/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 --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 21:14:38,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 21:14:38,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 21:14:38,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 21:14:38,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 21:14:38,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 21:14:38,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 21:14:38,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 21:14:38,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 21:14:38,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 21:14:38,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 21:14:38,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 21:14:38,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 21:14:38,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 21:14:38,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 21:14:38,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 21:14:38,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 21:14:38,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 21:14:38,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 21:14:38,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 21:14:38,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 21:14:38,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 21:14:38,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 21:14:38,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 21:14:38,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 21:14:38,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 21:14:38,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 21:14:38,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 21:14:38,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 21:14:38,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 21:14:38,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 21:14:38,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 21:14:38,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 21:14:38,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 21:14:38,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 21:14:38,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 21:14:38,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 21:14:38,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 21:14:38,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 21:14:38,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 21:14:38,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 21:14:38,995 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 [2022-12-11 21:14:39,018 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 21:14:39,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 21:14:39,019 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 21:14:39,019 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 21:14:39,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 21:14:39,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 21:14:39,021 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 21:14:39,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 21:14:39,021 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 21:14:39,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 21:14:39,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 21:14:39,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 21:14:39,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 21:14:39,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 21:14:39,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 21:14:39,022 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 21:14:39,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 21:14:39,022 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 21:14:39,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 21:14:39,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 21:14:39,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 21:14:39,022 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 21:14:39,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 21:14:39,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 21:14:39,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 21:14:39,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 21:14:39,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 21:14:39,023 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 21:14:39,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 21:14:39,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 21:14:39,023 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 21:14:39,024 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-11 21:14:39,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 21:14:39,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 21:14:39,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 21:14:39,297 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 21:14:39,298 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 21:14:39,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2022-12-11 21:14:40,351 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 21:14:40,606 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 21:14:40,606 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2022-12-11 21:14:40,628 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb7afd141/e14bf6d58d6a449daf1331a1b3f653d1/FLAG0e3470661 [2022-12-11 21:14:40,641 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb7afd141/e14bf6d58d6a449daf1331a1b3f653d1 [2022-12-11 21:14:40,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 21:14:40,643 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 21:14:40,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 21:14:40,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 21:14:40,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 21:14:40,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 09:14:40" (1/1) ... [2022-12-11 21:14:40,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7de67d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:40, skipping insertion in model container [2022-12-11 21:14:40,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 09:14:40" (1/1) ... [2022-12-11 21:14:40,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 21:14:40,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 21:14:40,813 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i[1129,1142] [2022-12-11 21:14:40,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 21:14:40,938 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 21:14:40,947 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i[1129,1142] [2022-12-11 21:14:40,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 21:14:41,006 INFO L208 MainTranslator]: Completed translation [2022-12-11 21:14:41,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:41 WrapperNode [2022-12-11 21:14:41,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 21:14:41,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 21:14:41,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 21:14:41,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 21:14:41,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:41" (1/1) ... [2022-12-11 21:14:41,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:41" (1/1) ... [2022-12-11 21:14:41,037 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2022-12-11 21:14:41,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 21:14:41,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 21:14:41,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 21:14:41,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 21:14:41,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:41" (1/1) ... [2022-12-11 21:14:41,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:41" (1/1) ... [2022-12-11 21:14:41,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:41" (1/1) ... [2022-12-11 21:14:41,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:41" (1/1) ... [2022-12-11 21:14:41,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:41" (1/1) ... [2022-12-11 21:14:41,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:41" (1/1) ... [2022-12-11 21:14:41,061 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:41" (1/1) ... [2022-12-11 21:14:41,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:41" (1/1) ... [2022-12-11 21:14:41,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 21:14:41,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 21:14:41,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 21:14:41,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 21:14:41,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:41" (1/1) ... [2022-12-11 21:14:41,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 21:14:41,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 21:14:41,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-11 21:14:41,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-11 21:14:41,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 21:14:41,125 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-11 21:14:41,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 21:14:41,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 21:14:41,125 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-11 21:14:41,125 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-11 21:14:41,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 21:14:41,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 21:14:41,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 21:14:41,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 21:14:41,126 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-11 21:14:41,202 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 21:14:41,204 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 21:14:41,354 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 21:14:41,358 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 21:14:41,358 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-11 21:14:41,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 09:14:41 BoogieIcfgContainer [2022-12-11 21:14:41,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 21:14:41,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 21:14:41,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 21:14:41,363 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 21:14:41,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 09:14:40" (1/3) ... [2022-12-11 21:14:41,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499df16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 09:14:41, skipping insertion in model container [2022-12-11 21:14:41,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:41" (2/3) ... [2022-12-11 21:14:41,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499df16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 09:14:41, skipping insertion in model container [2022-12-11 21:14:41,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 09:14:41" (3/3) ... [2022-12-11 21:14:41,365 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2022-12-11 21:14:41,377 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 21:14:41,377 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-11 21:14:41,377 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 21:14:41,405 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-11 21:14:41,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 65 transitions, 135 flow [2022-12-11 21:14:41,451 INFO L130 PetriNetUnfolder]: 1/64 cut-off events. [2022-12-11 21:14:41,451 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 21:14:41,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 64 events. 1/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2022-12-11 21:14:41,454 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 65 transitions, 135 flow [2022-12-11 21:14:41,456 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 54 transitions, 111 flow [2022-12-11 21:14:41,462 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 21:14:41,467 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@568feb92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 21:14:41,467 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-11 21:14:41,480 INFO L130 PetriNetUnfolder]: 0/53 cut-off events. [2022-12-11 21:14:41,480 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 21:14:41,480 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:14:41,481 INFO L214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 21:14:41,481 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:14:41,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:14:41,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1381328640, now seen corresponding path program 1 times [2022-12-11 21:14:41,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:14:41,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964183517] [2022-12-11 21:14:41,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:14:41,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:14:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:14:41,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:14:41,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:14:41,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964183517] [2022-12-11 21:14:41,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964183517] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:14:41,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:14:41,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-11 21:14:41,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693831075] [2022-12-11 21:14:41,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:14:41,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-11 21:14:41,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:14:41,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-11 21:14:41,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-11 21:14:41,890 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 65 [2022-12-11 21:14:41,893 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 54 transitions, 111 flow. Second operand has 5 states, 5 states have (on average 55.4) internal successors, (277), 5 states have internal predecessors, (277), 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) [2022-12-11 21:14:41,893 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:14:41,893 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 65 [2022-12-11 21:14:41,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:14:42,007 INFO L130 PetriNetUnfolder]: 2/82 cut-off events. [2022-12-11 21:14:42,007 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-11 21:14:42,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 82 events. 2/82 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 143 event pairs, 0 based on Foata normal form. 3/84 useless extension candidates. Maximal degree in co-relation 72. Up to 9 conditions per place. [2022-12-11 21:14:42,009 INFO L137 encePairwiseOnDemand]: 60/65 looper letters, 6 selfloop transitions, 2 changer transitions 8/62 dead transitions. [2022-12-11 21:14:42,009 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 62 transitions, 159 flow [2022-12-11 21:14:42,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-11 21:14:42,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-11 21:14:42,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 396 transitions. [2022-12-11 21:14:42,023 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8703296703296703 [2022-12-11 21:14:42,025 INFO L295 CegarLoopForPetriNet]: 58 programPoint places, 6 predicate places. [2022-12-11 21:14:42,025 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 62 transitions, 159 flow [2022-12-11 21:14:42,026 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 54 transitions, 127 flow [2022-12-11 21:14:42,027 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 54 transitions, 127 flow [2022-12-11 21:14:42,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 55.4) internal successors, (277), 5 states have internal predecessors, (277), 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) [2022-12-11 21:14:42,028 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:14:42,028 INFO L214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 21:14:42,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 21:14:42,029 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:14:42,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:14:42,029 INFO L85 PathProgramCache]: Analyzing trace with hash 799045091, now seen corresponding path program 1 times [2022-12-11 21:14:42,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:14:42,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876803612] [2022-12-11 21:14:42,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:14:42,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:14:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:14:42,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:14:42,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:14:42,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876803612] [2022-12-11 21:14:42,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876803612] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:14:42,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:14:42,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-11 21:14:42,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790494782] [2022-12-11 21:14:42,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:14:42,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-11 21:14:42,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:14:42,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-11 21:14:42,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-11 21:14:42,139 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 65 [2022-12-11 21:14:42,139 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 54 transitions, 127 flow. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2022-12-11 21:14:42,139 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:14:42,139 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 65 [2022-12-11 21:14:42,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:14:42,176 INFO L130 PetriNetUnfolder]: 2/76 cut-off events. [2022-12-11 21:14:42,176 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-11 21:14:42,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 76 events. 2/76 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 1 based on Foata normal form. 6/82 useless extension candidates. Maximal degree in co-relation 74. Up to 13 conditions per place. [2022-12-11 21:14:42,177 INFO L137 encePairwiseOnDemand]: 59/65 looper letters, 10 selfloop transitions, 6 changer transitions 1/56 dead transitions. [2022-12-11 21:14:42,177 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 56 transitions, 165 flow [2022-12-11 21:14:42,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-11 21:14:42,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-11 21:14:42,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 158 transitions. [2022-12-11 21:14:42,179 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8102564102564103 [2022-12-11 21:14:42,179 INFO L295 CegarLoopForPetriNet]: 58 programPoint places, 4 predicate places. [2022-12-11 21:14:42,179 INFO L82 GeneralOperation]: Start removeDead. Operand has 62 places, 56 transitions, 165 flow [2022-12-11 21:14:42,182 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 55 transitions, 161 flow [2022-12-11 21:14:42,183 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 55 transitions, 161 flow [2022-12-11 21:14:42,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2022-12-11 21:14:42,183 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:14:42,183 INFO L214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 21:14:42,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-11 21:14:42,183 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:14:42,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:14:42,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1671429546, now seen corresponding path program 1 times [2022-12-11 21:14:42,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:14:42,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440564349] [2022-12-11 21:14:42,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:14:42,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:14:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:14:42,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:14:42,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:14:42,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440564349] [2022-12-11 21:14:42,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440564349] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:14:42,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:14:42,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 21:14:42,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497089745] [2022-12-11 21:14:42,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:14:42,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 21:14:42,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:14:42,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 21:14:42,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-11 21:14:42,452 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 65 [2022-12-11 21:14:42,452 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 55 transitions, 161 flow. Second operand has 6 states, 6 states have (on average 43.333333333333336) internal successors, (260), 6 states have internal predecessors, (260), 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) [2022-12-11 21:14:42,452 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:14:42,452 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 65 [2022-12-11 21:14:42,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:14:42,509 INFO L130 PetriNetUnfolder]: 0/48 cut-off events. [2022-12-11 21:14:42,509 INFO L131 PetriNetUnfolder]: For 14/15 co-relation queries the response was YES. [2022-12-11 21:14:42,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 48 events. 0/48 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 19 event pairs, 0 based on Foata normal form. 2/50 useless extension candidates. Maximal degree in co-relation 0. Up to 10 conditions per place. [2022-12-11 21:14:42,510 INFO L137 encePairwiseOnDemand]: 61/65 looper letters, 0 selfloop transitions, 0 changer transitions 45/45 dead transitions. [2022-12-11 21:14:42,510 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 45 transitions, 167 flow [2022-12-11 21:14:42,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-11 21:14:42,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-11 21:14:42,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 221 transitions. [2022-12-11 21:14:42,517 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.68 [2022-12-11 21:14:42,518 INFO L295 CegarLoopForPetriNet]: 58 programPoint places, -2 predicate places. [2022-12-11 21:14:42,518 INFO L82 GeneralOperation]: Start removeDead. Operand has 56 places, 45 transitions, 167 flow [2022-12-11 21:14:42,518 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2022-12-11 21:14:42,519 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-11 21:14:42,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.333333333333336) internal successors, (260), 6 states have internal predecessors, (260), 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) [2022-12-11 21:14:42,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-11 21:14:42,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-11 21:14:42,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-11 21:14:42,522 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-11 21:14:42,532 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-11 21:14:42,532 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-11 21:14:42,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.12 09:14:42 BasicIcfg [2022-12-11 21:14:42,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-11 21:14:42,536 INFO L158 Benchmark]: Toolchain (without parser) took 1892.69ms. Allocated memory was 213.9MB in the beginning and 274.7MB in the end (delta: 60.8MB). Free memory was 188.7MB in the beginning and 164.7MB in the end (delta: 23.9MB). Peak memory consumption was 86.0MB. Max. memory is 8.0GB. [2022-12-11 21:14:42,536 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 213.9MB. Free memory is still 189.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 21:14:42,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.72ms. Allocated memory is still 213.9MB. Free memory was 188.7MB in the beginning and 169.5MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-11 21:14:42,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.53ms. Allocated memory is still 213.9MB. Free memory was 169.5MB in the beginning and 167.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 21:14:42,537 INFO L158 Benchmark]: Boogie Preprocessor took 25.20ms. Allocated memory is still 213.9MB. Free memory was 167.9MB in the beginning and 166.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-11 21:14:42,537 INFO L158 Benchmark]: RCFGBuilder took 296.62ms. Allocated memory is still 213.9MB. Free memory was 166.4MB in the beginning and 153.2MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-11 21:14:42,538 INFO L158 Benchmark]: TraceAbstraction took 1174.18ms. Allocated memory was 213.9MB in the beginning and 274.7MB in the end (delta: 60.8MB). Free memory was 152.2MB in the beginning and 164.7MB in the end (delta: -12.5MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. [2022-12-11 21:14:42,540 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 213.9MB. Free memory is still 189.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 360.72ms. Allocated memory is still 213.9MB. Free memory was 188.7MB in the beginning and 169.5MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.53ms. Allocated memory is still 213.9MB. Free memory was 169.5MB in the beginning and 167.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.20ms. Allocated memory is still 213.9MB. Free memory was 167.9MB in the beginning and 166.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 296.62ms. Allocated memory is still 213.9MB. Free memory was 166.4MB in the beginning and 153.2MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1174.18ms. Allocated memory was 213.9MB in the beginning and 274.7MB in the end (delta: 60.8MB). Free memory was 152.2MB in the beginning and 164.7MB in the end (delta: -12.5MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 77 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 20 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred in iteration=2, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 203 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 334 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-11 21:14:42,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...