/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/mix019_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 01:41:07,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 01:41:07,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 01:41:07,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 01:41:07,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 01:41:07,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 01:41:07,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 01:41:07,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 01:41:07,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 01:41:07,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 01:41:07,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 01:41:07,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 01:41:07,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 01:41:07,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 01:41:07,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 01:41:07,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 01:41:07,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 01:41:07,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 01:41:07,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 01:41:07,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 01:41:07,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 01:41:07,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 01:41:07,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 01:41:07,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 01:41:07,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 01:41:07,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 01:41:07,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 01:41:07,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 01:41:07,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 01:41:07,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 01:41:07,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 01:41:07,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 01:41:07,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 01:41:07,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 01:41:07,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 01:41:07,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 01:41:07,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 01:41:07,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 01:41:07,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 01:41:07,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 01:41:07,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 01:41:07,861 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 01:41:07,885 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 01:41:07,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 01:41:07,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 01:41:07,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 01:41:07,887 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 01:41:07,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 01:41:07,887 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 01:41:07,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 01:41:07,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 01:41:07,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 01:41:07,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 01:41:07,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 01:41:07,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 01:41:07,888 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 01:41:07,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 01:41:07,889 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 01:41:07,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 01:41:07,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 01:41:07,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 01:41:07,890 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 01:41:07,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 01:41:07,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:41:07,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 01:41:07,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 01:41:07,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 01:41:07,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 01:41:07,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 01:41:07,891 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 01:41:07,891 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 01:41:07,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 01:41:07,892 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 01:41:08,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 01:41:08,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 01:41:08,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 01:41:08,211 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 01:41:08,212 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 01:41:08,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix019_tso.opt.i [2020-10-22 01:41:08,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53f1163ed/3f3d0d2779fa4e3aa4635768162ed3c8/FLAG7fb9a0ecb [2020-10-22 01:41:08,871 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 01:41:08,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix019_tso.opt.i [2020-10-22 01:41:08,891 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53f1163ed/3f3d0d2779fa4e3aa4635768162ed3c8/FLAG7fb9a0ecb [2020-10-22 01:41:09,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53f1163ed/3f3d0d2779fa4e3aa4635768162ed3c8 [2020-10-22 01:41:09,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 01:41:09,154 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 01:41:09,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 01:41:09,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 01:41:09,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 01:41:09,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:41:09" (1/1) ... [2020-10-22 01:41:09,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30579132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:41:09, skipping insertion in model container [2020-10-22 01:41:09,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:41:09" (1/1) ... [2020-10-22 01:41:09,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 01:41:09,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 01:41:09,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:41:09,759 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 01:41:09,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:41:09,910 INFO L208 MainTranslator]: Completed translation [2020-10-22 01:41:09,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:41:09 WrapperNode [2020-10-22 01:41:09,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 01:41:09,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 01:41:09,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 01:41:09,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 01:41:09,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:41:09" (1/1) ... [2020-10-22 01:41:09,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:41:09" (1/1) ... [2020-10-22 01:41:09,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 01:41:09,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 01:41:09,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 01:41:09,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 01:41:09,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:41:09" (1/1) ... [2020-10-22 01:41:10,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:41:09" (1/1) ... [2020-10-22 01:41:10,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:41:09" (1/1) ... [2020-10-22 01:41:10,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:41:09" (1/1) ... [2020-10-22 01:41:10,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:41:09" (1/1) ... [2020-10-22 01:41:10,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:41:09" (1/1) ... [2020-10-22 01:41:10,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:41:09" (1/1) ... [2020-10-22 01:41:10,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 01:41:10,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 01:41:10,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 01:41:10,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 01:41:10,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:41:09" (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 01:41:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 01:41:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 01:41:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 01:41:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 01:41:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 01:41:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 01:41:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 01:41:10,155 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 01:41:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-22 01:41:10,156 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-22 01:41:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 01:41:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 01:41:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 01:41:10,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 01:41:10,162 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 01:41:13,073 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 01:41:13,073 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-22 01:41:13,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:41:13 BoogieIcfgContainer [2020-10-22 01:41:13,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 01:41:13,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 01:41:13,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 01:41:13,082 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 01:41:13,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 01:41:09" (1/3) ... [2020-10-22 01:41:13,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5973b280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:41:13, skipping insertion in model container [2020-10-22 01:41:13,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:41:09" (2/3) ... [2020-10-22 01:41:13,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5973b280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:41:13, skipping insertion in model container [2020-10-22 01:41:13,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:41:13" (3/3) ... [2020-10-22 01:41:13,086 INFO L111 eAbstractionObserver]: Analyzing ICFG mix019_tso.opt.i [2020-10-22 01:41:13,098 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 01:41:13,098 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 01:41:13,106 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-22 01:41:13,107 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 01:41:13,142 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,143 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,143 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,145 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,145 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,151 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,155 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,155 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,155 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,156 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,158 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,158 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,158 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,158 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,158 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,158 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,159 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,159 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,159 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,159 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,159 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,159 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,173 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,173 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,177 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,177 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,178 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,178 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,178 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,178 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,178 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,178 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,179 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,180 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,180 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,180 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,180 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,180 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,181 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,181 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,181 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,181 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,181 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,181 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,182 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,182 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,182 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,182 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,182 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,186 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,187 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,187 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,190 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,191 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,193 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:41:13,195 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 01:41:13,210 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-22 01:41:13,232 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:41:13,232 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:41:13,232 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:41:13,233 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:41:13,233 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:41:13,233 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:41:13,233 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:41:13,233 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:41:13,287 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:41:13,288 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 102 transitions, 219 flow [2020-10-22 01:41:13,290 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 102 transitions, 219 flow [2020-10-22 01:41:13,293 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 109 places, 102 transitions, 219 flow [2020-10-22 01:41:13,346 INFO L129 PetriNetUnfolder]: 3/99 cut-off events. [2020-10-22 01:41:13,346 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 01:41:13,352 INFO L80 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 3/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2020-10-22 01:41:13,355 INFO L116 LiptonReduction]: Number of co-enabled transitions 1734 [2020-10-22 01:41:13,966 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-22 01:41:14,104 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-22 01:41:14,435 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-10-22 01:41:15,251 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-22 01:41:15,356 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-22 01:41:16,819 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-10-22 01:41:17,106 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-22 01:41:17,132 INFO L131 LiptonReduction]: Checked pairs total: 4281 [2020-10-22 01:41:17,132 INFO L133 LiptonReduction]: Total number of compositions: 92 [2020-10-22 01:41:17,141 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 25 transitions, 65 flow [2020-10-22 01:41:17,224 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 602 states. [2020-10-22 01:41:17,228 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states. [2020-10-22 01:41:17,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-22 01:41:17,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:41:17,239 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:41:17,239 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:41:17,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:41:17,248 INFO L82 PathProgramCache]: Analyzing trace with hash 25758717, now seen corresponding path program 1 times [2020-10-22 01:41:17,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:41:17,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179490969] [2020-10-22 01:41:17,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:41:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:41:17,553 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 01:41:17,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179490969] [2020-10-22 01:41:17,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:41:17,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 01:41:17,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [367820159] [2020-10-22 01:41:17,558 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:41:17,595 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:41:17,618 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-22 01:41:17,619 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:41:17,628 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:41:17,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:41:17,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:41:17,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:41:17,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:41:17,657 INFO L87 Difference]: Start difference. First operand 602 states. Second operand 3 states. [2020-10-22 01:41:17,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:41:17,748 INFO L93 Difference]: Finished difference Result 522 states and 1600 transitions. [2020-10-22 01:41:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:41:17,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-22 01:41:17,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:41:17,783 INFO L225 Difference]: With dead ends: 522 [2020-10-22 01:41:17,784 INFO L226 Difference]: Without dead ends: 426 [2020-10-22 01:41:17,785 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 01:41:17,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2020-10-22 01:41:17,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2020-10-22 01:41:17,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-10-22 01:41:17,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 1280 transitions. [2020-10-22 01:41:17,879 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 1280 transitions. Word has length 7 [2020-10-22 01:41:17,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:41:17,880 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 1280 transitions. [2020-10-22 01:41:17,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:41:17,881 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1280 transitions. [2020-10-22 01:41:17,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 01:41:17,882 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:41:17,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:41:17,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 01:41:17,883 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:41:17,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:41:17,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1015663629, now seen corresponding path program 1 times [2020-10-22 01:41:17,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:41:17,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361626737] [2020-10-22 01:41:17,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:41:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:41:17,977 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 01:41:17,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361626737] [2020-10-22 01:41:17,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:41:17,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 01:41:17,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [109259951] [2020-10-22 01:41:17,978 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:41:17,979 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:41:17,981 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-22 01:41:17,981 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:41:17,981 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:41:17,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:41:17,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:41:17,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:41:17,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:41:17,984 INFO L87 Difference]: Start difference. First operand 426 states and 1280 transitions. Second operand 3 states. [2020-10-22 01:41:17,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:41:17,998 INFO L93 Difference]: Finished difference Result 394 states and 1168 transitions. [2020-10-22 01:41:17,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:41:17,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-22 01:41:17,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:41:18,002 INFO L225 Difference]: With dead ends: 394 [2020-10-22 01:41:18,002 INFO L226 Difference]: Without dead ends: 394 [2020-10-22 01:41:18,003 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 01:41:18,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-10-22 01:41:18,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2020-10-22 01:41:18,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-22 01:41:18,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 1168 transitions. [2020-10-22 01:41:18,027 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 1168 transitions. Word has length 9 [2020-10-22 01:41:18,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:41:18,027 INFO L481 AbstractCegarLoop]: Abstraction has 394 states and 1168 transitions. [2020-10-22 01:41:18,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:41:18,028 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1168 transitions. [2020-10-22 01:41:18,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 01:41:18,030 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:41:18,030 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:41:18,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 01:41:18,031 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:41:18,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:41:18,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1095176891, now seen corresponding path program 1 times [2020-10-22 01:41:18,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:41:18,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310036570] [2020-10-22 01:41:18,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:41:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:41:18,176 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 01:41:18,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310036570] [2020-10-22 01:41:18,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:41:18,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 01:41:18,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [660620539] [2020-10-22 01:41:18,178 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:41:18,185 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:41:18,191 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-22 01:41:18,192 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:41:18,192 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:41:18,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:41:18,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:41:18,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:41:18,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:41:18,193 INFO L87 Difference]: Start difference. First operand 394 states and 1168 transitions. Second operand 3 states. [2020-10-22 01:41:18,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:41:18,228 INFO L93 Difference]: Finished difference Result 386 states and 1138 transitions. [2020-10-22 01:41:18,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:41:18,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-22 01:41:18,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:41:18,237 INFO L225 Difference]: With dead ends: 386 [2020-10-22 01:41:18,237 INFO L226 Difference]: Without dead ends: 386 [2020-10-22 01:41:18,238 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 01:41:18,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-10-22 01:41:18,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2020-10-22 01:41:18,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2020-10-22 01:41:18,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 1138 transitions. [2020-10-22 01:41:18,265 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 1138 transitions. Word has length 11 [2020-10-22 01:41:18,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:41:18,265 INFO L481 AbstractCegarLoop]: Abstraction has 386 states and 1138 transitions. [2020-10-22 01:41:18,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:41:18,266 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 1138 transitions. [2020-10-22 01:41:18,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 01:41:18,274 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:41:18,274 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:41:18,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 01:41:18,274 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:41:18,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:41:18,275 INFO L82 PathProgramCache]: Analyzing trace with hash -152992259, now seen corresponding path program 1 times [2020-10-22 01:41:18,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:41:18,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495481109] [2020-10-22 01:41:18,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:41:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:41:18,463 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 01:41:18,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495481109] [2020-10-22 01:41:18,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:41:18,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:41:18,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1740109768] [2020-10-22 01:41:18,464 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:41:18,467 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:41:18,473 INFO L252 McrAutomatonBuilder]: Finished intersection with 19 states and 24 transitions. [2020-10-22 01:41:18,473 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:41:18,572 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:41:18,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:41:18,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:41:18,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:41:18,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:41:18,574 INFO L87 Difference]: Start difference. First operand 386 states and 1138 transitions. Second operand 4 states. [2020-10-22 01:41:18,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:41:18,608 INFO L93 Difference]: Finished difference Result 371 states and 963 transitions. [2020-10-22 01:41:18,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 01:41:18,609 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-22 01:41:18,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:41:18,611 INFO L225 Difference]: With dead ends: 371 [2020-10-22 01:41:18,611 INFO L226 Difference]: Without dead ends: 275 [2020-10-22 01:41:18,611 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 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 01:41:18,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-10-22 01:41:18,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2020-10-22 01:41:18,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2020-10-22 01:41:18,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 694 transitions. [2020-10-22 01:41:18,620 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 694 transitions. Word has length 12 [2020-10-22 01:41:18,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:41:18,621 INFO L481 AbstractCegarLoop]: Abstraction has 275 states and 694 transitions. [2020-10-22 01:41:18,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:41:18,621 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 694 transitions. [2020-10-22 01:41:18,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 01:41:18,622 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:41:18,622 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:41:18,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 01:41:18,622 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:41:18,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:41:18,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1532036691, now seen corresponding path program 1 times [2020-10-22 01:41:18,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:41:18,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908557393] [2020-10-22 01:41:18,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:41:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:41:18,757 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 01:41:18,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908557393] [2020-10-22 01:41:18,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:41:18,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 01:41:18,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1546565377] [2020-10-22 01:41:18,758 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:41:18,763 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:41:18,770 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 26 transitions. [2020-10-22 01:41:18,770 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:41:19,223 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 3 [2020-10-22 01:41:19,319 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [5971#(<= ~__unbuffered_cnt~0 0)] [2020-10-22 01:41:19,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 01:41:19,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:41:19,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 01:41:19,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-22 01:41:19,320 INFO L87 Difference]: Start difference. First operand 275 states and 694 transitions. Second operand 6 states. [2020-10-22 01:41:19,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:41:19,388 INFO L93 Difference]: Finished difference Result 223 states and 513 transitions. [2020-10-22 01:41:19,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 01:41:19,391 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-22 01:41:19,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:41:19,392 INFO L225 Difference]: With dead ends: 223 [2020-10-22 01:41:19,392 INFO L226 Difference]: Without dead ends: 172 [2020-10-22 01:41:19,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-22 01:41:19,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-10-22 01:41:19,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2020-10-22 01:41:19,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-10-22 01:41:19,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 385 transitions. [2020-10-22 01:41:19,398 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 385 transitions. Word has length 14 [2020-10-22 01:41:19,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:41:19,398 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 385 transitions. [2020-10-22 01:41:19,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 01:41:19,399 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 385 transitions. [2020-10-22 01:41:19,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 01:41:19,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:41:19,399 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:41:19,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 01:41:19,400 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:41:19,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:41:19,400 INFO L82 PathProgramCache]: Analyzing trace with hash -2133367654, now seen corresponding path program 1 times [2020-10-22 01:41:19,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:41:19,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880643261] [2020-10-22 01:41:19,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:41:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:41:19,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:41:19,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880643261] [2020-10-22 01:41:19,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:41:19,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:41:19,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [680373243] [2020-10-22 01:41:19,461 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:41:19,466 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:41:19,497 INFO L252 McrAutomatonBuilder]: Finished intersection with 66 states and 126 transitions. [2020-10-22 01:41:19,498 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:41:19,762 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 3 [2020-10-22 01:41:20,247 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 3 [2020-10-22 01:41:20,834 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-22 01:41:21,329 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-22 01:41:21,761 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 3 [2020-10-22 01:41:22,438 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 3 [2020-10-22 01:41:22,831 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 3 [2020-10-22 01:41:22,839 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:41:22,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:41:22,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:41:22,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:41:22,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:41:22,840 INFO L87 Difference]: Start difference. First operand 172 states and 385 transitions. Second operand 3 states. [2020-10-22 01:41:22,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:41:22,870 INFO L93 Difference]: Finished difference Result 239 states and 516 transitions. [2020-10-22 01:41:22,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:41:22,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-22 01:41:22,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:41:22,873 INFO L225 Difference]: With dead ends: 239 [2020-10-22 01:41:22,873 INFO L226 Difference]: Without dead ends: 173 [2020-10-22 01:41:22,873 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 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 01:41:22,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-22 01:41:22,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 171. [2020-10-22 01:41:22,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-10-22 01:41:22,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 357 transitions. [2020-10-22 01:41:22,882 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 357 transitions. Word has length 17 [2020-10-22 01:41:22,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:41:22,883 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 357 transitions. [2020-10-22 01:41:22,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:41:22,883 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 357 transitions. [2020-10-22 01:41:22,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 01:41:22,884 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:41:22,884 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:41:22,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 01:41:22,885 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:41:22,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:41:22,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1313749606, now seen corresponding path program 1 times [2020-10-22 01:41:22,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:41:22,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694682222] [2020-10-22 01:41:22,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:41:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:41:23,093 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 01:41:23,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694682222] [2020-10-22 01:41:23,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:41:23,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 01:41:23,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [517193692] [2020-10-22 01:41:23,094 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:41:23,099 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:41:23,112 INFO L252 McrAutomatonBuilder]: Finished intersection with 28 states and 37 transitions. [2020-10-22 01:41:23,112 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:41:23,591 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-22 01:41:23,887 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 3 [2020-10-22 01:41:23,962 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [7133#(<= ~__unbuffered_cnt~0 0)] [2020-10-22 01:41:23,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 01:41:23,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:41:23,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 01:41:23,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:41:23,964 INFO L87 Difference]: Start difference. First operand 171 states and 357 transitions. Second operand 7 states. [2020-10-22 01:41:24,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:41:24,030 INFO L93 Difference]: Finished difference Result 153 states and 320 transitions. [2020-10-22 01:41:24,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 01:41:24,031 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-10-22 01:41:24,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:41:24,032 INFO L225 Difference]: With dead ends: 153 [2020-10-22 01:41:24,032 INFO L226 Difference]: Without dead ends: 93 [2020-10-22 01:41:24,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-22 01:41:24,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-22 01:41:24,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-10-22 01:41:24,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-22 01:41:24,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 185 transitions. [2020-10-22 01:41:24,036 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 185 transitions. Word has length 17 [2020-10-22 01:41:24,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:41:24,037 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 185 transitions. [2020-10-22 01:41:24,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 01:41:24,037 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 185 transitions. [2020-10-22 01:41:24,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 01:41:24,038 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:41:24,038 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 01:41:24,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 01:41:24,038 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:41:24,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:41:24,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1220311199, now seen corresponding path program 1 times [2020-10-22 01:41:24,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:41:24,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040045367] [2020-10-22 01:41:24,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:41:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:41:24,096 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 01:41:24,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040045367] [2020-10-22 01:41:24,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:41:24,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:41:24,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [502018100] [2020-10-22 01:41:24,097 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:41:24,102 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:41:24,133 INFO L252 McrAutomatonBuilder]: Finished intersection with 61 states and 102 transitions. [2020-10-22 01:41:24,133 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:41:24,571 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-22 01:41:25,294 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 3 [2020-10-22 01:41:25,656 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 3 [2020-10-22 01:41:25,921 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:41:25,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:41:25,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:41:25,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:41:25,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:41:25,923 INFO L87 Difference]: Start difference. First operand 93 states and 185 transitions. Second operand 4 states. [2020-10-22 01:41:25,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:41:25,940 INFO L93 Difference]: Finished difference Result 122 states and 238 transitions. [2020-10-22 01:41:25,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 01:41:25,941 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-22 01:41:25,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:41:25,941 INFO L225 Difference]: With dead ends: 122 [2020-10-22 01:41:25,941 INFO L226 Difference]: Without dead ends: 42 [2020-10-22 01:41:25,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 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 01:41:25,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-22 01:41:25,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-22 01:41:25,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-22 01:41:25,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 68 transitions. [2020-10-22 01:41:25,944 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 68 transitions. Word has length 20 [2020-10-22 01:41:25,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:41:25,944 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 68 transitions. [2020-10-22 01:41:25,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:41:25,945 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2020-10-22 01:41:25,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 01:41:25,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:41:25,945 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 01:41:25,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-22 01:41:25,946 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:41:25,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:41:25,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1398867431, now seen corresponding path program 2 times [2020-10-22 01:41:25,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:41:25,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628974952] [2020-10-22 01:41:25,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:41:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:41:26,425 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 01:41:26,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628974952] [2020-10-22 01:41:26,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:41:26,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-22 01:41:26,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1493767822] [2020-10-22 01:41:26,427 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:41:26,431 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:41:26,458 INFO L252 McrAutomatonBuilder]: Finished intersection with 45 states and 69 transitions. [2020-10-22 01:41:26,458 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:41:26,608 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 30 [2020-10-22 01:41:26,766 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 29 [2020-10-22 01:41:26,847 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-10-22 01:41:26,848 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:41:26,850 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-22 01:41:26,850 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:41:26,851 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-22 01:41:26,852 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:41:26,868 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:41:26,869 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 01:41:26,875 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-22 01:41:26,877 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-22 01:41:27,047 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 36 [2020-10-22 01:41:27,271 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 101 [2020-10-22 01:41:27,287 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-10-22 01:41:27,287 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:41:27,289 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-10-22 01:41:27,292 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:41:27,294 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-10-22 01:41:27,295 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:41:27,299 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 01:41:27,299 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-22 01:41:27,303 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-22 01:41:27,304 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-22 01:41:27,430 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [7702#(and (or (= ~__unbuffered_p2_EAX~0 0) (= ~__unbuffered_p1_EAX~0 ~__unbuffered_p2_EAX~0) (= ~__unbuffered_p1_EAX~0 1)) (<= 1 ~__unbuffered_cnt~0) (<= ~__unbuffered_cnt~0 1)), 7703#(and (or (= ~__unbuffered_p2_EAX~0 0) (= ~__unbuffered_p1_EAX~0 ~__unbuffered_p2_EAX~0) (= ~__unbuffered_p1_EAX~0 1)) (<= ~__unbuffered_cnt~0 0) (<= 0 ~__unbuffered_cnt~0)), 7704#(and (or (and (= ~y$r_buff1_thd2~0 0) (or (and (or (= ~y~0 1) (= ~y~0 ~__unbuffered_p2_EAX~0)) (or (= (mod ~y$r_buff1_thd3~0 256) 0) (= (mod ~y$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~y$r_buff0_thd3~0 256))) (not (= (mod ~y$w_buff0_used~0 256) 0)))) (= ~y$w_buff0~0 1)) (= ~__unbuffered_p2_EAX~0 0)) (= ~__unbuffered_cnt~0 0))] [2020-10-22 01:41:27,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-22 01:41:27,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:41:27,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-22 01:41:27,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-22 01:41:27,432 INFO L87 Difference]: Start difference. First operand 42 states and 68 transitions. Second operand 14 states. [2020-10-22 01:41:28,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:41:28,082 INFO L93 Difference]: Finished difference Result 56 states and 88 transitions. [2020-10-22 01:41:28,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-22 01:41:28,083 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 20 [2020-10-22 01:41:28,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:41:28,084 INFO L225 Difference]: With dead ends: 56 [2020-10-22 01:41:28,084 INFO L226 Difference]: Without dead ends: 34 [2020-10-22 01:41:28,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2020-10-22 01:41:28,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-22 01:41:28,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-10-22 01:41:28,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-22 01:41:28,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2020-10-22 01:41:28,087 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 20 [2020-10-22 01:41:28,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:41:28,087 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2020-10-22 01:41:28,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-22 01:41:28,087 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2020-10-22 01:41:28,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 01:41:28,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:41:28,088 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 01:41:28,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-22 01:41:28,088 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:41:28,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:41:28,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1786048999, now seen corresponding path program 3 times [2020-10-22 01:41:28,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:41:28,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142395549] [2020-10-22 01:41:28,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:41:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:41:28,145 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:41:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:41:28,213 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:41:28,271 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 01:41:28,271 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 01:41:28,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-22 01:41:28,273 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-22 01:41:28,291 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1188] [1188] L3-->L857: Formula: (let ((.cse6 (= (mod ~y$w_buff0_used~0_In-211675990 256) 0)) (.cse7 (= (mod ~y$r_buff0_thd0~0_In-211675990 256) 0)) (.cse8 (= (mod ~y$w_buff1_used~0_In-211675990 256) 0)) (.cse9 (= (mod ~y$r_buff1_thd0~0_In-211675990 256) 0))) (let ((.cse1 (or .cse8 .cse9)) (.cse2 (not .cse9)) (.cse3 (not .cse8)) (.cse4 (not .cse7)) (.cse5 (not .cse6)) (.cse0 (or .cse6 .cse7))) (and (or (and .cse0 (or (and (= ~y~0_In-211675990 ~y~0_Out-211675990) .cse1) (and .cse2 .cse3 (= ~y$w_buff1~0_In-211675990 ~y~0_Out-211675990)))) (and .cse4 .cse5 (= ~y$w_buff0~0_In-211675990 ~y~0_Out-211675990))) (= ~y$r_buff1_thd0~0_In-211675990 ~y$r_buff1_thd0~0_Out-211675990) (not (= ULTIMATE.start_assume_abort_if_not_~cond_In-211675990 0)) (or (and (= ~y$w_buff1_used~0_Out-211675990 ~y$w_buff1_used~0_In-211675990) .cse1) (and (= ~y$w_buff1_used~0_Out-211675990 0) .cse2 .cse3)) (or (and .cse4 (= 0 ~y$w_buff0_used~0_Out-211675990) .cse5) (and .cse0 (= ~y$w_buff0_used~0_In-211675990 ~y$w_buff0_used~0_Out-211675990))) (= ~y$r_buff0_thd0~0_In-211675990 ~y$r_buff0_thd0~0_Out-211675990)))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In-211675990, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-211675990, ~y$w_buff1~0=~y$w_buff1~0_In-211675990, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-211675990, ~y$w_buff0~0=~y$w_buff0~0_In-211675990, ~y~0=~y~0_In-211675990, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-211675990, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-211675990} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_Out-211675990, ULTIMATE.start_main_#t~ite64=|ULTIMATE.start_main_#t~ite64_Out-211675990|, ULTIMATE.start_main_#t~ite65=|ULTIMATE.start_main_#t~ite65_Out-211675990|, ULTIMATE.start_main_#t~ite62=|ULTIMATE.start_main_#t~ite62_Out-211675990|, ULTIMATE.start_main_#t~ite63=|ULTIMATE.start_main_#t~ite63_Out-211675990|, ULTIMATE.start_main_#t~ite60=|ULTIMATE.start_main_#t~ite60_Out-211675990|, ULTIMATE.start_main_#t~ite61=|ULTIMATE.start_main_#t~ite61_Out-211675990|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In-211675990, ~y$w_buff1~0=~y$w_buff1~0_In-211675990, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_Out-211675990, ~y$w_buff0~0=~y$w_buff0~0_In-211675990, ~y~0=~y~0_Out-211675990, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_Out-211675990, ~y$w_buff1_used~0=~y$w_buff1_used~0_Out-211675990} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite62, ULTIMATE.start_main_#t~ite63, ULTIMATE.start_main_#t~ite60, ULTIMATE.start_main_#t~ite61, ~y$w_buff0_used~0, ~y$r_buff0_thd0~0, ~y~0, ~y$r_buff1_thd0~0, ULTIMATE.start_main_#t~ite64, ULTIMATE.start_main_#t~ite65, ~y$w_buff1_used~0] because there is no mapped edge [2020-10-22 01:41:28,303 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 01:41:28,304 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [787] [2020-10-22 01:41:28,305 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 01:41:28,305 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,306 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 01:41:28,306 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,306 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 01:41:28,307 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,307 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 01:41:28,307 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,307 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 01:41:28,307 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,308 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 01:41:28,308 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,308 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 01:41:28,308 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,309 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 01:41:28,309 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,309 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 01:41:28,309 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,309 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 01:41:28,310 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,310 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 01:41:28,310 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,310 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 01:41:28,310 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,310 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 01:41:28,311 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,311 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 01:41:28,312 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,312 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 01:41:28,312 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,317 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 01:41:28,317 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,317 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 01:41:28,318 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,318 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 01:41:28,318 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,318 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 01:41:28,318 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,318 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 01:41:28,319 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,319 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 01:41:28,319 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,319 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 01:41:28,319 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,319 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 01:41:28,319 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,320 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 01:41:28,320 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,320 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 01:41:28,321 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,322 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 01:41:28,322 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,323 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 01:41:28,323 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,323 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 01:41:28,323 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,324 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 01:41:28,324 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,324 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 01:41:28,324 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-22 01:41:28,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 01:41:28 BasicIcfg [2020-10-22 01:41:28,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 01:41:28,418 INFO L168 Benchmark]: Toolchain (without parser) took 19268.66 ms. Allocated memory was 139.5 MB in the beginning and 383.3 MB in the end (delta: 243.8 MB). Free memory was 100.9 MB in the beginning and 91.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 253.2 MB. Max. memory is 7.1 GB. [2020-10-22 01:41:28,419 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-22 01:41:28,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.34 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 100.1 MB in the beginning and 151.9 MB in the end (delta: -51.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2020-10-22 01:41:28,422 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.20 ms. Allocated memory is still 202.4 MB. Free memory was 151.9 MB in the beginning and 149.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-22 01:41:28,423 INFO L168 Benchmark]: Boogie Preprocessor took 54.01 ms. Allocated memory is still 202.4 MB. Free memory was 149.2 MB in the beginning and 146.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-22 01:41:28,423 INFO L168 Benchmark]: RCFGBuilder took 3035.75 ms. Allocated memory was 202.4 MB in the beginning and 248.5 MB in the end (delta: 46.1 MB). Free memory was 146.4 MB in the beginning and 113.2 MB in the end (delta: 33.2 MB). Peak memory consumption was 100.8 MB. Max. memory is 7.1 GB. [2020-10-22 01:41:28,427 INFO L168 Benchmark]: TraceAbstraction took 15338.24 ms. Allocated memory was 248.5 MB in the beginning and 383.3 MB in the end (delta: 134.7 MB). Free memory was 111.4 MB in the beginning and 91.5 MB in the end (delta: 19.8 MB). Peak memory consumption was 154.6 MB. Max. memory is 7.1 GB. [2020-10-22 01:41:28,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 756.34 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 100.1 MB in the beginning and 151.9 MB in the end (delta: -51.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 74.20 ms. Allocated memory is still 202.4 MB. Free memory was 151.9 MB in the beginning and 149.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.01 ms. Allocated memory is still 202.4 MB. Free memory was 149.2 MB in the beginning and 146.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3035.75 ms. Allocated memory was 202.4 MB in the beginning and 248.5 MB in the end (delta: 46.1 MB). Free memory was 146.4 MB in the beginning and 113.2 MB in the end (delta: 33.2 MB). Peak memory consumption was 100.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15338.24 ms. Allocated memory was 248.5 MB in the beginning and 383.3 MB in the end (delta: 134.7 MB). Free memory was 111.4 MB in the beginning and 91.5 MB in the end (delta: 19.8 MB). Peak memory consumption was 154.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 938 VarBasedMoverChecksPositive, 39 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 71 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.8s, 109 PlacesBefore, 35 PlacesAfterwards, 102 TransitionsBefore, 25 TransitionsAfterwards, 1734 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 3 ChoiceCompositions, 92 TotalNumberOfCompositions, 4281 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L722] 0 _Bool y$flush_delayed; [L723] 0 int y$mem_tmp; [L724] 0 _Bool y$r_buff0_thd0; [L725] 0 _Bool y$r_buff0_thd1; [L726] 0 _Bool y$r_buff0_thd2; [L727] 0 _Bool y$r_buff0_thd3; [L728] 0 _Bool y$r_buff1_thd0; [L729] 0 _Bool y$r_buff1_thd1; [L730] 0 _Bool y$r_buff1_thd2; [L731] 0 _Bool y$r_buff1_thd3; [L732] 0 _Bool y$read_delayed; [L733] 0 int *y$read_delayed_var; [L734] 0 int y$w_buff0; [L735] 0 _Bool y$w_buff0_used; [L736] 0 int y$w_buff1; [L737] 0 _Bool y$w_buff1_used; [L739] 0 int z = 0; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L841] 0 pthread_t t518; [L842] FCALL, FORK 0 pthread_create(&t518, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L843] 0 pthread_t t519; [L844] FCALL, FORK 0 pthread_create(&t519, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L845] 0 pthread_t t520; [L846] FCALL, FORK 0 pthread_create(&t520, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L788] 3 y$w_buff1 = y$w_buff0 [L789] 3 y$w_buff0 = 1 [L790] 3 y$w_buff1_used = y$w_buff0_used [L791] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L793] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L794] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L795] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L796] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L797] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L800] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L801] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L802] 3 y$flush_delayed = weak$$choice2 [L803] 3 y$mem_tmp = y [L804] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L804] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L805] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L805] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0) [L805] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L805] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L806] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L806] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L807] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L807] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L808] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L808] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L809] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3) [L809] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L809] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L810] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L810] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0 [L810] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L810] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] 3 __unbuffered_p2_EAX = y [L812] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L812] 3 y = y$flush_delayed ? y$mem_tmp : y [L813] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L816] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L745] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L748] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L755] 1 return 0; [L760] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L763] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L764] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L765] 2 y$flush_delayed = weak$$choice2 [L766] 2 y$mem_tmp = y [L767] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L767] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1 [L767] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L767] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L768] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L768] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L769] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L769] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L770] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L770] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L770] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L770] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L770] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L770] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L771] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L771] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L772] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L772] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L773] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L773] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L774] 2 __unbuffered_p1_EAX = y [L775] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L775] 2 y = y$flush_delayed ? y$mem_tmp : y [L776] 2 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L781] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L783] 2 return 0; [L819] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L819] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L820] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L820] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L821] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L821] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L822] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L822] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L823] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L823] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L826] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L828] 3 return 0; [L848] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L859] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix019_tso.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 100 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 15.0s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, HoareTripleCheckerStatistics: 191 SDtfs, 238 SDslu, 325 SDs, 0 SdLazy, 283 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 97 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=602occurred 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: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 11140 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...