/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/stateful01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 21:33:53,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 21:33:53,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 21:33:53,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 21:33:53,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 21:33:53,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 21:33:53,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 21:33:53,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 21:33:53,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 21:33:53,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 21:33:53,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 21:33:53,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 21:33:53,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 21:33:53,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 21:33:53,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 21:33:53,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 21:33:53,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 21:33:53,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 21:33:53,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 21:33:53,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 21:33:53,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 21:33:53,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 21:33:53,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 21:33:53,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 21:33:53,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 21:33:53,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 21:33:53,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 21:33:53,371 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 21:33:53,372 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 21:33:53,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 21:33:53,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 21:33:53,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 21:33:53,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 21:33:53,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 21:33:53,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 21:33:53,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 21:33:53,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 21:33:53,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 21:33:53,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 21:33:53,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 21:33:53,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 21:33:53,384 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-21 21:33:53,405 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 21:33:53,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 21:33:53,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 21:33:53,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 21:33:53,407 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 21:33:53,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 21:33:53,407 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 21:33:53,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 21:33:53,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 21:33:53,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 21:33:53,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 21:33:53,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 21:33:53,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 21:33:53,409 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 21:33:53,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 21:33:53,409 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 21:33:53,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 21:33:53,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 21:33:53,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 21:33:53,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 21:33:53,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 21:33:53,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 21:33:53,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 21:33:53,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-21 21:33:53,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 21:33:53,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 21:33:53,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 21:33:53,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 21:33:53,412 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-21 21:33:53,412 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-21 21:33:53,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 21:33:53,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 21:33:53,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 21:33:53,732 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 21:33:53,733 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 21:33:53,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-2.i [2020-10-21 21:33:53,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbf944f28/5bc88f5dd375423091ad2b24e5052006/FLAG0adf2fd2b [2020-10-21 21:33:54,325 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 21:33:54,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i [2020-10-21 21:33:54,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbf944f28/5bc88f5dd375423091ad2b24e5052006/FLAG0adf2fd2b [2020-10-21 21:33:54,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbf944f28/5bc88f5dd375423091ad2b24e5052006 [2020-10-21 21:33:54,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 21:33:54,636 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 21:33:54,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 21:33:54,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 21:33:54,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 21:33:54,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 09:33:54" (1/1) ... [2020-10-21 21:33:54,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f92650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:54, skipping insertion in model container [2020-10-21 21:33:54,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 09:33:54" (1/1) ... [2020-10-21 21:33:54,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 21:33:54,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 21:33:55,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 21:33:55,217 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 21:33:55,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 21:33:55,345 INFO L208 MainTranslator]: Completed translation [2020-10-21 21:33:55,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:55 WrapperNode [2020-10-21 21:33:55,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 21:33:55,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 21:33:55,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 21:33:55,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 21:33:55,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:55" (1/1) ... [2020-10-21 21:33:55,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:55" (1/1) ... [2020-10-21 21:33:55,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 21:33:55,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 21:33:55,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 21:33:55,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 21:33:55,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:55" (1/1) ... [2020-10-21 21:33:55,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:55" (1/1) ... [2020-10-21 21:33:55,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:55" (1/1) ... [2020-10-21 21:33:55,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:55" (1/1) ... [2020-10-21 21:33:55,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:55" (1/1) ... [2020-10-21 21:33:55,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:55" (1/1) ... [2020-10-21 21:33:55,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:55" (1/1) ... [2020-10-21 21:33:55,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 21:33:55,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 21:33:55,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 21:33:55,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 21:33:55,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:55" (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 [2020-10-21 21:33:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-21 21:33:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-21 21:33:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-21 21:33:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-21 21:33:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-21 21:33:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 21:33:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-21 21:33:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 21:33:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 21:33:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 21:33:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 21:33:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 21:33:55,494 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 21:33:55,925 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 21:33:55,925 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-21 21:33:55,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 09:33:55 BoogieIcfgContainer [2020-10-21 21:33:55,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 21:33:55,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 21:33:55,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 21:33:55,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 21:33:55,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 09:33:54" (1/3) ... [2020-10-21 21:33:55,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3885876e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 09:33:55, skipping insertion in model container [2020-10-21 21:33:55,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:55" (2/3) ... [2020-10-21 21:33:55,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3885876e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 09:33:55, skipping insertion in model container [2020-10-21 21:33:55,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 09:33:55" (3/3) ... [2020-10-21 21:33:55,936 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-2.i [2020-10-21 21:33:55,947 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 21:33:55,947 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-21 21:33:55,955 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-21 21:33:55,956 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 21:33:55,980 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,981 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,981 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,981 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,982 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,982 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,982 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,983 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,983 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,984 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,984 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,984 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,984 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,985 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,985 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,985 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,986 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,986 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,986 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,987 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,987 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,987 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,988 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,988 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,989 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,989 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,993 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,993 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,993 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,994 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,994 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,994 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,994 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:55,994 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:56,005 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:56,005 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:56,006 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:56,006 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:56,006 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:56,006 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:56,017 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-21 21:33:56,030 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-21 21:33:56,047 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 21:33:56,047 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 21:33:56,047 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 21:33:56,047 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 21:33:56,047 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 21:33:56,048 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 21:33:56,048 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 21:33:56,048 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 21:33:56,062 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 21:33:56,065 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 87 transitions, 196 flow [2020-10-21 21:33:56,069 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 87 transitions, 196 flow [2020-10-21 21:33:56,071 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 90 places, 87 transitions, 196 flow [2020-10-21 21:33:56,129 INFO L129 PetriNetUnfolder]: 3/87 cut-off events. [2020-10-21 21:33:56,130 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-21 21:33:56,134 INFO L80 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 87 events. 3/87 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 59 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 32. Up to 3 conditions per place. [2020-10-21 21:33:56,136 INFO L116 LiptonReduction]: Number of co-enabled transitions 680 [2020-10-21 21:33:58,017 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2020-10-21 21:33:58,765 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 132 [2020-10-21 21:33:59,027 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-21 21:33:59,034 INFO L131 LiptonReduction]: Checked pairs total: 3154 [2020-10-21 21:33:59,034 INFO L133 LiptonReduction]: Total number of compositions: 65 [2020-10-21 21:33:59,041 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 30 transitions, 82 flow [2020-10-21 21:33:59,060 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 198 states. [2020-10-21 21:33:59,063 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2020-10-21 21:33:59,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-21 21:33:59,075 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:33:59,075 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:33:59,076 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:33:59,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:33:59,082 INFO L82 PathProgramCache]: Analyzing trace with hash -657566232, now seen corresponding path program 1 times [2020-10-21 21:33:59,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:33:59,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175601219] [2020-10-21 21:33:59,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:33:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:33:59,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:33:59,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175601219] [2020-10-21 21:33:59,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:33:59,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 21:33:59,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190537074] [2020-10-21 21:33:59,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:33:59,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:33:59,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:33:59,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:33:59,388 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 3 states. [2020-10-21 21:33:59,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:33:59,447 INFO L93 Difference]: Finished difference Result 150 states and 254 transitions. [2020-10-21 21:33:59,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:33:59,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-21 21:33:59,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:33:59,461 INFO L225 Difference]: With dead ends: 150 [2020-10-21 21:33:59,461 INFO L226 Difference]: Without dead ends: 149 [2020-10-21 21:33:59,462 INFO L677 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 [2020-10-21 21:33:59,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-10-21 21:33:59,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2020-10-21 21:33:59,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-10-21 21:33:59,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 253 transitions. [2020-10-21 21:33:59,511 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 253 transitions. Word has length 25 [2020-10-21 21:33:59,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:33:59,512 INFO L481 AbstractCegarLoop]: Abstraction has 149 states and 253 transitions. [2020-10-21 21:33:59,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:33:59,512 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 253 transitions. [2020-10-21 21:33:59,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-21 21:33:59,514 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:33:59,514 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:33:59,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 21:33:59,515 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:33:59,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:33:59,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1255226036, now seen corresponding path program 2 times [2020-10-21 21:33:59,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:33:59,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113899283] [2020-10-21 21:33:59,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:33:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:33:59,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:33:59,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113899283] [2020-10-21 21:33:59,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:33:59,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 21:33:59,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632188549] [2020-10-21 21:33:59,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 21:33:59,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:33:59,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 21:33:59,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-21 21:33:59,720 INFO L87 Difference]: Start difference. First operand 149 states and 253 transitions. Second operand 6 states. [2020-10-21 21:33:59,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:33:59,786 INFO L93 Difference]: Finished difference Result 206 states and 346 transitions. [2020-10-21 21:33:59,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 21:33:59,786 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2020-10-21 21:33:59,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:33:59,788 INFO L225 Difference]: With dead ends: 206 [2020-10-21 21:33:59,788 INFO L226 Difference]: Without dead ends: 100 [2020-10-21 21:33:59,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-21 21:33:59,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-10-21 21:33:59,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2020-10-21 21:33:59,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-21 21:33:59,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 163 transitions. [2020-10-21 21:33:59,798 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 163 transitions. Word has length 25 [2020-10-21 21:33:59,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:33:59,799 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 163 transitions. [2020-10-21 21:33:59,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 21:33:59,799 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 163 transitions. [2020-10-21 21:33:59,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-21 21:33:59,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:33:59,800 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:33:59,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 21:33:59,801 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:33:59,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:33:59,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1830117440, now seen corresponding path program 3 times [2020-10-21 21:33:59,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:33:59,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612325441] [2020-10-21 21:33:59,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:33:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:33:59,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:33:59,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612325441] [2020-10-21 21:33:59,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:33:59,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 21:33:59,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081810626] [2020-10-21 21:33:59,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 21:33:59,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:33:59,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 21:33:59,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-21 21:33:59,923 INFO L87 Difference]: Start difference. First operand 100 states and 163 transitions. Second operand 6 states. [2020-10-21 21:33:59,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:33:59,958 INFO L93 Difference]: Finished difference Result 99 states and 162 transitions. [2020-10-21 21:33:59,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 21:33:59,959 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2020-10-21 21:33:59,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:33:59,959 INFO L225 Difference]: With dead ends: 99 [2020-10-21 21:33:59,960 INFO L226 Difference]: Without dead ends: 0 [2020-10-21 21:33:59,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-21 21:33:59,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-21 21:33:59,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-21 21:33:59,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-21 21:33:59,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-21 21:33:59,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-10-21 21:33:59,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:33:59,961 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-21 21:33:59,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 21:33:59,962 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-21 21:33:59,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-21 21:33:59,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 21:33:59,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 09:33:59 BasicIcfg [2020-10-21 21:33:59,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 21:33:59,968 INFO L168 Benchmark]: Toolchain (without parser) took 5336.82 ms. Allocated memory was 146.3 MB in the beginning and 279.4 MB in the end (delta: 133.2 MB). Free memory was 101.2 MB in the beginning and 226.7 MB in the end (delta: -125.5 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2020-10-21 21:33:59,969 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 146.3 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 21:33:59,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.55 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 100.3 MB in the beginning and 158.9 MB in the end (delta: -58.5 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2020-10-21 21:33:59,971 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.77 ms. Allocated memory is still 202.9 MB. Free memory was 158.2 MB in the beginning and 156.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 21:33:59,971 INFO L168 Benchmark]: Boogie Preprocessor took 25.70 ms. Allocated memory is still 202.9 MB. Free memory was 156.1 MB in the beginning and 154.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-21 21:33:59,972 INFO L168 Benchmark]: RCFGBuilder took 500.16 ms. Allocated memory is still 202.9 MB. Free memory was 154.8 MB in the beginning and 129.2 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-10-21 21:33:59,973 INFO L168 Benchmark]: TraceAbstraction took 4037.28 ms. Allocated memory was 202.9 MB in the beginning and 279.4 MB in the end (delta: 76.5 MB). Free memory was 128.5 MB in the beginning and 226.7 MB in the end (delta: -98.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-21 21:33:59,977 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 146.3 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.55 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 100.3 MB in the beginning and 158.9 MB in the end (delta: -58.5 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 54.77 ms. Allocated memory is still 202.9 MB. Free memory was 158.2 MB in the beginning and 156.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.70 ms. Allocated memory is still 202.9 MB. Free memory was 156.1 MB in the beginning and 154.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 500.16 ms. Allocated memory is still 202.9 MB. Free memory was 154.8 MB in the beginning and 129.2 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4037.28 ms. Allocated memory was 202.9 MB in the beginning and 279.4 MB in the end (delta: 76.5 MB). Free memory was 128.5 MB in the beginning and 226.7 MB in the end (delta: -98.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 458 VarBasedMoverChecksPositive, 37 VarBasedMoverChecksNegative, 9 SemBasedMoverChecksPositive, 28 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 174 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.9s, 90 PlacesBefore, 35 PlacesAfterwards, 87 TransitionsBefore, 30 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 6 FixpointIterations, 41 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 65 TotalNumberOfCompositions, 3154 MoverChecksTotal - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: 112 SDtfs, 43 SDslu, 254 SDs, 0 SdLazy, 48 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 9216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...