/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix024_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:00:24,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:00:24,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:00:24,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:00:24,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:00:24,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:00:24,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:00:24,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:00:24,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:00:24,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:00:24,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:00:24,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:00:24,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:00:24,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:00:24,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:00:24,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:00:24,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:00:24,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:00:24,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:00:24,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:00:24,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:00:24,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:00:24,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:00:24,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:00:24,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 12:00:24,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:00:24,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:00:24,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:00:24,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:00:24,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:00:24,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:00:24,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:00:24,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:00:24,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:00:24,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:00:24,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:00:24,747 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 12:00:24,769 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:00:24,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:00:24,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:00:24,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:00:24,771 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:00:24,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:00:24,772 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:00:24,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:00:24,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:00:24,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:00:24,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:00:24,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:00:24,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:00:24,773 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:00:24,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:00:24,774 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:00:24,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:00:24,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:00:24,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:00:24,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:00:24,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:00:24,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:00:24,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:00:24,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:00:24,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:00:24,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:00:24,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:00:24,776 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:00:24,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:00:25,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:00:25,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:00:25,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:00:25,075 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:00:25,075 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:00:25,076 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix024_tso.oepc.i [2020-10-16 12:00:25,155 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af8f570d8/4315f88618ba4e96aa9410c93d7addb5/FLAG8bd8ace7c [2020-10-16 12:00:25,755 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:00:25,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix024_tso.oepc.i [2020-10-16 12:00:25,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af8f570d8/4315f88618ba4e96aa9410c93d7addb5/FLAG8bd8ace7c [2020-10-16 12:00:26,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af8f570d8/4315f88618ba4e96aa9410c93d7addb5 [2020-10-16 12:00:26,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:00:26,024 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:00:26,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:00:26,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:00:26,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:00:26,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:00:26" (1/1) ... [2020-10-16 12:00:26,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7aa1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:26, skipping insertion in model container [2020-10-16 12:00:26,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:00:26" (1/1) ... [2020-10-16 12:00:26,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:00:26,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:00:26,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:00:26,690 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:00:26,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:00:26,890 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:00:26,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:26 WrapperNode [2020-10-16 12:00:26,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:00:26,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:00:26,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:00:26,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:00:26,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:26" (1/1) ... [2020-10-16 12:00:26,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:26" (1/1) ... [2020-10-16 12:00:26,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:00:26,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:00:26,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:00:26,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:00:26,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:26" (1/1) ... [2020-10-16 12:00:26,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:26" (1/1) ... [2020-10-16 12:00:26,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:26" (1/1) ... [2020-10-16 12:00:26,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:26" (1/1) ... [2020-10-16 12:00:26,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:26" (1/1) ... [2020-10-16 12:00:26,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:26" (1/1) ... [2020-10-16 12:00:26,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:26" (1/1) ... [2020-10-16 12:00:27,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:00:27,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:00:27,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:00:27,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:00:27,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:00:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:00:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:00:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:00:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:00:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:00:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:00:27,082 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:00:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:00:27,082 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:00:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:00:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:00:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:00:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:00:27,086 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 12:00:29,154 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:00:29,155 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:00:29,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:00:29 BoogieIcfgContainer [2020-10-16 12:00:29,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:00:29,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:00:29,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:00:29,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:00:29,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:00:26" (1/3) ... [2020-10-16 12:00:29,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3848c0e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:00:29, skipping insertion in model container [2020-10-16 12:00:29,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:26" (2/3) ... [2020-10-16 12:00:29,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3848c0e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:00:29, skipping insertion in model container [2020-10-16 12:00:29,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:00:29" (3/3) ... [2020-10-16 12:00:29,166 INFO L111 eAbstractionObserver]: Analyzing ICFG mix024_tso.oepc.i [2020-10-16 12:00:29,178 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:00:29,178 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:00:29,186 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:00:29,187 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:00:29,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,220 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,221 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,221 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,221 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,221 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,222 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,222 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,222 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,224 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,224 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,225 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,225 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,225 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,225 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,225 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,225 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,227 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,228 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,241 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,241 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,241 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,243 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,243 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,248 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,250 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,251 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,251 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,251 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,251 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,251 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,256 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,257 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,257 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:00:29,259 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:00:29,272 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 12:00:29,292 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:00:29,292 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:00:29,293 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:00:29,293 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:00:29,293 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:00:29,293 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:00:29,293 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:00:29,293 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:00:29,307 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:00:29,308 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 99 transitions, 213 flow [2020-10-16 12:00:29,311 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 99 transitions, 213 flow [2020-10-16 12:00:29,313 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2020-10-16 12:00:29,359 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2020-10-16 12:00:29,359 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:00:29,364 INFO L80 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2020-10-16 12:00:29,368 INFO L117 LiptonReduction]: Number of co-enabled transitions 1928 [2020-10-16 12:00:29,899 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 12:00:32,053 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-10-16 12:00:32,183 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-16 12:00:32,191 INFO L132 LiptonReduction]: Checked pairs total: 5403 [2020-10-16 12:00:32,191 INFO L134 LiptonReduction]: Total number of compositions: 83 [2020-10-16 12:00:32,199 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 29 transitions, 73 flow [2020-10-16 12:00:32,281 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1136 states. [2020-10-16 12:00:32,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states. [2020-10-16 12:00:32,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-16 12:00:32,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:32,294 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-16 12:00:32,295 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 12:00:32,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:32,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1064854, now seen corresponding path program 1 times [2020-10-16 12:00:32,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:32,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354232633] [2020-10-16 12:00:32,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:32,507 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 12:00:32,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354232633] [2020-10-16 12:00:32,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:32,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:00:32,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047014055] [2020-10-16 12:00:32,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:00:32,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:32,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:00:32,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:00:32,531 INFO L87 Difference]: Start difference. First operand 1136 states. Second operand 3 states. [2020-10-16 12:00:32,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:32,633 INFO L93 Difference]: Finished difference Result 974 states and 3122 transitions. [2020-10-16 12:00:32,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:00:32,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-16 12:00:32,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:32,682 INFO L225 Difference]: With dead ends: 974 [2020-10-16 12:00:32,682 INFO L226 Difference]: Without dead ends: 794 [2020-10-16 12:00:32,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:00:32,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2020-10-16 12:00:32,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 794. [2020-10-16 12:00:32,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 794 states. [2020-10-16 12:00:32,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 2498 transitions. [2020-10-16 12:00:32,831 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 2498 transitions. Word has length 3 [2020-10-16 12:00:32,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:32,831 INFO L481 AbstractCegarLoop]: Abstraction has 794 states and 2498 transitions. [2020-10-16 12:00:32,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:00:32,832 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 2498 transitions. [2020-10-16 12:00:32,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 12:00:32,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:32,834 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:32,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:00:32,834 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 12:00:32,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:32,835 INFO L82 PathProgramCache]: Analyzing trace with hash 2071177859, now seen corresponding path program 1 times [2020-10-16 12:00:32,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:32,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677148960] [2020-10-16 12:00:32,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:32,952 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 12:00:32,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677148960] [2020-10-16 12:00:32,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:32,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:00:32,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664388644] [2020-10-16 12:00:32,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:00:32,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:32,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:00:32,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:00:32,955 INFO L87 Difference]: Start difference. First operand 794 states and 2498 transitions. Second operand 3 states. [2020-10-16 12:00:32,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:32,967 INFO L93 Difference]: Finished difference Result 734 states and 2280 transitions. [2020-10-16 12:00:32,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:00:32,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 12:00:32,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:32,974 INFO L225 Difference]: With dead ends: 734 [2020-10-16 12:00:32,974 INFO L226 Difference]: Without dead ends: 734 [2020-10-16 12:00:32,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:00:32,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2020-10-16 12:00:32,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 734. [2020-10-16 12:00:32,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-10-16 12:00:33,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 2280 transitions. [2020-10-16 12:00:33,003 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 2280 transitions. Word has length 9 [2020-10-16 12:00:33,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:33,005 INFO L481 AbstractCegarLoop]: Abstraction has 734 states and 2280 transitions. [2020-10-16 12:00:33,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:00:33,005 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 2280 transitions. [2020-10-16 12:00:33,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:00:33,008 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:33,008 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:33,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:00:33,008 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 12:00:33,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:33,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1781673778, now seen corresponding path program 1 times [2020-10-16 12:00:33,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:33,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296448497] [2020-10-16 12:00:33,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:33,074 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 12:00:33,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296448497] [2020-10-16 12:00:33,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:33,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:00:33,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485291663] [2020-10-16 12:00:33,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:00:33,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:33,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:00:33,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:00:33,076 INFO L87 Difference]: Start difference. First operand 734 states and 2280 transitions. Second operand 3 states. [2020-10-16 12:00:33,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:33,097 INFO L93 Difference]: Finished difference Result 694 states and 2138 transitions. [2020-10-16 12:00:33,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:00:33,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-16 12:00:33,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:33,103 INFO L225 Difference]: With dead ends: 694 [2020-10-16 12:00:33,104 INFO L226 Difference]: Without dead ends: 694 [2020-10-16 12:00:33,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:00:33,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2020-10-16 12:00:33,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 694. [2020-10-16 12:00:33,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2020-10-16 12:00:33,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 2138 transitions. [2020-10-16 12:00:33,130 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 2138 transitions. Word has length 11 [2020-10-16 12:00:33,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:33,130 INFO L481 AbstractCegarLoop]: Abstraction has 694 states and 2138 transitions. [2020-10-16 12:00:33,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:00:33,130 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 2138 transitions. [2020-10-16 12:00:33,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:00:33,137 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:33,138 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:33,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:00:33,138 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 12:00:33,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:33,139 INFO L82 PathProgramCache]: Analyzing trace with hash 881233380, now seen corresponding path program 1 times [2020-10-16 12:00:33,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:33,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618683900] [2020-10-16 12:00:33,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:33,264 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 12:00:33,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618683900] [2020-10-16 12:00:33,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:33,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:00:33,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092427531] [2020-10-16 12:00:33,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:00:33,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:33,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:00:33,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:00:33,267 INFO L87 Difference]: Start difference. First operand 694 states and 2138 transitions. Second operand 4 states. [2020-10-16 12:00:33,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:33,343 INFO L93 Difference]: Finished difference Result 638 states and 1738 transitions. [2020-10-16 12:00:33,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:00:33,344 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-16 12:00:33,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:33,349 INFO L225 Difference]: With dead ends: 638 [2020-10-16 12:00:33,349 INFO L226 Difference]: Without dead ends: 458 [2020-10-16 12:00:33,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:00:33,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2020-10-16 12:00:33,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2020-10-16 12:00:33,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-16 12:00:33,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 1194 transitions. [2020-10-16 12:00:33,365 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 1194 transitions. Word has length 13 [2020-10-16 12:00:33,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:33,366 INFO L481 AbstractCegarLoop]: Abstraction has 458 states and 1194 transitions. [2020-10-16 12:00:33,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:00:33,366 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1194 transitions. [2020-10-16 12:00:33,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:00:33,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:33,367 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:33,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:00:33,367 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 12:00:33,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:33,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1127431548, now seen corresponding path program 1 times [2020-10-16 12:00:33,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:33,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044248141] [2020-10-16 12:00:33,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:33,528 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 12:00:33,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044248141] [2020-10-16 12:00:33,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:33,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:00:33,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483344439] [2020-10-16 12:00:33,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:00:33,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:33,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:00:33,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:00:33,530 INFO L87 Difference]: Start difference. First operand 458 states and 1194 transitions. Second operand 5 states. [2020-10-16 12:00:33,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:33,647 INFO L93 Difference]: Finished difference Result 375 states and 914 transitions. [2020-10-16 12:00:33,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:00:33,648 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-16 12:00:33,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:33,651 INFO L225 Difference]: With dead ends: 375 [2020-10-16 12:00:33,651 INFO L226 Difference]: Without dead ends: 295 [2020-10-16 12:00:33,652 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:00:33,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-10-16 12:00:33,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2020-10-16 12:00:33,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-10-16 12:00:33,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 705 transitions. [2020-10-16 12:00:33,666 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 705 transitions. Word has length 16 [2020-10-16 12:00:33,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:33,667 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 705 transitions. [2020-10-16 12:00:33,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:00:33,667 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 705 transitions. [2020-10-16 12:00:33,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 12:00:33,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:33,669 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:33,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:00:33,669 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 12:00:33,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:33,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1292002426, now seen corresponding path program 1 times [2020-10-16 12:00:33,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:33,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396873793] [2020-10-16 12:00:33,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:33,971 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 12:00:33,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396873793] [2020-10-16 12:00:33,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:33,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:00:33,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826863823] [2020-10-16 12:00:33,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:00:33,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:33,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:00:33,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:00:33,974 INFO L87 Difference]: Start difference. First operand 295 states and 705 transitions. Second operand 5 states. [2020-10-16 12:00:34,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:34,121 INFO L93 Difference]: Finished difference Result 494 states and 1142 transitions. [2020-10-16 12:00:34,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:00:34,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-10-16 12:00:34,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:34,124 INFO L225 Difference]: With dead ends: 494 [2020-10-16 12:00:34,125 INFO L226 Difference]: Without dead ends: 443 [2020-10-16 12:00:34,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:00:34,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2020-10-16 12:00:34,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 348. [2020-10-16 12:00:34,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2020-10-16 12:00:34,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 818 transitions. [2020-10-16 12:00:34,138 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 818 transitions. Word has length 19 [2020-10-16 12:00:34,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:34,138 INFO L481 AbstractCegarLoop]: Abstraction has 348 states and 818 transitions. [2020-10-16 12:00:34,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:00:34,138 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 818 transitions. [2020-10-16 12:00:34,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 12:00:34,139 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:34,140 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:34,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:00:34,140 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 12:00:34,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:34,140 INFO L82 PathProgramCache]: Analyzing trace with hash -690337944, now seen corresponding path program 2 times [2020-10-16 12:00:34,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:34,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683202479] [2020-10-16 12:00:34,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:34,266 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 12:00:34,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683202479] [2020-10-16 12:00:34,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:34,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:00:34,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940558031] [2020-10-16 12:00:34,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:00:34,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:34,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:00:34,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:00:34,269 INFO L87 Difference]: Start difference. First operand 348 states and 818 transitions. Second operand 6 states. [2020-10-16 12:00:34,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:34,325 INFO L93 Difference]: Finished difference Result 325 states and 767 transitions. [2020-10-16 12:00:34,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:00:34,326 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-16 12:00:34,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:34,328 INFO L225 Difference]: With dead ends: 325 [2020-10-16 12:00:34,328 INFO L226 Difference]: Without dead ends: 287 [2020-10-16 12:00:34,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:00:34,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-16 12:00:34,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2020-10-16 12:00:34,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-10-16 12:00:34,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 688 transitions. [2020-10-16 12:00:34,338 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 688 transitions. Word has length 19 [2020-10-16 12:00:34,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:34,338 INFO L481 AbstractCegarLoop]: Abstraction has 287 states and 688 transitions. [2020-10-16 12:00:34,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:00:34,338 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 688 transitions. [2020-10-16 12:00:34,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-16 12:00:34,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:34,340 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:34,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:00:34,340 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 12:00:34,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:34,341 INFO L82 PathProgramCache]: Analyzing trace with hash -204683042, now seen corresponding path program 1 times [2020-10-16 12:00:34,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:34,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880103466] [2020-10-16 12:00:34,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:34,396 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 12:00:34,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880103466] [2020-10-16 12:00:34,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:34,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:00:34,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195041751] [2020-10-16 12:00:34,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:00:34,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:34,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:00:34,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:00:34,399 INFO L87 Difference]: Start difference. First operand 287 states and 688 transitions. Second operand 3 states. [2020-10-16 12:00:34,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:34,410 INFO L93 Difference]: Finished difference Result 391 states and 921 transitions. [2020-10-16 12:00:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:00:34,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-10-16 12:00:34,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:34,413 INFO L225 Difference]: With dead ends: 391 [2020-10-16 12:00:34,413 INFO L226 Difference]: Without dead ends: 227 [2020-10-16 12:00:34,413 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:00:34,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-16 12:00:34,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2020-10-16 12:00:34,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-10-16 12:00:34,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 522 transitions. [2020-10-16 12:00:34,420 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 522 transitions. Word has length 23 [2020-10-16 12:00:34,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:34,420 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 522 transitions. [2020-10-16 12:00:34,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:00:34,421 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 522 transitions. [2020-10-16 12:00:34,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-16 12:00:34,422 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:34,422 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:34,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:00:34,422 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 12:00:34,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:34,422 INFO L82 PathProgramCache]: Analyzing trace with hash -697099428, now seen corresponding path program 2 times [2020-10-16 12:00:34,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:34,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723788390] [2020-10-16 12:00:34,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:00:34,616 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 12:00:34,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723788390] [2020-10-16 12:00:34,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:00:34,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:00:34,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952716314] [2020-10-16 12:00:34,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:00:34,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:00:34,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:00:34,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:00:34,619 INFO L87 Difference]: Start difference. First operand 227 states and 522 transitions. Second operand 7 states. [2020-10-16 12:00:34,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:00:34,798 INFO L93 Difference]: Finished difference Result 241 states and 544 transitions. [2020-10-16 12:00:34,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:00:34,799 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-10-16 12:00:34,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:00:34,800 INFO L225 Difference]: With dead ends: 241 [2020-10-16 12:00:34,800 INFO L226 Difference]: Without dead ends: 181 [2020-10-16 12:00:34,801 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:00:34,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-10-16 12:00:34,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 151. [2020-10-16 12:00:34,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-10-16 12:00:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 339 transitions. [2020-10-16 12:00:34,806 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 339 transitions. Word has length 23 [2020-10-16 12:00:34,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:00:34,807 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 339 transitions. [2020-10-16 12:00:34,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:00:34,807 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 339 transitions. [2020-10-16 12:00:34,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-16 12:00:34,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:00:34,808 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:00:34,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:00:34,808 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:00:34,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:00:34,809 INFO L82 PathProgramCache]: Analyzing trace with hash -91598530, now seen corresponding path program 3 times [2020-10-16 12:00:34,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:00:34,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227676314] [2020-10-16 12:00:34,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:00:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:00:34,860 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:00:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:00:34,924 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:00:34,983 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:00:34,983 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:00:34,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:00:34,985 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 12:00:35,013 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1031] [1031] L846-->L853: Formula: (let ((.cse6 (= (mod ~a$r_buff1_thd0~0_In1609030048 256) 0)) (.cse7 (= (mod ~a$w_buff1_used~0_In1609030048 256) 0)) (.cse9 (= (mod ~a$r_buff0_thd0~0_In1609030048 256) 0)) (.cse8 (= (mod ~a$w_buff0_used~0_In1609030048 256) 0))) (let ((.cse1 (not .cse8)) (.cse2 (not .cse9)) (.cse0 (or .cse8 .cse9)) (.cse4 (not .cse7)) (.cse5 (not .cse6)) (.cse3 (or .cse6 .cse7))) (and (= ~a$r_buff0_thd0~0_In1609030048 ~a$r_buff0_thd0~0_Out1609030048) (= ULTIMATE.start_assume_abort_if_not_~cond_Out1609030048 |ULTIMATE.start_assume_abort_if_not_#in~cond_In1609030048|) (or (and .cse0 (= ~a$w_buff0_used~0_In1609030048 ~a$w_buff0_used~0_Out1609030048)) (and .cse1 (= ~a$w_buff0_used~0_Out1609030048 0) .cse2)) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out1609030048 0)) (or (and .cse3 (= ~a$w_buff1_used~0_In1609030048 ~a$w_buff1_used~0_Out1609030048)) (and .cse4 .cse5 (= ~a$w_buff1_used~0_Out1609030048 0))) (= ~a$r_buff1_thd0~0_Out1609030048 ~a$r_buff1_thd0~0_In1609030048) (or (and .cse1 (= ~a~0_Out1609030048 ~a$w_buff0~0_In1609030048) .cse2) (and .cse0 (or (and .cse4 (= ~a~0_Out1609030048 ~a$w_buff1~0_In1609030048) .cse5) (and (= ~a~0_In1609030048 ~a~0_Out1609030048) .cse3))))))) InVars {~a~0=~a~0_In1609030048, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1609030048|, ~a$w_buff1~0=~a$w_buff1~0_In1609030048, ~a$w_buff0~0=~a$w_buff0~0_In1609030048, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_In1609030048, ~a$w_buff0_used~0=~a$w_buff0_used~0_In1609030048, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In1609030048, ~a$w_buff1_used~0=~a$w_buff1_used~0_In1609030048} OutVars{ULTIMATE.start_main_#t~ite47=|ULTIMATE.start_main_#t~ite47_Out1609030048|, ~a$w_buff0_used~0=~a$w_buff0_used~0_Out1609030048, ULTIMATE.start_main_#t~ite46=|ULTIMATE.start_main_#t~ite46_Out1609030048|, ULTIMATE.start_main_#t~ite49=|ULTIMATE.start_main_#t~ite49_Out1609030048|, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_Out1609030048, ULTIMATE.start_main_#t~ite48=|ULTIMATE.start_main_#t~ite48_Out1609030048|, ULTIMATE.start_main_#t~ite50=|ULTIMATE.start_main_#t~ite50_Out1609030048|, ~a~0=~a~0_Out1609030048, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1609030048|, ULTIMATE.start_main_#t~ite51=|ULTIMATE.start_main_#t~ite51_Out1609030048|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out1609030048, ~a$w_buff1~0=~a$w_buff1~0_In1609030048, ~a$w_buff0~0=~a$w_buff0~0_In1609030048, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_Out1609030048, ~a$w_buff1_used~0=~a$w_buff1_used~0_Out1609030048} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite50, ~a~0, ULTIMATE.start_main_#t~ite51, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~ite47, ~a$r_buff1_thd0~0, ~a$w_buff0_used~0, ULTIMATE.start_main_#t~ite46, ULTIMATE.start_main_#t~ite49, ~a$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite48, ~a$w_buff1_used~0] because there is no mapped edge [2020-10-16 12:00:35,023 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 12:00:35,024 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,030 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 12:00:35,030 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,030 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 12:00:35,030 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,031 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 12:00:35,032 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,032 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 12:00:35,032 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,032 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 12:00:35,032 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,033 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 12:00:35,033 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,033 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 12:00:35,033 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,034 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 12:00:35,034 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,035 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 12:00:35,035 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,035 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 12:00:35,035 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,035 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 12:00:35,036 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,036 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 12:00:35,036 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,036 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 12:00:35,036 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,036 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 12:00:35,037 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,037 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 12:00:35,037 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,037 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 12:00:35,037 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,037 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 12:00:35,038 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,038 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 12:00:35,038 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,042 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 12:00:35,043 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,043 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 12:00:35,043 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,043 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 12:00:35,044 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,044 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 12:00:35,044 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,044 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 12:00:35,044 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,044 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 12:00:35,045 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,045 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 12:00:35,045 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,045 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 12:00:35,046 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,046 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 12:00:35,046 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,046 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 12:00:35,046 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,046 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 12:00:35,047 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,047 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 12:00:35,047 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,047 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 12:00:35,047 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:00:35,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:00:35 BasicIcfg [2020-10-16 12:00:35,157 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:00:35,165 INFO L168 Benchmark]: Toolchain (without parser) took 9135.88 ms. Allocated memory was 146.8 MB in the beginning and 336.1 MB in the end (delta: 189.3 MB). Free memory was 101.7 MB in the beginning and 93.3 MB in the end (delta: 8.3 MB). Peak memory consumption was 197.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:00:35,166 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:00:35,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 862.50 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 101.4 MB in the beginning and 154.0 MB in the end (delta: -52.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:00:35,168 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.19 ms. Allocated memory is still 202.9 MB. Free memory was 154.0 MB in the beginning and 151.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:00:35,168 INFO L168 Benchmark]: Boogie Preprocessor took 45.03 ms. Allocated memory is still 202.9 MB. Free memory was 151.2 MB in the beginning and 149.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:00:35,171 INFO L168 Benchmark]: RCFGBuilder took 2154.36 ms. Allocated memory was 202.9 MB in the beginning and 248.0 MB in the end (delta: 45.1 MB). Free memory was 149.2 MB in the beginning and 166.3 MB in the end (delta: -17.1 MB). Peak memory consumption was 102.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:00:35,171 INFO L168 Benchmark]: TraceAbstraction took 5999.00 ms. Allocated memory was 248.0 MB in the beginning and 336.1 MB in the end (delta: 88.1 MB). Free memory was 164.5 MB in the beginning and 93.3 MB in the end (delta: 71.2 MB). Peak memory consumption was 159.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:00:35,179 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 862.50 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 101.4 MB in the beginning and 154.0 MB in the end (delta: -52.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 66.19 ms. Allocated memory is still 202.9 MB. Free memory was 154.0 MB in the beginning and 151.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.03 ms. Allocated memory is still 202.9 MB. Free memory was 151.2 MB in the beginning and 149.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2154.36 ms. Allocated memory was 202.9 MB in the beginning and 248.0 MB in the end (delta: 45.1 MB). Free memory was 149.2 MB in the beginning and 166.3 MB in the end (delta: -17.1 MB). Peak memory consumption was 102.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5999.00 ms. Allocated memory was 248.0 MB in the beginning and 336.1 MB in the end (delta: 88.1 MB). Free memory was 164.5 MB in the beginning and 93.3 MB in the end (delta: 71.2 MB). Peak memory consumption was 159.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1094 VarBasedMoverChecksPositive, 44 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 117 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.8s, 107 PlacesBefore, 38 PlacesAfterwards, 99 TransitionsBefore, 29 TransitionsAfterwards, 1928 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 83 TotalNumberOfCompositions, 5403 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_p0_EBX = 0; [L704] 0 int __unbuffered_p2_EAX = 0; [L706] 0 int __unbuffered_p2_EBX = 0; [L708] 0 int a = 0; [L709] 0 _Bool a$flush_delayed; [L710] 0 int a$mem_tmp; [L711] 0 _Bool a$r_buff0_thd0; [L712] 0 _Bool a$r_buff0_thd1; [L713] 0 _Bool a$r_buff0_thd2; [L714] 0 _Bool a$r_buff0_thd3; [L715] 0 _Bool a$r_buff1_thd0; [L716] 0 _Bool a$r_buff1_thd1; [L717] 0 _Bool a$r_buff1_thd2; [L718] 0 _Bool a$r_buff1_thd3; [L719] 0 _Bool a$read_delayed; [L720] 0 int *a$read_delayed_var; [L721] 0 int a$w_buff0; [L722] 0 _Bool a$w_buff0_used; [L723] 0 int a$w_buff1; [L724] 0 _Bool a$w_buff1_used; [L725] 0 _Bool main$tmp_guard0; [L726] 0 _Bool main$tmp_guard1; [L728] 0 int x = 0; [L730] 0 int y = 0; [L732] 0 int z = 0; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L837] 0 pthread_t t651; [L838] FCALL, FORK 0 pthread_create(&t651, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L839] 0 pthread_t t652; [L738] 1 a$w_buff1 = a$w_buff0 [L739] 1 a$w_buff0 = 1 [L740] 1 a$w_buff1_used = a$w_buff0_used [L741] 1 a$w_buff0_used = (_Bool)1 [L7] COND FALSE 1 !(!expression) [L743] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L744] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L745] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L746] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L747] 1 a$r_buff0_thd1 = (_Bool)1 [L750] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L753] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L756] 1 __unbuffered_p0_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L840] FCALL, FORK 0 pthread_create(&t652, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L841] 0 pthread_t t653; [L842] FCALL, FORK 0 pthread_create(&t653, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L773] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L776] 2 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L779] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L779] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L780] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L780] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L781] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L781] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L782] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L782] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L783] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L783] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L793] 3 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L796] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L799] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L800] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L801] 3 a$flush_delayed = weak$$choice2 [L802] 3 a$mem_tmp = a [L803] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L803] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1 [L803] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L803] 3 a = !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L804] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L804] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0) [L804] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L804] 3 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L805] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L805] 3 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L806] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L806] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used) [L806] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L806] 3 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L807] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L807] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L807] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L807] 3 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L808] 3 a$r_buff0_thd3 = weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L809] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L809] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0 [L809] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L809] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] 3 a$r_buff1_thd3 = weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] 3 __unbuffered_p2_EBX = a [L811] EXPR 3 a$flush_delayed ? a$mem_tmp : a [L811] 3 a = a$flush_delayed ? a$mem_tmp : a [L812] 3 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=0, x=1, y=1, z=2] [L786] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L788] 2 return 0; [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L815] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L815] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L816] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L816] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L817] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L817] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L818] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L818] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L819] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L819] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L759] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L759] EXPR 1 a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a [L759] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L759] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L760] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L760] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L761] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L761] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L762] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L762] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L763] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L763] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L766] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L768] 1 return 0; [L822] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L824] 3 return 0; [L844] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L855] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 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=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=0, x=1, y=1, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 98 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.6s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, HoareTripleCheckerStatistics: 284 SDtfs, 252 SDslu, 477 SDs, 0 SdLazy, 208 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1136occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 125 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 127 ConstructedInterpolants, 0 QuantifiedInterpolants, 11625 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...