/usr/bin/java -Xmx16000000000 -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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 20:38:55,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 20:38:55,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 20:38:55,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 20:38:55,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 20:38:55,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 20:38:55,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 20:38:55,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 20:38:55,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 20:38:55,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 20:38:55,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 20:38:55,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 20:38:55,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 20:38:55,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 20:38:55,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 20:38:55,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 20:38:55,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 20:38:55,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 20:38:55,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 20:38:55,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 20:38:55,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 20:38:55,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 20:38:55,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 20:38:55,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 20:38:55,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 20:38:55,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 20:38:55,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 20:38:55,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 20:38:55,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 20:38:55,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 20:38:55,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 20:38:55,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 20:38:55,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 20:38:55,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 20:38:55,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 20:38:55,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 20:38:55,731 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-SemanticLbe.epf [2021-03-11 20:38:55,756 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 20:38:55,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 20:38:55,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 20:38:55,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 20:38:55,757 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 20:38:55,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 20:38:55,757 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 20:38:55,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 20:38:55,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 20:38:55,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 20:38:55,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 20:38:55,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 20:38:55,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 20:38:55,758 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 20:38:55,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 20:38:55,758 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 20:38:55,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 20:38:55,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 20:38:55,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 20:38:55,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 20:38:55,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 20:38:55,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 20:38:55,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 20:38:55,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 20:38:55,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 20:38:55,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 20:38:55,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 20:38:55,759 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 20:38:55,759 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 20:38:55,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 20:38:55,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 20:38:55,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 20:38:55,996 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 20:38:55,996 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 20:38:55,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i [2021-03-11 20:38:56,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47c7f128c/61ff2bf3fce04521b394674ee8038b11/FLAG76223e52f [2021-03-11 20:38:56,517 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 20:38:56,517 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i [2021-03-11 20:38:56,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47c7f128c/61ff2bf3fce04521b394674ee8038b11/FLAG76223e52f [2021-03-11 20:38:56,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47c7f128c/61ff2bf3fce04521b394674ee8038b11 [2021-03-11 20:38:56,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 20:38:56,545 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 20:38:56,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 20:38:56,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 20:38:56,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 20:38:56,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:38:56" (1/1) ... [2021-03-11 20:38:56,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641753a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:38:56, skipping insertion in model container [2021-03-11 20:38:56,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:38:56" (1/1) ... [2021-03-11 20:38:56,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 20:38:56,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 20:38:56,928 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2021-03-11 20:38:56,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:38:56,941 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 20:38:56,962 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2021-03-11 20:38:56,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:38:57,139 INFO L208 MainTranslator]: Completed translation [2021-03-11 20:38:57,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:38:57 WrapperNode [2021-03-11 20:38:57,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 20:38:57,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 20:38:57,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 20:38:57,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 20:38:57,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:38:57" (1/1) ... [2021-03-11 20:38:57,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:38:57" (1/1) ... [2021-03-11 20:38:57,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 20:38:57,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 20:38:57,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 20:38:57,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 20:38:57,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:38:57" (1/1) ... [2021-03-11 20:38:57,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:38:57" (1/1) ... [2021-03-11 20:38:57,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:38:57" (1/1) ... [2021-03-11 20:38:57,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:38:57" (1/1) ... [2021-03-11 20:38:57,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:38:57" (1/1) ... [2021-03-11 20:38:57,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:38:57" (1/1) ... [2021-03-11 20:38:57,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:38:57" (1/1) ... [2021-03-11 20:38:57,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 20:38:57,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 20:38:57,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 20:38:57,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 20:38:57,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:38:57" (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 [2021-03-11 20:38:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 20:38:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 20:38:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-11 20:38:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-11 20:38:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 20:38:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 20:38:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 20:38:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-11 20:38:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-11 20:38:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 20:38:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 20:38:57,276 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 20:38:57,642 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 20:38:57,642 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-03-11 20:38:57,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:38:57 BoogieIcfgContainer [2021-03-11 20:38:57,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 20:38:57,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 20:38:57,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 20:38:57,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 20:38:57,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 08:38:56" (1/3) ... [2021-03-11 20:38:57,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3196e82d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:38:57, skipping insertion in model container [2021-03-11 20:38:57,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:38:57" (2/3) ... [2021-03-11 20:38:57,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3196e82d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:38:57, skipping insertion in model container [2021-03-11 20:38:57,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:38:57" (3/3) ... [2021-03-11 20:38:57,650 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2021-03-11 20:38:57,654 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 20:38:57,656 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-03-11 20:38:57,657 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 20:38:57,679 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,679 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,679 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,679 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,680 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,680 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,680 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,680 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,680 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,680 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,680 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,680 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,680 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,681 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,681 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,682 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,682 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,682 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,682 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,682 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,682 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,683 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,683 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,683 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,683 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,683 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,683 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,683 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,685 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,685 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,685 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,685 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,685 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,685 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,685 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:38:57,689 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-11 20:38:57,701 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-11 20:38:57,725 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 20:38:57,726 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 20:38:57,726 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 20:38:57,726 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 20:38:57,726 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 20:38:57,726 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 20:38:57,726 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 20:38:57,727 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 20:38:57,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 92 transitions, 192 flow [2021-03-11 20:38:57,771 INFO L129 PetriNetUnfolder]: 5/103 cut-off events. [2021-03-11 20:38:57,771 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-11 20:38:57,775 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 103 events. 5/103 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 178 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 58. Up to 3 conditions per place. [2021-03-11 20:38:57,775 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 92 transitions, 192 flow [2021-03-11 20:38:57,787 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 82 transitions, 170 flow [2021-03-11 20:38:57,792 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 20:38:57,798 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 82 transitions, 170 flow [2021-03-11 20:38:57,799 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 82 transitions, 170 flow [2021-03-11 20:38:57,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 82 transitions, 170 flow [2021-03-11 20:38:57,808 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2021-03-11 20:38:57,808 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-11 20:38:57,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 82 events. 2/82 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 85 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2021-03-11 20:38:57,809 INFO L116 LiptonReduction]: Number of co-enabled transitions 420 [2021-03-11 20:38:59,986 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-11 20:39:00,196 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-03-11 20:39:00,309 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-03-11 20:39:00,632 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 127 [2021-03-11 20:39:00,758 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-03-11 20:39:01,039 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 128 [2021-03-11 20:39:01,176 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-03-11 20:39:01,181 INFO L131 LiptonReduction]: Checked pairs total: 377 [2021-03-11 20:39:01,181 INFO L133 LiptonReduction]: Total number of compositions: 92 [2021-03-11 20:39:01,182 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3395 [2021-03-11 20:39:01,186 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-11 20:39:01,186 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:39:01,186 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:39:01,186 INFO L255 CegarLoopForPetriNet]: trace histogram [1] [2021-03-11 20:39:01,186 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:39:01,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:39:01,189 INFO L82 PathProgramCache]: Analyzing trace with hash 355, now seen corresponding path program 1 times [2021-03-11 20:39:01,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:39:01,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309958199] [2021-03-11 20:39:01,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:39:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:39:01,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:39:01,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309958199] [2021-03-11 20:39:01,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:39:01,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-03-11 20:39:01,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615386637] [2021-03-11 20:39:01,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-11 20:39:01,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:39:01,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-11 20:39:01,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-11 20:39:01,366 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 184 [2021-03-11 20:39:01,368 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 14 places, 10 transitions, 26 flow. Second operand has 2 states, 2 states have (on average 158.5) internal successors, (317), 2 states have internal predecessors, (317), 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) [2021-03-11 20:39:01,368 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:39:01,368 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 184 [2021-03-11 20:39:01,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:39:01,372 INFO L129 PetriNetUnfolder]: 0/5 cut-off events. [2021-03-11 20:39:01,372 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-11 20:39:01,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11 conditions, 5 events. 0/5 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 1 event pairs, 0 based on Foata normal form. 4/9 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-11 20:39:01,374 INFO L132 encePairwiseOnDemand]: 179/184 looper letters, 0 selfloop transitions, 0 changer transitions 5/5 dead transitions. [2021-03-11 20:39:01,374 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 10 places, 5 transitions, 16 flow [2021-03-11 20:39:01,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-11 20:39:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-03-11 20:39:01,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 321 transitions. [2021-03-11 20:39:01,381 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8722826086956522 [2021-03-11 20:39:01,381 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 321 transitions. [2021-03-11 20:39:01,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 321 transitions. [2021-03-11 20:39:01,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:39:01,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 321 transitions. [2021-03-11 20:39:01,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 160.5) internal successors, (321), 2 states have internal predecessors, (321), 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) [2021-03-11 20:39:01,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 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) [2021-03-11 20:39:01,389 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 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) [2021-03-11 20:39:01,390 INFO L185 Difference]: Start difference. First operand has 14 places, 10 transitions, 26 flow. Second operand 2 states and 321 transitions. [2021-03-11 20:39:01,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 10 places, 5 transitions, 16 flow [2021-03-11 20:39:01,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 8 places, 5 transitions, 12 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 20:39:01,392 INFO L241 Difference]: Finished difference. Result has 8 places, 0 transitions, 0 flow [2021-03-11 20:39:01,393 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=12, PETRI_DIFFERENCE_MINUEND_PLACES=7, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=5, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=8, PETRI_TRANSITIONS=0} [2021-03-11 20:39:01,393 INFO L335 CegarLoopForPetriNet]: 14 programPoint places, -6 predicate places. [2021-03-11 20:39:01,393 INFO L480 AbstractCegarLoop]: Abstraction has has 8 places, 0 transitions, 0 flow [2021-03-11 20:39:01,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 158.5) internal successors, (317), 2 states have internal predecessors, (317), 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) [2021-03-11 20:39:01,394 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 20:39:01,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 08:39:01 BasicIcfg [2021-03-11 20:39:01,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 20:39:01,397 INFO L168 Benchmark]: Toolchain (without parser) took 4853.95 ms. Allocated memory was 385.9 MB in the beginning and 463.5 MB in the end (delta: 77.6 MB). Free memory was 347.2 MB in the beginning and 318.5 MB in the end (delta: 28.7 MB). Peak memory consumption was 107.7 MB. Max. memory is 16.0 GB. [2021-03-11 20:39:01,397 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 385.9 MB. Free memory was 367.1 MB in the beginning and 367.1 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 20:39:01,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.09 ms. Allocated memory is still 385.9 MB. Free memory was 346.6 MB in the beginning and 333.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 84.9 MB. Max. memory is 16.0 GB. [2021-03-11 20:39:01,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.80 ms. Allocated memory is still 385.9 MB. Free memory was 333.8 MB in the beginning and 330.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-11 20:39:01,398 INFO L168 Benchmark]: Boogie Preprocessor took 31.24 ms. Allocated memory is still 385.9 MB. Free memory was 330.6 MB in the beginning and 328.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 20:39:01,398 INFO L168 Benchmark]: RCFGBuilder took 433.46 ms. Allocated memory is still 385.9 MB. Free memory was 328.5 MB in the beginning and 289.7 MB in the end (delta: 38.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.0 GB. [2021-03-11 20:39:01,399 INFO L168 Benchmark]: TraceAbstraction took 3749.70 ms. Allocated memory was 385.9 MB in the beginning and 463.5 MB in the end (delta: 77.6 MB). Free memory was 289.7 MB in the beginning and 318.5 MB in the end (delta: -28.7 MB). Peak memory consumption was 48.9 MB. Max. memory is 16.0 GB. [2021-03-11 20:39:01,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 385.9 MB. Free memory was 367.1 MB in the beginning and 367.1 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 594.09 ms. Allocated memory is still 385.9 MB. Free memory was 346.6 MB in the beginning and 333.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 84.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 37.80 ms. Allocated memory is still 385.9 MB. Free memory was 333.8 MB in the beginning and 330.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 31.24 ms. Allocated memory is still 385.9 MB. Free memory was 330.6 MB in the beginning and 328.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 433.46 ms. Allocated memory is still 385.9 MB. Free memory was 328.5 MB in the beginning and 289.7 MB in the end (delta: 38.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3749.70 ms. Allocated memory was 385.9 MB in the beginning and 463.5 MB in the end (delta: 77.6 MB). Free memory was 289.7 MB in the beginning and 318.5 MB in the end (delta: -28.7 MB). Peak memory consumption was 48.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3381.7ms, 84 PlacesBefore, 14 PlacesAfterwards, 82 TransitionsBefore, 10 TransitionsAfterwards, 420 CoEnabledTransitionPairs, 7 FixpointIterations, 54 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 92 TotalNumberOfCompositions, 377 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 377, positive: 377, positive conditional: 0, positive unconditional: 377, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 302, positive: 302, positive conditional: 0, positive unconditional: 302, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 302, positive: 302, positive conditional: 0, positive unconditional: 302, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 377, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 302, unknown conditional: 0, unknown unconditional: 302] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 87 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 3672.4ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 30.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3458.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 2, 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: 6.6ms SsaConstructionTime, 18.2ms SatisfiabilityAnalysisTime, 56.3ms InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...