/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/mix025_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 01:20:56,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 01:20:56,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 01:20:56,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 01:20:56,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 01:20:56,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 01:20:56,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 01:20:56,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 01:20:56,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 01:20:56,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 01:20:56,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 01:20:56,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 01:20:56,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 01:20:56,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 01:20:56,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 01:20:56,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 01:20:56,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 01:20:56,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 01:20:56,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 01:20:56,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 01:20:56,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 01:20:56,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 01:20:56,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 01:20:56,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 01:20:56,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 01:20:56,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 01:20:56,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 01:20:56,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 01:20:56,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 01:20:56,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 01:20:56,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 01:20:56,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 01:20:56,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 01:20:56,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 01:20:56,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 01:20:56,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 01:20:56,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 01:20:56,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 01:20:56,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 01:20:56,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 01:20:56,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 01:20:56,755 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 01:20:56,792 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 01:20:56,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 01:20:56,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 01:20:56,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 01:20:56,794 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 01:20:56,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 01:20:56,794 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 01:20:56,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 01:20:56,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 01:20:56,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 01:20:56,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 01:20:56,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 01:20:56,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 01:20:56,797 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 01:20:56,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 01:20:56,797 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 01:20:56,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 01:20:56,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 01:20:56,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 01:20:56,798 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 01:20:56,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 01:20:56,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 01:20:56,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 01:20:56,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 01:20:56,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 01:20:56,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 01:20:56,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 01:20:56,800 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 01:20:56,800 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 01:20:57,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 01:20:57,101 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 01:20:57,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 01:20:57,106 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 01:20:57,107 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 01:20:57,107 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix025_power.oepc.i [2020-10-16 01:20:57,164 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eb6f784f/e67b08322e224663b5b5b28792f80f3e/FLAG42ad66d75 [2020-10-16 01:20:57,723 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 01:20:57,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix025_power.oepc.i [2020-10-16 01:20:57,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eb6f784f/e67b08322e224663b5b5b28792f80f3e/FLAG42ad66d75 [2020-10-16 01:20:57,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eb6f784f/e67b08322e224663b5b5b28792f80f3e [2020-10-16 01:20:57,996 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 01:20:57,998 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 01:20:58,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 01:20:58,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 01:20:58,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 01:20:58,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:20:57" (1/1) ... [2020-10-16 01:20:58,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de51a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:20:58, skipping insertion in model container [2020-10-16 01:20:58,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:20:57" (1/1) ... [2020-10-16 01:20:58,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 01:20:58,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 01:20:58,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:20:58,597 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 01:20:58,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:20:58,737 INFO L208 MainTranslator]: Completed translation [2020-10-16 01:20:58,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:20:58 WrapperNode [2020-10-16 01:20:58,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 01:20:58,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 01:20:58,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 01:20:58,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 01:20:58,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:20:58" (1/1) ... [2020-10-16 01:20:58,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:20:58" (1/1) ... [2020-10-16 01:20:58,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 01:20:58,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 01:20:58,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 01:20:58,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 01:20:58,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:20:58" (1/1) ... [2020-10-16 01:20:58,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:20:58" (1/1) ... [2020-10-16 01:20:58,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:20:58" (1/1) ... [2020-10-16 01:20:58,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:20:58" (1/1) ... [2020-10-16 01:20:58,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:20:58" (1/1) ... [2020-10-16 01:20:58,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:20:58" (1/1) ... [2020-10-16 01:20:58,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:20:58" (1/1) ... [2020-10-16 01:20:58,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 01:20:58,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 01:20:58,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 01:20:58,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 01:20:58,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:20:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 01:20:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 01:20:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 01:20:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 01:20:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 01:20:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 01:20:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 01:20:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 01:20:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 01:20:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 01:20:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 01:20:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 01:20:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 01:20:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 01:20:58,916 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 01:21:01,011 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 01:21:01,011 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 01:21:01,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:21:01 BoogieIcfgContainer [2020-10-16 01:21:01,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 01:21:01,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 01:21:01,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 01:21:01,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 01:21:01,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:20:57" (1/3) ... [2020-10-16 01:21:01,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4695526e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:21:01, skipping insertion in model container [2020-10-16 01:21:01,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:20:58" (2/3) ... [2020-10-16 01:21:01,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4695526e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:21:01, skipping insertion in model container [2020-10-16 01:21:01,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:21:01" (3/3) ... [2020-10-16 01:21:01,023 INFO L111 eAbstractionObserver]: Analyzing ICFG mix025_power.oepc.i [2020-10-16 01:21:01,038 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 01:21:01,046 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 01:21:01,047 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 01:21:01,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,080 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,080 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,081 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,082 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,085 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,086 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,089 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,089 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,089 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,089 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,093 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,093 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,093 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,093 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,093 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,094 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,094 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,094 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,094 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,094 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,095 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,095 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,095 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,095 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,095 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,106 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,106 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,106 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,106 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,107 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,109 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,110 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,110 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,110 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,110 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,111 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,111 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,111 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,111 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,112 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,112 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,112 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,112 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,113 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,113 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,118 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,118 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,118 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,119 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,119 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,119 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,119 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,120 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,120 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,120 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,120 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,121 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,123 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,123 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,124 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:21:01,144 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 01:21:01,165 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 01:21:01,165 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 01:21:01,165 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 01:21:01,165 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 01:21:01,166 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 01:21:01,166 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 01:21:01,166 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 01:21:01,166 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 01:21:01,181 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 103 places, 95 transitions, 205 flow [2020-10-16 01:21:01,231 INFO L129 PetriNetUnfolder]: 2/92 cut-off events. [2020-10-16 01:21:01,231 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:21:01,236 INFO L80 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 92 events. 2/92 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. 0/88 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2020-10-16 01:21:01,237 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 95 transitions, 205 flow [2020-10-16 01:21:01,244 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 92 transitions, 193 flow [2020-10-16 01:21:01,247 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 01:21:01,250 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 92 transitions, 193 flow [2020-10-16 01:21:01,253 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 92 transitions, 193 flow [2020-10-16 01:21:01,254 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 100 places, 92 transitions, 193 flow [2020-10-16 01:21:01,306 INFO L129 PetriNetUnfolder]: 2/92 cut-off events. [2020-10-16 01:21:01,306 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:21:01,307 INFO L80 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 92 events. 2/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2020-10-16 01:21:01,310 INFO L117 LiptonReduction]: Number of co-enabled transitions 1732 [2020-10-16 01:21:01,681 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:01,682 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:01,684 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:01,684 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:01,688 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:01,689 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:01,693 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:01,693 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:01,718 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:01,719 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:01,720 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:01,721 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:01,724 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:01,725 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:01,728 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:01,728 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:01,812 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:01,813 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:01,814 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:01,815 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:01,817 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:01,817 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:01,820 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:01,820 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:01,837 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:01,837 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:01,838 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:01,839 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:01,841 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:01,842 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:01,844 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:01,845 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:01,888 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:01,889 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:01,890 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:01,890 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:01,893 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:01,893 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:01,896 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:01,896 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:01,913 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:01,913 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:01,914 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:01,915 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:01,916 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:01,917 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:01,919 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:01,920 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:02,255 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 01:21:02,366 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-16 01:21:02,366 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:02,527 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-10-16 01:21:02,695 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:02,696 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:02,696 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:02,697 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:02,698 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:02,699 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:02,700 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:02,700 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:02,717 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:02,717 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:02,718 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:02,718 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:02,720 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:02,721 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:02,722 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:02,723 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:02,940 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:02,941 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:02,959 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:21:02,960 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:21:02,962 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:21:02,963 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:21:02,964 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:21:02,964 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:21:02,966 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:21:02,966 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:02,967 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:21:02,968 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:02,970 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:21:02,971 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:03,025 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:21:03,026 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 01:21:03,030 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:21:03,030 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:03,109 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:21:03,110 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 01:21:03,113 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:21:03,114 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:03,161 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,162 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,168 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:21:03,169 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:21:03,171 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:21:03,172 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:21:03,174 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:21:03,175 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:21:03,176 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:21:03,177 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:03,179 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:21:03,179 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:03,181 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:21:03,181 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:03,248 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-16 01:21:03,249 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,426 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:03,426 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,427 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,427 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,429 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,429 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:03,431 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:03,432 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:03,446 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:03,447 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,448 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,448 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,450 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,450 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:03,452 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:03,452 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:03,490 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-16 01:21:03,490 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,546 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:03,547 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,548 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,548 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,550 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,550 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:03,552 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:03,552 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:03,566 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:03,567 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,568 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,568 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,569 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,570 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:03,571 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:03,572 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:03,624 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,625 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,626 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,626 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,627 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,628 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:03,629 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:03,630 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:03,642 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,642 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,643 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,643 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,645 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,646 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:03,647 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:03,647 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:03,749 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,750 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,750 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,751 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,752 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,752 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:03,754 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:03,755 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:03,772 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,773 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,773 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,774 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,776 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,776 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:03,804 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:03,805 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:03,846 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,846 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,847 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,847 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,848 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,849 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:03,850 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:03,850 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:03,861 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,861 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,862 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,862 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,864 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,864 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:03,865 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:03,866 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:03,921 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:03,922 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:03,925 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:21:03,925 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:21:03,927 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:21:03,927 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:21:03,928 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:21:03,928 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:21:03,930 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:21:03,930 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:03,931 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:21:03,931 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:03,933 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:21:03,933 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:03,969 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:21:03,970 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 01:21:03,972 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:21:03,972 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:04,000 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:04,000 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:04,001 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:04,001 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:04,003 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:04,003 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:04,005 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:04,005 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:04,018 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:04,019 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:04,019 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:04,019 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:04,021 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:04,021 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:04,023 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:04,023 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:04,062 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:21:04,062 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 01:21:04,065 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:21:04,065 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:04,087 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:04,087 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:04,100 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:21:04,101 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:21:04,102 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:21:04,103 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:21:04,104 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:21:04,104 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:21:04,106 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:21:04,106 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:04,107 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:21:04,108 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:04,109 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:21:04,109 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:21:04,237 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:04,238 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:04,238 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:04,238 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:04,240 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:04,240 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:04,242 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:04,242 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:04,255 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:04,256 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:04,256 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:04,257 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:04,258 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:21:04,258 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:04,260 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:21:04,260 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:21:04,321 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-16 01:21:04,321 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:21:04,893 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2020-10-16 01:21:05,161 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2020-10-16 01:21:05,274 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-16 01:21:05,462 INFO L132 LiptonReduction]: Checked pairs total: 5456 [2020-10-16 01:21:05,462 INFO L134 LiptonReduction]: Total number of compositions: 80 [2020-10-16 01:21:05,465 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4220 [2020-10-16 01:21:05,471 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2020-10-16 01:21:05,471 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:21:05,471 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:21:05,472 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 01:21:05,473 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 01:21:05,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:21:05,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1051011, now seen corresponding path program 1 times [2020-10-16 01:21:05,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:21:05,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516108863] [2020-10-16 01:21:05,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:21:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:21:05,711 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 01:21:05,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516108863] [2020-10-16 01:21:05,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:21:05,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 01:21:05,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365222592] [2020-10-16 01:21:05,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 01:21:05,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:21:05,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 01:21:05,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 01:21:05,749 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 175 [2020-10-16 01:21:05,751 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 25 transitions, 59 flow. Second operand 3 states. [2020-10-16 01:21:05,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:21:05,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 175 [2020-10-16 01:21:05,753 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:21:05,853 INFO L129 PetriNetUnfolder]: 49/136 cut-off events. [2020-10-16 01:21:05,853 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:21:05,854 INFO L80 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 136 events. 49/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 596 event pairs, 38 based on Foata normal form. 17/140 useless extension candidates. Maximal degree in co-relation 222. Up to 65 conditions per place. [2020-10-16 01:21:05,857 INFO L132 encePairwiseOnDemand]: 171/175 looper letters, 9 selfloop transitions, 2 changer transitions 0/27 dead transitions. [2020-10-16 01:21:05,857 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 27 transitions, 85 flow [2020-10-16 01:21:05,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 01:21:05,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 01:21:05,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 452 transitions. [2020-10-16 01:21:05,876 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8609523809523809 [2020-10-16 01:21:05,877 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 452 transitions. [2020-10-16 01:21:05,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 452 transitions. [2020-10-16 01:21:05,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:21:05,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 452 transitions. [2020-10-16 01:21:05,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 01:21:05,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 01:21:05,897 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 01:21:05,899 INFO L185 Difference]: Start difference. First operand has 34 places, 25 transitions, 59 flow. Second operand 3 states and 452 transitions. [2020-10-16 01:21:05,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 27 transitions, 85 flow [2020-10-16 01:21:05,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 27 transitions, 82 flow, removed 0 selfloop flow, removed 3 redundant places. [2020-10-16 01:21:05,906 INFO L241 Difference]: Finished difference. Result has 32 places, 23 transitions, 56 flow [2020-10-16 01:21:05,909 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=56, PETRI_PLACES=32, PETRI_TRANSITIONS=23} [2020-10-16 01:21:05,910 INFO L342 CegarLoopForPetriNet]: 34 programPoint places, -2 predicate places. [2020-10-16 01:21:05,911 INFO L481 AbstractCegarLoop]: Abstraction has has 32 places, 23 transitions, 56 flow [2020-10-16 01:21:05,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 01:21:05,911 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:21:05,911 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:21:05,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 01:21:05,912 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 01:21:05,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:21:05,912 INFO L82 PathProgramCache]: Analyzing trace with hash 51299796, now seen corresponding path program 1 times [2020-10-16 01:21:05,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:21:05,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873588545] [2020-10-16 01:21:05,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:21:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:21:05,986 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 01:21:05,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873588545] [2020-10-16 01:21:05,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:21:05,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 01:21:05,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210166573] [2020-10-16 01:21:05,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 01:21:05,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:21:05,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 01:21:05,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 01:21:05,990 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 175 [2020-10-16 01:21:05,991 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 23 transitions, 56 flow. Second operand 3 states. [2020-10-16 01:21:05,991 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:21:05,991 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 175 [2020-10-16 01:21:05,991 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:21:06,022 INFO L129 PetriNetUnfolder]: 14/65 cut-off events. [2020-10-16 01:21:06,022 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:21:06,023 INFO L80 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 65 events. 14/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 219 event pairs, 3 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 98. Up to 30 conditions per place. [2020-10-16 01:21:06,023 INFO L132 encePairwiseOnDemand]: 171/175 looper letters, 4 selfloop transitions, 3 changer transitions 2/26 dead transitions. [2020-10-16 01:21:06,023 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 26 transitions, 80 flow [2020-10-16 01:21:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 01:21:06,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 01:21:06,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 457 transitions. [2020-10-16 01:21:06,027 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8704761904761905 [2020-10-16 01:21:06,027 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 457 transitions. [2020-10-16 01:21:06,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 457 transitions. [2020-10-16 01:21:06,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:21:06,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 457 transitions. [2020-10-16 01:21:06,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 01:21:06,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 01:21:06,031 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 01:21:06,031 INFO L185 Difference]: Start difference. First operand has 32 places, 23 transitions, 56 flow. Second operand 3 states and 457 transitions. [2020-10-16 01:21:06,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 26 transitions, 80 flow [2020-10-16 01:21:06,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 26 transitions, 76 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 01:21:06,033 INFO L241 Difference]: Finished difference. Result has 33 places, 24 transitions, 69 flow [2020-10-16 01:21:06,033 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=69, PETRI_PLACES=33, PETRI_TRANSITIONS=24} [2020-10-16 01:21:06,034 INFO L342 CegarLoopForPetriNet]: 34 programPoint places, -1 predicate places. [2020-10-16 01:21:06,034 INFO L481 AbstractCegarLoop]: Abstraction has has 33 places, 24 transitions, 69 flow [2020-10-16 01:21:06,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 01:21:06,034 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:21:06,034 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:21:06,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 01:21:06,035 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 01:21:06,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:21:06,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1590293793, now seen corresponding path program 1 times [2020-10-16 01:21:06,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:21:06,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270028878] [2020-10-16 01:21:06,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:21:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:21:06,124 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 01:21:06,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270028878] [2020-10-16 01:21:06,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:21:06,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 01:21:06,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114494256] [2020-10-16 01:21:06,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 01:21:06,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:21:06,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 01:21:06,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 01:21:06,128 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 175 [2020-10-16 01:21:06,130 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 69 flow. Second operand 3 states. [2020-10-16 01:21:06,130 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:21:06,130 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 175 [2020-10-16 01:21:06,130 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:21:06,143 INFO L129 PetriNetUnfolder]: 2/30 cut-off events. [2020-10-16 01:21:06,143 INFO L130 PetriNetUnfolder]: For 5/6 co-relation queries the response was YES. [2020-10-16 01:21:06,144 INFO L80 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 30 events. 2/30 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 59 event pairs, 0 based on Foata normal form. 2/32 useless extension candidates. Maximal degree in co-relation 45. Up to 8 conditions per place. [2020-10-16 01:21:06,144 INFO L132 encePairwiseOnDemand]: 172/175 looper letters, 1 selfloop transitions, 2 changer transitions 0/24 dead transitions. [2020-10-16 01:21:06,145 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 24 transitions, 75 flow [2020-10-16 01:21:06,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 01:21:06,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 01:21:06,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 469 transitions. [2020-10-16 01:21:06,147 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8933333333333333 [2020-10-16 01:21:06,147 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 469 transitions. [2020-10-16 01:21:06,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 469 transitions. [2020-10-16 01:21:06,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:21:06,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 469 transitions. [2020-10-16 01:21:06,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 01:21:06,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 01:21:06,152 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 01:21:06,152 INFO L185 Difference]: Start difference. First operand has 33 places, 24 transitions, 69 flow. Second operand 3 states and 469 transitions. [2020-10-16 01:21:06,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 24 transitions, 75 flow [2020-10-16 01:21:06,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 24 transitions, 72 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 01:21:06,153 INFO L241 Difference]: Finished difference. Result has 34 places, 24 transitions, 74 flow [2020-10-16 01:21:06,154 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=66, 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=74, PETRI_PLACES=34, PETRI_TRANSITIONS=24} [2020-10-16 01:21:06,154 INFO L342 CegarLoopForPetriNet]: 34 programPoint places, 0 predicate places. [2020-10-16 01:21:06,154 INFO L481 AbstractCegarLoop]: Abstraction has has 34 places, 24 transitions, 74 flow [2020-10-16 01:21:06,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 01:21:06,154 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:21:06,154 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:21:06,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 01:21:06,155 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 01:21:06,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:21:06,155 INFO L82 PathProgramCache]: Analyzing trace with hash 2022950178, now seen corresponding path program 1 times [2020-10-16 01:21:06,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:21:06,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332741666] [2020-10-16 01:21:06,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:21:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:21:06,289 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 01:21:06,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332741666] [2020-10-16 01:21:06,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:21:06,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 01:21:06,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229562120] [2020-10-16 01:21:06,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 01:21:06,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:21:06,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 01:21:06,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 01:21:06,292 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 175 [2020-10-16 01:21:06,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 24 transitions, 74 flow. Second operand 4 states. [2020-10-16 01:21:06,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:21:06,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 175 [2020-10-16 01:21:06,293 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:21:06,349 INFO L129 PetriNetUnfolder]: 38/105 cut-off events. [2020-10-16 01:21:06,350 INFO L130 PetriNetUnfolder]: For 10/16 co-relation queries the response was YES. [2020-10-16 01:21:06,351 INFO L80 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 105 events. 38/105 cut-off events. For 10/16 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 432 event pairs, 14 based on Foata normal form. 10/108 useless extension candidates. Maximal degree in co-relation 209. Up to 56 conditions per place. [2020-10-16 01:21:06,351 INFO L132 encePairwiseOnDemand]: 169/175 looper letters, 7 selfloop transitions, 7 changer transitions 2/34 dead transitions. [2020-10-16 01:21:06,352 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 34 transitions, 126 flow [2020-10-16 01:21:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 01:21:06,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 01:21:06,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 713 transitions. [2020-10-16 01:21:06,355 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8148571428571428 [2020-10-16 01:21:06,355 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 713 transitions. [2020-10-16 01:21:06,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 713 transitions. [2020-10-16 01:21:06,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:21:06,356 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 713 transitions. [2020-10-16 01:21:06,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 01:21:06,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 01:21:06,359 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 01:21:06,359 INFO L185 Difference]: Start difference. First operand has 34 places, 24 transitions, 74 flow. Second operand 5 states and 713 transitions. [2020-10-16 01:21:06,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 34 transitions, 126 flow [2020-10-16 01:21:06,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 34 transitions, 122 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 01:21:06,361 INFO L241 Difference]: Finished difference. Result has 39 places, 30 transitions, 124 flow [2020-10-16 01:21:06,361 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=124, PETRI_PLACES=39, PETRI_TRANSITIONS=30} [2020-10-16 01:21:06,361 INFO L342 CegarLoopForPetriNet]: 34 programPoint places, 5 predicate places. [2020-10-16 01:21:06,361 INFO L481 AbstractCegarLoop]: Abstraction has has 39 places, 30 transitions, 124 flow [2020-10-16 01:21:06,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 01:21:06,362 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:21:06,362 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:21:06,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 01:21:06,362 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 01:21:06,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:21:06,362 INFO L82 PathProgramCache]: Analyzing trace with hash 758892534, now seen corresponding path program 1 times [2020-10-16 01:21:06,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:21:06,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387201234] [2020-10-16 01:21:06,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:21:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:21:06,544 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 01:21:06,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387201234] [2020-10-16 01:21:06,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:21:06,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 01:21:06,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699756526] [2020-10-16 01:21:06,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 01:21:06,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:21:06,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 01:21:06,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 01:21:06,547 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 175 [2020-10-16 01:21:06,548 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 30 transitions, 124 flow. Second operand 5 states. [2020-10-16 01:21:06,548 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:21:06,548 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 175 [2020-10-16 01:21:06,548 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:21:06,625 INFO L129 PetriNetUnfolder]: 24/86 cut-off events. [2020-10-16 01:21:06,625 INFO L130 PetriNetUnfolder]: For 81/168 co-relation queries the response was YES. [2020-10-16 01:21:06,626 INFO L80 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 86 events. 24/86 cut-off events. For 81/168 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 321 event pairs, 2 based on Foata normal form. 29/112 useless extension candidates. Maximal degree in co-relation 273. Up to 52 conditions per place. [2020-10-16 01:21:06,626 INFO L132 encePairwiseOnDemand]: 169/175 looper letters, 5 selfloop transitions, 13 changer transitions 4/40 dead transitions. [2020-10-16 01:21:06,627 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 40 transitions, 226 flow [2020-10-16 01:21:06,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 01:21:06,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 01:21:06,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 997 transitions. [2020-10-16 01:21:06,630 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8138775510204082 [2020-10-16 01:21:06,630 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 997 transitions. [2020-10-16 01:21:06,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 997 transitions. [2020-10-16 01:21:06,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:21:06,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 997 transitions. [2020-10-16 01:21:06,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 01:21:06,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 01:21:06,635 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 01:21:06,635 INFO L185 Difference]: Start difference. First operand has 39 places, 30 transitions, 124 flow. Second operand 7 states and 997 transitions. [2020-10-16 01:21:06,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 40 transitions, 226 flow [2020-10-16 01:21:06,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 40 transitions, 222 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 01:21:06,638 INFO L241 Difference]: Finished difference. Result has 47 places, 36 transitions, 208 flow [2020-10-16 01:21:06,639 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=208, PETRI_PLACES=47, PETRI_TRANSITIONS=36} [2020-10-16 01:21:06,639 INFO L342 CegarLoopForPetriNet]: 34 programPoint places, 13 predicate places. [2020-10-16 01:21:06,639 INFO L481 AbstractCegarLoop]: Abstraction has has 47 places, 36 transitions, 208 flow [2020-10-16 01:21:06,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 01:21:06,639 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:21:06,640 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:21:06,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 01:21:06,640 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 01:21:06,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:21:06,640 INFO L82 PathProgramCache]: Analyzing trace with hash -895265655, now seen corresponding path program 1 times [2020-10-16 01:21:06,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:21:06,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791490467] [2020-10-16 01:21:06,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:21:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:21:06,791 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 01:21:06,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791490467] [2020-10-16 01:21:06,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:21:06,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 01:21:06,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698690867] [2020-10-16 01:21:06,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 01:21:06,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:21:06,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 01:21:06,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 01:21:06,795 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 175 [2020-10-16 01:21:06,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 36 transitions, 208 flow. Second operand 6 states. [2020-10-16 01:21:06,796 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:21:06,796 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 175 [2020-10-16 01:21:06,796 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:21:06,897 INFO L129 PetriNetUnfolder]: 13/66 cut-off events. [2020-10-16 01:21:06,897 INFO L130 PetriNetUnfolder]: For 239/470 co-relation queries the response was YES. [2020-10-16 01:21:06,898 INFO L80 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 66 events. 13/66 cut-off events. For 239/470 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 218 event pairs, 0 based on Foata normal form. 38/101 useless extension candidates. Maximal degree in co-relation 266. Up to 41 conditions per place. [2020-10-16 01:21:06,898 INFO L132 encePairwiseOnDemand]: 169/175 looper letters, 2 selfloop transitions, 17 changer transitions 3/40 dead transitions. [2020-10-16 01:21:06,899 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 40 transitions, 284 flow [2020-10-16 01:21:06,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 01:21:06,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-16 01:21:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1275 transitions. [2020-10-16 01:21:06,904 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8095238095238095 [2020-10-16 01:21:06,904 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1275 transitions. [2020-10-16 01:21:06,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1275 transitions. [2020-10-16 01:21:06,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:21:06,905 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1275 transitions. [2020-10-16 01:21:06,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-16 01:21:06,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-16 01:21:06,911 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-16 01:21:06,911 INFO L185 Difference]: Start difference. First operand has 47 places, 36 transitions, 208 flow. Second operand 9 states and 1275 transitions. [2020-10-16 01:21:06,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 40 transitions, 284 flow [2020-10-16 01:21:06,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 40 transitions, 248 flow, removed 13 selfloop flow, removed 3 redundant places. [2020-10-16 01:21:06,916 INFO L241 Difference]: Finished difference. Result has 55 places, 37 transitions, 228 flow [2020-10-16 01:21:06,916 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=228, PETRI_PLACES=55, PETRI_TRANSITIONS=37} [2020-10-16 01:21:06,917 INFO L342 CegarLoopForPetriNet]: 34 programPoint places, 21 predicate places. [2020-10-16 01:21:06,917 INFO L481 AbstractCegarLoop]: Abstraction has has 55 places, 37 transitions, 228 flow [2020-10-16 01:21:06,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 01:21:06,917 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:21:06,917 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] [2020-10-16 01:21:06,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 01:21:06,918 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 01:21:06,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:21:06,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1679934513, now seen corresponding path program 1 times [2020-10-16 01:21:06,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:21:06,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059276670] [2020-10-16 01:21:06,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:21:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:21:07,037 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 01:21:07,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059276670] [2020-10-16 01:21:07,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:21:07,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 01:21:07,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369075125] [2020-10-16 01:21:07,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 01:21:07,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:21:07,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 01:21:07,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 01:21:07,040 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 175 [2020-10-16 01:21:07,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 37 transitions, 228 flow. Second operand 4 states. [2020-10-16 01:21:07,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:21:07,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 175 [2020-10-16 01:21:07,041 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:21:07,072 INFO L129 PetriNetUnfolder]: 22/106 cut-off events. [2020-10-16 01:21:07,072 INFO L130 PetriNetUnfolder]: For 276/306 co-relation queries the response was YES. [2020-10-16 01:21:07,073 INFO L80 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 106 events. 22/106 cut-off events. For 276/306 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 502 event pairs, 0 based on Foata normal form. 1/96 useless extension candidates. Maximal degree in co-relation 375. Up to 36 conditions per place. [2020-10-16 01:21:07,073 INFO L132 encePairwiseOnDemand]: 172/175 looper letters, 3 selfloop transitions, 1 changer transitions 1/38 dead transitions. [2020-10-16 01:21:07,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 38 transitions, 240 flow [2020-10-16 01:21:07,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 01:21:07,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-16 01:21:07,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 586 transitions. [2020-10-16 01:21:07,076 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8371428571428572 [2020-10-16 01:21:07,076 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 586 transitions. [2020-10-16 01:21:07,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 586 transitions. [2020-10-16 01:21:07,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:21:07,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 586 transitions. [2020-10-16 01:21:07,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-16 01:21:07,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-16 01:21:07,079 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-16 01:21:07,080 INFO L185 Difference]: Start difference. First operand has 55 places, 37 transitions, 228 flow. Second operand 4 states and 586 transitions. [2020-10-16 01:21:07,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 38 transitions, 240 flow [2020-10-16 01:21:07,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 38 transitions, 182 flow, removed 14 selfloop flow, removed 8 redundant places. [2020-10-16 01:21:07,085 INFO L241 Difference]: Finished difference. Result has 51 places, 37 transitions, 177 flow [2020-10-16 01:21:07,085 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=177, PETRI_PLACES=51, PETRI_TRANSITIONS=37} [2020-10-16 01:21:07,085 INFO L342 CegarLoopForPetriNet]: 34 programPoint places, 17 predicate places. [2020-10-16 01:21:07,085 INFO L481 AbstractCegarLoop]: Abstraction has has 51 places, 37 transitions, 177 flow [2020-10-16 01:21:07,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 01:21:07,085 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:21:07,086 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] [2020-10-16 01:21:07,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 01:21:07,086 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 01:21:07,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:21:07,086 INFO L82 PathProgramCache]: Analyzing trace with hash 815553337, now seen corresponding path program 2 times [2020-10-16 01:21:07,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:21:07,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263710201] [2020-10-16 01:21:07,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:21:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:21:07,460 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 01:21:07,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263710201] [2020-10-16 01:21:07,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:21:07,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 01:21:07,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739693845] [2020-10-16 01:21:07,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 01:21:07,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:21:07,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 01:21:07,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-16 01:21:07,463 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 175 [2020-10-16 01:21:07,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 37 transitions, 177 flow. Second operand 7 states. [2020-10-16 01:21:07,464 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:21:07,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 175 [2020-10-16 01:21:07,464 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:21:07,702 INFO L129 PetriNetUnfolder]: 64/275 cut-off events. [2020-10-16 01:21:07,702 INFO L130 PetriNetUnfolder]: For 464/534 co-relation queries the response was YES. [2020-10-16 01:21:07,704 INFO L80 FinitePrefix]: Finished finitePrefix Result has 816 conditions, 275 events. 64/275 cut-off events. For 464/534 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 1859 event pairs, 2 based on Foata normal form. 40/301 useless extension candidates. Maximal degree in co-relation 800. Up to 70 conditions per place. [2020-10-16 01:21:07,705 INFO L132 encePairwiseOnDemand]: 167/175 looper letters, 11 selfloop transitions, 8 changer transitions 4/52 dead transitions. [2020-10-16 01:21:07,705 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 52 transitions, 269 flow [2020-10-16 01:21:07,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 01:21:07,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 01:21:07,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 864 transitions. [2020-10-16 01:21:07,712 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7053061224489796 [2020-10-16 01:21:07,712 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 864 transitions. [2020-10-16 01:21:07,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 864 transitions. [2020-10-16 01:21:07,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:21:07,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 864 transitions. [2020-10-16 01:21:07,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 01:21:07,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 01:21:07,717 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 01:21:07,717 INFO L185 Difference]: Start difference. First operand has 51 places, 37 transitions, 177 flow. Second operand 7 states and 864 transitions. [2020-10-16 01:21:07,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 52 transitions, 269 flow [2020-10-16 01:21:07,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 52 transitions, 266 flow, removed 1 selfloop flow, removed 2 redundant places. [2020-10-16 01:21:07,724 INFO L241 Difference]: Finished difference. Result has 58 places, 43 transitions, 234 flow [2020-10-16 01:21:07,725 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=234, PETRI_PLACES=58, PETRI_TRANSITIONS=43} [2020-10-16 01:21:07,725 INFO L342 CegarLoopForPetriNet]: 34 programPoint places, 24 predicate places. [2020-10-16 01:21:07,725 INFO L481 AbstractCegarLoop]: Abstraction has has 58 places, 43 transitions, 234 flow [2020-10-16 01:21:07,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 01:21:07,725 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:21:07,726 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] [2020-10-16 01:21:07,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 01:21:07,726 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:21:07,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:21:07,726 INFO L82 PathProgramCache]: Analyzing trace with hash 673876465, now seen corresponding path program 3 times [2020-10-16 01:21:07,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:21:07,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878687554] [2020-10-16 01:21:07,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:21:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 01:21:07,815 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 01:21:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 01:21:07,898 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 01:21:07,961 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 01:21:07,962 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 01:21:07,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 01:21:07,963 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 01:21:07,984 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1008] [1008] L3-->L843: Formula: (let ((.cse6 (= (mod ~z$w_buff0_used~0_In-228982167 256) 0)) (.cse7 (= (mod ~z$r_buff0_thd0~0_In-228982167 256) 0)) (.cse8 (= (mod ~z$w_buff1_used~0_In-228982167 256) 0)) (.cse9 (= (mod ~z$r_buff1_thd0~0_In-228982167 256) 0))) (let ((.cse1 (not .cse9)) (.cse2 (not .cse8)) (.cse0 (or .cse8 .cse9)) (.cse3 (or .cse6 .cse7)) (.cse4 (not .cse7)) (.cse5 (not .cse6))) (and (= ~z$r_buff1_thd0~0_In-228982167 ~z$r_buff1_thd0~0_Out-228982167) (or (and (or (and .cse0 (= ~z~0_In-228982167 ~z~0_Out-228982167)) (and .cse1 .cse2 (= ~z$w_buff1~0_In-228982167 ~z~0_Out-228982167))) .cse3) (and .cse4 (= ~z~0_Out-228982167 ~z$w_buff0~0_In-228982167) .cse5)) (= ~z$r_buff0_thd0~0_In-228982167 ~z$r_buff0_thd0~0_Out-228982167) (not (= ULTIMATE.start_assume_abort_if_not_~cond_In-228982167 0)) (or (and .cse1 .cse2 (= ~z$w_buff1_used~0_Out-228982167 0)) (and (= ~z$w_buff1_used~0_Out-228982167 ~z$w_buff1_used~0_In-228982167) .cse0)) (or (and (= ~z$w_buff0_used~0_In-228982167 ~z$w_buff0_used~0_Out-228982167) .cse3) (and .cse4 .cse5 (= ~z$w_buff0_used~0_Out-228982167 0)))))) InVars {~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-228982167, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In-228982167, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-228982167, ~z$w_buff0~0=~z$w_buff0~0_In-228982167, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In-228982167, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-228982167, ~z$w_buff1~0=~z$w_buff1~0_In-228982167, ~z~0=~z~0_In-228982167} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_Out-228982167, ~z$w_buff0~0=~z$w_buff0~0_In-228982167, ~z$w_buff1_used~0=~z$w_buff1_used~0_Out-228982167, ULTIMATE.start_main_#t~ite47=|ULTIMATE.start_main_#t~ite47_Out-228982167|, ULTIMATE.start_main_#t~ite46=|ULTIMATE.start_main_#t~ite46_Out-228982167|, ~z$w_buff1~0=~z$w_buff1~0_In-228982167, ULTIMATE.start_main_#t~ite49=|ULTIMATE.start_main_#t~ite49_Out-228982167|, ULTIMATE.start_main_#t~ite48=|ULTIMATE.start_main_#t~ite48_Out-228982167|, ULTIMATE.start_main_#t~ite50=|ULTIMATE.start_main_#t~ite50_Out-228982167|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_Out-228982167, ULTIMATE.start_main_#t~ite51=|ULTIMATE.start_main_#t~ite51_Out-228982167|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In-228982167, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_Out-228982167, ~z~0=~z~0_Out-228982167} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite50, ~z$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite51, ~z$w_buff0_used~0, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ULTIMATE.start_main_#t~ite47, ULTIMATE.start_main_#t~ite46, ULTIMATE.start_main_#t~ite49, ULTIMATE.start_main_#t~ite48, ~z~0] because there is no mapped edge [2020-10-16 01:21:07,994 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 01:21:07,994 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,001 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 01:21:08,001 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,001 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 01:21:08,002 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,002 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 01:21:08,003 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,003 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 01:21:08,003 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,003 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 01:21:08,004 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,004 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 01:21:08,004 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,004 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 01:21:08,004 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,005 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 01:21:08,005 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,005 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 01:21:08,006 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,006 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 01:21:08,006 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,007 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 01:21:08,007 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,007 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 01:21:08,007 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,007 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 01:21:08,008 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,008 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 01:21:08,008 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,008 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 01:21:08,008 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,008 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 01:21:08,009 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,013 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 01:21:08,014 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,014 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 01:21:08,014 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,014 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 01:21:08,014 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,014 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 01:21:08,015 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,015 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 01:21:08,015 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,015 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 01:21:08,015 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,015 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 01:21:08,015 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,016 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 01:21:08,016 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,016 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 01:21:08,016 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,016 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 01:21:08,016 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,016 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 01:21:08,017 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:21:08,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:21:08 BasicIcfg [2020-10-16 01:21:08,117 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 01:21:08,118 INFO L168 Benchmark]: Toolchain (without parser) took 10120.52 ms. Allocated memory was 253.8 MB in the beginning and 504.9 MB in the end (delta: 251.1 MB). Free memory was 208.9 MB in the beginning and 298.0 MB in the end (delta: -89.1 MB). Peak memory consumption was 162.0 MB. Max. memory is 14.2 GB. [2020-10-16 01:21:08,119 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 253.8 MB. Free memory is still 230.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 01:21:08,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.27 ms. Allocated memory was 253.8 MB in the beginning and 319.8 MB in the end (delta: 66.1 MB). Free memory was 208.9 MB in the beginning and 268.0 MB in the end (delta: -59.1 MB). Peak memory consumption was 32.2 MB. Max. memory is 14.2 GB. [2020-10-16 01:21:08,121 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.76 ms. Allocated memory is still 319.8 MB. Free memory was 268.0 MB in the beginning and 262.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.2 GB. [2020-10-16 01:21:08,121 INFO L168 Benchmark]: Boogie Preprocessor took 42.70 ms. Allocated memory is still 319.8 MB. Free memory is still 262.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 01:21:08,122 INFO L168 Benchmark]: RCFGBuilder took 2171.94 ms. Allocated memory was 319.8 MB in the beginning and 361.2 MB in the end (delta: 41.4 MB). Free memory was 260.4 MB in the beginning and 189.1 MB in the end (delta: 71.3 MB). Peak memory consumption was 112.7 MB. Max. memory is 14.2 GB. [2020-10-16 01:21:08,123 INFO L168 Benchmark]: TraceAbstraction took 7101.20 ms. Allocated memory was 361.2 MB in the beginning and 504.9 MB in the end (delta: 143.7 MB). Free memory was 189.1 MB in the beginning and 298.0 MB in the end (delta: -108.9 MB). Peak memory consumption was 34.8 MB. Max. memory is 14.2 GB. [2020-10-16 01:21:08,126 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 253.8 MB. Free memory is still 230.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 738.27 ms. Allocated memory was 253.8 MB in the beginning and 319.8 MB in the end (delta: 66.1 MB). Free memory was 208.9 MB in the beginning and 268.0 MB in the end (delta: -59.1 MB). Peak memory consumption was 32.2 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 60.76 ms. Allocated memory is still 319.8 MB. Free memory was 268.0 MB in the beginning and 262.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 42.70 ms. Allocated memory is still 319.8 MB. Free memory is still 262.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 2171.94 ms. Allocated memory was 319.8 MB in the beginning and 361.2 MB in the end (delta: 41.4 MB). Free memory was 260.4 MB in the beginning and 189.1 MB in the end (delta: 71.3 MB). Peak memory consumption was 112.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 7101.20 ms. Allocated memory was 361.2 MB in the beginning and 504.9 MB in the end (delta: 143.7 MB). Free memory was 189.1 MB in the beginning and 298.0 MB in the end (delta: -108.9 MB). Peak memory consumption was 34.8 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1116 VarBasedMoverChecksPositive, 98 VarBasedMoverChecksNegative, 40 SemBasedMoverChecksPositive, 58 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.6s, 141 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.2s, 100 PlacesBefore, 34 PlacesAfterwards, 92 TransitionsBefore, 25 TransitionsAfterwards, 1732 CoEnabledTransitionPairs, 7 FixpointIterations, 33 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 80 TotalNumberOfCompositions, 5456 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_p2_EAX = 0; [L704] 0 int __unbuffered_p2_EBX = 0; [L705] 0 _Bool main$tmp_guard0; [L706] 0 _Bool main$tmp_guard1; [L708] 0 int x = 0; [L710] 0 int y = 0; [L712] 0 int z = 0; [L713] 0 _Bool z$flush_delayed; [L714] 0 int z$mem_tmp; [L715] 0 _Bool z$r_buff0_thd0; [L716] 0 _Bool z$r_buff0_thd1; [L717] 0 _Bool z$r_buff0_thd2; [L718] 0 _Bool z$r_buff0_thd3; [L719] 0 _Bool z$r_buff1_thd0; [L720] 0 _Bool z$r_buff1_thd1; [L721] 0 _Bool z$r_buff1_thd2; [L722] 0 _Bool z$r_buff1_thd3; [L723] 0 _Bool z$read_delayed; [L724] 0 int *z$read_delayed_var; [L725] 0 int z$w_buff0; [L726] 0 _Bool z$w_buff0_used; [L727] 0 int z$w_buff1; [L728] 0 _Bool z$w_buff1_used; [L729] 0 _Bool weak$$choice0; [L730] 0 _Bool weak$$choice2; [L827] 0 pthread_t t657; [L828] FCALL, FORK 0 pthread_create(&t657, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L829] 0 pthread_t t658; [L830] FCALL, FORK 0 pthread_create(&t658, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L734] 1 z$w_buff1 = z$w_buff0 [L735] 1 z$w_buff0 = 1 [L736] 1 z$w_buff1_used = z$w_buff0_used [L737] 1 z$w_buff0_used = (_Bool)1 [L7] COND TRUE 1 !expression [L7] 1 __VERIFIER_error() [L739] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L740] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L741] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L742] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L743] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L746] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L763] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L766] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L831] 0 pthread_t t659; [L832] FCALL, FORK 0 pthread_create(&t659, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L783] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L786] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=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=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L789] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L790] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L791] 3 z$flush_delayed = weak$$choice2 [L792] 3 z$mem_tmp = z [L793] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L793] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L794] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L794] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L794] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0 [L794] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L794] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L794] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L795] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L795] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L796] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L796] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L797] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L797] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L798] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L798] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L799] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L799] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] 3 __unbuffered_p2_EBX = z [L801] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L801] 3 z = z$flush_delayed ? z$mem_tmp : z [L802] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=255, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L805] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L805] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L805] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L805] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L806] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L806] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L807] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L807] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L808] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L808] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L809] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L809] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L749] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L749] EXPR 1 z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z [L749] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L749] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L750] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L750] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L751] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L751] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L752] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L752] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L753] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L753] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L769] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L769] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L770] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L770] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L771] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L771] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L772] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L772] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L773] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L773] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L758] 1 return 0; [L776] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L778] 2 return 0; [L812] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L814] 3 return 0; [L834] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L845] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=255, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 94 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: 6.8s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.3s, HoareTripleCheckerStatistics: 28 SDtfs, 16 SDslu, 16 SDs, 0 SdLazy, 188 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=8, 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, 0.8s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 14045 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...