/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/forkMultipleParameter.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 08:15:20,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 08:15:20,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 08:15:20,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-13 08:15:20,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-13 08:15:20,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-13 08:15:20,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-13 08:15:20,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-13 08:15:20,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-13 08:15:20,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-13 08:15:20,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-13 08:15:20,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-13 08:15:20,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 08:15:20,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 08:15:20,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 08:15:20,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 08:15:20,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 08:15:20,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 08:15:20,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 08:15:20,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 08:15:20,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 08:15:20,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 08:15:20,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 08:15:20,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 08:15:20,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-13 08:15:20,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-13 08:15:20,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-13 08:15:20,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-13 08:15:20,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-13 08:15:20,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-13 08:15:20,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-13 08:15:20,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-13 08:15:20,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-13 08:15:20,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-13 08:15:20,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-13 08:15:20,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-13 08:15:20,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-13 08:15:20,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-13 08:15:20,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 08:15:20,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 08:15:20,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 08:15:20,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2021-06-13 08:15:20,393 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 08:15:20,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 08:15:20,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 08:15:20,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 08:15:20,397 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 08:15:20,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 08:15:20,397 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 08:15:20,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 08:15:20,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 08:15:20,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 08:15:20,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 08:15:20,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 08:15:20,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 08:15:20,400 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 08:15:20,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 08:15:20,400 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 08:15:20,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 08:15:20,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 08:15:20,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 08:15:20,401 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 08:15:20,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 08:15:20,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 08:15:20,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 08:15:20,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 08:15:20,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 08:15:20,402 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 08:15:20,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 08:15:20,402 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 08:15:20,402 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-13 08:15:20,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 08:15:20,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 08:15:20,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 08:15:20,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 08:15:20,744 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-13 08:15:20,745 INFO L275 PluginConnector]: CDTParser initialized [2021-06-13 08:15:20,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/forkMultipleParameter.c [2021-06-13 08:15:20,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20f5cad55/09120ee2bf254eaf8e6a69c94bc6c30a/FLAGf58b9b531 [2021-06-13 08:15:21,256 INFO L306 CDTParser]: Found 1 translation units. [2021-06-13 08:15:21,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/forkMultipleParameter.c [2021-06-13 08:15:21,257 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-13 08:15:21,258 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-13 08:15:21,293 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20f5cad55/09120ee2bf254eaf8e6a69c94bc6c30a/FLAGf58b9b531 [2021-06-13 08:15:21,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20f5cad55/09120ee2bf254eaf8e6a69c94bc6c30a [2021-06-13 08:15:21,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 08:15:21,657 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-13 08:15:21,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-13 08:15:21,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-13 08:15:21,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-13 08:15:21,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 08:15:21" (1/1) ... [2021-06-13 08:15:21,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64ffbdcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:21, skipping insertion in model container [2021-06-13 08:15:21,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 08:15:21" (1/1) ... [2021-06-13 08:15:21,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-13 08:15:21,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-13 08:15:21,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 08:15:21,820 INFO L203 MainTranslator]: Completed pre-run [2021-06-13 08:15:21,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 08:15:21,873 INFO L208 MainTranslator]: Completed translation [2021-06-13 08:15:21,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:21 WrapperNode [2021-06-13 08:15:21,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-13 08:15:21,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 08:15:21,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 08:15:21,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 08:15:21,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:21" (1/1) ... [2021-06-13 08:15:21,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:21" (1/1) ... [2021-06-13 08:15:21,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 08:15:21,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 08:15:21,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 08:15:21,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 08:15:21,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:21" (1/1) ... [2021-06-13 08:15:21,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:21" (1/1) ... [2021-06-13 08:15:21,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:21" (1/1) ... [2021-06-13 08:15:21,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:21" (1/1) ... [2021-06-13 08:15:21,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:21" (1/1) ... [2021-06-13 08:15:21,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:21" (1/1) ... [2021-06-13 08:15:21,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:21" (1/1) ... [2021-06-13 08:15:21,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 08:15:21,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 08:15:21,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 08:15:21,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 08:15:21,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 08:15:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-06-13 08:15:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-13 08:15:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure add [2021-06-13 08:15:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure add [2021-06-13 08:15:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 08:15:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 08:15:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-13 08:15:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-13 08:15:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-06-13 08:15:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-13 08:15:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-13 08:15:22,014 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 08:15:22,391 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 08:15:22,392 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-13 08:15:22,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 08:15:22 BoogieIcfgContainer [2021-06-13 08:15:22,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 08:15:22,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 08:15:22,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 08:15:22,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 08:15:22,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.06 08:15:21" (1/3) ... [2021-06-13 08:15:22,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8719bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 08:15:22, skipping insertion in model container [2021-06-13 08:15:22,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:21" (2/3) ... [2021-06-13 08:15:22,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8719bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 08:15:22, skipping insertion in model container [2021-06-13 08:15:22,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 08:15:22" (3/3) ... [2021-06-13 08:15:22,399 INFO L111 eAbstractionObserver]: Analyzing ICFG forkMultipleParameter.c [2021-06-13 08:15:22,408 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 08:15:22,408 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 08:15:22,409 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 08:15:22,445 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,445 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,446 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,446 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,447 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,447 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,447 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,448 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,448 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,448 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,448 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,448 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,449 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,449 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,449 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,449 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,449 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,449 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,449 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,450 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,450 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,450 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,451 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,451 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,451 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,451 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,451 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,451 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,452 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,452 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,452 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,452 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,453 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,453 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,453 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,453 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,454 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,454 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,455 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,455 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,455 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,455 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,455 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,455 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,458 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,458 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,458 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,459 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,459 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,459 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,459 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,459 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,459 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:22,470 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-13 08:15:22,488 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-13 08:15:22,517 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 08:15:22,517 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 08:15:22,518 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 08:15:22,518 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 08:15:22,518 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 08:15:22,518 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 08:15:22,518 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 08:15:22,518 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 08:15:22,527 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 45 transitions, 98 flow [2021-06-13 08:15:22,562 INFO L129 PetriNetUnfolder]: 0/44 cut-off events. [2021-06-13 08:15:22,563 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-13 08:15:22,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 44 events. 0/44 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 8 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-13 08:15:22,570 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 45 transitions, 98 flow [2021-06-13 08:15:22,574 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 38 places, 34 transitions, 74 flow [2021-06-13 08:15:22,584 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2021-06-13 08:15:22,587 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-13 08:15:22,588 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 08:15:22,589 INFO L255 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 08:15:22,589 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 08:15:22,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 08:15:22,594 INFO L82 PathProgramCache]: Analyzing trace with hash 916558571, now seen corresponding path program 1 times [2021-06-13 08:15:22,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 08:15:22,599 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587792121] [2021-06-13 08:15:22,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 08:15:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 08:15:22,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:22,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:22,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:22,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-13 08:15:22,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:22,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 08:15:22,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:22,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-13 08:15:22,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:22,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-13 08:15:22,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:22,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-13 08:15:22,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:22,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-13 08:15:23,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:23,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-13 08:15:23,037 INFO L142 QuantifierPusher]: treesize reduction 10, result has 66.7 percent of original size [2021-06-13 08:15:23,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-13 08:15:23,074 INFO L142 QuantifierPusher]: treesize reduction 15, result has 51.6 percent of original size [2021-06-13 08:15:23,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 08:15:23,093 INFO L142 QuantifierPusher]: treesize reduction 10, result has 41.2 percent of original size [2021-06-13 08:15:23,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:23,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:23,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:23,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:23,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 08:15:23,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:23,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 08:15:23,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:23,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 08:15:23,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:23,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-13 08:15:23,281 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-06-13 08:15:23,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:23,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 08:15:23,307 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 08:15:23,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587792121] [2021-06-13 08:15:23,308 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587792121] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 08:15:23,309 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 08:15:23,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-06-13 08:15:23,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521240461] [2021-06-13 08:15:23,317 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-13 08:15:23,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 08:15:23,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-13 08:15:23,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2021-06-13 08:15:23,341 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 45 [2021-06-13 08:15:23,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 34 transitions, 74 flow. Second operand has 17 states, 17 states have (on average 14.470588235294118) internal successors, (246), 17 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 08:15:23,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 08:15:23,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 45 [2021-06-13 08:15:23,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 08:15:24,459 INFO L129 PetriNetUnfolder]: 16/67 cut-off events. [2021-06-13 08:15:24,459 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-06-13 08:15:24,461 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 67 events. 16/67 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 123 event pairs, 0 based on Foata normal form. 1/68 useless extension candidates. Maximal degree in co-relation 89. Up to 9 conditions per place. [2021-06-13 08:15:24,463 INFO L132 encePairwiseOnDemand]: 25/45 looper letters, 0 selfloop transitions, 0 changer transitions 49/49 dead transitions. [2021-06-13 08:15:24,464 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 49 transitions, 184 flow [2021-06-13 08:15:24,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-13 08:15:24,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-13 08:15:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 314 transitions. [2021-06-13 08:15:24,475 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.3322751322751323 [2021-06-13 08:15:24,476 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 314 transitions. [2021-06-13 08:15:24,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 314 transitions. [2021-06-13 08:15:24,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 08:15:24,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 314 transitions. [2021-06-13 08:15:24,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 14.952380952380953) internal successors, (314), 21 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 08:15:24,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 45.0) internal successors, (990), 22 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 08:15:24,494 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 45.0) internal successors, (990), 22 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 08:15:24,495 INFO L185 Difference]: Start difference. First operand has 38 places, 34 transitions, 74 flow. Second operand 21 states and 314 transitions. [2021-06-13 08:15:24,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 49 transitions, 184 flow [2021-06-13 08:15:24,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 49 transitions, 180 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-13 08:15:24,499 INFO L241 Difference]: Finished difference. Result has 55 places, 0 transitions, 0 flow [2021-06-13 08:15:24,501 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=0, PETRI_PLACES=55, PETRI_TRANSITIONS=0} [2021-06-13 08:15:24,501 INFO L335 CegarLoopForPetriNet]: 38 programPoint places, 17 predicate places. [2021-06-13 08:15:24,502 INFO L482 AbstractCegarLoop]: Abstraction has has 55 places, 0 transitions, 0 flow [2021-06-13 08:15:24,502 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 14.470588235294118) internal successors, (246), 17 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 08:15:24,502 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 08:15:24,504 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 08:15:24,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 08:15:24 BasicIcfg [2021-06-13 08:15:24,506 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 08:15:24,507 INFO L168 Benchmark]: Toolchain (without parser) took 2850.36 ms. Allocated memory was 179.3 MB in the beginning and 216.0 MB in the end (delta: 36.7 MB). Free memory was 141.1 MB in the beginning and 146.1 MB in the end (delta: -4.9 MB). Peak memory consumption was 32.8 MB. Max. memory is 8.0 GB. [2021-06-13 08:15:24,508 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 179.3 MB. Free memory is still 159.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 08:15:24,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.88 ms. Allocated memory is still 179.3 MB. Free memory was 141.0 MB in the beginning and 161.3 MB in the end (delta: -20.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-13 08:15:24,509 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.82 ms. Allocated memory is still 179.3 MB. Free memory was 161.3 MB in the beginning and 160.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 08:15:24,509 INFO L168 Benchmark]: Boogie Preprocessor took 26.75 ms. Allocated memory is still 179.3 MB. Free memory was 159.7 MB in the beginning and 158.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 08:15:24,510 INFO L168 Benchmark]: RCFGBuilder took 457.19 ms. Allocated memory is still 179.3 MB. Free memory was 158.7 MB in the beginning and 141.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-06-13 08:15:24,510 INFO L168 Benchmark]: TraceAbstraction took 2112.21 ms. Allocated memory was 179.3 MB in the beginning and 216.0 MB in the end (delta: 36.7 MB). Free memory was 141.4 MB in the beginning and 146.1 MB in the end (delta: -4.7 MB). Peak memory consumption was 33.0 MB. Max. memory is 8.0 GB. [2021-06-13 08:15:24,514 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 179.3 MB. Free memory is still 159.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 218.88 ms. Allocated memory is still 179.3 MB. Free memory was 141.0 MB in the beginning and 161.3 MB in the end (delta: -20.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 29.82 ms. Allocated memory is still 179.3 MB. Free memory was 161.3 MB in the beginning and 160.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.75 ms. Allocated memory is still 179.3 MB. Free memory was 159.7 MB in the beginning and 158.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 457.19 ms. Allocated memory is still 179.3 MB. Free memory was 158.7 MB in the beginning and 141.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2112.21 ms. Allocated memory was 179.3 MB in the beginning and 216.0 MB in the end (delta: 36.7 MB). Free memory was 141.4 MB in the beginning and 146.1 MB in the end (delta: -4.7 MB). Peak memory consumption was 33.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 57 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 13.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 1989.1ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1175.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 55.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7 SDtfs, 102 SDslu, 57 SDs, 0 SdLazy, 278 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 196.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1115.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.8ms SsaConstructionTime, 52.9ms SatisfiabilityAnalysisTime, 596.5ms InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 443 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...