/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread/stack_longest-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 01:18:39,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 01:18:39,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 01:18:39,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 01:18:39,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 01:18:39,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 01:18:39,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 01:18:39,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 01:18:39,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 01:18:39,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 01:18:39,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 01:18:39,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 01:18:39,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 01:18:39,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 01:18:39,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 01:18:39,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 01:18:39,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 01:18:39,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 01:18:39,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 01:18:39,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 01:18:39,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 01:18:39,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 01:18:39,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 01:18:39,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 01:18:39,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 01:18:39,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 01:18:39,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 01:18:39,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 01:18:39,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 01:18:39,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 01:18:39,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 01:18:39,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 01:18:39,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 01:18:39,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 01:18:39,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 01:18:39,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 01:18:39,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 01:18:39,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 01:18:39,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 01:18:39,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 01:18:39,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 01:18:39,979 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 01:18:40,002 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 01:18:40,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 01:18:40,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 01:18:40,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 01:18:40,004 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 01:18:40,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 01:18:40,004 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 01:18:40,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 01:18:40,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 01:18:40,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 01:18:40,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 01:18:40,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 01:18:40,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 01:18:40,005 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 01:18:40,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 01:18:40,006 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 01:18:40,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 01:18:40,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 01:18:40,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 01:18:40,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 01:18:40,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 01:18:40,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:18:40,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 01:18:40,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 01:18:40,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 01:18:40,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 01:18:40,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 01:18:40,008 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 01:18:40,008 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 01:18:40,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 01:18:40,009 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 01:18:40,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 01:18:40,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 01:18:40,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 01:18:40,335 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 01:18:40,338 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 01:18:40,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-2.i [2020-10-22 01:18:40,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9221d4e43/fca08751c94d495cabfffb7875f1e82c/FLAGddd8aa4f7 [2020-10-22 01:18:40,972 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 01:18:40,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-2.i [2020-10-22 01:18:40,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9221d4e43/fca08751c94d495cabfffb7875f1e82c/FLAGddd8aa4f7 [2020-10-22 01:18:41,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9221d4e43/fca08751c94d495cabfffb7875f1e82c [2020-10-22 01:18:41,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 01:18:41,191 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 01:18:41,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 01:18:41,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 01:18:41,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 01:18:41,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:18:41" (1/1) ... [2020-10-22 01:18:41,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cdf5149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:41, skipping insertion in model container [2020-10-22 01:18:41,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:18:41" (1/1) ... [2020-10-22 01:18:41,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 01:18:41,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 01:18:42,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:18:42,035 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 01:18:42,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:18:42,303 INFO L208 MainTranslator]: Completed translation [2020-10-22 01:18:42,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:42 WrapperNode [2020-10-22 01:18:42,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 01:18:42,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 01:18:42,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 01:18:42,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 01:18:42,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:42" (1/1) ... [2020-10-22 01:18:42,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:42" (1/1) ... [2020-10-22 01:18:42,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 01:18:42,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 01:18:42,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 01:18:42,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 01:18:42,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:42" (1/1) ... [2020-10-22 01:18:42,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:42" (1/1) ... [2020-10-22 01:18:42,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:42" (1/1) ... [2020-10-22 01:18:42,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:42" (1/1) ... [2020-10-22 01:18:42,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:42" (1/1) ... [2020-10-22 01:18:42,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:42" (1/1) ... [2020-10-22 01:18:42,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:42" (1/1) ... [2020-10-22 01:18:42,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 01:18:42,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 01:18:42,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 01:18:42,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 01:18:42,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:18:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-22 01:18:42,581 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-22 01:18:42,581 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-22 01:18:42,581 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-22 01:18:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 01:18:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 01:18:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 01:18:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 01:18:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 01:18:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 01:18:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 01:18:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 01:18:42,586 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 01:18:43,552 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 01:18:43,553 INFO L298 CfgBuilder]: Removed 28 assume(true) statements. [2020-10-22 01:18:43,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:18:43 BoogieIcfgContainer [2020-10-22 01:18:43,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 01:18:43,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 01:18:43,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 01:18:43,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 01:18:43,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 01:18:41" (1/3) ... [2020-10-22 01:18:43,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a104c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:18:43, skipping insertion in model container [2020-10-22 01:18:43,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:42" (2/3) ... [2020-10-22 01:18:43,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a104c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:18:43, skipping insertion in model container [2020-10-22 01:18:43,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:18:43" (3/3) ... [2020-10-22 01:18:43,574 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longest-2.i [2020-10-22 01:18:43,593 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 01:18:43,594 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 01:18:43,607 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-22 01:18:43,608 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 01:18:43,720 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,721 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,721 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,721 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,721 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,721 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,722 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,722 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,722 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,722 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,723 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,723 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,723 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,723 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,723 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,724 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,724 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,724 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,724 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,724 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,725 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,725 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,725 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,725 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,725 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,726 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,726 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,726 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,726 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,726 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,726 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,727 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,727 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,727 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,727 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,727 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,728 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,728 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,728 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,728 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,728 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,729 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,729 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,729 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,729 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,731 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,731 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,731 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,731 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,731 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,732 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,732 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,732 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,732 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,732 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,733 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,733 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,733 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,734 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,734 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,734 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,736 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,737 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,737 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,737 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,737 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,738 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,738 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,738 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,738 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,738 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,739 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,739 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,739 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,739 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,740 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,740 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,740 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,740 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,741 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,741 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,741 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,741 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,741 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,742 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,742 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,742 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,742 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,742 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,742 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,743 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,743 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,743 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,743 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,744 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,744 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,744 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,744 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,744 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,745 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,745 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,745 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,745 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,746 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,746 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,746 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,746 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,746 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,747 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,747 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,747 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,747 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,747 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,748 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,748 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,748 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,748 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,748 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,749 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,749 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,754 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,754 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,754 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,754 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,755 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,755 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,755 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,755 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,755 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,756 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,756 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,756 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,756 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,756 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,757 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,757 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,757 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,757 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,757 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,757 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,758 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,758 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,758 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,758 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,764 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,764 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,764 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,765 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,765 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,765 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,765 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,765 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,765 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,766 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,766 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,766 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,766 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,766 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,767 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,767 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,767 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,767 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,767 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,768 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:43,777 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-22 01:18:43,791 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-22 01:18:43,813 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:18:43,814 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:18:43,814 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:18:43,814 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:18:43,814 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:18:43,814 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:18:43,814 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:18:43,815 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:18:43,831 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:18:43,832 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 152 transitions, 326 flow [2020-10-22 01:18:43,835 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 152 transitions, 326 flow [2020-10-22 01:18:43,837 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 145 places, 152 transitions, 326 flow [2020-10-22 01:18:43,909 INFO L129 PetriNetUnfolder]: 13/152 cut-off events. [2020-10-22 01:18:43,909 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-22 01:18:43,916 INFO L80 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 152 events. 13/152 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 397 event pairs, 0 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 116. Up to 3 conditions per place. [2020-10-22 01:18:43,924 INFO L116 LiptonReduction]: Number of co-enabled transitions 6874 [2020-10-22 01:18:45,752 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2020-10-22 01:18:46,620 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-10-22 01:18:46,951 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-22 01:18:47,076 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-22 01:18:47,984 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 133 [2020-10-22 01:18:48,365 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-22 01:18:48,392 INFO L131 LiptonReduction]: Checked pairs total: 12236 [2020-10-22 01:18:48,392 INFO L133 LiptonReduction]: Total number of compositions: 149 [2020-10-22 01:18:48,399 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 40 transitions, 102 flow [2020-10-22 01:18:48,428 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 331 states. [2020-10-22 01:18:48,431 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states. [2020-10-22 01:18:48,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 01:18:48,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:48,439 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-22 01:18:48,439 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:48,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:48,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1786919100, now seen corresponding path program 1 times [2020-10-22 01:18:48,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:48,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6194202] [2020-10-22 01:18:48,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:48,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:48,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6194202] [2020-10-22 01:18:48,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:18:48,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:18:48,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1614020176] [2020-10-22 01:18:48,694 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:48,697 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:48,711 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-22 01:18:48,711 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:48,715 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:48,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:18:48,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:48,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:18:48,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:18:48,735 INFO L87 Difference]: Start difference. First operand 331 states. Second operand 3 states. [2020-10-22 01:18:48,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:48,800 INFO L93 Difference]: Finished difference Result 504 states and 1247 transitions. [2020-10-22 01:18:48,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:18:48,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-22 01:18:48,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:48,826 INFO L225 Difference]: With dead ends: 504 [2020-10-22 01:18:48,826 INFO L226 Difference]: Without dead ends: 460 [2020-10-22 01:18:48,827 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 01:18:48,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-10-22 01:18:48,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 420. [2020-10-22 01:18:48,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-10-22 01:18:48,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 1095 transitions. [2020-10-22 01:18:48,934 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 1095 transitions. Word has length 6 [2020-10-22 01:18:48,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:48,934 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 1095 transitions. [2020-10-22 01:18:48,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:18:48,934 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 1095 transitions. [2020-10-22 01:18:48,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 01:18:48,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:48,935 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:18:48,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 01:18:48,937 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:48,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:48,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1640121652, now seen corresponding path program 1 times [2020-10-22 01:18:48,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:48,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653316734] [2020-10-22 01:18:48,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:49,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:49,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653316734] [2020-10-22 01:18:49,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:18:49,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:18:49,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [338736920] [2020-10-22 01:18:49,055 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:49,057 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:49,059 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 01:18:49,059 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:49,060 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:49,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:18:49,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:49,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:18:49,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:18:49,062 INFO L87 Difference]: Start difference. First operand 420 states and 1095 transitions. Second operand 3 states. [2020-10-22 01:18:49,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:49,079 INFO L93 Difference]: Finished difference Result 464 states and 1205 transitions. [2020-10-22 01:18:49,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:18:49,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-22 01:18:49,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:49,086 INFO L225 Difference]: With dead ends: 464 [2020-10-22 01:18:49,086 INFO L226 Difference]: Without dead ends: 464 [2020-10-22 01:18:49,087 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 01:18:49,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-22 01:18:49,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2020-10-22 01:18:49,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-10-22 01:18:49,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1205 transitions. [2020-10-22 01:18:49,118 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1205 transitions. Word has length 10 [2020-10-22 01:18:49,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:49,118 INFO L481 AbstractCegarLoop]: Abstraction has 464 states and 1205 transitions. [2020-10-22 01:18:49,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:18:49,118 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1205 transitions. [2020-10-22 01:18:49,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 01:18:49,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:49,121 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:18:49,122 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 01:18:49,122 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:49,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:49,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1317417300, now seen corresponding path program 1 times [2020-10-22 01:18:49,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:49,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664687286] [2020-10-22 01:18:49,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:49,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:49,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664687286] [2020-10-22 01:18:49,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884597875] [2020-10-22 01:18:49,211 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 01:18:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:49,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-22 01:18:49,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:18:49,398 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:49,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:18:49,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-22 01:18:49,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1731300283] [2020-10-22 01:18:49,399 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:49,401 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:49,404 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-10-22 01:18:49,404 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:49,405 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:49,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 01:18:49,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:49,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 01:18:49,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:18:49,406 INFO L87 Difference]: Start difference. First operand 464 states and 1205 transitions. Second operand 5 states. [2020-10-22 01:18:49,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:49,490 INFO L93 Difference]: Finished difference Result 775 states and 1949 transitions. [2020-10-22 01:18:49,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 01:18:49,491 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-22 01:18:49,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:49,497 INFO L225 Difference]: With dead ends: 775 [2020-10-22 01:18:49,498 INFO L226 Difference]: Without dead ends: 775 [2020-10-22 01:18:49,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-22 01:18:49,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2020-10-22 01:18:49,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 592. [2020-10-22 01:18:49,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-22 01:18:49,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 1551 transitions. [2020-10-22 01:18:49,526 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 1551 transitions. Word has length 13 [2020-10-22 01:18:49,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:49,526 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 1551 transitions. [2020-10-22 01:18:49,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 01:18:49,527 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1551 transitions. [2020-10-22 01:18:49,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-22 01:18:49,529 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:49,529 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:18:49,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-22 01:18:49,743 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:49,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:49,744 INFO L82 PathProgramCache]: Analyzing trace with hash 150162657, now seen corresponding path program 1 times [2020-10-22 01:18:49,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:49,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607333091] [2020-10-22 01:18:49,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:49,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:49,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607333091] [2020-10-22 01:18:49,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:18:49,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:18:49,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1460033502] [2020-10-22 01:18:49,797 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:49,799 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:49,802 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 24 transitions. [2020-10-22 01:18:49,803 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:49,823 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:49,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:18:49,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:49,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:18:49,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:18:49,824 INFO L87 Difference]: Start difference. First operand 592 states and 1551 transitions. Second operand 3 states. [2020-10-22 01:18:49,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:49,844 INFO L93 Difference]: Finished difference Result 311 states and 689 transitions. [2020-10-22 01:18:49,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:18:49,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-22 01:18:49,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:49,847 INFO L225 Difference]: With dead ends: 311 [2020-10-22 01:18:49,847 INFO L226 Difference]: Without dead ends: 311 [2020-10-22 01:18:49,848 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:18:49,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-10-22 01:18:49,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 301. [2020-10-22 01:18:49,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-10-22 01:18:49,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 662 transitions. [2020-10-22 01:18:49,856 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 662 transitions. Word has length 16 [2020-10-22 01:18:49,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:49,857 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 662 transitions. [2020-10-22 01:18:49,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:18:49,858 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 662 transitions. [2020-10-22 01:18:49,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 01:18:49,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:49,860 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:18:49,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 01:18:49,860 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:49,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:49,860 INFO L82 PathProgramCache]: Analyzing trace with hash 129653450, now seen corresponding path program 1 times [2020-10-22 01:18:49,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:49,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444107064] [2020-10-22 01:18:49,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:49,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:49,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444107064] [2020-10-22 01:18:49,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:18:49,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:18:49,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [725041704] [2020-10-22 01:18:49,912 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:49,914 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:49,920 INFO L252 McrAutomatonBuilder]: Finished intersection with 38 states and 57 transitions. [2020-10-22 01:18:49,921 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:49,936 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:49,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:18:49,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:49,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:18:49,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:18:49,937 INFO L87 Difference]: Start difference. First operand 301 states and 662 transitions. Second operand 3 states. [2020-10-22 01:18:49,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:49,970 INFO L93 Difference]: Finished difference Result 379 states and 830 transitions. [2020-10-22 01:18:49,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:18:49,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-22 01:18:49,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:49,973 INFO L225 Difference]: With dead ends: 379 [2020-10-22 01:18:49,973 INFO L226 Difference]: Without dead ends: 379 [2020-10-22 01:18:49,974 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:18:49,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-10-22 01:18:49,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 319. [2020-10-22 01:18:49,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-10-22 01:18:49,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 695 transitions. [2020-10-22 01:18:49,982 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 695 transitions. Word has length 17 [2020-10-22 01:18:49,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:49,983 INFO L481 AbstractCegarLoop]: Abstraction has 319 states and 695 transitions. [2020-10-22 01:18:49,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:18:49,983 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 695 transitions. [2020-10-22 01:18:49,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 01:18:49,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:49,985 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-22 01:18:49,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 01:18:49,985 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:49,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:49,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1112399292, now seen corresponding path program 2 times [2020-10-22 01:18:49,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:49,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848865777] [2020-10-22 01:18:49,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:50,067 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:50,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848865777] [2020-10-22 01:18:50,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900311246] [2020-10-22 01:18:50,068 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 01:18:50,147 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-22 01:18:50,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:18:50,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-22 01:18:50,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:18:50,186 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:50,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:18:50,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-22 01:18:50,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [90494930] [2020-10-22 01:18:50,188 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:50,191 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:50,196 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 20 transitions. [2020-10-22 01:18:50,196 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:50,197 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:50,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 01:18:50,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:50,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 01:18:50,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-22 01:18:50,198 INFO L87 Difference]: Start difference. First operand 319 states and 695 transitions. Second operand 7 states. [2020-10-22 01:18:50,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:50,284 INFO L93 Difference]: Finished difference Result 520 states and 1122 transitions. [2020-10-22 01:18:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 01:18:50,284 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-10-22 01:18:50,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:50,287 INFO L225 Difference]: With dead ends: 520 [2020-10-22 01:18:50,288 INFO L226 Difference]: Without dead ends: 520 [2020-10-22 01:18:50,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-22 01:18:50,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-10-22 01:18:50,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 396. [2020-10-22 01:18:50,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-10-22 01:18:50,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 864 transitions. [2020-10-22 01:18:50,300 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 864 transitions. Word has length 20 [2020-10-22 01:18:50,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:50,301 INFO L481 AbstractCegarLoop]: Abstraction has 396 states and 864 transitions. [2020-10-22 01:18:50,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 01:18:50,301 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 864 transitions. [2020-10-22 01:18:50,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-22 01:18:50,302 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:50,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:18:50,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:18:50,516 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:50,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:50,517 INFO L82 PathProgramCache]: Analyzing trace with hash 2122602692, now seen corresponding path program 1 times [2020-10-22 01:18:50,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:50,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209289132] [2020-10-22 01:18:50,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:51,024 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 20 [2020-10-22 01:18:51,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:51,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209289132] [2020-10-22 01:18:51,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:18:51,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-22 01:18:51,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [984687488] [2020-10-22 01:18:51,129 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:51,132 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:51,143 INFO L252 McrAutomatonBuilder]: Finished intersection with 42 states and 61 transitions. [2020-10-22 01:18:51,143 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:51,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 01:18:51,410 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 59373 column 29: unknown constant v_#memory_int_56 at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1454) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:222) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:145) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript$DiffTransformer.checkOrAddAxiom(DiffWrapperScript.java:161) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript$DiffTransformer.convertApplicationTerm(DiffWrapperScript.java:171) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:109) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:59) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:164) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:134) at de.uni_freiburg.informatik.ultimate.lib.mcr.McrUtils.abstractVariables(McrUtils.java:32) at de.uni_freiburg.informatik.ultimate.lib.mcr.SpWpInterpolantProvider.addInterpolants(SpWpInterpolantProvider.java:123) at de.uni_freiburg.informatik.ultimate.lib.mcr.McrAutomatonBuilder.buildInterpolantAutomaton(McrAutomatonBuilder.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpAbStrategyModuleMcr.buildInterpolantAutomaton(IpAbStrategyModuleMcr.java:47) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:360) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-22 01:18:51,414 INFO L168 Benchmark]: Toolchain (without parser) took 10227.22 ms. Allocated memory was 144.2 MB in the beginning and 334.0 MB in the end (delta: 189.8 MB). Free memory was 99.0 MB in the beginning and 243.7 MB in the end (delta: -144.7 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. [2020-10-22 01:18:51,415 INFO L168 Benchmark]: CDTParser took 3.46 ms. Allocated memory is still 144.2 MB. Free memory was 118.9 MB in the beginning and 118.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-22 01:18:51,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1112.62 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 97.9 MB in the beginning and 129.1 MB in the end (delta: -31.2 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. [2020-10-22 01:18:51,417 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.80 ms. Allocated memory is still 201.3 MB. Free memory was 129.1 MB in the beginning and 126.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-22 01:18:51,417 INFO L168 Benchmark]: Boogie Preprocessor took 63.83 ms. Allocated memory is still 201.3 MB. Free memory was 126.2 MB in the beginning and 124.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2020-10-22 01:18:51,418 INFO L168 Benchmark]: RCFGBuilder took 1082.64 ms. Allocated memory is still 201.3 MB. Free memory was 124.0 MB in the beginning and 89.5 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2020-10-22 01:18:51,419 INFO L168 Benchmark]: TraceAbstraction took 7850.68 ms. Allocated memory was 201.3 MB in the beginning and 334.0 MB in the end (delta: 132.6 MB). Free memory was 89.5 MB in the beginning and 243.7 MB in the end (delta: -154.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-22 01:18:51,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.46 ms. Allocated memory is still 144.2 MB. Free memory was 118.9 MB in the beginning and 118.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1112.62 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 97.9 MB in the beginning and 129.1 MB in the end (delta: -31.2 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 104.80 ms. Allocated memory is still 201.3 MB. Free memory was 129.1 MB in the beginning and 126.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.83 ms. Allocated memory is still 201.3 MB. Free memory was 126.2 MB in the beginning and 124.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1082.64 ms. Allocated memory is still 201.3 MB. Free memory was 124.0 MB in the beginning and 89.5 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7850.68 ms. Allocated memory was 201.3 MB in the beginning and 334.0 MB in the end (delta: 132.6 MB). Free memory was 89.5 MB in the beginning and 243.7 MB in the end (delta: -154.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3872 VarBasedMoverChecksPositive, 53 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 199 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.5s, 145 PlacesBefore, 40 PlacesAfterwards, 152 TransitionsBefore, 40 TransitionsAfterwards, 6874 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 87 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 25 ConcurrentYvCompositions, 7 ChoiceCompositions, 149 TotalNumberOfCompositions, 12236 MoverChecksTotal - ExceptionOrErrorResult: SMTLIBException: line 59373 column 29: unknown constant v_#memory_int_56 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 59373 column 29: unknown constant v_#memory_int_56: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1454) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...