions, 84 flow [2020-10-16 01:24:31,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 28 transitions, 80 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 01:24:31,149 INFO L241 Difference]: Finished difference. Result has 38 places, 23 transitions, 64 flow [2020-10-16 01:24:31,149 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=64, PETRI_PLACES=38, PETRI_TRANSITIONS=23} [2020-10-16 01:24:31,150 INFO L342 CegarLoopForPetriNet]: 35 programPoint places, 3 predicate places. [2020-10-16 01:24:31,150 INFO L481 AbstractCegarLoop]: Abstraction has has 38 places, 23 transitions, 64 flow [2020-10-16 01:24:31,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 01:24:31,150 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:24:31,150 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:24:31,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 01:24:31,151 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:24:31,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:24:31,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1012542175, now seen corresponding path program 1 times [2020-10-16 01:24:31,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:24:31,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557787521] [2020-10-16 01:24:31,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:24:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:24:31,237 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 01:24:31,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557787521] [2020-10-16 01:24:31,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:24:31,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 01:24:31,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656224847] [2020-10-16 01:24:31,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 01:24:31,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:24:31,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 01:24:31,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 01:24:31,241 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 176 [2020-10-16 01:24:31,241 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 23 transitions, 64 flow. Second operand 4 states. [2020-10-16 01:24:31,242 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:24:31,242 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 176 [2020-10-16 01:24:31,242 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:24:31,285 INFO L129 PetriNetUnfolder]: 28/87 cut-off events. [2020-10-16 01:24:31,285 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 01:24:31,286 INFO L80 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 87 events. 28/87 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 325 event pairs, 12 based on Foata normal form. 8/94 useless extension candidates. Maximal degree in co-relation 169. Up to 45 conditions per place. [2020-10-16 01:24:31,287 INFO L132 encePairwiseOnDemand]: 170/176 looper letters, 5 selfloop transitions, 4 changer transitions 7/33 dead transitions. [2020-10-16 01:24:31,287 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 33 transitions, 116 flow [2020-10-16 01:24:31,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 01:24:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 01:24:31,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 733 transitions. [2020-10-16 01:24:31,290 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8329545454545455 [2020-10-16 01:24:31,290 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 733 transitions. [2020-10-16 01:24:31,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 733 transitions. [2020-10-16 01:24:31,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:24:31,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 733 transitions. [2020-10-16 01:24:31,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 01:24:31,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 01:24:31,294 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 01:24:31,294 INFO L185 Difference]: Start difference. First operand has 38 places, 23 transitions, 64 flow. Second operand 5 states and 733 transitions. [2020-10-16 01:24:31,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 33 transitions, 116 flow [2020-10-16 01:24:31,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 33 transitions, 108 flow, removed 2 selfloop flow, removed 4 redundant places. [2020-10-16 01:24:31,296 INFO L241 Difference]: Finished difference. Result has 38 places, 26 transitions, 92 flow [2020-10-16 01:24:31,297 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=92, PETRI_PLACES=38, PETRI_TRANSITIONS=26} [2020-10-16 01:24:31,297 INFO L342 CegarLoopForPetriNet]: 35 programPoint places, 3 predicate places. [2020-10-16 01:24:31,297 INFO L481 AbstractCegarLoop]: Abstraction has has 38 places, 26 transitions, 92 flow [2020-10-16 01:24:31,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 01:24:31,297 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:24:31,297 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:24:31,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 01:24:31,298 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:24:31,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:24:31,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1199788827, now seen corresponding path program 1 times [2020-10-16 01:24:31,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:24:31,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241202711] [2020-10-16 01:24:31,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:24:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:24:31,470 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 01:24:31,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241202711] [2020-10-16 01:24:31,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:24:31,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 01:24:31,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886217157] [2020-10-16 01:24:31,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 01:24:31,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:24:31,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 01:24:31,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 01:24:31,474 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 176 [2020-10-16 01:24:31,475 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 26 transitions, 92 flow. Second operand 5 states. [2020-10-16 01:24:31,475 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:24:31,475 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 176 [2020-10-16 01:24:31,475 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:24:31,534 INFO L129 PetriNetUnfolder]: 16/62 cut-off events. [2020-10-16 01:24:31,534 INFO L130 PetriNetUnfolder]: For 39/48 co-relation queries the response was YES. [2020-10-16 01:24:31,535 INFO L80 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 62 events. 16/62 cut-off events. For 39/48 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 168 event pairs, 2 based on Foata normal form. 12/73 useless extension candidates. Maximal degree in co-relation 176. Up to 35 conditions per place. [2020-10-16 01:24:31,535 INFO L132 encePairwiseOnDemand]: 170/176 looper letters, 5 selfloop transitions, 7 changer transitions 7/36 dead transitions. [2020-10-16 01:24:31,536 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 36 transitions, 188 flow [2020-10-16 01:24:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 01:24:31,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 01:24:31,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 879 transitions. [2020-10-16 01:24:31,539 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8323863636363636 [2020-10-16 01:24:31,539 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 879 transitions. [2020-10-16 01:24:31,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 879 transitions. [2020-10-16 01:24:31,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:24:31,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 879 transitions. [2020-10-16 01:24:31,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 01:24:31,543 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 01:24:31,544 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 01:24:31,544 INFO L185 Difference]: Start difference. First operand has 38 places, 26 transitions, 92 flow. Second operand 6 states and 879 transitions. [2020-10-16 01:24:31,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 36 transitions, 188 flow [2020-10-16 01:24:31,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 36 transitions, 182 flow, removed 1 selfloop flow, removed 2 redundant places. [2020-10-16 01:24:31,547 INFO L241 Difference]: Finished difference. Result has 42 places, 29 transitions, 142 flow [2020-10-16 01:24:31,547 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=142, PETRI_PLACES=42, PETRI_TRANSITIONS=29} [2020-10-16 01:24:31,547 INFO L342 CegarLoopForPetriNet]: 35 programPoint places, 7 predicate places. [2020-10-16 01:24:31,547 INFO L481 AbstractCegarLoop]: Abstraction has has 42 places, 29 transitions, 142 flow [2020-10-16 01:24:31,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 01:24:31,547 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:24:31,548 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:24:31,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 01:24:31,548 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:24:31,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:24:31,548 INFO L82 PathProgramCache]: Analyzing trace with hash 715056157, now seen corresponding path program 1 times [2020-10-16 01:24:31,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:24:31,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063507383] [2020-10-16 01:24:31,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:24:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:24:31,762 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 01:24:31,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063507383] [2020-10-16 01:24:31,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:24:31,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 01:24:31,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619217375] [2020-10-16 01:24:31,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 01:24:31,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:24:31,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 01:24:31,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 01:24:31,766 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 176 [2020-10-16 01:24:31,766 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 29 transitions, 142 flow. Second operand 6 states. [2020-10-16 01:24:31,766 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:24:31,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 176 [2020-10-16 01:24:31,767 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:24:31,849 INFO L129 PetriNetUnfolder]: 7/38 cut-off events. [2020-10-16 01:24:31,850 INFO L130 PetriNetUnfolder]: For 74/92 co-relation queries the response was YES. [2020-10-16 01:24:31,850 INFO L80 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 38 events. 7/38 cut-off events. For 74/92 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 14/51 useless extension candidates. Maximal degree in co-relation 127. Up to 20 conditions per place. [2020-10-16 01:24:31,850 INFO L132 encePairwiseOnDemand]: 170/176 looper letters, 2 selfloop transitions, 10 changer transitions 4/33 dead transitions. [2020-10-16 01:24:31,851 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 33 transitions, 210 flow [2020-10-16 01:24:31,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 01:24:31,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 01:24:31,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1019 transitions. [2020-10-16 01:24:31,855 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8271103896103896 [2020-10-16 01:24:31,855 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1019 transitions. [2020-10-16 01:24:31,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1019 transitions. [2020-10-16 01:24:31,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:24:31,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1019 transitions. [2020-10-16 01:24:31,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 01:24:31,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 01:24:31,860 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 01:24:31,860 INFO L185 Difference]: Start difference. First operand has 42 places, 29 transitions, 142 flow. Second operand 7 states and 1019 transitions. [2020-10-16 01:24:31,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 33 transitions, 210 flow [2020-10-16 01:24:31,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 33 transitions, 170 flow, removed 15 selfloop flow, removed 5 redundant places. [2020-10-16 01:24:31,863 INFO L241 Difference]: Finished difference. Result has 44 places, 29 transitions, 140 flow [2020-10-16 01:24:31,864 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=140, PETRI_PLACES=44, PETRI_TRANSITIONS=29} [2020-10-16 01:24:31,864 INFO L342 CegarLoopForPetriNet]: 35 programPoint places, 9 predicate places. [2020-10-16 01:24:31,864 INFO L481 AbstractCegarLoop]: Abstraction has has 44 places, 29 transitions, 140 flow [2020-10-16 01:24:31,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 01:24:31,864 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:24:31,864 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:24:31,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 01:24:31,865 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:24:31,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:24:31,865 INFO L82 PathProgramCache]: Analyzing trace with hash 81415958, now seen corresponding path program 1 times [2020-10-16 01:24:31,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:24:31,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965692816] [2020-10-16 01:24:31,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:24:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:24:32,039 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 01:24:32,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965692816] [2020-10-16 01:24:32,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:24:32,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 01:24:32,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703361556] [2020-10-16 01:24:32,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 01:24:32,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:24:32,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 01:24:32,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-16 01:24:32,043 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 176 [2020-10-16 01:24:32,043 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 29 transitions, 140 flow. Second operand 7 states. [2020-10-16 01:24:32,044 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:24:32,044 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 176 [2020-10-16 01:24:32,044 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:24:32,279 INFO L129 PetriNetUnfolder]: 79/205 cut-off events. [2020-10-16 01:24:32,279 INFO L130 PetriNetUnfolder]: For 168/179 co-relation queries the response was YES. [2020-10-16 01:24:32,280 INFO L80 FinitePrefix]: Finished finitePrefix Result has 518 conditions, 205 events. 79/205 cut-off events. For 168/179 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 917 event pairs, 10 based on Foata normal form. 2/194 useless extension candidates. Maximal degree in co-relation 502. Up to 56 conditions per place. [2020-10-16 01:24:32,284 INFO L132 encePairwiseOnDemand]: 167/176 looper letters, 13 selfloop transitions, 1 changer transitions 16/48 dead transitions. [2020-10-16 01:24:32,285 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 48 transitions, 244 flow [2020-10-16 01:24:32,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 01:24:32,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 01:24:32,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 892 transitions. [2020-10-16 01:24:32,288 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.724025974025974 [2020-10-16 01:24:32,288 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 892 transitions. [2020-10-16 01:24:32,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 892 transitions. [2020-10-16 01:24:32,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:24:32,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 892 transitions. [2020-10-16 01:24:32,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 01:24:32,293 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 01:24:32,294 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 01:24:32,294 INFO L185 Difference]: Start difference. First operand has 44 places, 29 transitions, 140 flow. Second operand 7 states and 892 transitions. [2020-10-16 01:24:32,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 48 transitions, 244 flow [2020-10-16 01:24:32,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 48 transitions, 200 flow, removed 15 selfloop flow, removed 6 redundant places. [2020-10-16 01:24:32,298 INFO L241 Difference]: Finished difference. Result has 47 places, 29 transitions, 129 flow [2020-10-16 01:24:32,298 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=129, PETRI_PLACES=47, PETRI_TRANSITIONS=29} [2020-10-16 01:24:32,299 INFO L342 CegarLoopForPetriNet]: 35 programPoint places, 12 predicate places. [2020-10-16 01:24:32,299 INFO L481 AbstractCegarLoop]: Abstraction has has 47 places, 29 transitions, 129 flow [2020-10-16 01:24:32,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 01:24:32,299 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:24:32,299 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:24:32,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 01:24:32,299 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:24:32,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:24:32,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1395128470, now seen corresponding path program 2 times [2020-10-16 01:24:32,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:24:32,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859842771] [2020-10-16 01:24:32,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:24:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:24:32,395 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 01:24:32,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859842771] [2020-10-16 01:24:32,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:24:32,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 01:24:32,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674002860] [2020-10-16 01:24:32,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 01:24:32,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:24:32,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 01:24:32,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 01:24:32,400 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 176 [2020-10-16 01:24:32,400 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 29 transitions, 129 flow. Second operand 5 states. [2020-10-16 01:24:32,401 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:24:32,401 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 176 [2020-10-16 01:24:32,401 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:24:32,460 INFO L129 PetriNetUnfolder]: 48/171 cut-off events. [2020-10-16 01:24:32,460 INFO L130 PetriNetUnfolder]: For 109/131 co-relation queries the response was YES. [2020-10-16 01:24:32,462 INFO L80 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 171 events. 48/171 cut-off events. For 109/131 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 846 event pairs, 28 based on Foata normal form. 2/153 useless extension candidates. Maximal degree in co-relation 463. Up to 66 conditions per place. [2020-10-16 01:24:32,462 INFO L132 encePairwiseOnDemand]: 172/176 looper letters, 4 selfloop transitions, 1 changer transitions 2/31 dead transitions. [2020-10-16 01:24:32,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 31 transitions, 149 flow [2020-10-16 01:24:32,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 01:24:32,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 01:24:32,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 708 transitions. [2020-10-16 01:24:32,465 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8045454545454546 [2020-10-16 01:24:32,466 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 708 transitions. [2020-10-16 01:24:32,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 708 transitions. [2020-10-16 01:24:32,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:24:32,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 708 transitions. [2020-10-16 01:24:32,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 01:24:32,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 01:24:32,470 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 01:24:32,470 INFO L185 Difference]: Start difference. First operand has 47 places, 29 transitions, 129 flow. Second operand 5 states and 708 transitions. [2020-10-16 01:24:32,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 31 transitions, 149 flow [2020-10-16 01:24:32,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 31 transitions, 142 flow, removed 3 selfloop flow, removed 3 redundant places. [2020-10-16 01:24:32,473 INFO L241 Difference]: Finished difference. Result has 47 places, 29 transitions, 133 flow [2020-10-16 01:24:32,474 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=133, PETRI_PLACES=47, PETRI_TRANSITIONS=29} [2020-10-16 01:24:32,474 INFO L342 CegarLoopForPetriNet]: 35 programPoint places, 12 predicate places. [2020-10-16 01:24:32,474 INFO L481 AbstractCegarLoop]: Abstraction has has 47 places, 29 transitions, 133 flow [2020-10-16 01:24:32,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 01:24:32,475 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:24:32,475 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:24:32,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 01:24:32,475 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:24:32,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:24:32,476 INFO L82 PathProgramCache]: Analyzing trace with hash 849159230, now seen corresponding path program 3 times [2020-10-16 01:24:32,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:24:32,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420262952] [2020-10-16 01:24:32,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:24:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 01:24:32,528 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 01:24:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 01:24:32,573 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 01:24:32,607 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 01:24:32,607 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 01:24:32,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 01:24:32,627 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,628 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,631 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,631 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,631 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,631 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,631 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,631 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,632 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,632 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,632 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,632 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,632 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,633 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,633 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,633 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,633 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,633 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,634 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,634 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,634 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,634 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,634 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,634 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,635 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,635 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,635 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,635 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,635 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,636 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,636 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,636 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,636 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,636 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,636 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,637 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,637 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,637 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,637 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,638 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,638 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,638 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,638 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,638 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,638 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,639 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,639 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,639 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,639 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,639 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,640 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,640 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,640 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,640 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,640 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,641 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,641 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,641 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,642 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,642 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,642 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,642 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,642 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,643 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,643 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,643 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,643 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:24:32,643 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:32,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:24:32 BasicIcfg [2020-10-16 01:24:32,709 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 01:24:32,717 INFO L168 Benchmark]: Toolchain (without parser) took 8951.73 ms. Allocated memory was 250.1 MB in the beginning and 518.5 MB in the end (delta: 268.4 MB). Free memory was 205.4 MB in the beginning and 278.9 MB in the end (delta: -73.5 MB). Peak memory consumption was 195.0 MB. Max. memory is 14.2 GB. [2020-10-16 01:24:32,717 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 01:24:32,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.61 ms. Allocated memory was 250.1 MB in the beginning and 310.4 MB in the end (delta: 60.3 MB). Free memory was 205.4 MB in the beginning and 260.6 MB in the end (delta: -55.2 MB). Peak memory consumption was 33.7 MB. Max. memory is 14.2 GB. [2020-10-16 01:24:32,719 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.83 ms. Allocated memory is still 310.4 MB. Free memory was 260.6 MB in the beginning and 258.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 01:24:32,720 INFO L168 Benchmark]: Boogie Preprocessor took 39.56 ms. Allocated memory is still 310.4 MB. Free memory was 258.1 MB in the beginning and 255.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 01:24:32,721 INFO L168 Benchmark]: RCFGBuilder took 2098.42 ms. Allocated memory was 310.4 MB in the beginning and 356.5 MB in the end (delta: 46.1 MB). Free memory was 255.6 MB in the beginning and 189.8 MB in the end (delta: 65.8 MB). Peak memory consumption was 111.9 MB. Max. memory is 14.2 GB. [2020-10-16 01:24:32,723 INFO L168 Benchmark]: TraceAbstraction took 5972.58 ms. Allocated memory was 356.5 MB in the beginning and 518.5 MB in the end (delta: 162.0 MB). Free memory was 186.4 MB in the beginning and 278.9 MB in the end (delta: -92.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 14.2 GB. [2020-10-16 01:24:32,730 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 765.61 ms. Allocated memory was 250.1 MB in the beginning and 310.4 MB in the end (delta: 60.3 MB). Free memory was 205.4 MB in the beginning and 260.6 MB in the end (delta: -55.2 MB). Peak memory consumption was 33.7 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 64.83 ms. Allocated memory is still 310.4 MB. Free memory was 260.6 MB in the beginning and 258.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 39.56 ms. Allocated memory is still 310.4 MB. Free memory was 258.1 MB in the beginning and 255.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 2098.42 ms. Allocated memory was 310.4 MB in the beginning and 356.5 MB in the end (delta: 46.1 MB). Free memory was 255.6 MB in the beginning and 189.8 MB in the end (delta: 65.8 MB). Peak memory consumption was 111.9 MB. Max. memory is 14.2 GB. * TraceAbstraction took 5972.58 ms. Allocated memory was 356.5 MB in the beginning and 518.5 MB in the end (delta: 162.0 MB). Free memory was 186.4 MB in the beginning and 278.9 MB in the end (delta: -92.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1205 VarBasedMoverChecksPositive, 67 VarBasedMoverChecksNegative, 26 SemBasedMoverChecksPositive, 41 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.0s, 152 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.4s, 103 PlacesBefore, 35 PlacesAfterwards, 95 TransitionsBefore, 26 TransitionsAfterwards, 1814 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 78 TotalNumberOfCompositions, 4881 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; [L700] 0 int __unbuffered_p0_EAX = 0; [L702] 0 int __unbuffered_p1_EAX = 0; [L704] 0 int __unbuffered_p2_EAX = 0; [L706] 0 int __unbuffered_p2_EBX = 0; [L708] 0 int a = 0; [L709] 0 _Bool a$flush_delayed; [L710] 0 int a$mem_tmp; [L711] 0 _Bool a$r_buff0_thd0; [L712] 0 _Bool a$r_buff0_thd1; [L713] 0 _Bool a$r_buff0_thd2; [L714] 0 _Bool a$r_buff0_thd3; [L715] 0 _Bool a$r_buff1_thd0; [L716] 0 _Bool a$r_buff1_thd1; [L717] 0 _Bool a$r_buff1_thd2; [L718] 0 _Bool a$r_buff1_thd3; [L719] 0 _Bool a$read_delayed; [L720] 0 int *a$read_delayed_var; [L721] 0 int a$w_buff0; [L722] 0 _Bool a$w_buff0_used; [L723] 0 int a$w_buff1; [L724] 0 _Bool a$w_buff1_used; [L725] 0 _Bool main$tmp_guard0; [L726] 0 _Bool main$tmp_guard1; [L728] 0 int x = 0; [L730] 0 int y = 0; [L732] 0 int z = 0; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L834] 0 pthread_t t931; [L835] FCALL, FORK 0 pthread_create(&t931, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L738] 1 a$w_buff1 = a$w_buff0 [L739] 1 a$w_buff0 = 1 [L740] 1 a$w_buff1_used = a$w_buff0_used [L741] 1 a$w_buff0_used = (_Bool)1 [L7] COND FALSE 1 !(!expression) [L743] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L744] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L745] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L746] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L747] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L750] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L836] 0 pthread_t t932; [L837] FCALL, FORK 0 pthread_create(&t932, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L767] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L770] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L838] 0 pthread_t t933; [L839] FCALL, FORK 0 pthread_create(&t933, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L787] 3 y = 1 [L790] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L793] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L796] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L797] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L798] 3 a$flush_delayed = weak$$choice2 [L799] 3 a$mem_tmp = a [L800] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L800] 3 a = !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L801] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L801] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0) [L801] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L801] 3 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L802] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L802] 3 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L803] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L803] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used) [L803] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L803] 3 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L804] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L804] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L804] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L804] 3 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L805] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L805] 3 a$r_buff0_thd3 = weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L806] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L806] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L806] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L806] 3 a$r_buff1_thd3 = weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L807] 3 __unbuffered_p2_EBX = a [L808] EXPR 3 a$flush_delayed ? a$mem_tmp : a [L808] 3 a = a$flush_delayed ? a$mem_tmp : a [L809] 3 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=0, x=1, y=1, z=1] [L753] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L753] EXPR 1 a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a [L753] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L753] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L754] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L754] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L755] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L755] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L756] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L756] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L757] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L757] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 1 return 0; [L773] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L773] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L774] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L774] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L775] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L775] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L776] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L776] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L777] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L777] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L780] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L782] 2 return 0; [L812] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L812] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L813] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L813] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L814] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L814] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L815] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L816] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L816] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L819] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L821] 3 return 0; [L841] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L845] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L845] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L846] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L846] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L847] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L847] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L848] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L848] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L849] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L849] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L852] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=0, x=1, y=1, z=1] [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=0, x=1, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 97 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 5.7s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 39 SDtfs, 31 SDslu, 53 SDs, 0 SdLazy, 185 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=142occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 5489 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 incorrect! Received shutdown request...