/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread/stack-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:10:27,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:10:28,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:10:28,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:10:28,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:10:28,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:10:28,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:10:28,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:10:28,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:10:28,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:10:28,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:10:28,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:10:28,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:10:28,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:10:28,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:10:28,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:10:28,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:10:28,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:10:28,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:10:28,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:10:28,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:10:28,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:10:28,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:10:28,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:10:28,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-05 23:10:28,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-05 23:10:28,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-05 23:10:28,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-05 23:10:28,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-05 23:10:28,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-05 23:10:28,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:10:28,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:10:28,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:10:28,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:10:28,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:10:28,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:10:28,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:10:28,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:10:28,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:10:28,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:10:28,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:10:28,072 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.epf [2020-10-05 23:10:28,096 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:10:28,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:10:28,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:10:28,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:10:28,098 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:10:28,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:10:28,099 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:10:28,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:10:28,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:10:28,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:10:28,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:10:28,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:10:28,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:10:28,100 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:10:28,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:10:28,100 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:10:28,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:10:28,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:10:28,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:10:28,101 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:10:28,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:10:28,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:10:28,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:10:28,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:10:28,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:10:28,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:10:28,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:10:28,103 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:10:28,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:10:28,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:10:28,418 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:10:28,422 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:10:28,424 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:10:28,424 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:10:28,425 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-1.i [2020-10-05 23:10:28,518 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57f760dc9/693856689ee64fc5b634ad6ce44f585f/FLAG32036e556 [2020-10-05 23:10:29,173 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:10:29,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-1.i [2020-10-05 23:10:29,190 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57f760dc9/693856689ee64fc5b634ad6ce44f585f/FLAG32036e556 [2020-10-05 23:10:29,394 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57f760dc9/693856689ee64fc5b634ad6ce44f585f [2020-10-05 23:10:29,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:10:29,406 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:10:29,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:10:29,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:10:29,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:10:29,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:10:29" (1/1) ... [2020-10-05 23:10:29,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10260339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:10:29, skipping insertion in model container [2020-10-05 23:10:29,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:10:29" (1/1) ... [2020-10-05 23:10:29,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:10:29,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:10:30,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:10:30,107 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:10:30,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:10:30,333 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:10:30,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:10:30 WrapperNode [2020-10-05 23:10:30,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:10:30,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:10:30,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:10:30,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:10:30,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:10:30" (1/1) ... [2020-10-05 23:10:30,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:10:30" (1/1) ... [2020-10-05 23:10:30,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:10:30,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:10:30,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:10:30,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:10:30,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:10:30" (1/1) ... [2020-10-05 23:10:30,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:10:30" (1/1) ... [2020-10-05 23:10:30,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:10:30" (1/1) ... [2020-10-05 23:10:30,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:10:30" (1/1) ... [2020-10-05 23:10:30,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:10:30" (1/1) ... [2020-10-05 23:10:30,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:10:30" (1/1) ... [2020-10-05 23:10:30,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:10:30" (1/1) ... [2020-10-05 23:10:30,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:10:30,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:10:30,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:10:30,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:10:30,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:10:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:10:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-05 23:10:30,549 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-05 23:10:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-05 23:10:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-05 23:10:30,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:10:30,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:10:30,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-05 23:10:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:10:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-05 23:10:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-05 23:10:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:10:30,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:10:30,559 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:10:31,084 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:10:31,085 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-05 23:10:31,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:10:31 BoogieIcfgContainer [2020-10-05 23:10:31,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:10:31,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:10:31,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:10:31,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:10:31,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:10:29" (1/3) ... [2020-10-05 23:10:31,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58347cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:10:31, skipping insertion in model container [2020-10-05 23:10:31,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:10:30" (2/3) ... [2020-10-05 23:10:31,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58347cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:10:31, skipping insertion in model container [2020-10-05 23:10:31,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:10:31" (3/3) ... [2020-10-05 23:10:31,097 INFO L109 eAbstractionObserver]: Analyzing ICFG stack-1.i [2020-10-05 23:10:31,109 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:10:31,109 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:10:31,117 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-05 23:10:31,118 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:10:31,185 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,185 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,185 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,186 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,186 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,186 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,186 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,186 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,187 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,187 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,187 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,187 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,187 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,188 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,188 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,188 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,188 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,188 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,189 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,189 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,189 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,189 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,189 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,190 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,190 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,190 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,190 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,191 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,191 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,191 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,191 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,191 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,191 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,192 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,192 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,192 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,192 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,192 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,193 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,193 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,193 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,193 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,194 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,194 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,194 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,194 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,194 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,195 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,195 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,195 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,195 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,196 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,196 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,196 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,196 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,196 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,197 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,197 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,197 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,197 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,198 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,198 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,198 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,198 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,199 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,199 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,199 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,199 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,200 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,200 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,201 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,201 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,201 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,201 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,202 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,202 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,202 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,202 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,203 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,203 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,203 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,203 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,204 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,204 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,204 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,204 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,204 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,205 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,205 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,205 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,205 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,205 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,206 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,206 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,206 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,206 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,206 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,207 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,207 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,207 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,208 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,208 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,208 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,208 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,208 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,209 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,209 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,209 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,209 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,210 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,210 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,210 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,210 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,211 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,211 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,211 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,211 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,211 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,212 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,212 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,212 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,212 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,212 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,216 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,217 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,217 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,217 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,217 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,218 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,218 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,218 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,218 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,218 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,219 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,219 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,219 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,219 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,219 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,220 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,220 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,220 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,220 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,220 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,221 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,221 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,221 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,228 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,228 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,229 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,229 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,229 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,229 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,229 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,230 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,230 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,230 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,230 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,230 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,231 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,231 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,231 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,231 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,231 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,232 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:10:31,253 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-05 23:10:31,271 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:10:31,271 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:10:31,271 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:10:31,271 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:10:31,272 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:10:31,272 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:10:31,272 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:10:31,272 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:10:31,291 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 142 transitions, 306 flow [2020-10-05 23:10:31,294 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 142 transitions, 306 flow [2020-10-05 23:10:31,366 INFO L129 PetriNetUnfolder]: 11/142 cut-off events. [2020-10-05 23:10:31,366 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-05 23:10:31,375 INFO L80 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 142 events. 11/142 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 344 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 106. Up to 3 conditions per place. [2020-10-05 23:10:31,382 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 142 transitions, 306 flow [2020-10-05 23:10:31,422 INFO L129 PetriNetUnfolder]: 11/142 cut-off events. [2020-10-05 23:10:31,422 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-05 23:10:31,426 INFO L80 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 142 events. 11/142 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 344 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 106. Up to 3 conditions per place. [2020-10-05 23:10:31,436 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5744 [2020-10-05 23:10:31,437 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:10:33,828 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2020-10-05 23:10:33,942 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-05 23:10:34,666 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 121 [2020-10-05 23:10:34,914 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-05 23:10:34,933 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7654 [2020-10-05 23:10:34,933 INFO L214 etLargeBlockEncoding]: Total number of compositions: 124 [2020-10-05 23:10:34,938 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 40 transitions, 102 flow [2020-10-05 23:10:34,964 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 331 states. [2020-10-05 23:10:34,967 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states. [2020-10-05 23:10:34,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-05 23:10:34,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:10:34,976 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-05 23:10:34,977 INFO L427 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:10:34,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:10:34,988 INFO L82 PathProgramCache]: Analyzing trace with hash 89961792, now seen corresponding path program 1 times [2020-10-05 23:10:34,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:10:35,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048030662] [2020-10-05 23:10:35,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:10:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:10:35,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:10:35,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048030662] [2020-10-05 23:10:35,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:10:35,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:10:35,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381464940] [2020-10-05 23:10:35,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:10:35,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:10:35,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:10:35,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:10:35,346 INFO L87 Difference]: Start difference. First operand 331 states. Second operand 3 states. [2020-10-05 23:10:35,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:10:35,469 INFO L93 Difference]: Finished difference Result 504 states and 1247 transitions. [2020-10-05 23:10:35,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:10:35,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-05 23:10:35,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:10:35,491 INFO L225 Difference]: With dead ends: 504 [2020-10-05 23:10:35,491 INFO L226 Difference]: Without dead ends: 460 [2020-10-05 23:10:35,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:10:35,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-10-05 23:10:35,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 420. [2020-10-05 23:10:35,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-10-05 23:10:35,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 1095 transitions. [2020-10-05 23:10:35,582 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 1095 transitions. Word has length 6 [2020-10-05 23:10:35,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:10:35,583 INFO L479 AbstractCegarLoop]: Abstraction has 420 states and 1095 transitions. [2020-10-05 23:10:35,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:10:35,583 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 1095 transitions. [2020-10-05 23:10:35,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-05 23:10:35,584 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:10:35,585 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:10:35,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:10:35,585 INFO L427 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:10:35,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:10:35,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1286121651, now seen corresponding path program 1 times [2020-10-05 23:10:35,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:10:35,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134809179] [2020-10-05 23:10:35,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:10:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:10:35,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:10:35,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134809179] [2020-10-05 23:10:35,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:10:35,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:10:35,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217892406] [2020-10-05 23:10:35,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:10:35,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:10:35,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:10:35,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:10:35,665 INFO L87 Difference]: Start difference. First operand 420 states and 1095 transitions. Second operand 3 states. [2020-10-05 23:10:35,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:10:35,683 INFO L93 Difference]: Finished difference Result 464 states and 1205 transitions. [2020-10-05 23:10:35,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:10:35,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-05 23:10:35,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:10:35,688 INFO L225 Difference]: With dead ends: 464 [2020-10-05 23:10:35,688 INFO L226 Difference]: Without dead ends: 464 [2020-10-05 23:10:35,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:10:35,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-05 23:10:35,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2020-10-05 23:10:35,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-10-05 23:10:35,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1205 transitions. [2020-10-05 23:10:35,743 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1205 transitions. Word has length 10 [2020-10-05 23:10:35,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:10:35,745 INFO L479 AbstractCegarLoop]: Abstraction has 464 states and 1205 transitions. [2020-10-05 23:10:35,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:10:35,746 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1205 transitions. [2020-10-05 23:10:35,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:10:35,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:10:35,749 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:10:35,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:10:35,749 INFO L427 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:10:35,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:10:35,750 INFO L82 PathProgramCache]: Analyzing trace with hash 554739665, now seen corresponding path program 1 times [2020-10-05 23:10:35,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:10:35,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639821845] [2020-10-05 23:10:35,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:10:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:10:35,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:10:35,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639821845] [2020-10-05 23:10:35,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122851711] [2020-10-05 23:10:35,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 23:10:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:10:35,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-05 23:10:36,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-05 23:10:36,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:10:36,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-05 23:10:36,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-05 23:10:36,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910557963] [2020-10-05 23:10:36,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:10:36,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:10:36,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:10:36,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:10:36,058 INFO L87 Difference]: Start difference. First operand 464 states and 1205 transitions. Second operand 7 states. [2020-10-05 23:10:36,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:10:36,206 INFO L93 Difference]: Finished difference Result 866 states and 2152 transitions. [2020-10-05 23:10:36,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:10:36,207 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-10-05 23:10:36,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:10:36,214 INFO L225 Difference]: With dead ends: 866 [2020-10-05 23:10:36,215 INFO L226 Difference]: Without dead ends: 851 [2020-10-05 23:10:36,215 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:10:36,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2020-10-05 23:10:36,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 575. [2020-10-05 23:10:36,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-10-05 23:10:36,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 1484 transitions. [2020-10-05 23:10:36,275 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 1484 transitions. Word has length 13 [2020-10-05 23:10:36,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:10:36,275 INFO L479 AbstractCegarLoop]: Abstraction has 575 states and 1484 transitions. [2020-10-05 23:10:36,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:10:36,276 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1484 transitions. [2020-10-05 23:10:36,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-05 23:10:36,278 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:10:36,279 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:10:36,493 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-05 23:10:36,494 INFO L427 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:10:36,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:10:36,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1825595924, now seen corresponding path program 1 times [2020-10-05 23:10:36,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:10:36,495 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659089569] [2020-10-05 23:10:36,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:10:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:10:36,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:10:36,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659089569] [2020-10-05 23:10:36,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:10:36,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:10:36,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952322958] [2020-10-05 23:10:36,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:10:36,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:10:36,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:10:36,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:10:36,595 INFO L87 Difference]: Start difference. First operand 575 states and 1484 transitions. Second operand 3 states. [2020-10-05 23:10:36,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:10:36,616 INFO L93 Difference]: Finished difference Result 304 states and 670 transitions. [2020-10-05 23:10:36,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:10:36,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-05 23:10:36,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:10:36,619 INFO L225 Difference]: With dead ends: 304 [2020-10-05 23:10:36,619 INFO L226 Difference]: Without dead ends: 304 [2020-10-05 23:10:36,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:10:36,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-10-05 23:10:36,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 294. [2020-10-05 23:10:36,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-10-05 23:10:36,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 643 transitions. [2020-10-05 23:10:36,630 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 643 transitions. Word has length 16 [2020-10-05 23:10:36,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:10:36,631 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 643 transitions. [2020-10-05 23:10:36,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:10:36,631 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 643 transitions. [2020-10-05 23:10:36,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 23:10:36,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:10:36,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:10:36,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:10:36,634 INFO L427 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:10:36,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:10:36,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1573705314, now seen corresponding path program 1 times [2020-10-05 23:10:36,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:10:36,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823382406] [2020-10-05 23:10:36,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:10:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:10:36,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:10:36,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823382406] [2020-10-05 23:10:36,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:10:36,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:10:36,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124870641] [2020-10-05 23:10:36,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:10:36,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:10:36,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:10:36,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:10:36,689 INFO L87 Difference]: Start difference. First operand 294 states and 643 transitions. Second operand 3 states. [2020-10-05 23:10:36,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:10:36,730 INFO L93 Difference]: Finished difference Result 372 states and 811 transitions. [2020-10-05 23:10:36,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:10:36,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-05 23:10:36,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:10:36,733 INFO L225 Difference]: With dead ends: 372 [2020-10-05 23:10:36,733 INFO L226 Difference]: Without dead ends: 372 [2020-10-05 23:10:36,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:10:36,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-10-05 23:10:36,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 295. [2020-10-05 23:10:36,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-10-05 23:10:36,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 647 transitions. [2020-10-05 23:10:36,744 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 647 transitions. Word has length 17 [2020-10-05 23:10:36,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:10:36,745 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 647 transitions. [2020-10-05 23:10:36,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:10:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 647 transitions. [2020-10-05 23:10:36,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-05 23:10:36,746 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:10:36,746 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-05 23:10:36,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:10:36,747 INFO L427 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:10:36,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:10:36,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1192042464, now seen corresponding path program 2 times [2020-10-05 23:10:36,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:10:36,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318512849] [2020-10-05 23:10:36,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:10:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:10:36,880 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:10:36,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318512849] [2020-10-05 23:10:36,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561256299] [2020-10-05 23:10:36,881 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 23:10:36,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-05 23:10:36,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-05 23:10:36,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-05 23:10:36,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-05 23:10:37,022 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:10:37,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-05 23:10:37,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-05 23:10:37,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893635668] [2020-10-05 23:10:37,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 23:10:37,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:10:37,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 23:10:37,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:10:37,025 INFO L87 Difference]: Start difference. First operand 295 states and 647 transitions. Second operand 9 states. [2020-10-05 23:10:37,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:10:37,120 INFO L93 Difference]: Finished difference Result 542 states and 1156 transitions. [2020-10-05 23:10:37,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-05 23:10:37,121 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2020-10-05 23:10:37,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:10:37,124 INFO L225 Difference]: With dead ends: 542 [2020-10-05 23:10:37,125 INFO L226 Difference]: Without dead ends: 542 [2020-10-05 23:10:37,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-10-05 23:10:37,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2020-10-05 23:10:37,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 372. [2020-10-05 23:10:37,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-10-05 23:10:37,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 816 transitions. [2020-10-05 23:10:37,138 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 816 transitions. Word has length 20 [2020-10-05 23:10:37,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:10:37,139 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 816 transitions. [2020-10-05 23:10:37,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 23:10:37,139 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 816 transitions. [2020-10-05 23:10:37,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-05 23:10:37,140 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:10:37,140 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:10:37,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 23:10:37,355 INFO L427 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:10:37,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:10:37,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1105063959, now seen corresponding path program 1 times [2020-10-05 23:10:37,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:10:37,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080234188] [2020-10-05 23:10:37,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:10:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:10:37,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:10:37,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080234188] [2020-10-05 23:10:37,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:10:37,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-05 23:10:37,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39274244] [2020-10-05 23:10:37,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-05 23:10:37,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:10:37,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-05 23:10:37,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-05 23:10:37,756 INFO L87 Difference]: Start difference. First operand 372 states and 816 transitions. Second operand 14 states. [2020-10-05 23:10:39,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:10:39,106 INFO L93 Difference]: Finished difference Result 703 states and 1483 transitions. [2020-10-05 23:10:39,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-05 23:10:39,110 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2020-10-05 23:10:39,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:10:39,114 INFO L225 Difference]: With dead ends: 703 [2020-10-05 23:10:39,114 INFO L226 Difference]: Without dead ends: 631 [2020-10-05 23:10:39,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2020-10-05 23:10:39,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2020-10-05 23:10:39,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 422. [2020-10-05 23:10:39,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-10-05 23:10:39,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 927 transitions. [2020-10-05 23:10:39,129 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 927 transitions. Word has length 21 [2020-10-05 23:10:39,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:10:39,130 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 927 transitions. [2020-10-05 23:10:39,130 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-05 23:10:39,130 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 927 transitions. [2020-10-05 23:10:39,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-05 23:10:39,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:10:39,132 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2020-10-05 23:10:39,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:10:39,132 INFO L427 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:10:39,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:10:39,132 INFO L82 PathProgramCache]: Analyzing trace with hash 790528241, now seen corresponding path program 3 times [2020-10-05 23:10:39,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:10:39,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168211651] [2020-10-05 23:10:39,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:10:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:10:39,228 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:10:39,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168211651] [2020-10-05 23:10:39,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023629312] [2020-10-05 23:10:39,229 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 23:10:39,341 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-05 23:10:39,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-05 23:10:39,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-05 23:10:39,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-05 23:10:39,416 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:10:39,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-05 23:10:39,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2020-10-05 23:10:39,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026857085] [2020-10-05 23:10:39,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-05 23:10:39,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:10:39,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-05 23:10:39,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-05 23:10:39,418 INFO L87 Difference]: Start difference. First operand 422 states and 927 transitions. Second operand 11 states. [2020-10-05 23:10:39,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:10:39,527 INFO L93 Difference]: Finished difference Result 759 states and 1604 transitions. [2020-10-05 23:10:39,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-05 23:10:39,528 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2020-10-05 23:10:39,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:10:39,533 INFO L225 Difference]: With dead ends: 759 [2020-10-05 23:10:39,533 INFO L226 Difference]: Without dead ends: 759 [2020-10-05 23:10:39,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-10-05 23:10:39,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2020-10-05 23:10:39,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 499. [2020-10-05 23:10:39,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2020-10-05 23:10:39,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 1096 transitions. [2020-10-05 23:10:39,550 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 1096 transitions. Word has length 27 [2020-10-05 23:10:39,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:10:39,551 INFO L479 AbstractCegarLoop]: Abstraction has 499 states and 1096 transitions. [2020-10-05 23:10:39,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-05 23:10:39,551 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 1096 transitions. [2020-10-05 23:10:39,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-05 23:10:39,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:10:39,552 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] [2020-10-05 23:10:39,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 23:10:39,767 INFO L427 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:10:39,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:10:39,767 INFO L82 PathProgramCache]: Analyzing trace with hash -859233366, now seen corresponding path program 2 times [2020-10-05 23:10:39,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:10:39,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26408703] [2020-10-05 23:10:39,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:10:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:10:40,134 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:10:40,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26408703] [2020-10-05 23:10:40,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729355841] [2020-10-05 23:10:40,135 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 23:10:40,206 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-10-05 23:10:40,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-05 23:10:40,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 43 conjunts are in the unsatisfiable core [2020-10-05 23:10:40,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-05 23:10:40,391 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2020-10-05 23:10:40,391 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-05 23:10:40,419 INFO L625 ElimStorePlain]: treesize reduction 3, result has 92.3 percent of original size [2020-10-05 23:10:40,426 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-05 23:10:40,427 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:43, output treesize:50 [2020-10-05 23:10:40,798 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-05 23:10:40,839 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 28 [2020-10-05 23:10:41,000 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-05 23:10:41,358 INFO L721 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-05 23:10:41,942 INFO L721 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-05 23:10:48,072 INFO L545 ElimStorePlain]: Start of recursive call 2: 18 dim-0 vars, End of recursive call: 18 dim-0 vars, and 1 xjuncts. [2020-10-05 23:10:48,090 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 31 [2020-10-05 23:10:48,228 INFO L545 ElimStorePlain]: Start of recursive call 3: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-10-05 23:10:49,392 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 202 DAG size of output: 120 [2020-10-05 23:10:49,394 INFO L625 ElimStorePlain]: treesize reduction 263, result has 59.3 percent of original size [2020-10-05 23:10:51,636 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 18 dim-0 vars, and 1 xjuncts. [2020-10-05 23:10:51,636 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:156, output treesize:383 [2020-10-05 23:10:54,043 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-05 23:10:54,048 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-05 23:10:54,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-05 23:10:54,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [14] total 26 [2020-10-05 23:10:54,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445749426] [2020-10-05 23:10:54,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-05 23:10:54,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:10:54,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-05 23:10:54,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2020-10-05 23:10:54,051 INFO L87 Difference]: Start difference. First operand 499 states and 1096 transitions. Second operand 13 states. [2020-10-05 23:10:56,631 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-05 23:10:57,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:10:57,642 INFO L93 Difference]: Finished difference Result 850 states and 1830 transitions. [2020-10-05 23:10:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-05 23:10:57,642 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 28 [2020-10-05 23:10:57,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:10:57,647 INFO L225 Difference]: With dead ends: 850 [2020-10-05 23:10:57,648 INFO L226 Difference]: Without dead ends: 850 [2020-10-05 23:10:57,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 501 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=249, Invalid=1913, Unknown=0, NotChecked=0, Total=2162 [2020-10-05 23:10:57,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2020-10-05 23:10:57,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 563. [2020-10-05 23:10:57,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-10-05 23:10:57,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1242 transitions. [2020-10-05 23:10:57,666 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1242 transitions. Word has length 28 [2020-10-05 23:10:57,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:10:57,666 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 1242 transitions. [2020-10-05 23:10:57,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-05 23:10:57,666 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1242 transitions. [2020-10-05 23:10:57,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-05 23:10:57,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:10:57,668 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] [2020-10-05 23:10:57,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 23:10:57,884 INFO L427 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:10:57,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:10:57,884 INFO L82 PathProgramCache]: Analyzing trace with hash 585117152, now seen corresponding path program 1 times [2020-10-05 23:10:57,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:10:57,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955557871] [2020-10-05 23:10:57,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:10:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:10:58,000 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-05 23:10:58,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955557871] [2020-10-05 23:10:58,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591085142] [2020-10-05 23:10:58,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 23:10:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:10:58,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-05 23:10:58,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-05 23:10:58,141 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-05 23:10:58,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-05 23:10:58,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-10-05 23:10:58,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223474080] [2020-10-05 23:10:58,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-05 23:10:58,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:10:58,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-05 23:10:58,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-05 23:10:58,149 INFO L87 Difference]: Start difference. First operand 563 states and 1242 transitions. Second operand 10 states. [2020-10-05 23:10:58,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:10:58,306 INFO L93 Difference]: Finished difference Result 912 states and 1935 transitions. [2020-10-05 23:10:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-05 23:10:58,307 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2020-10-05 23:10:58,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:10:58,312 INFO L225 Difference]: With dead ends: 912 [2020-10-05 23:10:58,313 INFO L226 Difference]: Without dead ends: 912 [2020-10-05 23:10:58,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-05 23:10:58,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-10-05 23:10:58,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 607. [2020-10-05 23:10:58,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-10-05 23:10:58,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 1366 transitions. [2020-10-05 23:10:58,331 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 1366 transitions. Word has length 31 [2020-10-05 23:10:58,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:10:58,332 INFO L479 AbstractCegarLoop]: Abstraction has 607 states and 1366 transitions. [2020-10-05 23:10:58,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-05 23:10:58,332 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1366 transitions. [2020-10-05 23:10:58,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-05 23:10:58,336 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:10:58,336 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2020-10-05 23:10:58,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-05 23:10:58,551 INFO L427 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:10:58,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:10:58,551 INFO L82 PathProgramCache]: Analyzing trace with hash 225739520, now seen corresponding path program 4 times [2020-10-05 23:10:58,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:10:58,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41854583] [2020-10-05 23:10:58,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:10:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:10:58,652 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:10:58,652 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41854583] [2020-10-05 23:10:58,652 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942674948] [2020-10-05 23:10:58,652 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 [2020-10-05 23:10:58,743 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-05 23:10:58,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-05 23:10:58,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-05 23:10:58,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-05 23:10:58,769 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:10:58,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-05 23:10:58,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 12 [2020-10-05 23:10:58,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120767321] [2020-10-05 23:10:58,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-05 23:10:58,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:10:58,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-05 23:10:58,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-05 23:10:58,771 INFO L87 Difference]: Start difference. First operand 607 states and 1366 transitions. Second operand 13 states. [2020-10-05 23:10:58,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:10:58,927 INFO L93 Difference]: Finished difference Result 984 states and 2121 transitions. [2020-10-05 23:10:58,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-05 23:10:58,928 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 34 [2020-10-05 23:10:58,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:10:58,933 INFO L225 Difference]: With dead ends: 984 [2020-10-05 23:10:58,934 INFO L226 Difference]: Without dead ends: 984 [2020-10-05 23:10:58,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2020-10-05 23:10:58,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2020-10-05 23:10:58,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 684. [2020-10-05 23:10:58,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2020-10-05 23:10:58,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1535 transitions. [2020-10-05 23:10:58,952 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1535 transitions. Word has length 34 [2020-10-05 23:10:58,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:10:58,952 INFO L479 AbstractCegarLoop]: Abstraction has 684 states and 1535 transitions. [2020-10-05 23:10:58,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-05 23:10:58,953 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1535 transitions. [2020-10-05 23:10:58,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-05 23:10:58,954 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:10:58,954 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] [2020-10-05 23:10:59,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 23:10:59,168 INFO L427 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:10:59,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:10:59,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1848776679, now seen corresponding path program 1 times [2020-10-05 23:10:59,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:10:59,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967791267] [2020-10-05 23:10:59,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:10:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:10:59,961 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:10:59,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967791267] [2020-10-05 23:10:59,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246825797] [2020-10-05 23:10:59,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 23:11:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:11:00,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 60 conjunts are in the unsatisfiable core [2020-10-05 23:11:00,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-05 23:11:00,210 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2020-10-05 23:11:00,211 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-05 23:11:00,235 INFO L625 ElimStorePlain]: treesize reduction 3, result has 92.3 percent of original size [2020-10-05 23:11:00,237 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-05 23:11:00,237 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:43, output treesize:50 [2020-10-05 23:11:00,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-05 23:11:00,659 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2020-10-05 23:11:00,660 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-05 23:11:00,678 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-05 23:11:00,679 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-05 23:11:00,680 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:75, output treesize:54 [2020-10-05 23:11:01,154 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-05 23:11:01,182 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 31 [2020-10-05 23:11:01,197 INFO L545 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-05 23:11:01,202 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 28 [2020-10-05 23:11:01,251 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-05 23:11:01,415 INFO L721 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-05 23:11:01,680 INFO L721 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-05 23:11:02,178 INFO L721 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-05 23:11:02,756 INFO L721 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-05 23:11:03,440 INFO L721 QuantifierPusher]: Run 60 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. Received shutdown request... [2020-10-05 23:14:56,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 23:14:56,200 WARN L544 AbstractCegarLoop]: Verification canceled [2020-10-05 23:14:56,204 WARN L228 ceAbstractionStarter]: Timeout [2020-10-05 23:14:56,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:14:56 BasicIcfg [2020-10-05 23:14:56,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:14:56,217 INFO L168 Benchmark]: Toolchain (without parser) took 266801.89 ms. Allocated memory was 140.0 MB in the beginning and 357.0 MB in the end (delta: 217.1 MB). Free memory was 101.2 MB in the beginning and 102.6 MB in the end (delta: -1.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-05 23:14:56,219 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-05 23:14:56,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 928.12 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 101.0 MB in the beginning and 133.6 MB in the end (delta: -32.6 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. [2020-10-05 23:14:56,225 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.08 ms. Allocated memory is still 202.9 MB. Free memory was 133.6 MB in the beginning and 131.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-05 23:14:56,226 INFO L168 Benchmark]: Boogie Preprocessor took 74.89 ms. Allocated memory is still 202.9 MB. Free memory was 131.0 MB in the beginning and 129.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:14:56,227 INFO L168 Benchmark]: RCFGBuilder took 602.30 ms. Allocated memory is still 202.9 MB. Free memory was 129.0 MB in the beginning and 95.7 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:14:56,229 INFO L168 Benchmark]: TraceAbstraction took 265115.89 ms. Allocated memory was 202.9 MB in the beginning and 357.0 MB in the end (delta: 154.1 MB). Free memory was 95.7 MB in the beginning and 102.6 MB in the end (delta: -6.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-05 23:14:56,237 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 928.12 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 101.0 MB in the beginning and 133.6 MB in the end (delta: -32.6 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 74.08 ms. Allocated memory is still 202.9 MB. Free memory was 133.6 MB in the beginning and 131.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 74.89 ms. Allocated memory is still 202.9 MB. Free memory was 131.0 MB in the beginning and 129.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 602.30 ms. Allocated memory is still 202.9 MB. Free memory was 129.0 MB in the beginning and 95.7 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 265115.89 ms. Allocated memory was 202.9 MB in the beginning and 357.0 MB in the end (delta: 154.1 MB). Free memory was 95.7 MB in the beginning and 102.6 MB in the end (delta: -6.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.6s, 137 ProgramPointsBefore, 40 ProgramPointsAfterwards, 142 TransitionsBefore, 40 TransitionsAfterwards, 5744 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 73 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 21 ConcurrentYvCompositions, 5 ChoiceCompositions, 3268 VarBasedMoverChecksPositive, 49 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 7654 CheckedPairsTotal, 124 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 922]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 922). Cancelled while BasicCegarLoop was analyzing trace of length 37 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 922]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 922). Cancelled while BasicCegarLoop was analyzing trace of length 37 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 131 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 264.9s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: 522 SDtfs, 1125 SDslu, 2103 SDs, 0 SdLazy, 1710 SolverSat, 109 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 287 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 705 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=684occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 1934 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 15.4s InterpolantComputationTime, 376 NumberOfCodeBlocks, 369 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 359 ConstructedInterpolants, 1 QuantifiedInterpolants, 63456 SizeOfPredicates, 39 NumberOfNonLiveVariables, 1294 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 36/240 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown