/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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread/stack_longer-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 15:12:03,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 15:12:03,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 15:12:03,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 15:12:03,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 15:12:03,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 15:12:03,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 15:12:03,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 15:12:03,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 15:12:03,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 15:12:03,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 15:12:03,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 15:12:03,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 15:12:03,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 15:12:03,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 15:12:03,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 15:12:03,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 15:12:03,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 15:12:03,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 15:12:03,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 15:12:03,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 15:12:03,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 15:12:03,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 15:12:03,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 15:12:03,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 15:12:04,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 15:12:04,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 15:12:04,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 15:12:04,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 15:12:04,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 15:12:04,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 15:12:04,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 15:12:04,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 15:12:04,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 15:12:04,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 15:12:04,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 15:12:04,011 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-MCR.epf [2019-12-27 15:12:04,044 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 15:12:04,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 15:12:04,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 15:12:04,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 15:12:04,046 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 15:12:04,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 15:12:04,049 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 15:12:04,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 15:12:04,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 15:12:04,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 15:12:04,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 15:12:04,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 15:12:04,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 15:12:04,052 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 15:12:04,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 15:12:04,052 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 15:12:04,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 15:12:04,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 15:12:04,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 15:12:04,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 15:12:04,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 15:12:04,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 15:12:04,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 15:12:04,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 15:12:04,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 15:12:04,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 15:12:04,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 15:12:04,055 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 15:12:04,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 15:12:04,055 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 15:12:04,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 15:12:04,333 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 15:12:04,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 15:12:04,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 15:12:04,360 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 15:12:04,361 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 15:12:04,362 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-1.i [2019-12-27 15:12:04,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b104d0c03/c2850ca60b0a4c059aedbb773f58d281/FLAG4c69de390 [2019-12-27 15:12:05,014 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 15:12:05,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-1.i [2019-12-27 15:12:05,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b104d0c03/c2850ca60b0a4c059aedbb773f58d281/FLAG4c69de390 [2019-12-27 15:12:05,263 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b104d0c03/c2850ca60b0a4c059aedbb773f58d281 [2019-12-27 15:12:05,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 15:12:05,277 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 15:12:05,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 15:12:05,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 15:12:05,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 15:12:05,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 03:12:05" (1/1) ... [2019-12-27 15:12:05,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32a0bc82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:05, skipping insertion in model container [2019-12-27 15:12:05,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 03:12:05" (1/1) ... [2019-12-27 15:12:05,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 15:12:05,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 15:12:05,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 15:12:05,943 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 15:12:06,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 15:12:06,157 INFO L208 MainTranslator]: Completed translation [2019-12-27 15:12:06,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:06 WrapperNode [2019-12-27 15:12:06,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 15:12:06,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 15:12:06,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 15:12:06,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 15:12:06,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:06" (1/1) ... [2019-12-27 15:12:06,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:06" (1/1) ... [2019-12-27 15:12:06,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 15:12:06,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 15:12:06,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 15:12:06,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 15:12:06,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:06" (1/1) ... [2019-12-27 15:12:06,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:06" (1/1) ... [2019-12-27 15:12:06,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:06" (1/1) ... [2019-12-27 15:12:06,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:06" (1/1) ... [2019-12-27 15:12:06,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:06" (1/1) ... [2019-12-27 15:12:06,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:06" (1/1) ... [2019-12-27 15:12:06,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:06" (1/1) ... [2019-12-27 15:12:06,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 15:12:06,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 15:12:06,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 15:12:06,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 15:12:06,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:06" (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 [2019-12-27 15:12:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2019-12-27 15:12:06,377 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2019-12-27 15:12:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2019-12-27 15:12:06,378 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2019-12-27 15:12:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 15:12:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 15:12:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 15:12:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 15:12:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 15:12:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 15:12:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 15:12:06,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 15:12:06,381 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 15:12:06,917 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 15:12:06,918 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-27 15:12:06,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 03:12:06 BoogieIcfgContainer [2019-12-27 15:12:06,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 15:12:06,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 15:12:06,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 15:12:06,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 15:12:06,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 03:12:05" (1/3) ... [2019-12-27 15:12:06,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3640db42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 03:12:06, skipping insertion in model container [2019-12-27 15:12:06,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:12:06" (2/3) ... [2019-12-27 15:12:06,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3640db42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 03:12:06, skipping insertion in model container [2019-12-27 15:12:06,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 03:12:06" (3/3) ... [2019-12-27 15:12:06,929 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2019-12-27 15:12:06,939 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 15:12:06,939 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 15:12:06,947 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 15:12:06,948 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 15:12:06,984 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:06,985 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:06,985 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:06,985 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:06,986 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,001 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,001 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,001 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,002 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,002 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,002 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,002 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,003 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,003 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,003 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,003 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,004 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,004 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,004 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,004 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,004 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,005 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,005 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,005 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,005 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,005 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,006 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,006 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,006 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,006 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,006 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,007 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,007 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,007 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,007 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,007 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,008 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,008 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,008 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,008 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,008 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,009 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,009 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,009 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,009 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,010 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,010 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,010 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,010 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,010 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,011 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,011 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,011 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,011 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,012 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,012 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,012 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,012 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,013 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,013 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,013 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,013 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,014 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,015 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,015 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,015 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,015 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,015 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,016 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,016 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,016 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,016 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,016 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,017 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,017 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,017 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,017 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,018 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,018 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,018 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,018 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,018 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,019 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,019 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,019 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,019 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,019 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,020 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,020 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,020 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,020 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,020 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,020 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,021 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,021 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,021 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,021 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,022 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,022 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,022 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,022 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,022 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,023 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,023 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,023 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,023 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,024 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,024 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,024 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,024 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,025 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,025 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,025 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,025 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,025 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,026 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,026 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,026 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,026 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,027 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,027 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,027 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,027 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,027 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,027 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,028 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,028 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,031 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,032 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,032 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,032 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,032 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,032 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,033 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,033 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,033 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,033 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,033 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,034 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,034 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,034 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,034 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,034 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,035 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,035 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,035 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,035 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,035 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,046 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,049 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,049 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,049 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,049 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,049 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,050 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,050 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,050 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,050 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,050 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,051 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,051 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,051 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,051 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,051 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,051 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,052 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,052 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 15:12:07,079 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 15:12:07,103 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 15:12:07,104 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 15:12:07,105 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 15:12:07,105 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 15:12:07,106 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 15:12:07,106 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 15:12:07,106 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 15:12:07,106 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 15:12:07,132 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 140 transitions [2019-12-27 15:12:07,134 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 136 places, 140 transitions [2019-12-27 15:12:07,210 INFO L132 PetriNetUnfolder]: 10/140 cut-off events. [2019-12-27 15:12:07,211 INFO L133 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2019-12-27 15:12:07,222 INFO L76 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 140 events. 10/140 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 359 event pairs. 0/129 useless extension candidates. Maximal degree in co-relation 108. Up to 3 conditions per place. [2019-12-27 15:12:07,233 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 136 places, 140 transitions [2019-12-27 15:12:07,287 INFO L132 PetriNetUnfolder]: 10/140 cut-off events. [2019-12-27 15:12:07,287 INFO L133 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2019-12-27 15:12:07,291 INFO L76 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 140 events. 10/140 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 359 event pairs. 0/129 useless extension candidates. Maximal degree in co-relation 108. Up to 3 conditions per place. [2019-12-27 15:12:07,303 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5952 [2019-12-27 15:12:07,304 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 15:12:09,100 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2019-12-27 15:12:10,056 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-12-27 15:12:10,904 WARN L192 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2019-12-27 15:12:11,113 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-12-27 15:12:11,161 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6690 [2019-12-27 15:12:11,162 INFO L214 etLargeBlockEncoding]: Total number of compositions: 119 [2019-12-27 15:12:11,165 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 41 transitions [2019-12-27 15:12:11,187 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2019-12-27 15:12:11,189 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2019-12-27 15:12:11,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 15:12:11,196 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:12:11,197 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-27 15:12:11,198 INFO L410 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 15:12:11,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:12:11,204 INFO L82 PathProgramCache]: Analyzing trace with hash -229309141, now seen corresponding path program 1 times [2019-12-27 15:12:11,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:12:11,216 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95851984] [2019-12-27 15:12:11,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:12:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:12:11,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:12:11,441 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95851984] [2019-12-27 15:12:11,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:12:11,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 15:12:11,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1880678672] [2019-12-27 15:12:11,445 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:12:11,451 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:12:11,469 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 7 states and 6 transitions. [2019-12-27 15:12:11,470 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:12:11,475 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 15:12:11,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 15:12:11,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:12:11,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 15:12:11,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 15:12:11,496 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 3 states. [2019-12-27 15:12:11,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:12:11,564 INFO L93 Difference]: Finished difference Result 529 states and 1334 transitions. [2019-12-27 15:12:11,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 15:12:11,565 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-27 15:12:11,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:12:11,596 INFO L225 Difference]: With dead ends: 529 [2019-12-27 15:12:11,597 INFO L226 Difference]: Without dead ends: 507 [2019-12-27 15:12:11,599 INFO L631 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 [2019-12-27 15:12:11,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2019-12-27 15:12:11,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 467. [2019-12-27 15:12:11,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2019-12-27 15:12:11,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 1235 transitions. [2019-12-27 15:12:11,731 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 1235 transitions. Word has length 6 [2019-12-27 15:12:11,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:12:11,736 INFO L462 AbstractCegarLoop]: Abstraction has 467 states and 1235 transitions. [2019-12-27 15:12:11,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 15:12:11,738 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 1235 transitions. [2019-12-27 15:12:11,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 15:12:11,739 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:12:11,739 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:12:11,739 INFO L410 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 15:12:11,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:12:11,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1069650288, now seen corresponding path program 1 times [2019-12-27 15:12:11,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:12:11,741 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791893996] [2019-12-27 15:12:11,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:12:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:12:11,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:12:11,873 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791893996] [2019-12-27 15:12:11,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:12:11,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 15:12:11,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1931826362] [2019-12-27 15:12:11,874 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:12:11,875 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:12:11,876 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 9 states and 8 transitions. [2019-12-27 15:12:11,876 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:12:11,876 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 15:12:11,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 15:12:11,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:12:11,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 15:12:11,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 15:12:11,882 INFO L87 Difference]: Start difference. First operand 467 states and 1235 transitions. Second operand 3 states. [2019-12-27 15:12:11,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:12:11,911 INFO L93 Difference]: Finished difference Result 574 states and 1482 transitions. [2019-12-27 15:12:11,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 15:12:11,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-27 15:12:11,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:12:11,918 INFO L225 Difference]: With dead ends: 574 [2019-12-27 15:12:11,918 INFO L226 Difference]: Without dead ends: 552 [2019-12-27 15:12:11,919 INFO L631 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 [2019-12-27 15:12:11,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2019-12-27 15:12:11,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 512. [2019-12-27 15:12:11,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2019-12-27 15:12:11,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 1362 transitions. [2019-12-27 15:12:11,938 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 1362 transitions. Word has length 8 [2019-12-27 15:12:11,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:12:11,939 INFO L462 AbstractCegarLoop]: Abstraction has 512 states and 1362 transitions. [2019-12-27 15:12:11,939 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 15:12:11,939 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1362 transitions. [2019-12-27 15:12:11,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 15:12:11,941 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:12:11,941 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:12:11,941 INFO L410 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 15:12:11,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:12:11,942 INFO L82 PathProgramCache]: Analyzing trace with hash -174077442, now seen corresponding path program 1 times [2019-12-27 15:12:11,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:12:11,942 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101690750] [2019-12-27 15:12:11,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:12:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:12:11,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:12:11,995 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101690750] [2019-12-27 15:12:11,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:12:11,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 15:12:11,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1935554196] [2019-12-27 15:12:11,997 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:12:11,998 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:12:11,999 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 11 states and 10 transitions. [2019-12-27 15:12:11,999 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:12:11,999 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 15:12:11,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 15:12:11,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:12:12,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 15:12:12,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 15:12:12,002 INFO L87 Difference]: Start difference. First operand 512 states and 1362 transitions. Second operand 3 states. [2019-12-27 15:12:12,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:12:12,022 INFO L93 Difference]: Finished difference Result 544 states and 1443 transitions. [2019-12-27 15:12:12,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 15:12:12,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 15:12:12,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:12:12,035 INFO L225 Difference]: With dead ends: 544 [2019-12-27 15:12:12,036 INFO L226 Difference]: Without dead ends: 544 [2019-12-27 15:12:12,036 INFO L631 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 [2019-12-27 15:12:12,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2019-12-27 15:12:12,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2019-12-27 15:12:12,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2019-12-27 15:12:12,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 1443 transitions. [2019-12-27 15:12:12,057 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 1443 transitions. Word has length 10 [2019-12-27 15:12:12,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:12:12,057 INFO L462 AbstractCegarLoop]: Abstraction has 544 states and 1443 transitions. [2019-12-27 15:12:12,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 15:12:12,058 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 1443 transitions. [2019-12-27 15:12:12,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 15:12:12,060 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:12:12,060 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:12:12,060 INFO L410 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 15:12:12,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:12:12,061 INFO L82 PathProgramCache]: Analyzing trace with hash 763111477, now seen corresponding path program 1 times [2019-12-27 15:12:12,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:12:12,061 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705612252] [2019-12-27 15:12:12,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:12:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:12:12,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:12:12,128 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705612252] [2019-12-27 15:12:12,128 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548863452] [2019-12-27 15:12:12,129 INFO L94 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 [2019-12-27 15:12:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:12:12,244 INFO L264 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-27 15:12:12,251 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 15:12:12,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:12:12,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-27 15:12:12,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2019-12-27 15:12:12,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1628767390] [2019-12-27 15:12:12,296 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:12:12,298 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:12:12,301 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 15 states and 14 transitions. [2019-12-27 15:12:12,301 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:12:12,301 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 15:12:12,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 15:12:12,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:12:12,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 15:12:12,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-27 15:12:12,302 INFO L87 Difference]: Start difference. First operand 544 states and 1443 transitions. Second operand 5 states. [2019-12-27 15:12:12,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:12:12,395 INFO L93 Difference]: Finished difference Result 821 states and 2103 transitions. [2019-12-27 15:12:12,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 15:12:12,398 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-12-27 15:12:12,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:12:12,403 INFO L225 Difference]: With dead ends: 821 [2019-12-27 15:12:12,404 INFO L226 Difference]: Without dead ends: 821 [2019-12-27 15:12:12,404 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-27 15:12:12,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2019-12-27 15:12:12,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 668. [2019-12-27 15:12:12,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 668 states. [2019-12-27 15:12:12,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 1762 transitions. [2019-12-27 15:12:12,427 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 1762 transitions. Word has length 14 [2019-12-27 15:12:12,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:12:12,427 INFO L462 AbstractCegarLoop]: Abstraction has 668 states and 1762 transitions. [2019-12-27 15:12:12,427 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 15:12:12,428 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1762 transitions. [2019-12-27 15:12:12,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-27 15:12:12,434 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:12:12,435 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:12:12,638 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 15:12:12,638 INFO L410 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 15:12:12,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:12:12,639 INFO L82 PathProgramCache]: Analyzing trace with hash 277758940, now seen corresponding path program 1 times [2019-12-27 15:12:12,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:12:12,640 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765595233] [2019-12-27 15:12:12,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:12:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:12:12,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:12:12,687 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765595233] [2019-12-27 15:12:12,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:12:12,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 15:12:12,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [334978800] [2019-12-27 15:12:12,688 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:12:12,690 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:12:12,693 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 21 states and 24 transitions. [2019-12-27 15:12:12,693 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:12:12,696 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-27 15:12:12,697 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 15:12:12,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:12:12,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 15:12:12,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 15:12:12,698 INFO L87 Difference]: Start difference. First operand 668 states and 1762 transitions. Second operand 3 states. [2019-12-27 15:12:12,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:12:12,732 INFO L93 Difference]: Finished difference Result 359 states and 809 transitions. [2019-12-27 15:12:12,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 15:12:12,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-12-27 15:12:12,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:12:12,734 INFO L225 Difference]: With dead ends: 359 [2019-12-27 15:12:12,735 INFO L226 Difference]: Without dead ends: 355 [2019-12-27 15:12:12,735 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 15:12:12,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2019-12-27 15:12:12,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 335. [2019-12-27 15:12:12,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2019-12-27 15:12:12,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 751 transitions. [2019-12-27 15:12:12,743 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 751 transitions. Word has length 16 [2019-12-27 15:12:12,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:12:12,744 INFO L462 AbstractCegarLoop]: Abstraction has 335 states and 751 transitions. [2019-12-27 15:12:12,744 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 15:12:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 751 transitions. [2019-12-27 15:12:12,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-27 15:12:12,745 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:12:12,745 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:12:12,745 INFO L410 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 15:12:12,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:12:12,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1401799518, now seen corresponding path program 1 times [2019-12-27 15:12:12,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:12:12,746 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940423412] [2019-12-27 15:12:12,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:12:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:12:12,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:12:12,818 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940423412] [2019-12-27 15:12:12,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:12:12,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 15:12:12,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [504376525] [2019-12-27 15:12:12,819 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 15:12:12,823 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 15:12:12,829 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 40 states and 61 transitions. [2019-12-27 15:12:12,829 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 15:12:12,835 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-27 15:12:12,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 15:12:12,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:12:12,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 15:12:12,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 15:12:12,837 INFO L87 Difference]: Start difference. First operand 335 states and 751 transitions. Second operand 5 states. [2019-12-27 15:12:12,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:12:12,905 INFO L93 Difference]: Finished difference Result 459 states and 1021 transitions. [2019-12-27 15:12:12,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 15:12:12,906 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-12-27 15:12:12,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:12:12,909 INFO L225 Difference]: With dead ends: 459 [2019-12-27 15:12:12,909 INFO L226 Difference]: Without dead ends: 459 [2019-12-27 15:12:12,910 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 15:12:12,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2019-12-27 15:12:12,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 373. [2019-12-27 15:12:12,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-12-27 15:12:12,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 842 transitions. [2019-12-27 15:12:12,923 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 842 transitions. Word has length 17 [2019-12-27 15:12:12,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:12:12,924 INFO L462 AbstractCegarLoop]: Abstraction has 373 states and 842 transitions. [2019-12-27 15:12:12,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 15:12:12,924 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 842 transitions. [2019-12-27 15:12:12,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-27 15:12:12,925 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:12:12,925 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 15:12:12,925 INFO L410 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 15:12:12,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:12:12,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1964448312, now seen corresponding path program 1 times [2019-12-27 15:12:12,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:12:12,926 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651474358] [2019-12-27 15:12:12,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:12:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:12:13,177 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1315) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) 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.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:573) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:171) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) 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:464) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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:316) 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) [2019-12-27 15:12:13,181 INFO L168 Benchmark]: Toolchain (without parser) took 7904.84 ms. Allocated memory was 146.3 MB in the beginning and 287.8 MB in the end (delta: 141.6 MB). Free memory was 100.8 MB in the beginning and 143.5 MB in the end (delta: -42.7 MB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. [2019-12-27 15:12:13,182 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-27 15:12:13,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 879.96 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 100.4 MB in the beginning and 135.3 MB in the end (delta: -34.9 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2019-12-27 15:12:13,184 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.95 ms. Allocated memory is still 203.9 MB. Free memory was 135.3 MB in the beginning and 132.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-12-27 15:12:13,184 INFO L168 Benchmark]: Boogie Preprocessor took 33.99 ms. Allocated memory is still 203.9 MB. Free memory was 132.6 MB in the beginning and 130.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 15:12:13,185 INFO L168 Benchmark]: RCFGBuilder took 613.70 ms. Allocated memory is still 203.9 MB. Free memory was 130.6 MB in the beginning and 98.0 MB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. [2019-12-27 15:12:13,186 INFO L168 Benchmark]: TraceAbstraction took 6258.67 ms. Allocated memory was 203.9 MB in the beginning and 287.8 MB in the end (delta: 83.9 MB). Free memory was 98.0 MB in the beginning and 143.5 MB in the end (delta: -45.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 7.1 GB. [2019-12-27 15:12:13,190 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 879.96 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 100.4 MB in the beginning and 135.3 MB in the end (delta: -34.9 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 111.95 ms. Allocated memory is still 203.9 MB. Free memory was 135.3 MB in the beginning and 132.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.99 ms. Allocated memory is still 203.9 MB. Free memory was 132.6 MB in the beginning and 130.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 613.70 ms. Allocated memory is still 203.9 MB. Free memory was 130.6 MB in the beginning and 98.0 MB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6258.67 ms. Allocated memory was 203.9 MB in the beginning and 287.8 MB in the end (delta: 83.9 MB). Free memory was 98.0 MB in the beginning and 143.5 MB in the end (delta: -45.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.0s, 136 ProgramPointsBefore, 39 ProgramPointsAfterwards, 140 TransitionsBefore, 41 TransitionsAfterwards, 5952 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 16 ConcurrentYvCompositions, 3 ChoiceCompositions, 3242 VarBasedMoverChecksPositive, 61 VarBasedMoverChecksNegative, 33 SemBasedMoverChecksPositive, 52 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 0 MoverChecksTotal, 6690 CheckedPairsTotal, 119 TotalNumberOfCompositions - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...