/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_30-traces-oplus-vs-meet_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 21:14:09,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 21:14:09,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 21:14:09,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 21:14:09,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 21:14:09,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 21:14:09,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 21:14:09,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 21:14:09,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 21:14:09,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 21:14:09,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 21:14:09,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 21:14:09,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 21:14:09,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 21:14:09,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 21:14:09,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 21:14:09,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 21:14:09,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 21:14:09,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 21:14:09,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 21:14:09,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 21:14:09,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 21:14:09,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 21:14:09,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 21:14:09,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 21:14:09,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 21:14:09,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 21:14:09,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 21:14:09,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 21:14:09,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 21:14:09,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 21:14:09,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 21:14:09,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 21:14:09,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 21:14:09,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 21:14:09,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 21:14:09,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 21:14:09,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 21:14:09,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 21:14:09,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 21:14:09,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 21:14:09,130 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 21:14:09,164 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 21:14:09,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 21:14:09,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 21:14:09,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 21:14:09,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 21:14:09,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 21:14:09,169 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 21:14:09,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 21:14:09,169 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 21:14:09,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 21:14:09,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 21:14:09,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 21:14:09,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 21:14:09,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 21:14:09,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 21:14:09,170 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 21:14:09,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 21:14:09,170 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 21:14:09,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 21:14:09,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 21:14:09,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 21:14:09,171 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 21:14:09,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 21:14:09,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 21:14:09,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 21:14:09,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 21:14:09,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 21:14:09,172 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 21:14:09,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 21:14:09,172 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 21:14:09,172 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 21:14:09,172 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-11 21:14:09,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 21:14:09,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 21:14:09,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 21:14:09,480 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 21:14:09,481 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 21:14:09,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2022-12-11 21:14:10,621 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 21:14:10,921 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 21:14:10,922 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2022-12-11 21:14:10,936 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d103831a/5f1684fbefc241bc971a3adb51e7d1af/FLAG617abdba9 [2022-12-11 21:14:10,955 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d103831a/5f1684fbefc241bc971a3adb51e7d1af [2022-12-11 21:14:10,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 21:14:10,958 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 21:14:10,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 21:14:10,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 21:14:10,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 21:14:10,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 09:14:10" (1/1) ... [2022-12-11 21:14:10,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b0065e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:10, skipping insertion in model container [2022-12-11 21:14:10,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 09:14:10" (1/1) ... [2022-12-11 21:14:10,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 21:14:11,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 21:14:11,148 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_30-traces-oplus-vs-meet_true.i[1097,1110] [2022-12-11 21:14:11,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 21:14:11,262 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 21:14:11,276 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_30-traces-oplus-vs-meet_true.i[1097,1110] [2022-12-11 21:14:11,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 21:14:11,369 INFO L208 MainTranslator]: Completed translation [2022-12-11 21:14:11,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:11 WrapperNode [2022-12-11 21:14:11,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 21:14:11,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 21:14:11,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 21:14:11,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 21:14:11,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:11" (1/1) ... [2022-12-11 21:14:11,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:11" (1/1) ... [2022-12-11 21:14:11,429 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-12-11 21:14:11,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 21:14:11,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 21:14:11,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 21:14:11,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 21:14:11,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:11" (1/1) ... [2022-12-11 21:14:11,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:11" (1/1) ... [2022-12-11 21:14:11,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:11" (1/1) ... [2022-12-11 21:14:11,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:11" (1/1) ... [2022-12-11 21:14:11,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:11" (1/1) ... [2022-12-11 21:14:11,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:11" (1/1) ... [2022-12-11 21:14:11,453 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:11" (1/1) ... [2022-12-11 21:14:11,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:11" (1/1) ... [2022-12-11 21:14:11,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 21:14:11,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 21:14:11,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 21:14:11,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 21:14:11,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:11" (1/1) ... [2022-12-11 21:14:11,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 21:14:11,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 21:14:11,492 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 21:14:11,501 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 21:14:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-11 21:14:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 21:14:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-11 21:14:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 21:14:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 21:14:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-11 21:14:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-11 21:14:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 21:14:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 21:14:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 21:14:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 21:14:11,534 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 21:14:11,638 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 21:14:11,639 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 21:14:11,780 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 21:14:11,786 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 21:14:11,786 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-11 21:14:11,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 09:14:11 BoogieIcfgContainer [2022-12-11 21:14:11,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 21:14:11,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 21:14:11,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 21:14:11,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 21:14:11,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 09:14:10" (1/3) ... [2022-12-11 21:14:11,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@774b7731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 09:14:11, skipping insertion in model container [2022-12-11 21:14:11,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:11" (2/3) ... [2022-12-11 21:14:11,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@774b7731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 09:14:11, skipping insertion in model container [2022-12-11 21:14:11,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 09:14:11" (3/3) ... [2022-12-11 21:14:11,795 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_30-traces-oplus-vs-meet_true.i [2022-12-11 21:14:11,824 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 21:14:11,825 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-11 21:14:11,825 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 21:14:11,892 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-11 21:14:11,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 78 places, 76 transitions, 160 flow [2022-12-11 21:14:11,957 INFO L130 PetriNetUnfolder]: 2/75 cut-off events. [2022-12-11 21:14:11,957 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-11 21:14:11,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 75 events. 2/75 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2022-12-11 21:14:11,961 INFO L82 GeneralOperation]: Start removeDead. Operand has 78 places, 76 transitions, 160 flow [2022-12-11 21:14:11,965 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 62 transitions, 127 flow [2022-12-11 21:14:11,974 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 21:14:11,979 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;@4b105e6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 21:14:11,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-11 21:14:11,990 INFO L130 PetriNetUnfolder]: 0/30 cut-off events. [2022-12-11 21:14:11,990 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 21:14:11,991 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:14:11,991 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] [2022-12-11 21:14:11,992 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:14:11,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:14:11,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1197804423, now seen corresponding path program 1 times [2022-12-11 21:14:12,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:14:12,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479499632] [2022-12-11 21:14:12,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:14:12,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:14:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:14:12,371 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 21:14:12,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:14:12,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479499632] [2022-12-11 21:14:12,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479499632] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:14:12,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:14:12,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-11 21:14:12,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426912703] [2022-12-11 21:14:12,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:14:12,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-11 21:14:12,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:14:12,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-11 21:14:12,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-11 21:14:12,434 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 76 [2022-12-11 21:14:12,440 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 62 transitions, 127 flow. Second operand has 5 states, 5 states have (on average 58.0) internal successors, (290), 5 states have internal predecessors, (290), 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 21:14:12,440 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:14:12,440 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 76 [2022-12-11 21:14:12,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:14:12,567 INFO L130 PetriNetUnfolder]: 8/94 cut-off events. [2022-12-11 21:14:12,567 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-11 21:14:12,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 94 events. 8/94 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 198 event pairs, 2 based on Foata normal form. 3/97 useless extension candidates. Maximal degree in co-relation 88. Up to 10 conditions per place. [2022-12-11 21:14:12,570 INFO L137 encePairwiseOnDemand]: 66/76 looper letters, 7 selfloop transitions, 9 changer transitions 8/70 dead transitions. [2022-12-11 21:14:12,570 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 70 transitions, 191 flow [2022-12-11 21:14:12,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-11 21:14:12,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-11 21:14:12,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 540 transitions. [2022-12-11 21:14:12,590 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7894736842105263 [2022-12-11 21:14:12,594 INFO L295 CegarLoopForPetriNet]: 65 programPoint places, 5 predicate places. [2022-12-11 21:14:12,595 INFO L82 GeneralOperation]: Start removeDead. Operand has 70 places, 70 transitions, 191 flow [2022-12-11 21:14:12,599 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 62 transitions, 159 flow [2022-12-11 21:14:12,601 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 62 transitions, 159 flow [2022-12-11 21:14:12,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 58.0) internal successors, (290), 5 states have internal predecessors, (290), 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 21:14:12,601 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:14:12,602 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 21:14:12,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 21:14:12,602 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:14:12,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:14:12,604 INFO L85 PathProgramCache]: Analyzing trace with hash 994095040, now seen corresponding path program 1 times [2022-12-11 21:14:12,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:14:12,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039306633] [2022-12-11 21:14:12,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:14:12,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:14:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:14:12,806 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 21:14:12,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:14:12,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039306633] [2022-12-11 21:14:12,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039306633] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:14:12,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:14:12,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-11 21:14:12,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353092052] [2022-12-11 21:14:12,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:14:12,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-11 21:14:12,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:14:12,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-11 21:14:12,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-11 21:14:12,811 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 76 [2022-12-11 21:14:12,811 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 62 transitions, 159 flow. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 21:14:12,811 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:14:12,811 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 76 [2022-12-11 21:14:12,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:14:12,852 INFO L130 PetriNetUnfolder]: 2/63 cut-off events. [2022-12-11 21:14:12,853 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-11 21:14:12,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 63 events. 2/63 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 35 event pairs, 0 based on Foata normal form. 6/68 useless extension candidates. Maximal degree in co-relation 47. Up to 10 conditions per place. [2022-12-11 21:14:12,854 INFO L137 encePairwiseOnDemand]: 72/76 looper letters, 9 selfloop transitions, 3 changer transitions 3/54 dead transitions. [2022-12-11 21:14:12,854 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 54 transitions, 161 flow [2022-12-11 21:14:12,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-11 21:14:12,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-11 21:14:12,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 179 transitions. [2022-12-11 21:14:12,857 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7850877192982456 [2022-12-11 21:14:12,858 INFO L295 CegarLoopForPetriNet]: 65 programPoint places, 0 predicate places. [2022-12-11 21:14:12,858 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 54 transitions, 161 flow [2022-12-11 21:14:12,860 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 63 places, 51 transitions, 151 flow [2022-12-11 21:14:12,860 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 51 transitions, 151 flow [2022-12-11 21:14:12,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 21:14:12,863 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:14:12,868 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 21:14:12,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-11 21:14:12,869 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:14:12,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:14:12,870 INFO L85 PathProgramCache]: Analyzing trace with hash 168316, now seen corresponding path program 1 times [2022-12-11 21:14:12,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:14:12,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560805985] [2022-12-11 21:14:12,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:14:12,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:14:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:14:13,144 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 21:14:13,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:14:13,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560805985] [2022-12-11 21:14:13,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560805985] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:14:13,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:14:13,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 21:14:13,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202384252] [2022-12-11 21:14:13,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:14:13,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 21:14:13,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:14:13,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 21:14:13,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-11 21:14:13,147 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 76 [2022-12-11 21:14:13,147 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 51 transitions, 151 flow. Second operand has 6 states, 6 states have (on average 51.0) internal successors, (306), 6 states have internal predecessors, (306), 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 21:14:13,147 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:14:13,148 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 76 [2022-12-11 21:14:13,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:14:13,202 INFO L130 PetriNetUnfolder]: 0/50 cut-off events. [2022-12-11 21:14:13,203 INFO L131 PetriNetUnfolder]: For 15/17 co-relation queries the response was YES. [2022-12-11 21:14:13,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 50 events. 0/50 cut-off events. For 15/17 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 2/52 useless extension candidates. Maximal degree in co-relation 0. Up to 10 conditions per place. [2022-12-11 21:14:13,203 INFO L137 encePairwiseOnDemand]: 72/76 looper letters, 0 selfloop transitions, 0 changer transitions 47/47 dead transitions. [2022-12-11 21:14:13,203 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 47 transitions, 175 flow [2022-12-11 21:14:13,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-11 21:14:13,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-11 21:14:13,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 260 transitions. [2022-12-11 21:14:13,205 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6842105263157895 [2022-12-11 21:14:13,206 INFO L295 CegarLoopForPetriNet]: 65 programPoint places, -4 predicate places. [2022-12-11 21:14:13,206 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 47 transitions, 175 flow [2022-12-11 21:14:13,206 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2022-12-11 21:14:13,206 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-11 21:14:13,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 51.0) internal successors, (306), 6 states have internal predecessors, (306), 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 21:14:13,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-11 21:14:13,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-12-11 21:14:13,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-11 21:14:13,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-11 21:14:13,210 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-11 21:14:13,213 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-11 21:14:13,214 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-11 21:14:13,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.12 09:14:13 BasicIcfg [2022-12-11 21:14:13,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-11 21:14:13,220 INFO L158 Benchmark]: Toolchain (without parser) took 2261.55ms. Allocated memory was 180.4MB in the beginning and 217.1MB in the end (delta: 36.7MB). Free memory was 155.6MB in the beginning and 122.8MB in the end (delta: 32.8MB). Peak memory consumption was 70.0MB. Max. memory is 8.0GB. [2022-12-11 21:14:13,220 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 180.4MB. Free memory was 157.1MB in the beginning and 157.0MB in the end (delta: 62.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 21:14:13,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.04ms. Allocated memory is still 180.4MB. Free memory was 155.1MB in the beginning and 136.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-11 21:14:13,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.61ms. Allocated memory is still 180.4MB. Free memory was 136.2MB in the beginning and 134.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 21:14:13,224 INFO L158 Benchmark]: Boogie Preprocessor took 25.61ms. Allocated memory is still 180.4MB. Free memory was 134.1MB in the beginning and 133.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-11 21:14:13,224 INFO L158 Benchmark]: RCFGBuilder took 326.58ms. Allocated memory is still 180.4MB. Free memory was 133.1MB in the beginning and 120.0MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-11 21:14:13,225 INFO L158 Benchmark]: TraceAbstraction took 1428.52ms. Allocated memory was 180.4MB in the beginning and 217.1MB in the end (delta: 36.7MB). Free memory was 118.4MB in the beginning and 122.8MB in the end (delta: -4.4MB). Peak memory consumption was 33.3MB. Max. memory is 8.0GB. [2022-12-11 21:14:13,234 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 180.4MB. Free memory was 157.1MB in the beginning and 157.0MB in the end (delta: 62.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 412.04ms. Allocated memory is still 180.4MB. Free memory was 155.1MB in the beginning and 136.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.61ms. Allocated memory is still 180.4MB. Free memory was 136.2MB in the beginning and 134.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.61ms. Allocated memory is still 180.4MB. Free memory was 134.1MB in the beginning and 133.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 326.58ms. Allocated memory is still 180.4MB. Free memory was 133.1MB in the beginning and 120.0MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1428.52ms. Allocated memory was 180.4MB in the beginning and 217.1MB in the end (delta: 36.7MB). Free memory was 118.4MB in the beginning and 122.8MB in the end (delta: -4.4MB). Peak memory consumption was 33.3MB. 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 - 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, 91 locations, 3 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: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 20 mSDtfsCounter, 81 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred in iteration=1, InterpolantAutomatonStates: 17, 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, 217 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 374 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-11 21:14:13,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...