/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix013_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 01:37:31,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 01:37:31,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 01:37:31,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 01:37:31,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 01:37:31,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 01:37:31,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 01:37:31,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 01:37:31,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 01:37:31,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 01:37:31,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 01:37:31,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 01:37:31,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 01:37:31,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 01:37:31,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 01:37:31,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 01:37:31,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 01:37:31,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 01:37:31,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 01:37:31,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 01:37:31,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 01:37:31,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 01:37:31,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 01:37:31,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 01:37:31,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-22 01:37:31,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 01:37:31,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 01:37:31,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 01:37:31,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 01:37:31,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 01:37:31,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 01:37:31,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 01:37:31,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 01:37:31,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 01:37:31,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 01:37:31,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 01:37:31,635 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 01:37:31,669 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 01:37:31,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 01:37:31,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 01:37:31,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 01:37:31,671 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 01:37:31,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 01:37:31,672 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 01:37:31,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 01:37:31,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 01:37:31,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 01:37:31,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 01:37:31,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 01:37:31,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 01:37:31,674 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 01:37:31,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 01:37:31,675 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 01:37:31,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 01:37:31,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 01:37:31,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 01:37:31,676 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 01:37:31,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 01:37:31,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:37:31,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 01:37:31,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 01:37:31,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 01:37:31,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 01:37:31,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 01:37:31,677 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 01:37:31,677 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 01:37:31,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 01:37:31,678 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 01:37:31,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 01:37:31,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 01:37:31,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 01:37:31,954 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 01:37:31,955 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 01:37:31,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix013_pso.opt.i [2020-10-22 01:37:32,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f92bd4e17/c31fef35a50140429b644d5d6035df1f/FLAGebea3b201 [2020-10-22 01:37:32,568 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 01:37:32,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix013_pso.opt.i [2020-10-22 01:37:32,595 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f92bd4e17/c31fef35a50140429b644d5d6035df1f/FLAGebea3b201 [2020-10-22 01:37:32,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f92bd4e17/c31fef35a50140429b644d5d6035df1f [2020-10-22 01:37:32,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 01:37:32,859 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 01:37:32,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 01:37:32,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 01:37:32,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 01:37:32,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:37:32" (1/1) ... [2020-10-22 01:37:32,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f7a4c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:37:32, skipping insertion in model container [2020-10-22 01:37:32,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:37:32" (1/1) ... [2020-10-22 01:37:32,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 01:37:32,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 01:37:33,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:37:33,432 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 01:37:33,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:37:33,649 INFO L208 MainTranslator]: Completed translation [2020-10-22 01:37:33,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:37:33 WrapperNode [2020-10-22 01:37:33,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 01:37:33,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 01:37:33,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 01:37:33,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 01:37:33,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:37:33" (1/1) ... [2020-10-22 01:37:33,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:37:33" (1/1) ... [2020-10-22 01:37:33,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 01:37:33,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 01:37:33,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 01:37:33,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 01:37:33,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:37:33" (1/1) ... [2020-10-22 01:37:33,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:37:33" (1/1) ... [2020-10-22 01:37:33,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:37:33" (1/1) ... [2020-10-22 01:37:33,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:37:33" (1/1) ... [2020-10-22 01:37:33,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:37:33" (1/1) ... [2020-10-22 01:37:33,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:37:33" (1/1) ... [2020-10-22 01:37:33,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:37:33" (1/1) ... [2020-10-22 01:37:33,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 01:37:33,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 01:37:33,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 01:37:33,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 01:37:33,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:37:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:37:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 01:37:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 01:37:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 01:37:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 01:37:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 01:37:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 01:37:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 01:37:33,858 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 01:37:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-22 01:37:33,859 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-22 01:37:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-22 01:37:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-22 01:37:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 01:37:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 01:37:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 01:37:33,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 01:37:33,863 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 01:37:36,121 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 01:37:36,122 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-22 01:37:36,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:37:36 BoogieIcfgContainer [2020-10-22 01:37:36,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 01:37:36,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 01:37:36,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 01:37:36,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 01:37:36,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 01:37:32" (1/3) ... [2020-10-22 01:37:36,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23aba364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:37:36, skipping insertion in model container [2020-10-22 01:37:36,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:37:33" (2/3) ... [2020-10-22 01:37:36,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23aba364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:37:36, skipping insertion in model container [2020-10-22 01:37:36,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:37:36" (3/3) ... [2020-10-22 01:37:36,133 INFO L111 eAbstractionObserver]: Analyzing ICFG mix013_pso.opt.i [2020-10-22 01:37:36,145 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 01:37:36,146 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 01:37:36,155 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-22 01:37:36,156 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 01:37:36,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,219 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,219 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,219 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,221 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,221 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,222 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,222 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,231 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,232 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,232 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,232 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,232 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,232 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,233 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,233 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,233 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,233 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,233 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,234 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,234 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,234 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,234 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,234 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,235 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,235 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,235 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,235 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,235 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,235 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,236 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,236 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,236 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,236 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,236 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,236 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,237 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,237 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,237 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,237 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,237 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,238 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,238 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,238 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,238 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,238 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,238 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,239 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,239 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,240 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,241 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,241 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,241 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,241 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,241 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,241 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,242 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,242 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,242 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,242 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,244 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,244 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,244 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,244 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,245 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,245 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,245 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,245 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,246 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,250 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,251 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,251 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,251 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,251 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,251 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,253 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,260 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,260 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,260 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,260 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,261 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,261 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,261 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,261 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,261 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,262 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,262 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,262 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,262 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,262 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,263 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,263 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,263 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,263 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,263 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,264 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,264 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,264 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,264 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,264 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,265 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,265 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,265 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,265 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,265 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,266 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,266 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,266 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,266 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,266 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,267 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,267 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,267 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,269 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,269 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,269 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,269 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,271 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,271 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:37:36,273 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 01:37:36,287 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-22 01:37:36,308 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:37:36,308 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:37:36,308 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:37:36,309 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:37:36,309 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:37:36,309 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:37:36,309 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:37:36,309 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:37:36,322 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:37:36,323 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 122 transitions, 264 flow [2020-10-22 01:37:36,325 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 122 transitions, 264 flow [2020-10-22 01:37:36,327 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 132 places, 122 transitions, 264 flow [2020-10-22 01:37:36,379 INFO L129 PetriNetUnfolder]: 3/118 cut-off events. [2020-10-22 01:37:36,379 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 01:37:36,384 INFO L80 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 118 events. 3/118 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 90 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 79. Up to 2 conditions per place. [2020-10-22 01:37:36,389 INFO L116 LiptonReduction]: Number of co-enabled transitions 2734 [2020-10-22 01:37:36,935 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-10-22 01:37:37,363 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-22 01:37:39,767 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2020-10-22 01:37:39,973 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-22 01:37:39,994 INFO L131 LiptonReduction]: Checked pairs total: 8653 [2020-10-22 01:37:39,995 INFO L133 LiptonReduction]: Total number of compositions: 110 [2020-10-22 01:37:40,000 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 33 transitions, 86 flow [2020-10-22 01:37:40,195 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3010 states. [2020-10-22 01:37:40,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states. [2020-10-22 01:37:40,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 01:37:40,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:37:40,207 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:37:40,208 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:37:40,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:37:40,214 INFO L82 PathProgramCache]: Analyzing trace with hash 837727167, now seen corresponding path program 1 times [2020-10-22 01:37:40,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:37:40,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122750146] [2020-10-22 01:37:40,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:37:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:37:40,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:37:40,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122750146] [2020-10-22 01:37:40,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:37:40,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 01:37:40,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1882326542] [2020-10-22 01:37:40,535 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:37:40,538 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:37:40,553 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-22 01:37:40,553 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:37:40,558 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:37:40,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:37:40,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:37:40,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:37:40,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:37:40,576 INFO L87 Difference]: Start difference. First operand 3010 states. Second operand 3 states. [2020-10-22 01:37:40,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:37:40,719 INFO L93 Difference]: Finished difference Result 2610 states and 10086 transitions. [2020-10-22 01:37:40,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:37:40,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-22 01:37:40,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:37:40,780 INFO L225 Difference]: With dead ends: 2610 [2020-10-22 01:37:40,781 INFO L226 Difference]: Without dead ends: 2130 [2020-10-22 01:37:40,782 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 [2020-10-22 01:37:40,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2020-10-22 01:37:40,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 2130. [2020-10-22 01:37:40,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2130 states. [2020-10-22 01:37:40,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 2130 states and 8102 transitions. [2020-10-22 01:37:40,971 INFO L78 Accepts]: Start accepts. Automaton has 2130 states and 8102 transitions. Word has length 9 [2020-10-22 01:37:40,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:37:40,973 INFO L481 AbstractCegarLoop]: Abstraction has 2130 states and 8102 transitions. [2020-10-22 01:37:40,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:37:40,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 8102 transitions. [2020-10-22 01:37:40,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 01:37:40,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:37:40,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:37:40,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 01:37:40,980 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:37:40,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:37:40,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1896976980, now seen corresponding path program 1 times [2020-10-22 01:37:40,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:37:40,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010498767] [2020-10-22 01:37:40,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:37:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:37:41,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:37:41,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010498767] [2020-10-22 01:37:41,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:37:41,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 01:37:41,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [635430387] [2020-10-22 01:37:41,059 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:37:41,060 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:37:41,062 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-22 01:37:41,062 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:37:41,063 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:37:41,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:37:41,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:37:41,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:37:41,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:37:41,065 INFO L87 Difference]: Start difference. First operand 2130 states and 8102 transitions. Second operand 3 states. [2020-10-22 01:37:41,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:37:41,097 INFO L93 Difference]: Finished difference Result 1970 states and 7414 transitions. [2020-10-22 01:37:41,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:37:41,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-22 01:37:41,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:37:41,115 INFO L225 Difference]: With dead ends: 1970 [2020-10-22 01:37:41,115 INFO L226 Difference]: Without dead ends: 1970 [2020-10-22 01:37:41,116 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 [2020-10-22 01:37:41,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1970 states. [2020-10-22 01:37:41,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1970 to 1970. [2020-10-22 01:37:41,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1970 states. [2020-10-22 01:37:41,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1970 states and 7414 transitions. [2020-10-22 01:37:41,200 INFO L78 Accepts]: Start accepts. Automaton has 1970 states and 7414 transitions. Word has length 11 [2020-10-22 01:37:41,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:37:41,200 INFO L481 AbstractCegarLoop]: Abstraction has 1970 states and 7414 transitions. [2020-10-22 01:37:41,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:37:41,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1970 states and 7414 transitions. [2020-10-22 01:37:41,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 01:37:41,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:37:41,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:37:41,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 01:37:41,204 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:37:41,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:37:41,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1927011622, now seen corresponding path program 1 times [2020-10-22 01:37:41,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:37:41,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801658880] [2020-10-22 01:37:41,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:37:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:37:41,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:37:41,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801658880] [2020-10-22 01:37:41,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:37:41,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 01:37:41,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1595169056] [2020-10-22 01:37:41,289 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:37:41,291 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:37:41,295 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 17 transitions. [2020-10-22 01:37:41,295 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:37:41,356 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:37:41,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:37:41,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:37:41,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:37:41,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:37:41,358 INFO L87 Difference]: Start difference. First operand 1970 states and 7414 transitions. Second operand 3 states. [2020-10-22 01:37:41,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:37:41,388 INFO L93 Difference]: Finished difference Result 1842 states and 6870 transitions. [2020-10-22 01:37:41,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:37:41,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-22 01:37:41,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:37:41,405 INFO L225 Difference]: With dead ends: 1842 [2020-10-22 01:37:41,405 INFO L226 Difference]: Without dead ends: 1842 [2020-10-22 01:37:41,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:37:41,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2020-10-22 01:37:41,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1842. [2020-10-22 01:37:41,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1842 states. [2020-10-22 01:37:41,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 6870 transitions. [2020-10-22 01:37:41,481 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 6870 transitions. Word has length 13 [2020-10-22 01:37:41,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:37:41,482 INFO L481 AbstractCegarLoop]: Abstraction has 1842 states and 6870 transitions. [2020-10-22 01:37:41,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:37:41,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 6870 transitions. [2020-10-22 01:37:41,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-22 01:37:41,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:37:41,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:37:41,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 01:37:41,486 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:37:41,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:37:41,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1540393564, now seen corresponding path program 1 times [2020-10-22 01:37:41,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:37:41,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941503123] [2020-10-22 01:37:41,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:37:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:37:41,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:37:41,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941503123] [2020-10-22 01:37:41,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:37:41,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:37:41,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [841031029] [2020-10-22 01:37:41,666 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:37:41,669 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:37:41,677 INFO L252 McrAutomatonBuilder]: Finished intersection with 38 states and 63 transitions. [2020-10-22 01:37:41,677 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:37:42,281 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 5 [2020-10-22 01:37:42,837 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 5 [2020-10-22 01:37:42,898 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 01:37:42,931 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 01:37:43,411 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 4 [2020-10-22 01:37:43,455 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 01:37:43,638 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [24474#(not (= 4 ~__unbuffered_cnt~0))] [2020-10-22 01:37:43,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 01:37:43,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:37:43,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 01:37:43,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:37:43,639 INFO L87 Difference]: Start difference. First operand 1842 states and 6870 transitions. Second operand 5 states. [2020-10-22 01:37:43,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:37:43,722 INFO L93 Difference]: Finished difference Result 1425 states and 4753 transitions. [2020-10-22 01:37:43,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 01:37:43,722 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-22 01:37:43,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:37:43,730 INFO L225 Difference]: With dead ends: 1425 [2020-10-22 01:37:43,730 INFO L226 Difference]: Without dead ends: 945 [2020-10-22 01:37:43,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:37:43,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2020-10-22 01:37:43,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 945. [2020-10-22 01:37:43,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 945 states. [2020-10-22 01:37:43,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 2868 transitions. [2020-10-22 01:37:43,762 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 2868 transitions. Word has length 15 [2020-10-22 01:37:43,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:37:43,763 INFO L481 AbstractCegarLoop]: Abstraction has 945 states and 2868 transitions. [2020-10-22 01:37:43,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 01:37:43,763 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 2868 transitions. [2020-10-22 01:37:43,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 01:37:43,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:37:43,765 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] [2020-10-22 01:37:43,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 01:37:43,766 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:37:43,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:37:43,766 INFO L82 PathProgramCache]: Analyzing trace with hash 442570815, now seen corresponding path program 1 times [2020-10-22 01:37:43,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:37:43,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574410395] [2020-10-22 01:37:43,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:37:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:37:43,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:37:43,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574410395] [2020-10-22 01:37:43,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:37:43,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 01:37:43,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [258458326] [2020-10-22 01:37:43,913 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:37:43,918 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:37:43,935 INFO L252 McrAutomatonBuilder]: Finished intersection with 55 states and 92 transitions. [2020-10-22 01:37:43,935 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:37:43,952 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 01:37:44,004 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 01:37:44,169 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 3 [2020-10-22 01:37:44,575 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 3 [2020-10-22 01:37:45,079 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-22 01:37:45,546 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 3 [2020-10-22 01:37:45,667 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [27800#(not (= 4 ~__unbuffered_cnt~0)), 27801#(not (= ~__unbuffered_cnt~0 3)), 27802#(not (= ~__unbuffered_cnt~0 2))] [2020-10-22 01:37:45,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-22 01:37:45,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:37:45,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-22 01:37:45,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-22 01:37:45,669 INFO L87 Difference]: Start difference. First operand 945 states and 2868 transitions. Second operand 9 states. [2020-10-22 01:37:45,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:37:45,808 INFO L93 Difference]: Finished difference Result 792 states and 2432 transitions. [2020-10-22 01:37:45,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-22 01:37:45,809 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2020-10-22 01:37:45,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:37:45,814 INFO L225 Difference]: With dead ends: 792 [2020-10-22 01:37:45,815 INFO L226 Difference]: Without dead ends: 693 [2020-10-22 01:37:45,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-22 01:37:45,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2020-10-22 01:37:45,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 693. [2020-10-22 01:37:45,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-10-22 01:37:45,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 2153 transitions. [2020-10-22 01:37:45,834 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 2153 transitions. Word has length 20 [2020-10-22 01:37:45,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:37:45,834 INFO L481 AbstractCegarLoop]: Abstraction has 693 states and 2153 transitions. [2020-10-22 01:37:45,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-22 01:37:45,835 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 2153 transitions. [2020-10-22 01:37:45,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-22 01:37:45,837 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:37:45,837 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, 1, 1, 1] [2020-10-22 01:37:45,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 01:37:45,838 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:37:45,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:37:45,838 INFO L82 PathProgramCache]: Analyzing trace with hash 505321948, now seen corresponding path program 1 times [2020-10-22 01:37:45,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:37:45,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606472068] [2020-10-22 01:37:45,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:37:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:37:45,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:37:45,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606472068] [2020-10-22 01:37:45,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:37:45,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:37:45,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [602941037] [2020-10-22 01:37:45,914 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:37:45,921 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:37:46,035 INFO L252 McrAutomatonBuilder]: Finished intersection with 75 states and 130 transitions. [2020-10-22 01:37:46,036 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:37:46,749 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-22 01:37:47,106 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 3 [2020-10-22 01:37:47,864 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-22 01:37:48,280 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 3 [2020-10-22 01:37:48,509 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:37:48,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:37:48,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:37:48,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:37:48,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:37:48,510 INFO L87 Difference]: Start difference. First operand 693 states and 2153 transitions. Second operand 4 states. [2020-10-22 01:37:48,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:37:48,545 INFO L93 Difference]: Finished difference Result 967 states and 2927 transitions. [2020-10-22 01:37:48,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 01:37:48,546 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-10-22 01:37:48,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:37:48,549 INFO L225 Difference]: With dead ends: 967 [2020-10-22 01:37:48,549 INFO L226 Difference]: Without dead ends: 421 [2020-10-22 01:37:48,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:37:48,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-10-22 01:37:48,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-10-22 01:37:48,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-10-22 01:37:48,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 1177 transitions. [2020-10-22 01:37:48,560 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 1177 transitions. Word has length 26 [2020-10-22 01:37:48,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:37:48,564 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 1177 transitions. [2020-10-22 01:37:48,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:37:48,564 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 1177 transitions. [2020-10-22 01:37:48,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-22 01:37:48,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:37:48,566 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, 1, 1, 1] [2020-10-22 01:37:48,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 01:37:48,566 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:37:48,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:37:48,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1285583580, now seen corresponding path program 2 times [2020-10-22 01:37:48,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:37:48,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602122938] [2020-10-22 01:37:48,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:37:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:37:48,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:37:48,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602122938] [2020-10-22 01:37:48,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:37:48,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:37:48,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [996509108] [2020-10-22 01:37:48,656 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:37:48,663 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:37:48,698 INFO L252 McrAutomatonBuilder]: Finished intersection with 57 states and 91 transitions. [2020-10-22 01:37:48,698 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:37:49,547 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-22 01:37:49,821 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 3 [2020-10-22 01:37:50,391 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 3 [2020-10-22 01:37:50,397 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:37:50,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:37:50,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:37:50,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:37:50,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:37:50,398 INFO L87 Difference]: Start difference. First operand 421 states and 1177 transitions. Second operand 4 states. [2020-10-22 01:37:50,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:37:50,419 INFO L93 Difference]: Finished difference Result 519 states and 1423 transitions. [2020-10-22 01:37:50,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 01:37:50,420 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-10-22 01:37:50,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:37:50,421 INFO L225 Difference]: With dead ends: 519 [2020-10-22 01:37:50,421 INFO L226 Difference]: Without dead ends: 229 [2020-10-22 01:37:50,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:37:50,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-10-22 01:37:50,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2020-10-22 01:37:50,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-10-22 01:37:50,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 553 transitions. [2020-10-22 01:37:50,427 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 553 transitions. Word has length 26 [2020-10-22 01:37:50,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:37:50,427 INFO L481 AbstractCegarLoop]: Abstraction has 229 states and 553 transitions. [2020-10-22 01:37:50,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:37:50,427 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 553 transitions. [2020-10-22 01:37:50,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-22 01:37:50,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:37:50,428 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, 1, 1, 1] [2020-10-22 01:37:50,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 01:37:50,428 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:37:50,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:37:50,429 INFO L82 PathProgramCache]: Analyzing trace with hash 2091260536, now seen corresponding path program 3 times [2020-10-22 01:37:50,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:37:50,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553728050] [2020-10-22 01:37:50,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:37:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:37:50,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:37:50,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553728050] [2020-10-22 01:37:50,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:37:50,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 01:37:50,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [176697332] [2020-10-22 01:37:50,840 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:37:50,845 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:37:50,864 INFO L252 McrAutomatonBuilder]: Finished intersection with 42 states and 56 transitions. [2020-10-22 01:37:50,865 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:37:51,019 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 4, 4, 3, 3, 2, 1] term [2020-10-22 01:37:51,019 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:51,021 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 4, 4, 3, 2, 1] term [2020-10-22 01:37:51,021 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:51,022 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 4, 4, 3, 2, 1] term [2020-10-22 01:37:51,022 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:51,023 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-22 01:37:51,024 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:51,025 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-22 01:37:51,025 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:51,026 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-22 01:37:51,026 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:51,028 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 2, 4, 4, 3, 3, 2, 1] term [2020-10-22 01:37:51,028 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:51,029 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-22 01:37:51,029 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:51,030 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-22 01:37:51,030 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:51,032 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:51,037 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 01:37:51,042 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 01:37:51,061 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 01:37:51,093 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 01:37:51,239 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2020-10-22 01:37:51,384 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2020-10-22 01:37:51,541 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 4, 2, 3, 2, 1] term [2020-10-22 01:37:51,542 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:51,543 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-22 01:37:51,543 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:51,547 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-22 01:37:51,547 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:51,548 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-22 01:37:51,549 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:51,550 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-22 01:37:51,550 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:51,796 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 47 [2020-10-22 01:37:52,013 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 47 [2020-10-22 01:37:52,186 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 47 [2020-10-22 01:37:52,341 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 47 [2020-10-22 01:37:52,423 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 4, 2, 3, 2, 1] term [2020-10-22 01:37:52,423 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:52,424 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-22 01:37:52,424 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:52,427 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-10-22 01:37:52,427 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:52,428 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-22 01:37:52,428 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:52,429 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-22 01:37:52,429 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:37:52,629 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 47 [2020-10-22 01:37:52,632 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [32792#(or (not (= ~__unbuffered_p3_EAX~0 1)) (and (or (not (= ~z~0 0)) (and (or (not (= (mod ~z$r_buff0_thd3~0 256) 0)) (not (= (mod ~z$w_buff1_used~0 256) 0))) (not (= (mod ~z$w_buff0_used~0 256) 0)) (or (not (= (mod ~z$r_buff0_thd3~0 256) 0)) (not (= (mod ~z$r_buff1_thd3~0 256) 0))))) (or (= (mod ~z$w_buff0_used~0 256) 0) (and (= (mod ~z$r_buff0_thd3~0 256) 0) (= (mod ~z$r_buff1_thd3~0 256) 0)) (and (= (mod ~z$w_buff1_used~0 256) 0) (= (mod ~z$r_buff0_thd3~0 256) 0)) (and (or (not (= (mod ~z$r_buff0_thd3~0 256) 0)) (not (= ~z$w_buff1~0 0))) (or (not (= ~z$w_buff0~0 0)) (= (mod ~z$r_buff0_thd3~0 256) 0)))))), 32793#(or (not (= ~__unbuffered_p3_EAX~0 1)) (and (or (= (mod ~z$w_buff0_used~0 256) 0) (= (mod ~z$r_buff0_thd4~0 256) 0) (and (not (= ~z$w_buff0~0 0)) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff1_thd3~0 0))) (or (and (not (= (mod ~z$w_buff0_used~0 256) 0)) (not (= (mod ~z$r_buff0_thd4~0 256) 0))) (and (or (and (not (= (mod ~z$r_buff1_thd4~0 256) 0)) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= ~z~0 0)) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff1_thd3~0 0))) (or (= (mod ~z$w_buff1_used~0 256) 0) (= (mod ~z$r_buff1_thd4~0 256) 0) (and (not (= ~z$w_buff1~0 0)) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff1_thd3~0 0)))))))] [2020-10-22 01:37:52,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-22 01:37:52,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:37:52,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-22 01:37:52,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-22 01:37:52,633 INFO L87 Difference]: Start difference. First operand 229 states and 553 transitions. Second operand 9 states. [2020-10-22 01:37:52,981 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2020-10-22 01:37:53,115 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2020-10-22 01:37:53,389 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-10-22 01:37:53,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:37:53,435 INFO L93 Difference]: Finished difference Result 288 states and 681 transitions. [2020-10-22 01:37:53,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-22 01:37:53,436 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-10-22 01:37:53,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:37:53,440 INFO L225 Difference]: With dead ends: 288 [2020-10-22 01:37:53,441 INFO L226 Difference]: Without dead ends: 238 [2020-10-22 01:37:53,441 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-10-22 01:37:53,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-22 01:37:53,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 197. [2020-10-22 01:37:53,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-22 01:37:53,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 467 transitions. [2020-10-22 01:37:53,456 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 467 transitions. Word has length 26 [2020-10-22 01:37:53,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:37:53,457 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 467 transitions. [2020-10-22 01:37:53,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-22 01:37:53,457 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 467 transitions. [2020-10-22 01:37:53,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-22 01:37:53,458 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:37:53,459 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, 1, 1, 1] [2020-10-22 01:37:53,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-22 01:37:53,459 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:37:53,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:37:53,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1319731108, now seen corresponding path program 4 times [2020-10-22 01:37:53,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:37:53,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046675268] [2020-10-22 01:37:53,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:37:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:37:53,595 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:37:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:37:53,769 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:37:53,853 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 01:37:53,853 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 01:37:53,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-22 01:37:53,855 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-22 01:37:53,901 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1262] [1262] L882-->L889: Formula: (let ((.cse7 (= (mod ~z$r_buff1_thd0~0_In1523100505 256) 0)) (.cse6 (= (mod ~z$w_buff1_used~0_In1523100505 256) 0)) (.cse8 (= (mod ~z$w_buff0_used~0_In1523100505 256) 0)) (.cse9 (= (mod ~z$r_buff0_thd0~0_In1523100505 256) 0))) (let ((.cse0 (not .cse9)) (.cse1 (not .cse8)) (.cse5 (or .cse8 .cse9)) (.cse2 (or .cse7 .cse6)) (.cse3 (not .cse7)) (.cse4 (not .cse6))) (and (= ~z$r_buff1_thd0~0_Out1523100505 ~z$r_buff1_thd0~0_In1523100505) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out1523100505 0)) (or (and .cse0 .cse1 (= ~z~0_Out1523100505 ~z$w_buff0~0_In1523100505)) (and (or (and .cse2 (= ~z~0_In1523100505 ~z~0_Out1523100505)) (and (= ~z$w_buff1~0_In1523100505 ~z~0_Out1523100505) .cse3 .cse4)) .cse5)) (or (and .cse0 .cse1 (= ~z$w_buff0_used~0_Out1523100505 0)) (and (= ~z$w_buff0_used~0_In1523100505 ~z$w_buff0_used~0_Out1523100505) .cse5)) (= ULTIMATE.start_assume_abort_if_not_~cond_Out1523100505 |ULTIMATE.start_assume_abort_if_not_#in~cond_In1523100505|) (= ~z$r_buff0_thd0~0_In1523100505 ~z$r_buff0_thd0~0_Out1523100505) (or (and .cse2 (= ~z$w_buff1_used~0_In1523100505 ~z$w_buff1_used~0_Out1523100505)) (and .cse3 .cse4 (= ~z$w_buff1_used~0_Out1523100505 0)))))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1523100505|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In1523100505, ~z$w_buff0_used~0=~z$w_buff0_used~0_In1523100505, ~z$w_buff0~0=~z$w_buff0~0_In1523100505, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In1523100505, ~z$w_buff1_used~0=~z$w_buff1_used~0_In1523100505, ~z$w_buff1~0=~z$w_buff1~0_In1523100505, ~z~0=~z~0_In1523100505} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_Out1523100505, ~z$w_buff0~0=~z$w_buff0~0_In1523100505, ~z$w_buff1_used~0=~z$w_buff1_used~0_Out1523100505, ~z$w_buff1~0=~z$w_buff1~0_In1523100505, ULTIMATE.start_main_#t~ite66=|ULTIMATE.start_main_#t~ite66_Out1523100505|, ULTIMATE.start_main_#t~ite64=|ULTIMATE.start_main_#t~ite64_Out1523100505|, ULTIMATE.start_main_#t~ite65=|ULTIMATE.start_main_#t~ite65_Out1523100505|, ULTIMATE.start_main_#t~ite62=|ULTIMATE.start_main_#t~ite62_Out1523100505|, ULTIMATE.start_main_#t~ite63=|ULTIMATE.start_main_#t~ite63_Out1523100505|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In1523100505|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_Out1523100505, ULTIMATE.start_main_#t~ite61=|ULTIMATE.start_main_#t~ite61_Out1523100505|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out1523100505, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_Out1523100505, ~z~0=~z~0_Out1523100505} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite62, ULTIMATE.start_main_#t~ite63, ~z$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite61, ULTIMATE.start_assume_abort_if_not_~cond, ~z$w_buff0_used~0, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ~z~0, ULTIMATE.start_main_#t~ite66, ULTIMATE.start_main_#t~ite64, ULTIMATE.start_main_#t~ite65] because there is no mapped edge [2020-10-22 01:37:53,920 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,921 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [816] [2020-10-22 01:37:53,923 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,923 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,924 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,924 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,924 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,925 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,925 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,925 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,926 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,926 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,927 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,927 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,927 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,928 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,928 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,928 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,928 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,929 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,929 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,929 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,929 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,930 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,932 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,932 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,933 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,933 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,939 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,940 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,940 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,940 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,941 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,941 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,942 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,942 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,942 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,943 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,943 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,943 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,943 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,944 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,944 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,944 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,945 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,945 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,945 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,945 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,946 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,946 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,947 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,947 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,947 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,948 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,948 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,948 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,948 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,949 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:53,949 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-22 01:37:53,949 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:37:54,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 01:37:54 BasicIcfg [2020-10-22 01:37:54,058 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 01:37:54,059 INFO L168 Benchmark]: Toolchain (without parser) took 21206.42 ms. Allocated memory was 142.6 MB in the beginning and 443.5 MB in the end (delta: 300.9 MB). Free memory was 101.7 MB in the beginning and 181.1 MB in the end (delta: -79.4 MB). Peak memory consumption was 221.5 MB. Max. memory is 7.1 GB. [2020-10-22 01:37:54,060 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 142.6 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-22 01:37:54,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.42 ms. Allocated memory was 142.6 MB in the beginning and 203.9 MB in the end (delta: 61.3 MB). Free memory was 100.6 MB in the beginning and 153.4 MB in the end (delta: -52.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2020-10-22 01:37:54,062 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.54 ms. Allocated memory is still 203.9 MB. Free memory was 153.4 MB in the beginning and 150.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-10-22 01:37:54,063 INFO L168 Benchmark]: Boogie Preprocessor took 44.17 ms. Allocated memory is still 203.9 MB. Free memory was 150.1 MB in the beginning and 146.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-10-22 01:37:54,064 INFO L168 Benchmark]: RCFGBuilder took 2357.29 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 146.8 MB in the beginning and 95.4 MB in the end (delta: 51.5 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2020-10-22 01:37:54,065 INFO L168 Benchmark]: TraceAbstraction took 17932.15 ms. Allocated memory was 246.4 MB in the beginning and 443.5 MB in the end (delta: 197.1 MB). Free memory was 95.4 MB in the beginning and 181.1 MB in the end (delta: -85.8 MB). Peak memory consumption was 111.4 MB. Max. memory is 7.1 GB. [2020-10-22 01:37:54,069 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 142.6 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 789.42 ms. Allocated memory was 142.6 MB in the beginning and 203.9 MB in the end (delta: 61.3 MB). Free memory was 100.6 MB in the beginning and 153.4 MB in the end (delta: -52.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 72.54 ms. Allocated memory is still 203.9 MB. Free memory was 153.4 MB in the beginning and 150.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.17 ms. Allocated memory is still 203.9 MB. Free memory was 150.1 MB in the beginning and 146.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2357.29 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 146.8 MB in the beginning and 95.4 MB in the end (delta: 51.5 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17932.15 ms. Allocated memory was 246.4 MB in the beginning and 443.5 MB in the end (delta: 197.1 MB). Free memory was 95.4 MB in the beginning and 181.1 MB in the end (delta: -85.8 MB). Peak memory consumption was 111.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1486 VarBasedMoverChecksPositive, 41 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 156 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.6s, 132 PlacesBefore, 45 PlacesAfterwards, 122 TransitionsBefore, 33 TransitionsAfterwards, 2734 CoEnabledTransitionPairs, 8 FixpointIterations, 43 TrivialSequentialCompositions, 56 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 110 TotalNumberOfCompositions, 8653 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p1_EBX = 0; [L718] 0 int __unbuffered_p2_EAX = 0; [L720] 0 int __unbuffered_p3_EAX = 0; [L722] 0 int __unbuffered_p3_EBX = 0; [L724] 0 int a = 0; [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 z$flush_delayed; [L734] 0 int z$mem_tmp; [L735] 0 _Bool z$r_buff0_thd0; [L736] 0 _Bool z$r_buff0_thd1; [L737] 0 _Bool z$r_buff0_thd2; [L738] 0 _Bool z$r_buff0_thd3; [L739] 0 _Bool z$r_buff0_thd4; [L740] 0 _Bool z$r_buff1_thd0; [L741] 0 _Bool z$r_buff1_thd1; [L742] 0 _Bool z$r_buff1_thd2; [L743] 0 _Bool z$r_buff1_thd3; [L744] 0 _Bool z$r_buff1_thd4; [L745] 0 _Bool z$read_delayed; [L746] 0 int *z$read_delayed_var; [L747] 0 int z$w_buff0; [L748] 0 _Bool z$w_buff0_used; [L749] 0 int z$w_buff1; [L750] 0 _Bool z$w_buff1_used; [L751] 0 _Bool weak$$choice0; [L752] 0 _Bool weak$$choice2; [L871] 0 pthread_t t333; [L872] FCALL, FORK 0 pthread_create(&t333, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L873] 0 pthread_t t334; [L874] FCALL, FORK 0 pthread_create(&t334, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L875] 0 pthread_t t335; [L876] FCALL, FORK 0 pthread_create(&t335, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=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=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L877] 0 pthread_t t336; [L878] FCALL, FORK 0 pthread_create(&t336, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=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=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L817] 4 z$w_buff1 = z$w_buff0 [L818] 4 z$w_buff0 = 1 [L819] 4 z$w_buff1_used = z$w_buff0_used [L820] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L822] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L823] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L824] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L825] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L826] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L827] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L830] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L831] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L832] 4 z$flush_delayed = weak$$choice2 [L833] 4 z$mem_tmp = z [L834] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L834] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L835] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L835] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L836] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L836] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1) [L836] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L836] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L837] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L837] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L838] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L838] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0 [L838] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L838] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L839] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L840] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L840] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 __unbuffered_p3_EAX = z [L842] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L842] 4 z = z$flush_delayed ? z$mem_tmp : z [L843] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L846] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L756] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L759] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L771] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L774] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] 2 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L789] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L792] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L793] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L794] 3 z$flush_delayed = weak$$choice2 [L795] 3 z$mem_tmp = z [L796] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L796] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1 [L796] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L796] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L797] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L797] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L798] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L798] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L799] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L799] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L800] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L800] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0 [L800] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L800] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L801] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L801] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L801] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L801] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L801] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L802] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L802] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L803] 3 __unbuffered_p2_EAX = z [L804] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L804] 3 z = z$flush_delayed ? z$mem_tmp : z [L805] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L784] 2 return 0; [L810] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L812] 3 return 0; [L849] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L849] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L850] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L850] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L851] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L851] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L852] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L852] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L853] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L853] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L856] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L858] 4 return 0; [L764] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L766] 1 return 0; [L880] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L891] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix013_pso.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 120 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 17.5s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 273 SDtfs, 336 SDslu, 499 SDs, 0 SdLazy, 171 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 150 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3010occurred 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: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 41 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 16831 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...