/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-WP.epf -i ../../../trunk/examples/svcomp/pthread/stack_longer-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 14:52:08,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 14:52:08,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 14:52:08,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 14:52:08,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 14:52:08,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 14:52:08,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 14:52:08,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 14:52:08,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 14:52:08,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 14:52:08,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 14:52:08,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 14:52:08,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 14:52:08,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 14:52:08,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 14:52:08,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 14:52:08,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 14:52:08,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 14:52:09,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 14:52:09,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 14:52:09,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 14:52:09,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 14:52:09,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 14:52:09,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 14:52:09,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-09 14:52:09,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-09 14:52:09,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-09 14:52:09,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-09 14:52:09,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-09 14:52:09,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-09 14:52:09,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 14:52:09,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 14:52:09,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 14:52:09,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 14:52:09,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 14:52:09,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 14:52:09,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 14:52:09,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 14:52:09,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 14:52:09,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 14:52:09,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 14:52:09,072 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-WP.epf [2020-11-09 14:52:09,139 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 14:52:09,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 14:52:09,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 14:52:09,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 14:52:09,145 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 14:52:09,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 14:52:09,146 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 14:52:09,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 14:52:09,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 14:52:09,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 14:52:09,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 14:52:09,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 14:52:09,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 14:52:09,149 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 14:52:09,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 14:52:09,149 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 14:52:09,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 14:52:09,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 14:52:09,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 14:52:09,150 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 14:52:09,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 14:52:09,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 14:52:09,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 14:52:09,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 14:52:09,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 14:52:09,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 14:52:09,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 14:52:09,152 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 14:52:09,152 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 14:52:09,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 14:52:09,152 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 14:52:09,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 14:52:09,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 14:52:09,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 14:52:09,635 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 14:52:09,636 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 14:52:09,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-2.i [2020-11-09 14:52:09,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c712872/d7b0dd462a0e419295812f8f011cdd96/FLAG01cbde84a [2020-11-09 14:52:10,649 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 14:52:10,651 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i [2020-11-09 14:52:10,683 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c712872/d7b0dd462a0e419295812f8f011cdd96/FLAG01cbde84a [2020-11-09 14:52:10,883 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c712872/d7b0dd462a0e419295812f8f011cdd96 [2020-11-09 14:52:10,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 14:52:10,893 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 14:52:10,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 14:52:10,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 14:52:10,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 14:52:10,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:52:10" (1/1) ... [2020-11-09 14:52:10,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64315fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:10, skipping insertion in model container [2020-11-09 14:52:10,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:52:10" (1/1) ... [2020-11-09 14:52:10,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 14:52:10,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 14:52:11,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 14:52:11,527 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 14:52:11,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 14:52:11,856 INFO L208 MainTranslator]: Completed translation [2020-11-09 14:52:11,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:11 WrapperNode [2020-11-09 14:52:11,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 14:52:11,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 14:52:11,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 14:52:11,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 14:52:11,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:11" (1/1) ... [2020-11-09 14:52:11,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:11" (1/1) ... [2020-11-09 14:52:11,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 14:52:11,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 14:52:11,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 14:52:11,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 14:52:11,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:11" (1/1) ... [2020-11-09 14:52:11,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:11" (1/1) ... [2020-11-09 14:52:11,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:11" (1/1) ... [2020-11-09 14:52:11,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:11" (1/1) ... [2020-11-09 14:52:11,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:11" (1/1) ... [2020-11-09 14:52:11,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:11" (1/1) ... [2020-11-09 14:52:11,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:11" (1/1) ... [2020-11-09 14:52:11,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 14:52:11,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 14:52:11,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 14:52:11,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 14:52:11,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:11" (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 14:52:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-11-09 14:52:12,073 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-11-09 14:52:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-11-09 14:52:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-11-09 14:52:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 14:52:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 14:52:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-09 14:52:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 14:52:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-09 14:52:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 14:52:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 14:52:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 14:52:12,080 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 14:52:12,852 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 14:52:12,853 INFO L298 CfgBuilder]: Removed 28 assume(true) statements. [2020-11-09 14:52:12,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:52:12 BoogieIcfgContainer [2020-11-09 14:52:12,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 14:52:12,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 14:52:12,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 14:52:12,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 14:52:12,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:52:10" (1/3) ... [2020-11-09 14:52:12,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4268860a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:52:12, skipping insertion in model container [2020-11-09 14:52:12,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:52:11" (2/3) ... [2020-11-09 14:52:12,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4268860a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:52:12, skipping insertion in model container [2020-11-09 14:52:12,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:52:12" (3/3) ... [2020-11-09 14:52:12,868 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longer-2.i [2020-11-09 14:52:12,890 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 14:52:12,890 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 14:52:12,895 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-09 14:52:12,897 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 14:52:12,968 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,968 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,969 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,969 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,969 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,970 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,970 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,970 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,970 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,971 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,971 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,971 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,971 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,972 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,972 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,972 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,973 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,973 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,974 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,974 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,975 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,975 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,975 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,975 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,976 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,977 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,977 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,977 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,978 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,978 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,978 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,978 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,978 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,980 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,980 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,981 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,981 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,981 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,981 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,981 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,982 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,982 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,982 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,983 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,984 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,984 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,984 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,985 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,985 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,985 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,985 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,985 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,986 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,986 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,986 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,986 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,986 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,987 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,987 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,988 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,988 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,988 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,988 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,988 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,989 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,989 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,989 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,989 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,989 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,990 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,993 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,993 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,995 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,995 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,995 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,995 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,997 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,997 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,997 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,997 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,998 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:12,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,003 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,004 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,006 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,006 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,011 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,012 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,012 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,012 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,012 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,013 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,013 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,015 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,015 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,015 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,015 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,016 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,016 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,016 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,016 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,017 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,017 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,017 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,017 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,018 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,018 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,018 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,018 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,019 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,019 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,019 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,019 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,020 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,020 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,020 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,020 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,020 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,020 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,021 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,022 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,022 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,022 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,022 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,024 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,025 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,025 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,025 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,027 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,027 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,028 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,028 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,029 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,029 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,029 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,029 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,033 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,033 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,034 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,034 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,034 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,034 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,035 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,035 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,035 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,035 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,035 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,036 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,036 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,036 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,036 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,036 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,036 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,037 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,037 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,037 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,037 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,037 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,038 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,038 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,038 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,038 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,039 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,039 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,039 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,040 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,041 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,041 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,041 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,041 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,042 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,042 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,042 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,042 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,042 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,062 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,063 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,063 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,063 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,063 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,063 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,064 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,064 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,064 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,064 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,064 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,065 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,065 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,065 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,065 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,066 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,074 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,074 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,074 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,075 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,075 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,075 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,075 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,075 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,075 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,076 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,076 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,080 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,081 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,081 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,081 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,081 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,082 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,082 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,082 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,082 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,082 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,082 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,083 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,083 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,083 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,083 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,083 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,083 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,084 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,084 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,085 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,085 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,085 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,085 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,088 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,088 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,089 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,089 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,089 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,089 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,089 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,090 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,090 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,090 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,090 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,090 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,091 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,091 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,091 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,091 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,091 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,092 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,092 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,092 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,092 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,092 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,093 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,093 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,093 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,101 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,101 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,101 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,102 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,103 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,103 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,103 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,103 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,103 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,104 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,104 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,104 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,104 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,104 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,105 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,105 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,105 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,105 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,105 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,105 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 14:52:13,116 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-09 14:52:13,133 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-09 14:52:13,171 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 14:52:13,171 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 14:52:13,171 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 14:52:13,172 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 14:52:13,172 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 14:52:13,172 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 14:52:13,172 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 14:52:13,172 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 14:52:13,187 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 14:52:13,187 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 152 transitions, 326 flow [2020-11-09 14:52:13,190 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 152 transitions, 326 flow [2020-11-09 14:52:13,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 145 places, 152 transitions, 326 flow [2020-11-09 14:52:13,260 INFO L129 PetriNetUnfolder]: 13/152 cut-off events. [2020-11-09 14:52:13,260 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-11-09 14:52:13,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 152 events. 13/152 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 397 event pairs, 0 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 116. Up to 3 conditions per place. [2020-11-09 14:52:13,274 INFO L116 LiptonReduction]: Number of co-enabled transitions 6874 [2020-11-09 14:52:16,459 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-11-09 14:52:16,660 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-11-09 14:52:18,939 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-09 14:52:19,067 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-09 14:52:19,213 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-09 14:52:19,328 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-09 14:52:20,255 WARN L194 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2020-11-09 14:52:20,688 WARN L194 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-11-09 14:52:21,681 WARN L194 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2020-11-09 14:52:22,147 WARN L194 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-11-09 14:52:22,163 INFO L131 LiptonReduction]: Checked pairs total: 12236 [2020-11-09 14:52:22,163 INFO L133 LiptonReduction]: Total number of compositions: 149 [2020-11-09 14:52:22,170 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 40 transitions, 102 flow [2020-11-09 14:52:22,195 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 331 states. [2020-11-09 14:52:22,197 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states. [2020-11-09 14:52:22,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-09 14:52:22,203 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:22,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-09 14:52:22,205 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 14:52:22,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:22,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1786919100, now seen corresponding path program 1 times [2020-11-09 14:52:22,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:22,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419599875] [2020-11-09 14:52:22,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:22,472 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 14:52:22,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419599875] [2020-11-09 14:52:22,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:52:22,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 14:52:22,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1522532478] [2020-11-09 14:52:22,475 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 14:52:22,478 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 14:52:22,492 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-11-09 14:52:22,492 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 14:52:22,497 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 14:52:22,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 14:52:22,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:52:22,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 14:52:22,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 14:52:22,518 INFO L87 Difference]: Start difference. First operand 331 states. Second operand 3 states. [2020-11-09 14:52:22,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:52:22,606 INFO L93 Difference]: Finished difference Result 504 states and 1247 transitions. [2020-11-09 14:52:22,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 14:52:22,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-09 14:52:22,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:52:22,642 INFO L225 Difference]: With dead ends: 504 [2020-11-09 14:52:22,643 INFO L226 Difference]: Without dead ends: 460 [2020-11-09 14:52:22,645 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 14:52:22,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-11-09 14:52:22,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 420. [2020-11-09 14:52:22,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-11-09 14:52:22,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 1095 transitions. [2020-11-09 14:52:22,757 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 1095 transitions. Word has length 6 [2020-11-09 14:52:22,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:52:22,758 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 1095 transitions. [2020-11-09 14:52:22,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 14:52:22,758 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 1095 transitions. [2020-11-09 14:52:22,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 14:52:22,759 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:22,759 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:52:22,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 14:52:22,760 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 14:52:22,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:22,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1640121652, now seen corresponding path program 1 times [2020-11-09 14:52:22,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:22,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833116604] [2020-11-09 14:52:22,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:22,890 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 14:52:22,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833116604] [2020-11-09 14:52:22,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:52:22,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 14:52:22,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [289198554] [2020-11-09 14:52:22,892 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 14:52:22,893 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 14:52:22,894 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-11-09 14:52:22,895 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 14:52:22,896 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 14:52:22,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 14:52:22,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:52:22,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 14:52:22,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 14:52:22,899 INFO L87 Difference]: Start difference. First operand 420 states and 1095 transitions. Second operand 3 states. [2020-11-09 14:52:22,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:52:22,916 INFO L93 Difference]: Finished difference Result 464 states and 1205 transitions. [2020-11-09 14:52:22,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 14:52:22,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-11-09 14:52:22,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:52:22,921 INFO L225 Difference]: With dead ends: 464 [2020-11-09 14:52:22,921 INFO L226 Difference]: Without dead ends: 464 [2020-11-09 14:52:22,922 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 14:52:22,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-11-09 14:52:22,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2020-11-09 14:52:22,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-11-09 14:52:22,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1205 transitions. [2020-11-09 14:52:22,952 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1205 transitions. Word has length 10 [2020-11-09 14:52:22,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:52:22,952 INFO L481 AbstractCegarLoop]: Abstraction has 464 states and 1205 transitions. [2020-11-09 14:52:22,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 14:52:22,952 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1205 transitions. [2020-11-09 14:52:22,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 14:52:22,954 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:22,954 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:52:22,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 14:52:22,955 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 14:52:22,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:22,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1317417300, now seen corresponding path program 1 times [2020-11-09 14:52:22,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:22,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782501940] [2020-11-09 14:52:22,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:23,096 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 14:52:23,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782501940] [2020-11-09 14:52:23,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148569685] [2020-11-09 14:52:23,097 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 14:52:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:23,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-09 14:52:23,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:52:23,244 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 14:52:23,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:52:23,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-11-09 14:52:23,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1869896571] [2020-11-09 14:52:23,246 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 14:52:23,273 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 14:52:23,278 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-11-09 14:52:23,278 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 14:52:23,279 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 14:52:23,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 14:52:23,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:52:23,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 14:52:23,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-09 14:52:23,281 INFO L87 Difference]: Start difference. First operand 464 states and 1205 transitions. Second operand 5 states. [2020-11-09 14:52:23,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:52:23,382 INFO L93 Difference]: Finished difference Result 775 states and 1949 transitions. [2020-11-09 14:52:23,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 14:52:23,383 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-09 14:52:23,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:52:23,392 INFO L225 Difference]: With dead ends: 775 [2020-11-09 14:52:23,392 INFO L226 Difference]: Without dead ends: 775 [2020-11-09 14:52:23,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-09 14:52:23,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2020-11-09 14:52:23,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 592. [2020-11-09 14:52:23,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-11-09 14:52:23,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 1551 transitions. [2020-11-09 14:52:23,468 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 1551 transitions. Word has length 13 [2020-11-09 14:52:23,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:52:23,468 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 1551 transitions. [2020-11-09 14:52:23,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 14:52:23,468 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1551 transitions. [2020-11-09 14:52:23,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 14:52:23,475 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:23,475 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:52:23,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-09 14:52:23,691 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 14:52:23,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:23,693 INFO L82 PathProgramCache]: Analyzing trace with hash 150162657, now seen corresponding path program 1 times [2020-11-09 14:52:23,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:23,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977347299] [2020-11-09 14:52:23,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:23,789 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 14:52:23,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977347299] [2020-11-09 14:52:23,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:52:23,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:52:23,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [94187286] [2020-11-09 14:52:23,794 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 14:52:23,799 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 14:52:23,803 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 24 transitions. [2020-11-09 14:52:23,803 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 14:52:23,819 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 14:52:23,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 14:52:23,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:52:23,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 14:52:23,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 14:52:23,821 INFO L87 Difference]: Start difference. First operand 592 states and 1551 transitions. Second operand 3 states. [2020-11-09 14:52:23,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:52:23,853 INFO L93 Difference]: Finished difference Result 311 states and 689 transitions. [2020-11-09 14:52:23,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 14:52:23,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-11-09 14:52:23,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:52:23,861 INFO L225 Difference]: With dead ends: 311 [2020-11-09 14:52:23,861 INFO L226 Difference]: Without dead ends: 311 [2020-11-09 14:52:23,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 14:52:23,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-11-09 14:52:23,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 301. [2020-11-09 14:52:23,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-11-09 14:52:23,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 662 transitions. [2020-11-09 14:52:23,880 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 662 transitions. Word has length 16 [2020-11-09 14:52:23,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:52:23,881 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 662 transitions. [2020-11-09 14:52:23,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 14:52:23,881 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 662 transitions. [2020-11-09 14:52:23,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-09 14:52:23,889 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:23,890 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 14:52:23,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 14:52:23,890 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 14:52:23,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:23,891 INFO L82 PathProgramCache]: Analyzing trace with hash 129653450, now seen corresponding path program 1 times [2020-11-09 14:52:23,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:23,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161431451] [2020-11-09 14:52:23,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:23,994 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 14:52:23,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161431451] [2020-11-09 14:52:23,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:52:23,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 14:52:23,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1082548040] [2020-11-09 14:52:23,996 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 14:52:24,001 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 14:52:24,011 INFO L252 McrAutomatonBuilder]: Finished intersection with 38 states and 57 transitions. [2020-11-09 14:52:24,012 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 14:52:24,026 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 14:52:24,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 14:52:24,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:52:24,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 14:52:24,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 14:52:24,029 INFO L87 Difference]: Start difference. First operand 301 states and 662 transitions. Second operand 3 states. [2020-11-09 14:52:24,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:52:24,084 INFO L93 Difference]: Finished difference Result 379 states and 830 transitions. [2020-11-09 14:52:24,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 14:52:24,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-09 14:52:24,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:52:24,088 INFO L225 Difference]: With dead ends: 379 [2020-11-09 14:52:24,088 INFO L226 Difference]: Without dead ends: 379 [2020-11-09 14:52:24,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 14:52:24,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-11-09 14:52:24,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 319. [2020-11-09 14:52:24,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-11-09 14:52:24,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 695 transitions. [2020-11-09 14:52:24,101 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 695 transitions. Word has length 17 [2020-11-09 14:52:24,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:52:24,102 INFO L481 AbstractCegarLoop]: Abstraction has 319 states and 695 transitions. [2020-11-09 14:52:24,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 14:52:24,102 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 695 transitions. [2020-11-09 14:52:24,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-09 14:52:24,104 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:24,104 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-11-09 14:52:24,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 14:52:24,105 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 14:52:24,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:24,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1112399292, now seen corresponding path program 2 times [2020-11-09 14:52:24,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:24,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659525535] [2020-11-09 14:52:24,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:24,242 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:52:24,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659525535] [2020-11-09 14:52:24,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192163394] [2020-11-09 14:52:24,244 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 14:52:24,366 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 14:52:24,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 14:52:24,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-09 14:52:24,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:52:24,423 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:52:24,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:52:24,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-11-09 14:52:24,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2136900798] [2020-11-09 14:52:24,424 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 14:52:24,428 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 14:52:24,434 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 20 transitions. [2020-11-09 14:52:24,434 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 14:52:24,435 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 14:52:24,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 14:52:24,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:52:24,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 14:52:24,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-11-09 14:52:24,437 INFO L87 Difference]: Start difference. First operand 319 states and 695 transitions. Second operand 7 states. [2020-11-09 14:52:24,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:52:24,557 INFO L93 Difference]: Finished difference Result 520 states and 1122 transitions. [2020-11-09 14:52:24,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 14:52:24,558 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-11-09 14:52:24,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:52:24,561 INFO L225 Difference]: With dead ends: 520 [2020-11-09 14:52:24,562 INFO L226 Difference]: Without dead ends: 520 [2020-11-09 14:52:24,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-09 14:52:24,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-11-09 14:52:24,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 396. [2020-11-09 14:52:24,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-11-09 14:52:24,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 864 transitions. [2020-11-09 14:52:24,580 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 864 transitions. Word has length 20 [2020-11-09 14:52:24,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:52:24,580 INFO L481 AbstractCegarLoop]: Abstraction has 396 states and 864 transitions. [2020-11-09 14:52:24,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 14:52:24,581 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 864 transitions. [2020-11-09 14:52:24,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 14:52:24,582 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:24,582 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:52:24,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:52:24,795 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 14:52:24,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:24,797 INFO L82 PathProgramCache]: Analyzing trace with hash 2122602692, now seen corresponding path program 1 times [2020-11-09 14:52:24,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:24,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389743437] [2020-11-09 14:52:24,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:25,672 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 14:52:25,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389743437] [2020-11-09 14:52:25,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:52:25,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-09 14:52:25,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1614957655] [2020-11-09 14:52:25,674 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 14:52:25,678 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 14:52:25,688 INFO L252 McrAutomatonBuilder]: Finished intersection with 42 states and 61 transitions. [2020-11-09 14:52:25,688 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 14:52:26,028 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 14:52:26,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-09 14:52:26,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:52:26,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-09 14:52:26,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-11-09 14:52:26,030 INFO L87 Difference]: Start difference. First operand 396 states and 864 transitions. Second operand 8 states. [2020-11-09 14:52:26,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:52:26,518 INFO L93 Difference]: Finished difference Result 644 states and 1402 transitions. [2020-11-09 14:52:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-09 14:52:26,519 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2020-11-09 14:52:26,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:52:26,523 INFO L225 Difference]: With dead ends: 644 [2020-11-09 14:52:26,523 INFO L226 Difference]: Without dead ends: 563 [2020-11-09 14:52:26,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 7 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-11-09 14:52:26,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2020-11-09 14:52:26,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 442. [2020-11-09 14:52:26,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-11-09 14:52:26,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 971 transitions. [2020-11-09 14:52:26,540 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 971 transitions. Word has length 21 [2020-11-09 14:52:26,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:52:26,541 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 971 transitions. [2020-11-09 14:52:26,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-09 14:52:26,541 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 971 transitions. [2020-11-09 14:52:26,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 14:52:26,542 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:26,543 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:52:26,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-09 14:52:26,543 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 14:52:26,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:26,544 INFO L82 PathProgramCache]: Analyzing trace with hash -216122834, now seen corresponding path program 2 times [2020-11-09 14:52:26,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:26,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912884435] [2020-11-09 14:52:26,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:26,822 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 14:52:26,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912884435] [2020-11-09 14:52:26,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:52:26,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-09 14:52:26,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1001090406] [2020-11-09 14:52:26,823 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 14:52:26,827 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 14:52:26,834 INFO L252 McrAutomatonBuilder]: Finished intersection with 31 states and 39 transitions. [2020-11-09 14:52:26,834 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 14:52:26,872 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 14:52:26,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-09 14:52:26,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:52:26,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-09 14:52:26,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-11-09 14:52:26,874 INFO L87 Difference]: Start difference. First operand 442 states and 971 transitions. Second operand 8 states. [2020-11-09 14:52:27,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:52:27,221 INFO L93 Difference]: Finished difference Result 656 states and 1433 transitions. [2020-11-09 14:52:27,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 14:52:27,221 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2020-11-09 14:52:27,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:52:27,225 INFO L225 Difference]: With dead ends: 656 [2020-11-09 14:52:27,225 INFO L226 Difference]: Without dead ends: 574 [2020-11-09 14:52:27,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-09 14:52:27,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2020-11-09 14:52:27,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 424. [2020-11-09 14:52:27,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-11-09 14:52:27,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 924 transitions. [2020-11-09 14:52:27,239 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 924 transitions. Word has length 21 [2020-11-09 14:52:27,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:52:27,240 INFO L481 AbstractCegarLoop]: Abstraction has 424 states and 924 transitions. [2020-11-09 14:52:27,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-09 14:52:27,240 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 924 transitions. [2020-11-09 14:52:27,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-09 14:52:27,241 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:27,241 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] [2020-11-09 14:52:27,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-09 14:52:27,241 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 14:52:27,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:27,242 INFO L82 PathProgramCache]: Analyzing trace with hash -345042698, now seen corresponding path program 1 times [2020-11-09 14:52:27,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:27,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408774268] [2020-11-09 14:52:27,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:27,314 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 14:52:27,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408774268] [2020-11-09 14:52:27,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55261787] [2020-11-09 14:52:27,315 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 14:52:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:27,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-09 14:52:27,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:52:27,446 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 14:52:27,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-09 14:52:27,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2020-11-09 14:52:27,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2095653223] [2020-11-09 14:52:27,448 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 14:52:27,453 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 14:52:27,464 INFO L252 McrAutomatonBuilder]: Finished intersection with 45 states and 64 transitions. [2020-11-09 14:52:27,464 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 14:52:27,567 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 14:52:27,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-09 14:52:27,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:52:27,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-09 14:52:27,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-09 14:52:27,568 INFO L87 Difference]: Start difference. First operand 424 states and 924 transitions. Second operand 6 states. [2020-11-09 14:52:27,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:52:27,680 INFO L93 Difference]: Finished difference Result 647 states and 1381 transitions. [2020-11-09 14:52:27,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 14:52:27,681 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-11-09 14:52:27,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:52:27,685 INFO L225 Difference]: With dead ends: 647 [2020-11-09 14:52:27,685 INFO L226 Difference]: Without dead ends: 632 [2020-11-09 14:52:27,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-11-09 14:52:27,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-11-09 14:52:27,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 460. [2020-11-09 14:52:27,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-11-09 14:52:27,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 996 transitions. [2020-11-09 14:52:27,702 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 996 transitions. Word has length 24 [2020-11-09 14:52:27,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:52:27,702 INFO L481 AbstractCegarLoop]: Abstraction has 460 states and 996 transitions. [2020-11-09 14:52:27,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-09 14:52:27,703 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 996 transitions. [2020-11-09 14:52:27,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-09 14:52:27,704 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:27,704 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2020-11-09 14:52:27,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:52:27,907 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 14:52:27,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:27,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1313270868, now seen corresponding path program 3 times [2020-11-09 14:52:27,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:27,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836053896] [2020-11-09 14:52:27,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:28,020 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:52:28,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836053896] [2020-11-09 14:52:28,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127962611] [2020-11-09 14:52:28,021 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:52:28,171 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-11-09 14:52:28,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 14:52:28,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 14:52:28,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:52:28,206 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:52:28,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:52:28,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2020-11-09 14:52:28,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [902226518] [2020-11-09 14:52:28,207 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 14:52:28,214 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 14:52:28,221 INFO L252 McrAutomatonBuilder]: Finished intersection with 28 states and 27 transitions. [2020-11-09 14:52:28,222 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 14:52:28,222 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 14:52:28,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 14:52:28,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:52:28,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 14:52:28,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-11-09 14:52:28,224 INFO L87 Difference]: Start difference. First operand 460 states and 996 transitions. Second operand 9 states. [2020-11-09 14:52:28,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:52:28,402 INFO L93 Difference]: Finished difference Result 759 states and 1615 transitions. [2020-11-09 14:52:28,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-09 14:52:28,403 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-11-09 14:52:28,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:52:28,407 INFO L225 Difference]: With dead ends: 759 [2020-11-09 14:52:28,408 INFO L226 Difference]: Without dead ends: 759 [2020-11-09 14:52:28,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2020-11-09 14:52:28,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2020-11-09 14:52:28,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 553. [2020-11-09 14:52:28,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2020-11-09 14:52:28,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 1211 transitions. [2020-11-09 14:52:28,428 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 1211 transitions. Word has length 27 [2020-11-09 14:52:28,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:52:28,429 INFO L481 AbstractCegarLoop]: Abstraction has 553 states and 1211 transitions. [2020-11-09 14:52:28,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 14:52:28,429 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1211 transitions. [2020-11-09 14:52:28,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-09 14:52:28,431 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:28,431 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:52:28,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:52:28,644 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 14:52:28,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:28,645 INFO L82 PathProgramCache]: Analyzing trace with hash 683248086, now seen corresponding path program 3 times [2020-11-09 14:52:28,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:28,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437254941] [2020-11-09 14:52:28,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:28,949 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:52:28,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437254941] [2020-11-09 14:52:28,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 14:52:28,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-09 14:52:28,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [913277565] [2020-11-09 14:52:28,950 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 14:52:28,957 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 14:52:28,978 INFO L252 McrAutomatonBuilder]: Finished intersection with 63 states and 96 transitions. [2020-11-09 14:52:28,978 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 14:52:29,165 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 14:52:29,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-09 14:52:29,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:52:29,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-09 14:52:29,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-11-09 14:52:29,167 INFO L87 Difference]: Start difference. First operand 553 states and 1211 transitions. Second operand 13 states. [2020-11-09 14:52:30,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:52:30,857 INFO L93 Difference]: Finished difference Result 1089 states and 2333 transitions. [2020-11-09 14:52:30,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-11-09 14:52:30,857 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 28 [2020-11-09 14:52:30,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:52:30,864 INFO L225 Difference]: With dead ends: 1089 [2020-11-09 14:52:30,864 INFO L226 Difference]: Without dead ends: 1034 [2020-11-09 14:52:30,865 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 25 SyntacticMatches, 9 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=210, Invalid=912, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 14:52:30,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2020-11-09 14:52:30,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 563. [2020-11-09 14:52:30,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-11-09 14:52:30,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1242 transitions. [2020-11-09 14:52:30,888 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1242 transitions. Word has length 28 [2020-11-09 14:52:30,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:52:30,888 INFO L481 AbstractCegarLoop]: Abstraction has 563 states and 1242 transitions. [2020-11-09 14:52:30,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-09 14:52:30,888 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1242 transitions. [2020-11-09 14:52:30,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-09 14:52:30,890 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:30,890 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:52:30,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-09 14:52:30,891 INFO L429 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:52:30,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:30,891 INFO L82 PathProgramCache]: Analyzing trace with hash 795373220, now seen corresponding path program 2 times [2020-11-09 14:52:30,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:30,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734517244] [2020-11-09 14:52:30,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:30,978 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:52:30,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734517244] [2020-11-09 14:52:30,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122051056] [2020-11-09 14:52:30,978 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:52:31,090 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 14:52:31,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 14:52:31,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 14:52:31,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:52:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 14:52:31,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:52:31,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 14:52:31,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [341447054] [2020-11-09 14:52:31,131 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 14:52:31,140 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 14:52:31,175 INFO L252 McrAutomatonBuilder]: Finished intersection with 66 states and 99 transitions. [2020-11-09 14:52:31,175 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 14:52:31,367 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 14:52:31,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-09 14:52:31,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:52:31,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-09 14:52:31,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-11-09 14:52:31,368 INFO L87 Difference]: Start difference. First operand 563 states and 1242 transitions. Second operand 8 states. [2020-11-09 14:52:31,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:52:31,527 INFO L93 Difference]: Finished difference Result 831 states and 1775 transitions. [2020-11-09 14:52:31,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-09 14:52:31,527 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2020-11-09 14:52:31,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:52:31,532 INFO L225 Difference]: With dead ends: 831 [2020-11-09 14:52:31,533 INFO L226 Difference]: Without dead ends: 831 [2020-11-09 14:52:31,533 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 57 SyntacticMatches, 7 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2020-11-09 14:52:31,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2020-11-09 14:52:31,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 607. [2020-11-09 14:52:31,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-11-09 14:52:31,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 1366 transitions. [2020-11-09 14:52:31,553 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 1366 transitions. Word has length 31 [2020-11-09 14:52:31,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:52:31,553 INFO L481 AbstractCegarLoop]: Abstraction has 607 states and 1366 transitions. [2020-11-09 14:52:31,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-09 14:52:31,553 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1366 transitions. [2020-11-09 14:52:31,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-09 14:52:31,555 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:31,555 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2020-11-09 14:52:31,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-09 14:52:31,769 INFO L429 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:52:31,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:31,770 INFO L82 PathProgramCache]: Analyzing trace with hash -2041265476, now seen corresponding path program 4 times [2020-11-09 14:52:31,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:31,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728101461] [2020-11-09 14:52:31,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:31,892 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:52:31,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728101461] [2020-11-09 14:52:31,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458465865] [2020-11-09 14:52:31,893 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:52:32,014 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-09 14:52:32,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 14:52:32,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-09 14:52:32,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 14:52:32,048 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 14:52:32,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 14:52:32,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 12 [2020-11-09 14:52:32,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [511660500] [2020-11-09 14:52:32,049 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 14:52:32,058 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 14:52:32,069 INFO L252 McrAutomatonBuilder]: Finished intersection with 35 states and 34 transitions. [2020-11-09 14:52:32,070 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 14:52:32,070 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 14:52:32,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 14:52:32,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 14:52:32,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 14:52:32,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-11-09 14:52:32,072 INFO L87 Difference]: Start difference. First operand 607 states and 1366 transitions. Second operand 11 states. [2020-11-09 14:52:32,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 14:52:32,226 INFO L93 Difference]: Finished difference Result 913 states and 1978 transitions. [2020-11-09 14:52:32,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-09 14:52:32,226 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 34 [2020-11-09 14:52:32,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 14:52:32,232 INFO L225 Difference]: With dead ends: 913 [2020-11-09 14:52:32,232 INFO L226 Difference]: Without dead ends: 913 [2020-11-09 14:52:32,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2020-11-09 14:52:32,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2020-11-09 14:52:32,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 684. [2020-11-09 14:52:32,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2020-11-09 14:52:32,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1535 transitions. [2020-11-09 14:52:32,253 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1535 transitions. Word has length 34 [2020-11-09 14:52:32,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 14:52:32,253 INFO L481 AbstractCegarLoop]: Abstraction has 684 states and 1535 transitions. [2020-11-09 14:52:32,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 14:52:32,253 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1535 transitions. [2020-11-09 14:52:32,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-09 14:52:32,255 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 14:52:32,255 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 14:52:32,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 14:52:32,469 INFO L429 AbstractCegarLoop]: === Iteration 14 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 14:52:32,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 14:52:32,470 INFO L82 PathProgramCache]: Analyzing trace with hash 695939425, now seen corresponding path program 1 times [2020-11-09 14:52:32,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 14:52:32,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92395133] [2020-11-09 14:52:32,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 14:52:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 14:52:32,549 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 22: A-local: [(t1Thread1of1ForFork0_push_~stack.offset_7 Int), (|t1Thread1of1ForFork0_push_#t~ret38_8| Int)], B-local: []. [2020-11-09 14:52:32,551 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 23: A-local: [(t1Thread1of1ForFork0_push_~stack.offset_7 Int), (|t1Thread1of1ForFork0_push_#t~ret38_8| Int)], B-local: []. [2020-11-09 14:52:32,554 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 24: A-local: [(t1Thread1of1ForFork0_push_~stack.offset_7 Int), (|t1Thread1of1ForFork0_push_#t~ret38_8| Int)], B-local: []. [2020-11-09 14:52:32,557 ERROR L253 erpolLogProxyWrapper]: Interpolant 25 not inductive [2020-11-09 14:52:32,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-09 14:52:32,571 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:876) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:378) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-09 14:52:32,575 INFO L168 Benchmark]: Toolchain (without parser) took 21686.44 ms. Allocated memory was 157.3 MB in the beginning and 336.6 MB in the end (delta: 179.3 MB). Free memory was 131.4 MB in the beginning and 150.5 MB in the end (delta: -19.1 MB). Peak memory consumption was 161.0 MB. Max. memory is 8.0 GB. [2020-11-09 14:52:32,576 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 157.3 MB. Free memory was 130.2 MB in the beginning and 130.1 MB in the end (delta: 80.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 14:52:32,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 961.89 ms. Allocated memory is still 157.3 MB. Free memory was 130.7 MB in the beginning and 103.0 MB in the end (delta: 27.7 MB). Peak memory consumption was 28.1 MB. Max. memory is 8.0 GB. [2020-11-09 14:52:32,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.50 ms. Allocated memory is still 157.3 MB. Free memory was 103.0 MB in the beginning and 100.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 14:52:32,577 INFO L168 Benchmark]: Boogie Preprocessor took 42.34 ms. Allocated memory is still 157.3 MB. Free memory was 100.5 MB in the beginning and 98.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 14:52:32,578 INFO L168 Benchmark]: RCFGBuilder took 863.83 ms. Allocated memory is still 157.3 MB. Free memory was 98.9 MB in the beginning and 65.3 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. [2020-11-09 14:52:32,579 INFO L168 Benchmark]: TraceAbstraction took 19714.29 ms. Allocated memory was 157.3 MB in the beginning and 336.6 MB in the end (delta: 179.3 MB). Free memory was 65.3 MB in the beginning and 150.5 MB in the end (delta: -85.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 8.0 GB. [2020-11-09 14:52:32,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 157.3 MB. Free memory was 130.2 MB in the beginning and 130.1 MB in the end (delta: 80.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 961.89 ms. Allocated memory is still 157.3 MB. Free memory was 130.7 MB in the beginning and 103.0 MB in the end (delta: 27.7 MB). Peak memory consumption was 28.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 89.50 ms. Allocated memory is still 157.3 MB. Free memory was 103.0 MB in the beginning and 100.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 42.34 ms. Allocated memory is still 157.3 MB. Free memory was 100.5 MB in the beginning and 98.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 863.83 ms. Allocated memory is still 157.3 MB. Free memory was 98.9 MB in the beginning and 65.3 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19714.29 ms. Allocated memory was 157.3 MB in the beginning and 336.6 MB in the end (delta: 179.3 MB). Free memory was 65.3 MB in the beginning and 150.5 MB in the end (delta: -85.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3872 VarBasedMoverChecksPositive, 53 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 199 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.9s, 145 PlacesBefore, 40 PlacesAfterwards, 152 TransitionsBefore, 40 TransitionsAfterwards, 6874 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 87 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 25 ConcurrentYvCompositions, 7 ChoiceCompositions, 149 TotalNumberOfCompositions, 12236 MoverChecksTotal - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...