/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/goblint-regression/28-race_reach_86-lists_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 02:45:47,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 02:45:47,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 02:45:47,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 02:45:47,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 02:45:47,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 02:45:47,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 02:45:47,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 02:45:47,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 02:45:47,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 02:45:47,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 02:45:47,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 02:45:47,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 02:45:47,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 02:45:47,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 02:45:47,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 02:45:47,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 02:45:47,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 02:45:47,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 02:45:47,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 02:45:47,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 02:45:47,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 02:45:47,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 02:45:47,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 02:45:47,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 02:45:47,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 02:45:47,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 02:45:47,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 02:45:47,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 02:45:47,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 02:45:47,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 02:45:47,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 02:45:47,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 02:45:47,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 02:45:47,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 02:45:47,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 02:45:47,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 02:45:47,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 02:45:47,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 02:45:47,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 02:45:47,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 02:45:47,846 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 02:45:47,868 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 02:45:47,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 02:45:47,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 02:45:47,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 02:45:47,870 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 02:45:47,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 02:45:47,871 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 02:45:47,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 02:45:47,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 02:45:47,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 02:45:47,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 02:45:47,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 02:45:47,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 02:45:47,872 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 02:45:47,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 02:45:47,872 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 02:45:47,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 02:45:47,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 02:45:47,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 02:45:47,873 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 02:45:47,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 02:45:47,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:45:47,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 02:45:47,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 02:45:47,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 02:45:47,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 02:45:47,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 02:45:47,875 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 02:45:47,875 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 02:45:47,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 02:45:47,875 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 02:45:48,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 02:45:48,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 02:45:48,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 02:45:48,192 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 02:45:48,192 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 02:45:48,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_86-lists_racing.i [2020-10-22 02:45:48,251 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fea568f8/a51562accb804e52b054bd0e3457fb26/FLAGc988bd07b [2020-10-22 02:45:48,836 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 02:45:48,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_86-lists_racing.i [2020-10-22 02:45:48,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fea568f8/a51562accb804e52b054bd0e3457fb26/FLAGc988bd07b [2020-10-22 02:45:48,992 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fea568f8/a51562accb804e52b054bd0e3457fb26 [2020-10-22 02:45:49,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 02:45:49,007 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 02:45:49,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 02:45:49,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 02:45:49,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 02:45:49,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:45:48" (1/1) ... [2020-10-22 02:45:49,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf50193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:45:49, skipping insertion in model container [2020-10-22 02:45:49,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:45:48" (1/1) ... [2020-10-22 02:45:49,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 02:45:49,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 02:45:49,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:45:49,776 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 02:45:49,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:45:50,005 INFO L208 MainTranslator]: Completed translation [2020-10-22 02:45:50,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:45:50 WrapperNode [2020-10-22 02:45:50,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 02:45:50,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 02:45:50,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 02:45:50,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 02:45:50,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:45:50" (1/1) ... [2020-10-22 02:45:50,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:45:50" (1/1) ... [2020-10-22 02:45:50,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 02:45:50,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 02:45:50,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 02:45:50,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 02:45:50,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:45:50" (1/1) ... [2020-10-22 02:45:50,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:45:50" (1/1) ... [2020-10-22 02:45:50,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:45:50" (1/1) ... [2020-10-22 02:45:50,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:45:50" (1/1) ... [2020-10-22 02:45:50,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:45:50" (1/1) ... [2020-10-22 02:45:50,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:45:50" (1/1) ... [2020-10-22 02:45:50,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:45:50" (1/1) ... [2020-10-22 02:45:50,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 02:45:50,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 02:45:50,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 02:45:50,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 02:45:50,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:45:50" (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 02:45:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 02:45:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-22 02:45:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2020-10-22 02:45:50,249 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2020-10-22 02:45:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 02:45:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 02:45:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2020-10-22 02:45:50,250 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2020-10-22 02:45:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 02:45:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 02:45:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-22 02:45:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-22 02:45:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 02:45:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 02:45:50,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 02:45:50,254 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 02:45:51,076 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 02:45:51,076 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-10-22 02:45:51,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:45:51 BoogieIcfgContainer [2020-10-22 02:45:51,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 02:45:51,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 02:45:51,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 02:45:51,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 02:45:51,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 02:45:48" (1/3) ... [2020-10-22 02:45:51,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e96f813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:45:51, skipping insertion in model container [2020-10-22 02:45:51,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:45:50" (2/3) ... [2020-10-22 02:45:51,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e96f813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:45:51, skipping insertion in model container [2020-10-22 02:45:51,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:45:51" (3/3) ... [2020-10-22 02:45:51,092 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_86-lists_racing.i [2020-10-22 02:45:51,109 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 02:45:51,111 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 02:45:51,119 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 02:45:51,119 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 02:45:51,161 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,161 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,161 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,162 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,162 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,162 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,163 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,163 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,163 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,164 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,164 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,164 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,164 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,165 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem17.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,165 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem17.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,165 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem17.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,165 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem17.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,165 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,166 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,166 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,166 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,166 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,166 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,167 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,167 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,167 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,167 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,167 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,168 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,168 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,168 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,168 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,168 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,168 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,169 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,169 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,169 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,169 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,170 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,170 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,170 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,170 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,171 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,171 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,171 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,171 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,171 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,172 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,172 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,172 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,172 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,172 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,173 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,173 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,173 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,173 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,173 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,174 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret18.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,174 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret18.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,174 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,174 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,174 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,175 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret18.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,175 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret18.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,175 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,175 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,175 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,176 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,176 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,176 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,176 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret18.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,176 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret18.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,177 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,177 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,177 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,177 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,178 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem17.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,178 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem17.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,178 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,178 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,178 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,179 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,179 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,179 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,179 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,179 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,180 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,180 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,180 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,180 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,180 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,181 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,181 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,181 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,181 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,182 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,182 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,182 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,182 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,183 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,183 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,183 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,183 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,184 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,184 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,184 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,184 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,185 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,185 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,185 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,185 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,185 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,185 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,186 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,186 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,186 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,186 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,187 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,187 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,187 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,187 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,187 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,187 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,188 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,188 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,188 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,188 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,189 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,189 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,189 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,189 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,189 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,190 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,190 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,190 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,190 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,191 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,191 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,191 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,191 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,192 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,192 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,193 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,193 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,193 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,193 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,194 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~malloc12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,194 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~malloc12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,194 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~malloc12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,194 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~malloc12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,195 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,195 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,195 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,195 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,195 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,195 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,196 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,196 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,196 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,196 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,196 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,197 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,197 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,197 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,197 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,198 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,198 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,198 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,198 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,198 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,199 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,199 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,199 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,199 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,199 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,200 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,200 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,200 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,200 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~node.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,200 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,200 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~node.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,201 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,201 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,201 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,201 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,202 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,202 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,202 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,202 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,202 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,202 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~node.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,203 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~node.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,203 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,203 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,203 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,203 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,203 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,204 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,204 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,204 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,204 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,205 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,205 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,205 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,205 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,205 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,206 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,206 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,206 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,206 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,206 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,206 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,207 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,207 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,207 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,207 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,208 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,208 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,208 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,208 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,209 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,209 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,212 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,213 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,213 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,213 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,213 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,214 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,214 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret18.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,214 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,214 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,215 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,215 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,215 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,215 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,215 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,216 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,216 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,216 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,216 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,216 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem17.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,217 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,217 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,217 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,217 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,217 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,218 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,218 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,218 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,218 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,218 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,219 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,219 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,219 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,219 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,219 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,220 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,220 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,220 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem17.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,220 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,220 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~ret18.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,221 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,221 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,221 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_take_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,221 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_take_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,228 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,228 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,228 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,229 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,229 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~malloc12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,229 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~malloc12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,229 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,229 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,230 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,230 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,230 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,230 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,230 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,231 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,231 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,231 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,231 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem14.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,231 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~node.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,232 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,232 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,232 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_insert_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,232 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,232 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~node.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,233 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,233 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,233 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~node.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,233 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_insert_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,233 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,234 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:45:51,245 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-22 02:45:51,259 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-22 02:45:51,281 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:45:51,281 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:45:51,281 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:45:51,281 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:45:51,281 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:45:51,282 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:45:51,282 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:45:51,282 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:45:51,300 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:45:51,301 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 198 places, 219 transitions, 460 flow [2020-10-22 02:45:51,304 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 198 places, 219 transitions, 460 flow [2020-10-22 02:45:51,306 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 198 places, 219 transitions, 460 flow [2020-10-22 02:45:51,482 INFO L129 PetriNetUnfolder]: 56/412 cut-off events. [2020-10-22 02:45:51,482 INFO L130 PetriNetUnfolder]: For 8/16 co-relation queries the response was YES. [2020-10-22 02:45:51,500 INFO L80 FinitePrefix]: Finished finitePrefix Result has 432 conditions, 412 events. 56/412 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1689 event pairs, 0 based on Foata normal form. 0/346 useless extension candidates. Maximal degree in co-relation 202. Up to 8 conditions per place. [2020-10-22 02:45:51,516 INFO L116 LiptonReduction]: Number of co-enabled transitions 14940 [2020-10-22 02:45:54,309 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 02:45:54,343 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:45:54,347 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 02:45:54,371 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:45:54,373 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-22 02:45:54,374 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:91, output treesize:67 [2020-10-22 02:45:55,395 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-22 02:45:55,500 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 02:45:55,543 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:45:55,545 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-22 02:45:55,545 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:145, output treesize:149 [2020-10-22 02:45:55,966 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-10-22 02:45:56,196 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-22 02:45:56,317 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-22 02:45:56,863 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 129 [2020-10-22 02:45:57,143 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-22 02:45:57,173 INFO L131 LiptonReduction]: Checked pairs total: 23285 [2020-10-22 02:45:57,173 INFO L133 LiptonReduction]: Total number of compositions: 173 [2020-10-22 02:45:57,179 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57 places, 71 transitions, 164 flow [2020-10-22 02:45:57,322 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2798 states. [2020-10-22 02:45:57,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states. [2020-10-22 02:45:57,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-22 02:45:57,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:45:57,333 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2020-10-22 02:45:57,333 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:45:57,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:45:57,339 INFO L82 PathProgramCache]: Analyzing trace with hash -236331958, now seen corresponding path program 1 times [2020-10-22 02:45:57,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:45:57,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212692428] [2020-10-22 02:45:57,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:45:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:45:57,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:45:57,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212692428] [2020-10-22 02:45:57,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:45:57,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:45:57,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [774552228] [2020-10-22 02:45:57,560 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:45:57,563 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:45:57,585 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-22 02:45:57,585 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:45:57,590 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:45:57,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:45:57,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:45:57,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:45:57,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:45:57,610 INFO L87 Difference]: Start difference. First operand 2798 states. Second operand 3 states. [2020-10-22 02:45:57,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:45:57,703 INFO L93 Difference]: Finished difference Result 2685 states and 7259 transitions. [2020-10-22 02:45:57,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:45:57,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-22 02:45:57,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:45:57,747 INFO L225 Difference]: With dead ends: 2685 [2020-10-22 02:45:57,748 INFO L226 Difference]: Without dead ends: 1665 [2020-10-22 02:45:57,749 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:45:57,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2020-10-22 02:45:57,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1665. [2020-10-22 02:45:57,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1665 states. [2020-10-22 02:45:57,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 4417 transitions. [2020-10-22 02:45:57,921 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 4417 transitions. Word has length 7 [2020-10-22 02:45:57,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:45:57,921 INFO L481 AbstractCegarLoop]: Abstraction has 1665 states and 4417 transitions. [2020-10-22 02:45:57,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:45:57,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 4417 transitions. [2020-10-22 02:45:57,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 02:45:57,923 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:45:57,924 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-22 02:45:57,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 02:45:57,925 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:45:57,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:45:57,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1719934395, now seen corresponding path program 1 times [2020-10-22 02:45:57,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:45:57,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116437455] [2020-10-22 02:45:57,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:45:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:45:58,088 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:45:58,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116437455] [2020-10-22 02:45:58,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926020137] [2020-10-22 02:45:58,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:45:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:45:58,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 02:45:58,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:45:58,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:45:58,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:45:58,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-10-22 02:45:58,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [880845509] [2020-10-22 02:45:58,247 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:45:58,249 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:45:58,252 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-10-22 02:45:58,252 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:45:58,252 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:45:58,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:45:58,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:45:58,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:45:58,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:45:58,254 INFO L87 Difference]: Start difference. First operand 1665 states and 4417 transitions. Second operand 4 states. [2020-10-22 02:45:58,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:45:58,297 INFO L93 Difference]: Finished difference Result 1666 states and 4418 transitions. [2020-10-22 02:45:58,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:45:58,298 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-22 02:45:58,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:45:58,310 INFO L225 Difference]: With dead ends: 1666 [2020-10-22 02:45:58,310 INFO L226 Difference]: Without dead ends: 1666 [2020-10-22 02:45:58,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:45:58,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2020-10-22 02:45:58,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1666. [2020-10-22 02:45:58,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1666 states. [2020-10-22 02:45:58,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 4418 transitions. [2020-10-22 02:45:58,366 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 4418 transitions. Word has length 8 [2020-10-22 02:45:58,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:45:58,367 INFO L481 AbstractCegarLoop]: Abstraction has 1666 states and 4418 transitions. [2020-10-22 02:45:58,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:45:58,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 4418 transitions. [2020-10-22 02:45:58,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 02:45:58,368 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:45:58,368 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2020-10-22 02:45:58,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-10-22 02:45:58,583 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:45:58,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:45:58,583 INFO L82 PathProgramCache]: Analyzing trace with hash -2060318102, now seen corresponding path program 2 times [2020-10-22 02:45:58,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:45:58,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423370982] [2020-10-22 02:45:58,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:45:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:45:58,668 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:45:58,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423370982] [2020-10-22 02:45:58,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289229888] [2020-10-22 02:45:58,669 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:45:58,784 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-22 02:45:58,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 02:45:58,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-22 02:45:58,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:45:58,798 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:45:58,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:45:58,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-22 02:45:58,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1080394504] [2020-10-22 02:45:58,799 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:45:58,801 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:45:58,802 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-22 02:45:58,803 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:45:58,803 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:45:58,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:45:58,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:45:58,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:45:58,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:45:58,804 INFO L87 Difference]: Start difference. First operand 1666 states and 4418 transitions. Second operand 5 states. [2020-10-22 02:45:58,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:45:58,858 INFO L93 Difference]: Finished difference Result 1667 states and 4419 transitions. [2020-10-22 02:45:58,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:45:58,859 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-10-22 02:45:58,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:45:58,870 INFO L225 Difference]: With dead ends: 1667 [2020-10-22 02:45:58,871 INFO L226 Difference]: Without dead ends: 1667 [2020-10-22 02:45:58,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:45:58,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2020-10-22 02:45:58,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1667. [2020-10-22 02:45:58,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1667 states. [2020-10-22 02:45:58,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 4419 transitions. [2020-10-22 02:45:58,927 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 4419 transitions. Word has length 9 [2020-10-22 02:45:58,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:45:58,927 INFO L481 AbstractCegarLoop]: Abstraction has 1667 states and 4419 transitions. [2020-10-22 02:45:58,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:45:58,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 4419 transitions. [2020-10-22 02:45:58,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 02:45:58,928 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:45:58,929 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1] [2020-10-22 02:45:59,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:45:59,145 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:45:59,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:45:59,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1010938779, now seen corresponding path program 3 times [2020-10-22 02:45:59,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:45:59,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471652487] [2020-10-22 02:45:59,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:45:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:45:59,291 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:45:59,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471652487] [2020-10-22 02:45:59,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591377687] [2020-10-22 02:45:59,292 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:45:59,601 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-10-22 02:45:59,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 02:45:59,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-22 02:45:59,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:45:59,617 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:45:59,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:45:59,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2020-10-22 02:45:59,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1357298317] [2020-10-22 02:45:59,618 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:45:59,620 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:45:59,622 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 02:45:59,622 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:45:59,622 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:45:59,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 02:45:59,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:45:59,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 02:45:59,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-22 02:45:59,623 INFO L87 Difference]: Start difference. First operand 1667 states and 4419 transitions. Second operand 6 states. [2020-10-22 02:45:59,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:45:59,669 INFO L93 Difference]: Finished difference Result 1668 states and 4420 transitions. [2020-10-22 02:45:59,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:45:59,670 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-10-22 02:45:59,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:45:59,680 INFO L225 Difference]: With dead ends: 1668 [2020-10-22 02:45:59,680 INFO L226 Difference]: Without dead ends: 1668 [2020-10-22 02:45:59,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-22 02:45:59,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2020-10-22 02:45:59,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2020-10-22 02:45:59,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1668 states. [2020-10-22 02:45:59,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 4420 transitions. [2020-10-22 02:45:59,726 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 4420 transitions. Word has length 10 [2020-10-22 02:45:59,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:45:59,726 INFO L481 AbstractCegarLoop]: Abstraction has 1668 states and 4420 transitions. [2020-10-22 02:45:59,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 02:45:59,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 4420 transitions. [2020-10-22 02:45:59,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 02:45:59,727 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:45:59,727 INFO L422 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1] [2020-10-22 02:45:59,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:45:59,941 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:45:59,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:45:59,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1730621578, now seen corresponding path program 4 times [2020-10-22 02:45:59,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:45:59,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139034026] [2020-10-22 02:45:59,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:45:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:46:00,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:46:00,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139034026] [2020-10-22 02:46:00,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57585469] [2020-10-22 02:46:00,016 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:46:00,109 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-22 02:46:00,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 02:46:00,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-22 02:46:00,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:46:00,124 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:46:00,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:46:00,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-10-22 02:46:00,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1461456920] [2020-10-22 02:46:00,125 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:46:00,127 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:46:00,129 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-22 02:46:00,130 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:46:00,130 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:46:00,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 02:46:00,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:46:00,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 02:46:00,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:46:00,131 INFO L87 Difference]: Start difference. First operand 1668 states and 4420 transitions. Second operand 7 states. [2020-10-22 02:46:00,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:46:00,171 INFO L93 Difference]: Finished difference Result 1669 states and 4421 transitions. [2020-10-22 02:46:00,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 02:46:00,172 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2020-10-22 02:46:00,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:46:00,183 INFO L225 Difference]: With dead ends: 1669 [2020-10-22 02:46:00,183 INFO L226 Difference]: Without dead ends: 1669 [2020-10-22 02:46:00,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:46:00,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2020-10-22 02:46:00,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669. [2020-10-22 02:46:00,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1669 states. [2020-10-22 02:46:00,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 4421 transitions. [2020-10-22 02:46:00,233 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 4421 transitions. Word has length 11 [2020-10-22 02:46:00,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:46:00,234 INFO L481 AbstractCegarLoop]: Abstraction has 1669 states and 4421 transitions. [2020-10-22 02:46:00,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 02:46:00,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 4421 transitions. [2020-10-22 02:46:00,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 02:46:00,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:46:00,235 INFO L422 BasicCegarLoop]: trace histogram [5, 2, 1, 1, 1, 1, 1] [2020-10-22 02:46:00,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:46:00,449 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:46:00,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:46:00,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1729015429, now seen corresponding path program 5 times [2020-10-22 02:46:00,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:46:00,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806165453] [2020-10-22 02:46:00,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:46:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:46:00,559 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:46:00,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806165453] [2020-10-22 02:46:00,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887631786] [2020-10-22 02:46:00,559 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:46:26,234 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-10-22 02:46:26,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 02:46:26,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-22 02:46:26,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:46:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:46:26,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:46:26,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2020-10-22 02:46:26,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [583454231] [2020-10-22 02:46:26,405 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:46:26,408 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:46:26,412 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-10-22 02:46:26,412 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:46:26,413 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:46:26,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-22 02:46:26,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:46:26,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-22 02:46:26,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-22 02:46:26,415 INFO L87 Difference]: Start difference. First operand 1669 states and 4421 transitions. Second operand 8 states. [2020-10-22 02:46:26,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:46:26,458 INFO L93 Difference]: Finished difference Result 1670 states and 4422 transitions. [2020-10-22 02:46:26,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-22 02:46:26,459 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-10-22 02:46:26,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:46:26,469 INFO L225 Difference]: With dead ends: 1670 [2020-10-22 02:46:26,470 INFO L226 Difference]: Without dead ends: 1670 [2020-10-22 02:46:26,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-22 02:46:26,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2020-10-22 02:46:26,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1670. [2020-10-22 02:46:26,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1670 states. [2020-10-22 02:46:26,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 4422 transitions. [2020-10-22 02:46:26,515 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 4422 transitions. Word has length 12 [2020-10-22 02:46:26,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:46:26,515 INFO L481 AbstractCegarLoop]: Abstraction has 1670 states and 4422 transitions. [2020-10-22 02:46:26,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-22 02:46:26,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 4422 transitions. [2020-10-22 02:46:26,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 02:46:26,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:46:26,516 INFO L422 BasicCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1] [2020-10-22 02:46:26,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-22 02:46:26,717 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:46:26,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:46:26,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1603580246, now seen corresponding path program 6 times [2020-10-22 02:46:26,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:46:26,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104057433] [2020-10-22 02:46:26,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:46:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:46:26,883 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:46:26,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104057433] [2020-10-22 02:46:26,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554254651] [2020-10-22 02:46:26,884 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:46:29,566 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2020-10-22 02:46:29,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 02:46:29,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-22 02:46:29,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:46:29,601 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:46:29,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:46:29,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2020-10-22 02:46:29,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1801208950] [2020-10-22 02:46:29,602 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:46:29,606 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:46:29,611 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-10-22 02:46:29,611 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:46:29,611 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:46:29,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-22 02:46:29,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:46:29,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-22 02:46:29,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-10-22 02:46:29,612 INFO L87 Difference]: Start difference. First operand 1670 states and 4422 transitions. Second operand 9 states. [2020-10-22 02:46:29,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:46:29,666 INFO L93 Difference]: Finished difference Result 1671 states and 4423 transitions. [2020-10-22 02:46:29,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-22 02:46:29,667 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2020-10-22 02:46:29,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:46:29,677 INFO L225 Difference]: With dead ends: 1671 [2020-10-22 02:46:29,678 INFO L226 Difference]: Without dead ends: 1671 [2020-10-22 02:46:29,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-10-22 02:46:29,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2020-10-22 02:46:29,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1671. [2020-10-22 02:46:29,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1671 states. [2020-10-22 02:46:29,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 4423 transitions. [2020-10-22 02:46:29,722 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 4423 transitions. Word has length 13 [2020-10-22 02:46:29,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:46:29,722 INFO L481 AbstractCegarLoop]: Abstraction has 1671 states and 4423 transitions. [2020-10-22 02:46:29,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-22 02:46:29,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 4423 transitions. [2020-10-22 02:46:29,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 02:46:29,724 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:46:29,724 INFO L422 BasicCegarLoop]: trace histogram [7, 2, 1, 1, 1, 1, 1] [2020-10-22 02:46:29,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:46:29,939 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:46:29,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:46:29,939 INFO L82 PathProgramCache]: Analyzing trace with hash -2010056869, now seen corresponding path program 7 times [2020-10-22 02:46:29,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:46:29,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746935336] [2020-10-22 02:46:29,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:46:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:46:30,130 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:46:30,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746935336] [2020-10-22 02:46:30,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134034804] [2020-10-22 02:46:30,132 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:46:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:46:30,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-22 02:46:30,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:46:30,291 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:46:30,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:46:30,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2020-10-22 02:46:30,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1740173424] [2020-10-22 02:46:30,292 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:46:30,297 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:46:30,303 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-22 02:46:30,303 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:46:30,304 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:46:30,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-22 02:46:30,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:46:30,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-22 02:46:30,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-22 02:46:30,305 INFO L87 Difference]: Start difference. First operand 1671 states and 4423 transitions. Second operand 10 states. [2020-10-22 02:46:30,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:46:30,372 INFO L93 Difference]: Finished difference Result 1672 states and 4424 transitions. [2020-10-22 02:46:30,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-22 02:46:30,373 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2020-10-22 02:46:30,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:46:30,386 INFO L225 Difference]: With dead ends: 1672 [2020-10-22 02:46:30,386 INFO L226 Difference]: Without dead ends: 1672 [2020-10-22 02:46:30,387 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-22 02:46:30,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-10-22 02:46:30,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2020-10-22 02:46:30,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2020-10-22 02:46:30,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 4424 transitions. [2020-10-22 02:46:30,439 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 4424 transitions. Word has length 14 [2020-10-22 02:46:30,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:46:30,439 INFO L481 AbstractCegarLoop]: Abstraction has 1672 states and 4424 transitions. [2020-10-22 02:46:30,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-22 02:46:30,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 4424 transitions. [2020-10-22 02:46:30,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-22 02:46:30,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:46:30,440 INFO L422 BasicCegarLoop]: trace histogram [8, 2, 1, 1, 1, 1, 1] [2020-10-22 02:46:30,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:46:30,653 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:46:30,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:46:30,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1725930294, now seen corresponding path program 8 times [2020-10-22 02:46:30,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:46:30,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664713148] [2020-10-22 02:46:30,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:46:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:46:30,817 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:46:30,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664713148] [2020-10-22 02:46:30,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509747546] [2020-10-22 02:46:30,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:46:30,932 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-22 02:46:30,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 02:46:30,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-22 02:46:30,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:46:30,953 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:46:30,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:46:30,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2020-10-22 02:46:30,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2118937896] [2020-10-22 02:46:30,954 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:46:30,958 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:46:30,963 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-10-22 02:46:30,964 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:46:30,964 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:46:30,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-22 02:46:30,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:46:30,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-22 02:46:30,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-10-22 02:46:30,965 INFO L87 Difference]: Start difference. First operand 1672 states and 4424 transitions. Second operand 11 states. [2020-10-22 02:46:31,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:46:31,027 INFO L93 Difference]: Finished difference Result 1673 states and 4425 transitions. [2020-10-22 02:46:31,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-22 02:46:31,027 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-22 02:46:31,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:46:31,037 INFO L225 Difference]: With dead ends: 1673 [2020-10-22 02:46:31,037 INFO L226 Difference]: Without dead ends: 1673 [2020-10-22 02:46:31,038 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-10-22 02:46:31,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2020-10-22 02:46:31,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1673. [2020-10-22 02:46:31,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1673 states. [2020-10-22 02:46:31,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 4425 transitions. [2020-10-22 02:46:31,133 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 4425 transitions. Word has length 15 [2020-10-22 02:46:31,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:46:31,134 INFO L481 AbstractCegarLoop]: Abstraction has 1673 states and 4425 transitions. [2020-10-22 02:46:31,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-22 02:46:31,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 4425 transitions. [2020-10-22 02:46:31,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-22 02:46:31,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:46:31,136 INFO L422 BasicCegarLoop]: trace histogram [9, 2, 1, 1, 1, 1, 1] [2020-10-22 02:46:31,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-10-22 02:46:31,352 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:46:31,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:46:31,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1507941061, now seen corresponding path program 9 times [2020-10-22 02:46:31,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:46:31,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034778026] [2020-10-22 02:46:31,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:46:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:46:31,526 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:46:31,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034778026] [2020-10-22 02:46:31,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260504528] [2020-10-22 02:46:31,528 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:47:13,656 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2020-10-22 02:47:13,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 02:47:13,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-22 02:47:13,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:47:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:47:13,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:47:13,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2020-10-22 02:47:13,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [36267427] [2020-10-22 02:47:13,890 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:47:13,894 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:47:13,901 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 16 transitions. [2020-10-22 02:47:13,901 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:47:13,902 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:47:13,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-22 02:47:13,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:47:13,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-22 02:47:13,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-10-22 02:47:13,903 INFO L87 Difference]: Start difference. First operand 1673 states and 4425 transitions. Second operand 12 states. [2020-10-22 02:47:13,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:47:13,971 INFO L93 Difference]: Finished difference Result 1674 states and 4426 transitions. [2020-10-22 02:47:13,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-22 02:47:13,972 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 16 [2020-10-22 02:47:13,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:47:13,994 INFO L225 Difference]: With dead ends: 1674 [2020-10-22 02:47:13,994 INFO L226 Difference]: Without dead ends: 1674 [2020-10-22 02:47:13,995 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-10-22 02:47:14,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2020-10-22 02:47:14,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1674. [2020-10-22 02:47:14,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1674 states. [2020-10-22 02:47:14,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1674 states and 4426 transitions. [2020-10-22 02:47:14,034 INFO L78 Accepts]: Start accepts. Automaton has 1674 states and 4426 transitions. Word has length 16 [2020-10-22 02:47:14,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:47:14,035 INFO L481 AbstractCegarLoop]: Abstraction has 1674 states and 4426 transitions. [2020-10-22 02:47:14,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-22 02:47:14,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 4426 transitions. [2020-10-22 02:47:14,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 02:47:14,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:47:14,041 INFO L422 BasicCegarLoop]: trace histogram [10, 2, 1, 1, 1, 1, 1] [2020-10-22 02:47:14,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:47:14,242 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:47:14,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:47:14,242 INFO L82 PathProgramCache]: Analyzing trace with hash 954757866, now seen corresponding path program 10 times [2020-10-22 02:47:14,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:47:14,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895704629] [2020-10-22 02:47:14,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:47:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:47:14,420 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:47:14,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895704629] [2020-10-22 02:47:14,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263914652] [2020-10-22 02:47:14,421 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:47:14,544 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-22 02:47:14,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 02:47:14,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-22 02:47:14,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:47:14,576 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:47:14,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:47:14,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2020-10-22 02:47:14,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1603902008] [2020-10-22 02:47:14,577 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:47:14,582 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:47:14,590 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 17 transitions. [2020-10-22 02:47:14,590 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:47:14,591 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:47:14,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-22 02:47:14,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:47:14,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-22 02:47:14,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-10-22 02:47:14,592 INFO L87 Difference]: Start difference. First operand 1674 states and 4426 transitions. Second operand 13 states. [2020-10-22 02:47:14,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:47:14,658 INFO L93 Difference]: Finished difference Result 1675 states and 4427 transitions. [2020-10-22 02:47:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-22 02:47:14,659 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 17 [2020-10-22 02:47:14,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:47:14,666 INFO L225 Difference]: With dead ends: 1675 [2020-10-22 02:47:14,666 INFO L226 Difference]: Without dead ends: 1675 [2020-10-22 02:47:14,667 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-10-22 02:47:14,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2020-10-22 02:47:14,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1675. [2020-10-22 02:47:14,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1675 states. [2020-10-22 02:47:14,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 4427 transitions. [2020-10-22 02:47:14,707 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 4427 transitions. Word has length 17 [2020-10-22 02:47:14,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:47:14,708 INFO L481 AbstractCegarLoop]: Abstraction has 1675 states and 4427 transitions. [2020-10-22 02:47:14,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-22 02:47:14,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 4427 transitions. [2020-10-22 02:47:14,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-22 02:47:14,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:47:14,709 INFO L422 BasicCegarLoop]: trace histogram [11, 2, 1, 1, 1, 1, 1] [2020-10-22 02:47:14,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:47:14,924 INFO L429 AbstractCegarLoop]: === Iteration 12 === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:47:14,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:47:14,924 INFO L82 PathProgramCache]: Analyzing trace with hash -10986725, now seen corresponding path program 11 times [2020-10-22 02:47:14,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:47:14,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672806015] [2020-10-22 02:47:14,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:47:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:47:15,085 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:47:15,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672806015] [2020-10-22 02:47:15,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522313621] [2020-10-22 02:47:15,086 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown