/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread/stack_longest-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 16:20:18,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 16:20:18,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 16:20:18,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 16:20:18,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 16:20:18,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 16:20:18,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 16:20:18,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 16:20:18,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 16:20:18,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 16:20:18,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 16:20:18,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 16:20:18,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 16:20:18,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 16:20:19,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 16:20:19,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 16:20:19,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 16:20:19,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 16:20:19,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 16:20:19,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 16:20:19,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 16:20:19,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 16:20:19,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 16:20:19,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 16:20:19,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 16:20:19,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 16:20:19,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 16:20:19,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 16:20:19,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 16:20:19,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 16:20:19,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 16:20:19,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 16:20:19,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 16:20:19,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 16:20:19,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 16:20:19,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 16:20:19,084 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-11-09 16:20:19,143 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 16:20:19,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 16:20:19,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 16:20:19,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 16:20:19,150 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 16:20:19,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 16:20:19,150 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 16:20:19,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 16:20:19,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 16:20:19,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 16:20:19,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 16:20:19,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 16:20:19,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 16:20:19,153 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 16:20:19,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 16:20:19,153 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 16:20:19,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 16:20:19,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 16:20:19,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 16:20:19,154 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 16:20:19,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 16:20:19,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 16:20:19,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 16:20:19,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 16:20:19,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 16:20:19,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 16:20:19,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 16:20:19,156 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 16:20:19,156 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 16:20:19,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 16:20:19,157 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 16:20:19,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 16:20:19,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 16:20:19,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 16:20:19,673 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 16:20:19,673 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 16:20:19,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-1.i [2020-11-09 16:20:19,757 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5497e0fa/3801302ccc9e44f6a905fde95d3d2d1a/FLAGb49173afd [2020-11-09 16:20:20,496 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 16:20:20,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-1.i [2020-11-09 16:20:20,526 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5497e0fa/3801302ccc9e44f6a905fde95d3d2d1a/FLAGb49173afd [2020-11-09 16:20:20,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5497e0fa/3801302ccc9e44f6a905fde95d3d2d1a [2020-11-09 16:20:20,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 16:20:20,744 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 16:20:20,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 16:20:20,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 16:20:20,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 16:20:20,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:20:20" (1/1) ... [2020-11-09 16:20:20,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2279eb8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:20, skipping insertion in model container [2020-11-09 16:20:20,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:20:20" (1/1) ... [2020-11-09 16:20:20,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 16:20:20,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 16:20:21,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 16:20:21,493 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 16:20:21,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 16:20:21,783 INFO L208 MainTranslator]: Completed translation [2020-11-09 16:20:21,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:21 WrapperNode [2020-11-09 16:20:21,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 16:20:21,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 16:20:21,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 16:20:21,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 16:20:21,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:21" (1/1) ... [2020-11-09 16:20:21,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:21" (1/1) ... [2020-11-09 16:20:21,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 16:20:21,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 16:20:21,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 16:20:21,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 16:20:21,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:21" (1/1) ... [2020-11-09 16:20:21,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:21" (1/1) ... [2020-11-09 16:20:21,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:21" (1/1) ... [2020-11-09 16:20:21,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:21" (1/1) ... [2020-11-09 16:20:21,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:21" (1/1) ... [2020-11-09 16:20:21,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:21" (1/1) ... [2020-11-09 16:20:21,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:21" (1/1) ... [2020-11-09 16:20:21,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 16:20:21,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 16:20:21,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 16:20:21,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 16:20:21,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 16:20:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-11-09 16:20:22,025 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-11-09 16:20:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-11-09 16:20:22,026 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-11-09 16:20:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 16:20:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 16:20:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-09 16:20:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 16:20:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-09 16:20:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 16:20:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 16:20:22,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 16:20:22,032 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 16:20:22,814 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 16:20:22,814 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-11-09 16:20:22,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:20:22 BoogieIcfgContainer [2020-11-09 16:20:22,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 16:20:22,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 16:20:22,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 16:20:22,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 16:20:22,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:20:20" (1/3) ... [2020-11-09 16:20:22,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c44061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:20:22, skipping insertion in model container [2020-11-09 16:20:22,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:20:21" (2/3) ... [2020-11-09 16:20:22,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c44061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:20:22, skipping insertion in model container [2020-11-09 16:20:22,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:20:22" (3/3) ... [2020-11-09 16:20:22,829 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2020-11-09 16:20:22,848 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 16:20:22,848 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 16:20:22,854 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-09 16:20:22,855 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 16:20:22,923 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,924 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,924 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,924 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,925 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,925 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,925 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,925 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,925 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,926 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,926 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,926 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,926 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,927 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,927 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,927 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,927 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,927 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,929 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,929 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,929 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,929 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,930 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,930 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,930 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,930 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,930 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,930 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,931 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,931 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,931 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,931 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,931 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,932 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,932 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,932 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,932 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,933 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,933 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,933 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,933 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,934 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,934 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,934 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,934 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,934 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,935 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,935 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,935 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,935 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,935 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,936 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,936 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,936 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,936 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,936 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,936 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,937 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,937 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,937 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,937 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,937 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,937 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,938 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,938 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,938 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,938 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,938 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,939 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,939 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,939 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,939 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,939 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,940 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,940 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,940 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,940 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,942 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,942 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,942 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,942 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,942 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,942 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,944 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,944 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,944 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,944 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,945 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,945 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,946 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,946 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,946 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,947 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,950 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,951 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,953 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,953 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,956 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,956 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,956 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,956 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,957 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,957 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,957 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,957 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,957 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,958 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,958 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,958 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,958 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,958 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,959 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,959 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,959 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,959 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,960 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,960 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,960 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,960 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,961 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,961 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,961 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,963 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,963 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,964 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,964 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,965 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,965 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,966 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,966 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,967 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,967 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,968 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,968 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,981 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,981 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,981 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,981 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,981 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,982 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,982 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,982 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,982 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,982 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,983 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,983 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,983 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,983 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,983 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,984 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,984 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,984 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,985 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,985 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,986 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,991 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,992 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,992 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,992 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,993 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,993 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,993 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,993 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,994 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,995 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,995 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,995 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,995 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,995 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:22,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,002 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,002 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,002 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,003 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,003 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,003 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,003 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,005 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,005 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,005 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,005 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,005 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,006 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,006 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,006 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,006 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:20:23,018 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-09 16:20:23,031 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-09 16:20:23,057 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 16:20:23,057 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 16:20:23,057 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 16:20:23,057 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 16:20:23,057 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 16:20:23,058 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 16:20:23,058 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 16:20:23,058 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 16:20:23,075 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 16:20:23,075 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 159 transitions, 340 flow [2020-11-09 16:20:23,079 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 159 transitions, 340 flow [2020-11-09 16:20:23,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 159 transitions, 340 flow [2020-11-09 16:20:23,165 INFO L129 PetriNetUnfolder]: 13/159 cut-off events. [2020-11-09 16:20:23,165 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-11-09 16:20:23,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 159 events. 13/159 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 433 event pairs, 0 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 123. Up to 3 conditions per place. [2020-11-09 16:20:23,184 INFO L116 LiptonReduction]: Number of co-enabled transitions 7732 [2020-11-09 16:20:27,198 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-11-09 16:20:27,441 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-11-09 16:20:28,622 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2020-11-09 16:20:28,828 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-11-09 16:20:29,337 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-09 16:20:29,515 WARN L194 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-11-09 16:20:29,726 WARN L194 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-09 16:20:29,905 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-11-09 16:20:30,975 WARN L194 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 133 [2020-11-09 16:20:31,397 WARN L194 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-11-09 16:20:32,482 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 143 DAG size of output: 133 [2020-11-09 16:20:32,968 WARN L194 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-11-09 16:20:32,982 INFO L131 LiptonReduction]: Checked pairs total: 13032 [2020-11-09 16:20:32,982 INFO L133 LiptonReduction]: Total number of compositions: 146 [2020-11-09 16:20:32,991 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 41 transitions, 104 flow [2020-11-09 16:20:33,019 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 360 states. [2020-11-09 16:20:33,022 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states. [2020-11-09 16:20:33,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-09 16:20:33,029 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:20:33,029 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-09 16:20:33,030 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:20:33,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:20:33,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1914063777, now seen corresponding path program 1 times [2020-11-09 16:20:33,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:20:33,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016363687] [2020-11-09 16:20:33,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:20:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:20:33,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:20:33,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016363687] [2020-11-09 16:20:33,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:20:33,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 16:20:33,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [304748334] [2020-11-09 16:20:33,383 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:20:33,387 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:20:33,402 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-11-09 16:20:33,402 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:20:33,408 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:20:33,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 16:20:33,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:20:33,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 16:20:33,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:20:33,433 INFO L87 Difference]: Start difference. First operand 360 states. Second operand 3 states. [2020-11-09 16:20:33,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:20:33,525 INFO L93 Difference]: Finished difference Result 652 states and 1665 transitions. [2020-11-09 16:20:33,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 16:20:33,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-09 16:20:33,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:20:33,554 INFO L225 Difference]: With dead ends: 652 [2020-11-09 16:20:33,554 INFO L226 Difference]: Without dead ends: 630 [2020-11-09 16:20:33,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:20:33,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-11-09 16:20:33,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 462. [2020-11-09 16:20:33,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-11-09 16:20:33,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 1240 transitions. [2020-11-09 16:20:33,681 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 1240 transitions. Word has length 6 [2020-11-09 16:20:33,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:20:33,681 INFO L481 AbstractCegarLoop]: Abstraction has 462 states and 1240 transitions. [2020-11-09 16:20:33,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 16:20:33,681 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 1240 transitions. [2020-11-09 16:20:33,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 16:20:33,684 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:20:33,684 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:20:33,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 16:20:33,685 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:20:33,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:20:33,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1038426132, now seen corresponding path program 1 times [2020-11-09 16:20:33,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:20:33,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469688519] [2020-11-09 16:20:33,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:20:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:20:33,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:20:33,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469688519] [2020-11-09 16:20:33,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:20:33,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 16:20:33,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [625249769] [2020-11-09 16:20:33,773 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:20:33,774 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:20:33,775 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-11-09 16:20:33,775 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:20:33,776 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:20:33,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 16:20:33,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:20:33,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 16:20:33,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:20:33,778 INFO L87 Difference]: Start difference. First operand 462 states and 1240 transitions. Second operand 3 states. [2020-11-09 16:20:33,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:20:33,801 INFO L93 Difference]: Finished difference Result 561 states and 1452 transitions. [2020-11-09 16:20:33,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 16:20:33,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-09 16:20:33,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:20:33,808 INFO L225 Difference]: With dead ends: 561 [2020-11-09 16:20:33,808 INFO L226 Difference]: Without dead ends: 539 [2020-11-09 16:20:33,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:20:33,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2020-11-09 16:20:33,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 499. [2020-11-09 16:20:33,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2020-11-09 16:20:33,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 1332 transitions. [2020-11-09 16:20:33,853 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 1332 transitions. Word has length 9 [2020-11-09 16:20:33,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:20:33,854 INFO L481 AbstractCegarLoop]: Abstraction has 499 states and 1332 transitions. [2020-11-09 16:20:33,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 16:20:33,855 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 1332 transitions. [2020-11-09 16:20:33,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 16:20:33,856 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:20:33,856 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:20:33,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 16:20:33,856 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:20:33,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:20:33,857 INFO L82 PathProgramCache]: Analyzing trace with hash 225695768, now seen corresponding path program 1 times [2020-11-09 16:20:33,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:20:33,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721915588] [2020-11-09 16:20:33,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:20:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:20:33,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:20:33,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721915588] [2020-11-09 16:20:33,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:20:33,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 16:20:33,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [910798239] [2020-11-09 16:20:33,945 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:20:33,946 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:20:33,950 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-11-09 16:20:33,950 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:20:33,951 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:20:33,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 16:20:33,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:20:33,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 16:20:33,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:20:33,954 INFO L87 Difference]: Start difference. First operand 499 states and 1332 transitions. Second operand 3 states. [2020-11-09 16:20:33,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:20:33,984 INFO L93 Difference]: Finished difference Result 539 states and 1435 transitions. [2020-11-09 16:20:33,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 16:20:33,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-11-09 16:20:33,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:20:33,993 INFO L225 Difference]: With dead ends: 539 [2020-11-09 16:20:33,994 INFO L226 Difference]: Without dead ends: 539 [2020-11-09 16:20:33,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:20:33,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2020-11-09 16:20:34,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 539. [2020-11-09 16:20:34,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2020-11-09 16:20:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 1435 transitions. [2020-11-09 16:20:34,047 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 1435 transitions. Word has length 10 [2020-11-09 16:20:34,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:20:34,047 INFO L481 AbstractCegarLoop]: Abstraction has 539 states and 1435 transitions. [2020-11-09 16:20:34,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 16:20:34,049 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1435 transitions. [2020-11-09 16:20:34,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 16:20:34,058 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:20:34,058 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:20:34,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 16:20:34,059 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:20:34,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:20:34,061 INFO L82 PathProgramCache]: Analyzing trace with hash 55576146, now seen corresponding path program 1 times [2020-11-09 16:20:34,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:20:34,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760867852] [2020-11-09 16:20:34,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:20:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:20:34,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:20:34,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760867852] [2020-11-09 16:20:34,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527109476] [2020-11-09 16:20:34,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:20:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:20:34,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-09 16:20:34,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:20:34,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:20:34,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:20:34,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-11-09 16:20:34,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [705126648] [2020-11-09 16:20:34,417 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:20:34,420 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:20:34,423 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-11-09 16:20:34,423 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:20:34,424 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:20:34,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 16:20:34,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:20:34,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 16:20:34,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-09 16:20:34,426 INFO L87 Difference]: Start difference. First operand 539 states and 1435 transitions. Second operand 5 states. [2020-11-09 16:20:34,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:20:34,575 INFO L93 Difference]: Finished difference Result 1015 states and 2609 transitions. [2020-11-09 16:20:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 16:20:34,576 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-11-09 16:20:34,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:20:34,586 INFO L225 Difference]: With dead ends: 1015 [2020-11-09 16:20:34,586 INFO L226 Difference]: Without dead ends: 1015 [2020-11-09 16:20:34,587 INFO L677 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 [2020-11-09 16:20:34,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2020-11-09 16:20:34,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 739. [2020-11-09 16:20:34,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-11-09 16:20:34,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1976 transitions. [2020-11-09 16:20:34,628 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1976 transitions. Word has length 14 [2020-11-09 16:20:34,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:20:34,629 INFO L481 AbstractCegarLoop]: Abstraction has 739 states and 1976 transitions. [2020-11-09 16:20:34,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 16:20:34,629 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1976 transitions. [2020-11-09 16:20:34,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-09 16:20:34,630 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:20:34,630 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:20:34,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:20:34,846 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:20:34,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:20:34,848 INFO L82 PathProgramCache]: Analyzing trace with hash 528919466, now seen corresponding path program 1 times [2020-11-09 16:20:34,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:20:34,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137030869] [2020-11-09 16:20:34,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:20:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:20:34,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:20:34,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137030869] [2020-11-09 16:20:34,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:20:34,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 16:20:34,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [858645839] [2020-11-09 16:20:34,933 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:20:34,937 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:20:34,951 INFO L252 McrAutomatonBuilder]: Finished intersection with 44 states and 69 transitions. [2020-11-09 16:20:34,951 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:20:35,146 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [8180#(not (= (select (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset|) 0))] [2020-11-09 16:20:35,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 16:20:35,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:20:35,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 16:20:35,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-09 16:20:35,148 INFO L87 Difference]: Start difference. First operand 739 states and 1976 transitions. Second operand 4 states. [2020-11-09 16:20:35,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:20:35,188 INFO L93 Difference]: Finished difference Result 354 states and 799 transitions. [2020-11-09 16:20:35,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 16:20:35,189 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-09 16:20:35,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:20:35,192 INFO L225 Difference]: With dead ends: 354 [2020-11-09 16:20:35,192 INFO L226 Difference]: Without dead ends: 354 [2020-11-09 16:20:35,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-09 16:20:35,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-11-09 16:20:35,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 328. [2020-11-09 16:20:35,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-11-09 16:20:35,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 732 transitions. [2020-11-09 16:20:35,204 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 732 transitions. Word has length 17 [2020-11-09 16:20:35,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:20:35,205 INFO L481 AbstractCegarLoop]: Abstraction has 328 states and 732 transitions. [2020-11-09 16:20:35,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 16:20:35,205 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 732 transitions. [2020-11-09 16:20:35,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 16:20:35,206 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:20:35,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:20:35,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 16:20:35,206 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:20:35,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:20:35,207 INFO L82 PathProgramCache]: Analyzing trace with hash -84581719, now seen corresponding path program 1 times [2020-11-09 16:20:35,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:20:35,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686639094] [2020-11-09 16:20:35,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:20:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:20:35,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:20:35,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686639094] [2020-11-09 16:20:35,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:20:35,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 16:20:35,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [432250017] [2020-11-09 16:20:35,283 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:20:35,287 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:20:35,295 INFO L252 McrAutomatonBuilder]: Finished intersection with 41 states and 62 transitions. [2020-11-09 16:20:35,295 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:20:35,417 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:20:35,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 16:20:35,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:20:35,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 16:20:35,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-09 16:20:35,418 INFO L87 Difference]: Start difference. First operand 328 states and 732 transitions. Second operand 5 states. [2020-11-09 16:20:35,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:20:35,515 INFO L93 Difference]: Finished difference Result 500 states and 1111 transitions. [2020-11-09 16:20:35,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 16:20:35,515 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-11-09 16:20:35,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:20:35,519 INFO L225 Difference]: With dead ends: 500 [2020-11-09 16:20:35,519 INFO L226 Difference]: Without dead ends: 500 [2020-11-09 16:20:35,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 4 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-09 16:20:35,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2020-11-09 16:20:35,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 373. [2020-11-09 16:20:35,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-11-09 16:20:35,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 837 transitions. [2020-11-09 16:20:35,534 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 837 transitions. Word has length 18 [2020-11-09 16:20:35,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:20:35,534 INFO L481 AbstractCegarLoop]: Abstraction has 373 states and 837 transitions. [2020-11-09 16:20:35,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 16:20:35,534 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 837 transitions. [2020-11-09 16:20:35,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-09 16:20:35,536 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:20:35,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:20:35,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 16:20:35,536 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:20:35,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:20:35,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1120611049, now seen corresponding path program 1 times [2020-11-09 16:20:35,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:20:35,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937151029] [2020-11-09 16:20:35,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:20:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:20:36,348 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 20 [2020-11-09 16:20:36,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:20:36,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937151029] [2020-11-09 16:20:36,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:20:36,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-09 16:20:36,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1457840032] [2020-11-09 16:20:36,662 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:20:36,669 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:20:36,680 INFO L252 McrAutomatonBuilder]: Finished intersection with 45 states and 66 transitions. [2020-11-09 16:20:36,680 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:20:36,954 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:20:36,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-09 16:20:36,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:20:36,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-09 16:20:36,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-11-09 16:20:36,956 INFO L87 Difference]: Start difference. First operand 373 states and 837 transitions. Second operand 10 states. [2020-11-09 16:20:37,654 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-11-09 16:20:37,887 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-11-09 16:20:38,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:20:38,272 INFO L93 Difference]: Finished difference Result 698 states and 1547 transitions. [2020-11-09 16:20:38,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-09 16:20:38,274 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2020-11-09 16:20:38,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:20:38,279 INFO L225 Difference]: With dead ends: 698 [2020-11-09 16:20:38,279 INFO L226 Difference]: Without dead ends: 698 [2020-11-09 16:20:38,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 6 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2020-11-09 16:20:38,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2020-11-09 16:20:38,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 524. [2020-11-09 16:20:38,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-11-09 16:20:38,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 1213 transitions. [2020-11-09 16:20:38,300 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 1213 transitions. Word has length 22 [2020-11-09 16:20:38,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:20:38,301 INFO L481 AbstractCegarLoop]: Abstraction has 524 states and 1213 transitions. [2020-11-09 16:20:38,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-09 16:20:38,301 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1213 transitions. [2020-11-09 16:20:38,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-09 16:20:38,303 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:20:38,303 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:20:38,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-09 16:20:38,303 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:20:38,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:20:38,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1249393865, now seen corresponding path program 2 times [2020-11-09 16:20:38,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:20:38,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140681952] [2020-11-09 16:20:38,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:20:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:20:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:20:38,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140681952] [2020-11-09 16:20:38,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:20:38,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-09 16:20:38,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1403699082] [2020-11-09 16:20:38,745 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:20:38,750 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:20:38,757 INFO L252 McrAutomatonBuilder]: Finished intersection with 35 states and 46 transitions. [2020-11-09 16:20:38,757 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:20:38,819 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:20:38,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-09 16:20:38,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:20:38,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-09 16:20:38,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-11-09 16:20:38,820 INFO L87 Difference]: Start difference. First operand 524 states and 1213 transitions. Second operand 10 states. [2020-11-09 16:20:39,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:20:39,348 INFO L93 Difference]: Finished difference Result 847 states and 1909 transitions. [2020-11-09 16:20:39,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-09 16:20:39,349 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2020-11-09 16:20:39,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:20:39,354 INFO L225 Difference]: With dead ends: 847 [2020-11-09 16:20:39,355 INFO L226 Difference]: Without dead ends: 847 [2020-11-09 16:20:39,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-11-09 16:20:39,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2020-11-09 16:20:39,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 510. [2020-11-09 16:20:39,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2020-11-09 16:20:39,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 1176 transitions. [2020-11-09 16:20:39,374 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 1176 transitions. Word has length 22 [2020-11-09 16:20:39,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:20:39,375 INFO L481 AbstractCegarLoop]: Abstraction has 510 states and 1176 transitions. [2020-11-09 16:20:39,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-09 16:20:39,375 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1176 transitions. [2020-11-09 16:20:39,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-09 16:20:39,376 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:20:39,377 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-11-09 16:20:39,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-09 16:20:39,377 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:20:39,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:20:39,377 INFO L82 PathProgramCache]: Analyzing trace with hash 382383429, now seen corresponding path program 2 times [2020-11-09 16:20:39,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:20:39,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997723449] [2020-11-09 16:20:39,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:20:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:20:39,464 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:20:39,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997723449] [2020-11-09 16:20:39,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319405262] [2020-11-09 16:20:39,464 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:20:39,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 16:20:39,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 16:20:39,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-09 16:20:39,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:20:39,622 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:20:39,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:20:39,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-11-09 16:20:39,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2070979738] [2020-11-09 16:20:39,623 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:20:39,627 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:20:39,632 INFO L252 McrAutomatonBuilder]: Finished intersection with 23 states and 22 transitions. [2020-11-09 16:20:39,632 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:20:39,633 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:20:39,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 16:20:39,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:20:39,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 16:20:39,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-11-09 16:20:39,634 INFO L87 Difference]: Start difference. First operand 510 states and 1176 transitions. Second operand 7 states. [2020-11-09 16:20:39,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:20:39,731 INFO L93 Difference]: Finished difference Result 845 states and 1895 transitions. [2020-11-09 16:20:39,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 16:20:39,732 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-11-09 16:20:39,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:20:39,737 INFO L225 Difference]: With dead ends: 845 [2020-11-09 16:20:39,737 INFO L226 Difference]: Without dead ends: 845 [2020-11-09 16:20:39,738 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-09 16:20:39,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2020-11-09 16:20:39,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 602. [2020-11-09 16:20:39,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-11-09 16:20:39,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 1380 transitions. [2020-11-09 16:20:39,758 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 1380 transitions. Word has length 22 [2020-11-09 16:20:39,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:20:39,759 INFO L481 AbstractCegarLoop]: Abstraction has 602 states and 1380 transitions. [2020-11-09 16:20:39,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 16:20:39,759 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 1380 transitions. [2020-11-09 16:20:39,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 16:20:39,760 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:20:39,760 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:20:39,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:20:39,974 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:20:39,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:20:39,975 INFO L82 PathProgramCache]: Analyzing trace with hash 658105628, now seen corresponding path program 1 times [2020-11-09 16:20:39,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:20:39,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292728971] [2020-11-09 16:20:39,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:20:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:20:40,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:20:40,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292728971] [2020-11-09 16:20:40,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630879743] [2020-11-09 16:20:40,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:20:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:20:40,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-09 16:20:40,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:20:40,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 16:20:40,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-09 16:20:40,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2020-11-09 16:20:40,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [251786002] [2020-11-09 16:20:40,247 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:20:40,252 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:20:40,268 INFO L252 McrAutomatonBuilder]: Finished intersection with 48 states and 69 transitions. [2020-11-09 16:20:40,268 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:20:40,394 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:20:40,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-09 16:20:40,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:20:40,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-09 16:20:40,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-09 16:20:40,395 INFO L87 Difference]: Start difference. First operand 602 states and 1380 transitions. Second operand 6 states. [2020-11-09 16:20:40,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:20:40,510 INFO L93 Difference]: Finished difference Result 834 states and 1865 transitions. [2020-11-09 16:20:40,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 16:20:40,511 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2020-11-09 16:20:40,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:20:40,519 INFO L225 Difference]: With dead ends: 834 [2020-11-09 16:20:40,519 INFO L226 Difference]: Without dead ends: 834 [2020-11-09 16:20:40,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-11-09 16:20:40,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-11-09 16:20:40,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 630. [2020-11-09 16:20:40,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-11-09 16:20:40,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 1456 transitions. [2020-11-09 16:20:40,544 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 1456 transitions. Word has length 25 [2020-11-09 16:20:40,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:20:40,545 INFO L481 AbstractCegarLoop]: Abstraction has 630 states and 1456 transitions. [2020-11-09 16:20:40,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-09 16:20:40,545 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1456 transitions. [2020-11-09 16:20:40,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-09 16:20:40,546 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:20:40,547 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:20:40,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-09 16:20:40,762 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:20:40,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:20:40,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1074745785, now seen corresponding path program 1 times [2020-11-09 16:20:40,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:20:40,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816227485] [2020-11-09 16:20:40,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:20:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 16:20:40,837 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 16:20:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 16:20:40,912 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 16:20:40,960 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 16:20:40,961 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 16:20:40,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-09 16:20:41,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:20:41 BasicIcfg [2020-11-09 16:20:41,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 16:20:41,093 INFO L168 Benchmark]: Toolchain (without parser) took 20353.44 ms. Allocated memory was 160.4 MB in the beginning and 297.8 MB in the end (delta: 137.4 MB). Free memory was 134.0 MB in the beginning and 167.0 MB in the end (delta: -33.0 MB). Peak memory consumption was 105.4 MB. Max. memory is 8.0 GB. [2020-11-09 16:20:41,094 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 160.4 MB. Free memory is still 134.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 16:20:41,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1037.81 ms. Allocated memory is still 160.4 MB. Free memory was 133.6 MB in the beginning and 129.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. [2020-11-09 16:20:41,100 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.94 ms. Allocated memory is still 160.4 MB. Free memory was 129.3 MB in the beginning and 126.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 16:20:41,100 INFO L168 Benchmark]: Boogie Preprocessor took 39.26 ms. Allocated memory is still 160.4 MB. Free memory was 126.7 MB in the beginning and 125.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 16:20:41,103 INFO L168 Benchmark]: RCFGBuilder took 891.39 ms. Allocated memory is still 160.4 MB. Free memory was 125.1 MB in the beginning and 91.6 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. [2020-11-09 16:20:41,103 INFO L168 Benchmark]: TraceAbstraction took 18270.82 ms. Allocated memory was 160.4 MB in the beginning and 297.8 MB in the end (delta: 137.4 MB). Free memory was 91.0 MB in the beginning and 167.0 MB in the end (delta: -75.9 MB). Peak memory consumption was 61.4 MB. Max. memory is 8.0 GB. [2020-11-09 16:20:41,109 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 160.4 MB. Free memory is still 134.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1037.81 ms. Allocated memory is still 160.4 MB. Free memory was 133.6 MB in the beginning and 129.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 98.94 ms. Allocated memory is still 160.4 MB. Free memory was 129.3 MB in the beginning and 126.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 39.26 ms. Allocated memory is still 160.4 MB. Free memory was 126.7 MB in the beginning and 125.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 891.39 ms. Allocated memory is still 160.4 MB. Free memory was 125.1 MB in the beginning and 91.6 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 18270.82 ms. Allocated memory was 160.4 MB in the beginning and 297.8 MB in the end (delta: 137.4 MB). Free memory was 91.0 MB in the beginning and 167.0 MB in the end (delta: -75.9 MB). Peak memory consumption was 61.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4289 VarBasedMoverChecksPositive, 60 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 227 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 9.9s, 152 PlacesBefore, 41 PlacesAfterwards, 159 TransitionsBefore, 41 TransitionsAfterwards, 7732 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 87 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 22 ConcurrentYvCompositions, 7 ChoiceCompositions, 146 TotalNumberOfCompositions, 13032 MoverChecksTotal - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L927] 0 static int top=0; [L928] 0 static unsigned int arr[(800)]; [L929] 0 pthread_mutex_t m; [L930] 0 _Bool flag=(0); [L1012] 0 pthread_t id1, id2; [L1014] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={6:0}, flag=0, m={13:0}, top=0] [L1015] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={6:0}, flag=0, m={13:0}, top=0] [L981] 1 int i; [L982] 1 unsigned int tmp; [L983] 1 i=0 VAL [arr={6:0}, flag=0, m={13:0}, top=0] [L983] COND TRUE 1 i<(800) [L986] 1 tmp = __VERIFIER_nondet_uint() [L15] COND FALSE 1 !(!cond) [L997] 2 int i; [L998] 2 i=0 VAL [arr={6:0}, flag=0, m={13:0}, top=0] [L953] COND FALSE 1 !(top==(800)) VAL [arr={6:0}, flag=0, m={13:0}, top=0] [L945] 1 return top; [L960] 1 stack[get_top()] = x [L937] 1 top++ [L963] 1 return 0; [L988] COND FALSE 1 !(push(arr,tmp)==(-1)) [L990] 1 flag=(1) VAL [arr={6:0}, flag=1, m={13:0}, top=1] [L983] 1 i++ VAL [arr={6:0}, flag=1, m={13:0}, top=1] [L998] COND TRUE 2 i<(800) [L1001] COND TRUE 2 \read(flag) [L945] 2 return top; VAL [arr={6:0}, flag=1, m={13:0}, top=1] [L967] COND FALSE 2 !(get_top()==0) [L941] 2 top-- [L945] 2 return top; [L975] EXPR 2 stack[get_top()] [L975] 2 return stack[get_top()]; [L1003] COND FALSE 2 !(!(pop(arr)!=(-2))) [L998] 2 i++ VAL [arr={6:0}, flag=1, m={13:0}, top=0] [L998] COND TRUE 2 i<(800) [L1001] COND TRUE 2 \read(flag) [L945] 2 return top; [L967] COND TRUE 2 get_top()==0 [L970] 2 return (-2); [L1003] COND TRUE 2 !(pop(arr)!=(-2)) [L12] COND FALSE 2 !(0) [L12] 2 __assert_fail ("0", "stack_longest-1.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [arr={6:0}, flag=1, m={13:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 146 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 17.9s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.9s, HoareTripleCheckerStatistics: 475 SDtfs, 580 SDslu, 1129 SDs, 0 SdLazy, 625 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 220 GetRequests, 147 SyntacticMatches, 14 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=739occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1595 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 50616 SizeOfPredicates, 8 NumberOfNonLiveVariables, 594 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 10/40 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...