/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked PROGRAM_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/goblint-regression/09-regions_02-list_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 07:07:35,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 07:07:35,775 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-26 07:07:35,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 07:07:35,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 07:07:35,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 07:07:35,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 07:07:35,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 07:07:35,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 07:07:35,823 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 07:07:35,823 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 07:07:35,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 07:07:35,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 07:07:35,825 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 07:07:35,825 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 07:07:35,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 07:07:35,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 07:07:35,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 07:07:35,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 07:07:35,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 07:07:35,826 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 07:07:35,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 07:07:35,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 07:07:35,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 07:07:35,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 07:07:35,828 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 07:07:35,828 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 07:07:35,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 07:07:35,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 07:07:35,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 07:07:35,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 07:07:35,830 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 07:07:35,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 07:07:35,830 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 07:07:35,830 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 07:07:35,831 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 07:07:36,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 07:07:36,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 07:07:36,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 07:07:36,169 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 07:07:36,169 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 07:07:36,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_02-list_nr.i [2023-08-26 07:07:37,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 07:07:37,749 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 07:07:37,749 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_02-list_nr.i [2023-08-26 07:07:37,770 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52d02b137/7ba078fd172a4669b35ff644bd9ea089/FLAGf3aec9ca1 [2023-08-26 07:07:37,785 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52d02b137/7ba078fd172a4669b35ff644bd9ea089 [2023-08-26 07:07:37,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 07:07:37,791 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 07:07:37,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 07:07:37,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 07:07:37,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 07:07:37,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:07:37" (1/1) ... [2023-08-26 07:07:37,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257d25fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:07:37, skipping insertion in model container [2023-08-26 07:07:37,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:07:37" (1/1) ... [2023-08-26 07:07:37,857 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 07:07:38,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 07:07:38,334 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 07:07:38,357 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-08-26 07:07:38,358 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-08-26 07:07:38,368 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [1044] [2023-08-26 07:07:38,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 07:07:38,472 INFO L206 MainTranslator]: Completed translation [2023-08-26 07:07:38,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:07:38 WrapperNode [2023-08-26 07:07:38,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 07:07:38,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 07:07:38,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 07:07:38,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 07:07:38,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:07:38" (1/1) ... [2023-08-26 07:07:38,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:07:38" (1/1) ... [2023-08-26 07:07:38,527 INFO L138 Inliner]: procedures = 368, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 172 [2023-08-26 07:07:38,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 07:07:38,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 07:07:38,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 07:07:38,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 07:07:38,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:07:38" (1/1) ... [2023-08-26 07:07:38,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:07:38" (1/1) ... [2023-08-26 07:07:38,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:07:38" (1/1) ... [2023-08-26 07:07:38,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:07:38" (1/1) ... [2023-08-26 07:07:38,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:07:38" (1/1) ... [2023-08-26 07:07:38,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:07:38" (1/1) ... [2023-08-26 07:07:38,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:07:38" (1/1) ... [2023-08-26 07:07:38,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:07:38" (1/1) ... [2023-08-26 07:07:38,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 07:07:38,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 07:07:38,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 07:07:38,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 07:07:38,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:07:38" (1/1) ... [2023-08-26 07:07:38,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 07:07:38,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 07:07:38,603 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) [2023-08-26 07:07:38,616 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 [2023-08-26 07:07:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 07:07:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-26 07:07:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 07:07:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 07:07:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 07:07:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-26 07:07:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-26 07:07:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 07:07:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-26 07:07:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-26 07:07:38,642 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-26 07:07:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 07:07:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 07:07:38,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 07:07:38,644 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 07:07:38,775 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 07:07:38,777 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 07:07:39,046 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 07:07:39,054 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 07:07:39,054 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 07:07:39,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:07:39 BoogieIcfgContainer [2023-08-26 07:07:39,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 07:07:39,057 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 07:07:39,057 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 07:07:39,060 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 07:07:39,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 07:07:37" (1/3) ... [2023-08-26 07:07:39,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19763d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 07:07:39, skipping insertion in model container [2023-08-26 07:07:39,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:07:38" (2/3) ... [2023-08-26 07:07:39,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19763d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 07:07:39, skipping insertion in model container [2023-08-26 07:07:39,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:07:39" (3/3) ... [2023-08-26 07:07:39,062 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_02-list_nr.i [2023-08-26 07:07:39,077 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 07:07:39,077 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-08-26 07:07:39,077 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 07:07:39,188 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-26 07:07:39,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 200 places, 196 transitions, 397 flow [2023-08-26 07:07:39,329 INFO L124 PetriNetUnfolderBase]: 0/195 cut-off events. [2023-08-26 07:07:39,329 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 07:07:39,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 195 events. 0/195 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 83 event pairs, 0 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-26 07:07:39,332 INFO L82 GeneralOperation]: Start removeDead. Operand has 200 places, 196 transitions, 397 flow [2023-08-26 07:07:39,341 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 199 places, 195 transitions, 393 flow [2023-08-26 07:07:39,345 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 07:07:39,359 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 199 places, 195 transitions, 393 flow [2023-08-26 07:07:39,362 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 199 places, 195 transitions, 393 flow [2023-08-26 07:07:39,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 199 places, 195 transitions, 393 flow [2023-08-26 07:07:39,419 INFO L124 PetriNetUnfolderBase]: 0/195 cut-off events. [2023-08-26 07:07:39,419 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 07:07:39,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 195 events. 0/195 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 83 event pairs, 0 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-26 07:07:39,423 INFO L119 LiptonReduction]: Number of co-enabled transitions 4092 [2023-08-26 07:08:20,483 WARN L234 SmtUtils]: Spent 15.42s on a formula simplification that was a NOOP. DAG size: 250 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 07:08:39,262 WARN L234 SmtUtils]: Spent 15.46s on a formula simplification that was a NOOP. DAG size: 250 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 07:08:51,861 WARN L234 SmtUtils]: Spent 12.59s on a formula simplification that was a NOOP. DAG size: 224 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 07:09:11,952 WARN L234 SmtUtils]: Spent 19.40s on a formula simplification. DAG size of input: 262 DAG size of output: 259 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 07:09:21,832 WARN L234 SmtUtils]: Spent 9.88s on a formula simplification that was a NOOP. DAG size: 251 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 07:10:17,637 WARN L234 SmtUtils]: Spent 55.80s on a formula simplification. DAG size of input: 262 DAG size of output: 259 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 07:10:30,481 WARN L234 SmtUtils]: Spent 12.84s on a formula simplification that was a NOOP. DAG size: 251 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 07:10:30,485 INFO L134 LiptonReduction]: Checked pairs total: 38163 [2023-08-26 07:10:30,485 INFO L136 LiptonReduction]: Total number of compositions: 159 [2023-08-26 07:10:30,496 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 07:10:30,500 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;@7f4864a6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 07:10:30,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2023-08-26 07:10:30,501 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 07:10:30,501 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-26 07:10:30,501 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 07:10:30,502 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:10:30,502 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-26 07:10:30,502 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:10:30,506 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:10:30,506 INFO L85 PathProgramCache]: Analyzing trace with hash 643, now seen corresponding path program 1 times [2023-08-26 07:10:30,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:10:30,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29004299] [2023-08-26 07:10:30,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:10:30,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:10:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:10:30,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:10:30,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:10:30,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29004299] [2023-08-26 07:10:30,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29004299] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:10:30,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:10:30,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-26 07:10:30,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468744966] [2023-08-26 07:10:30,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:10:30,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 07:10:30,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:10:30,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 07:10:30,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 07:10:30,648 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 355 [2023-08-26 07:10:30,653 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 73 transitions, 149 flow. Second operand has 2 states, 2 states have (on average 195.5) internal successors, (391), 2 states have internal predecessors, (391), 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) [2023-08-26 07:10:30,653 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:10:30,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 355 [2023-08-26 07:10:30,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:10:30,814 INFO L124 PetriNetUnfolderBase]: 78/405 cut-off events. [2023-08-26 07:10:30,814 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 07:10:30,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 587 conditions, 405 events. 78/405 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1925 event pairs, 78 based on Foata normal form. 0/364 useless extension candidates. Maximal degree in co-relation 578. Up to 178 conditions per place. [2023-08-26 07:10:30,823 INFO L140 encePairwiseOnDemand]: 347/355 looper letters, 21 selfloop transitions, 0 changer transitions 0/65 dead transitions. [2023-08-26 07:10:30,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 65 transitions, 175 flow [2023-08-26 07:10:30,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 07:10:30,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 07:10:30,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 419 transitions. [2023-08-26 07:10:30,842 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5901408450704225 [2023-08-26 07:10:30,843 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 419 transitions. [2023-08-26 07:10:30,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 419 transitions. [2023-08-26 07:10:30,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:10:30,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 419 transitions. [2023-08-26 07:10:30,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 209.5) internal successors, (419), 2 states have internal predecessors, (419), 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) [2023-08-26 07:10:30,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 states have internal predecessors, (1065), 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) [2023-08-26 07:10:30,858 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 states have internal predecessors, (1065), 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) [2023-08-26 07:10:30,859 INFO L175 Difference]: Start difference. First operand has 77 places, 73 transitions, 149 flow. Second operand 2 states and 419 transitions. [2023-08-26 07:10:30,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 65 transitions, 175 flow [2023-08-26 07:10:30,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 65 transitions, 174 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 07:10:30,864 INFO L231 Difference]: Finished difference. Result has 69 places, 65 transitions, 132 flow [2023-08-26 07:10:30,866 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=132, PETRI_PLACES=69, PETRI_TRANSITIONS=65} [2023-08-26 07:10:30,869 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -8 predicate places. [2023-08-26 07:10:30,869 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 65 transitions, 132 flow [2023-08-26 07:10:30,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 195.5) internal successors, (391), 2 states have internal predecessors, (391), 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) [2023-08-26 07:10:30,870 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:10:30,870 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-26 07:10:30,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 07:10:30,870 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:10:30,878 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:10:30,878 INFO L85 PathProgramCache]: Analyzing trace with hash 616433557, now seen corresponding path program 1 times [2023-08-26 07:10:30,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:10:30,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129127562] [2023-08-26 07:10:30,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:10:30,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:10:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:10:31,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:10:31,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:10:31,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129127562] [2023-08-26 07:10:31,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129127562] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:10:31,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:10:31,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 07:10:31,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212739629] [2023-08-26 07:10:31,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:10:31,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 07:10:31,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:10:31,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 07:10:31,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 07:10:31,154 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 355 [2023-08-26 07:10:31,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 65 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 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) [2023-08-26 07:10:31,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:10:31,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 355 [2023-08-26 07:10:31,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:10:31,269 INFO L124 PetriNetUnfolderBase]: 119/489 cut-off events. [2023-08-26 07:10:31,270 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 07:10:31,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 758 conditions, 489 events. 119/489 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2334 event pairs, 119 based on Foata normal form. 0/466 useless extension candidates. Maximal degree in co-relation 755. Up to 264 conditions per place. [2023-08-26 07:10:31,272 INFO L140 encePairwiseOnDemand]: 351/355 looper letters, 25 selfloop transitions, 1 changer transitions 0/62 dead transitions. [2023-08-26 07:10:31,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 62 transitions, 178 flow [2023-08-26 07:10:31,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 07:10:31,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 07:10:31,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2023-08-26 07:10:31,275 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5258215962441315 [2023-08-26 07:10:31,275 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 560 transitions. [2023-08-26 07:10:31,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 560 transitions. [2023-08-26 07:10:31,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:10:31,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 560 transitions. [2023-08-26 07:10:31,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 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) [2023-08-26 07:10:31,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 355.0) internal successors, (1420), 4 states have internal predecessors, (1420), 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) [2023-08-26 07:10:31,282 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 355.0) internal successors, (1420), 4 states have internal predecessors, (1420), 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) [2023-08-26 07:10:31,282 INFO L175 Difference]: Start difference. First operand has 69 places, 65 transitions, 132 flow. Second operand 3 states and 560 transitions. [2023-08-26 07:10:31,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 62 transitions, 178 flow [2023-08-26 07:10:31,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 62 transitions, 178 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 07:10:31,287 INFO L231 Difference]: Finished difference. Result has 68 places, 62 transitions, 128 flow [2023-08-26 07:10:31,287 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=68, PETRI_TRANSITIONS=62} [2023-08-26 07:10:31,288 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -9 predicate places. [2023-08-26 07:10:31,292 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 62 transitions, 128 flow [2023-08-26 07:10:31,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 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) [2023-08-26 07:10:31,293 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:10:31,293 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:10:31,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 07:10:31,296 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:10:31,299 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:10:31,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1088761223, now seen corresponding path program 1 times [2023-08-26 07:10:31,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:10:31,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132619260] [2023-08-26 07:10:31,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:10:31,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:10:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:10:31,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:10:31,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:10:31,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132619260] [2023-08-26 07:10:31,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132619260] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:10:31,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:10:31,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 07:10:31,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480160477] [2023-08-26 07:10:31,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:10:31,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 07:10:31,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:10:31,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 07:10:31,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 07:10:31,923 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 355 [2023-08-26 07:10:31,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 62 transitions, 128 flow. Second operand has 6 states, 6 states have (on average 118.5) internal successors, (711), 6 states have internal predecessors, (711), 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) [2023-08-26 07:10:31,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:10:31,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 355 [2023-08-26 07:10:31,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:10:32,440 INFO L124 PetriNetUnfolderBase]: 665/1475 cut-off events. [2023-08-26 07:10:32,440 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 07:10:32,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2871 conditions, 1475 events. 665/1475 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6989 event pairs, 534 based on Foata normal form. 0/1303 useless extension candidates. Maximal degree in co-relation 2867. Up to 1282 conditions per place. [2023-08-26 07:10:32,449 INFO L140 encePairwiseOnDemand]: 341/355 looper letters, 90 selfloop transitions, 37 changer transitions 0/134 dead transitions. [2023-08-26 07:10:32,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 134 transitions, 526 flow [2023-08-26 07:10:32,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 07:10:32,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 07:10:32,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 830 transitions. [2023-08-26 07:10:32,452 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38967136150234744 [2023-08-26 07:10:32,452 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 830 transitions. [2023-08-26 07:10:32,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 830 transitions. [2023-08-26 07:10:32,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:10:32,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 830 transitions. [2023-08-26 07:10:32,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 138.33333333333334) internal successors, (830), 6 states have internal predecessors, (830), 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) [2023-08-26 07:10:32,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 355.0) internal successors, (2485), 7 states have internal predecessors, (2485), 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) [2023-08-26 07:10:32,459 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 355.0) internal successors, (2485), 7 states have internal predecessors, (2485), 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) [2023-08-26 07:10:32,459 INFO L175 Difference]: Start difference. First operand has 68 places, 62 transitions, 128 flow. Second operand 6 states and 830 transitions. [2023-08-26 07:10:32,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 134 transitions, 526 flow [2023-08-26 07:10:32,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 134 transitions, 525 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 07:10:32,464 INFO L231 Difference]: Finished difference. Result has 76 places, 98 transitions, 339 flow [2023-08-26 07:10:32,464 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=339, PETRI_PLACES=76, PETRI_TRANSITIONS=98} [2023-08-26 07:10:32,465 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -1 predicate places. [2023-08-26 07:10:32,465 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 98 transitions, 339 flow [2023-08-26 07:10:32,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.5) internal successors, (711), 6 states have internal predecessors, (711), 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) [2023-08-26 07:10:32,466 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:10:32,466 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:10:32,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-26 07:10:32,466 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:10:32,467 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:10:32,467 INFO L85 PathProgramCache]: Analyzing trace with hash -80791827, now seen corresponding path program 1 times [2023-08-26 07:10:32,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:10:32,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874719054] [2023-08-26 07:10:32,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:10:32,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:10:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:10:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:10:32,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:10:32,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874719054] [2023-08-26 07:10:32,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874719054] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:10:32,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:10:32,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 07:10:32,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530216217] [2023-08-26 07:10:32,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:10:32,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 07:10:32,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:10:32,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 07:10:32,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 07:10:32,898 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 355 [2023-08-26 07:10:32,899 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 98 transitions, 339 flow. Second operand has 6 states, 6 states have (on average 117.66666666666667) internal successors, (706), 6 states have internal predecessors, (706), 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) [2023-08-26 07:10:32,899 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:10:32,899 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 355 [2023-08-26 07:10:32,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:10:33,780 INFO L124 PetriNetUnfolderBase]: 1164/2546 cut-off events. [2023-08-26 07:10:33,780 INFO L125 PetriNetUnfolderBase]: For 427/427 co-relation queries the response was YES. [2023-08-26 07:10:33,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5936 conditions, 2546 events. 1164/2546 cut-off events. For 427/427 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 14381 event pairs, 137 based on Foata normal form. 0/2256 useless extension candidates. Maximal degree in co-relation 5928. Up to 1227 conditions per place. [2023-08-26 07:10:33,794 INFO L140 encePairwiseOnDemand]: 327/355 looper letters, 215 selfloop transitions, 77 changer transitions 0/298 dead transitions. [2023-08-26 07:10:33,795 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 298 transitions, 1466 flow [2023-08-26 07:10:33,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 07:10:33,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 07:10:33,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 946 transitions. [2023-08-26 07:10:33,798 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.444131455399061 [2023-08-26 07:10:33,798 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 946 transitions. [2023-08-26 07:10:33,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 946 transitions. [2023-08-26 07:10:33,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:10:33,798 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 946 transitions. [2023-08-26 07:10:33,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 157.66666666666666) internal successors, (946), 6 states have internal predecessors, (946), 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) [2023-08-26 07:10:33,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 355.0) internal successors, (2485), 7 states have internal predecessors, (2485), 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) [2023-08-26 07:10:33,805 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 355.0) internal successors, (2485), 7 states have internal predecessors, (2485), 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) [2023-08-26 07:10:33,805 INFO L175 Difference]: Start difference. First operand has 76 places, 98 transitions, 339 flow. Second operand 6 states and 946 transitions. [2023-08-26 07:10:33,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 298 transitions, 1466 flow [2023-08-26 07:10:33,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 298 transitions, 1466 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 07:10:33,814 INFO L231 Difference]: Finished difference. Result has 85 places, 171 transitions, 913 flow [2023-08-26 07:10:33,814 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=913, PETRI_PLACES=85, PETRI_TRANSITIONS=171} [2023-08-26 07:10:33,815 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 8 predicate places. [2023-08-26 07:10:33,815 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 171 transitions, 913 flow [2023-08-26 07:10:33,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 117.66666666666667) internal successors, (706), 6 states have internal predecessors, (706), 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) [2023-08-26 07:10:33,816 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:10:33,816 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:10:33,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-26 07:10:33,816 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:10:33,816 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:10:33,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1685414345, now seen corresponding path program 1 times [2023-08-26 07:10:33,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:10:33,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074377586] [2023-08-26 07:10:33,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:10:33,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:10:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:10:34,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:10:34,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:10:34,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074377586] [2023-08-26 07:10:34,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074377586] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:10:34,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:10:34,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:10:34,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474179614] [2023-08-26 07:10:34,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:10:34,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:10:34,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:10:34,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:10:34,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:10:34,311 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 355 [2023-08-26 07:10:34,312 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 171 transitions, 913 flow. Second operand has 10 states, 10 states have (on average 103.3) internal successors, (1033), 10 states have internal predecessors, (1033), 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) [2023-08-26 07:10:34,312 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:10:34,312 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 355 [2023-08-26 07:10:34,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:10:35,332 INFO L124 PetriNetUnfolderBase]: 1150/2565 cut-off events. [2023-08-26 07:10:35,332 INFO L125 PetriNetUnfolderBase]: For 1920/1922 co-relation queries the response was YES. [2023-08-26 07:10:35,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7676 conditions, 2565 events. 1150/2565 cut-off events. For 1920/1922 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 14489 event pairs, 465 based on Foata normal form. 0/2399 useless extension candidates. Maximal degree in co-relation 7663. Up to 2000 conditions per place. [2023-08-26 07:10:35,347 INFO L140 encePairwiseOnDemand]: 341/355 looper letters, 303 selfloop transitions, 64 changer transitions 4/377 dead transitions. [2023-08-26 07:10:35,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 377 transitions, 2571 flow [2023-08-26 07:10:35,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-26 07:10:35,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-26 07:10:35,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1768 transitions. [2023-08-26 07:10:35,353 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.332018779342723 [2023-08-26 07:10:35,353 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1768 transitions. [2023-08-26 07:10:35,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1768 transitions. [2023-08-26 07:10:35,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:10:35,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1768 transitions. [2023-08-26 07:10:35,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 117.86666666666666) internal successors, (1768), 15 states have internal predecessors, (1768), 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) [2023-08-26 07:10:35,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 355.0) internal successors, (5680), 16 states have internal predecessors, (5680), 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) [2023-08-26 07:10:35,365 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 355.0) internal successors, (5680), 16 states have internal predecessors, (5680), 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) [2023-08-26 07:10:35,365 INFO L175 Difference]: Start difference. First operand has 85 places, 171 transitions, 913 flow. Second operand 15 states and 1768 transitions. [2023-08-26 07:10:35,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 377 transitions, 2571 flow [2023-08-26 07:10:35,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 377 transitions, 2553 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-08-26 07:10:35,380 INFO L231 Difference]: Finished difference. Result has 104 places, 203 transitions, 1299 flow [2023-08-26 07:10:35,380 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=895, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1299, PETRI_PLACES=104, PETRI_TRANSITIONS=203} [2023-08-26 07:10:35,381 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 27 predicate places. [2023-08-26 07:10:35,381 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 203 transitions, 1299 flow [2023-08-26 07:10:35,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 103.3) internal successors, (1033), 10 states have internal predecessors, (1033), 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) [2023-08-26 07:10:35,381 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:10:35,381 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:10:35,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-26 07:10:35,382 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:10:35,382 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:10:35,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1676920082, now seen corresponding path program 1 times [2023-08-26 07:10:35,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:10:35,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455037921] [2023-08-26 07:10:35,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:10:35,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:10:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:10:35,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:10:35,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:10:35,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455037921] [2023-08-26 07:10:35,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455037921] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:10:35,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:10:35,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:10:35,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733254965] [2023-08-26 07:10:35,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:10:35,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:10:35,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:10:35,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:10:35,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:10:35,868 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 355 [2023-08-26 07:10:35,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 203 transitions, 1299 flow. Second operand has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:10:35,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:10:35,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 355 [2023-08-26 07:10:35,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:10:37,438 INFO L124 PetriNetUnfolderBase]: 1546/3450 cut-off events. [2023-08-26 07:10:37,439 INFO L125 PetriNetUnfolderBase]: For 3368/3376 co-relation queries the response was YES. [2023-08-26 07:10:37,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11169 conditions, 3450 events. 1546/3450 cut-off events. For 3368/3376 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 21442 event pairs, 217 based on Foata normal form. 21/3227 useless extension candidates. Maximal degree in co-relation 11150. Up to 1150 conditions per place. [2023-08-26 07:10:37,467 INFO L140 encePairwiseOnDemand]: 323/355 looper letters, 387 selfloop transitions, 121 changer transitions 4/518 dead transitions. [2023-08-26 07:10:37,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 518 transitions, 3828 flow [2023-08-26 07:10:37,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-26 07:10:37,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-26 07:10:37,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1623 transitions. [2023-08-26 07:10:37,473 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38098591549295774 [2023-08-26 07:10:37,473 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1623 transitions. [2023-08-26 07:10:37,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1623 transitions. [2023-08-26 07:10:37,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:10:37,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1623 transitions. [2023-08-26 07:10:37,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 135.25) internal successors, (1623), 12 states have internal predecessors, (1623), 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) [2023-08-26 07:10:37,482 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 355.0) internal successors, (4615), 13 states have internal predecessors, (4615), 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) [2023-08-26 07:10:37,483 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 355.0) internal successors, (4615), 13 states have internal predecessors, (4615), 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) [2023-08-26 07:10:37,483 INFO L175 Difference]: Start difference. First operand has 104 places, 203 transitions, 1299 flow. Second operand 12 states and 1623 transitions. [2023-08-26 07:10:37,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 518 transitions, 3828 flow [2023-08-26 07:10:37,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 518 transitions, 3816 flow, removed 6 selfloop flow, removed 0 redundant places. [2023-08-26 07:10:37,542 INFO L231 Difference]: Finished difference. Result has 125 places, 258 transitions, 2206 flow [2023-08-26 07:10:37,543 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=1293, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2206, PETRI_PLACES=125, PETRI_TRANSITIONS=258} [2023-08-26 07:10:37,545 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 48 predicate places. [2023-08-26 07:10:37,545 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 258 transitions, 2206 flow [2023-08-26 07:10:37,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:10:37,546 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:10:37,546 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:10:37,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-26 07:10:37,546 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:10:37,547 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:10:37,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1311471964, now seen corresponding path program 2 times [2023-08-26 07:10:37,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:10:37,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567173913] [2023-08-26 07:10:37,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:10:37,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:10:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:10:37,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:10:37,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:10:37,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567173913] [2023-08-26 07:10:37,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567173913] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:10:37,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:10:37,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:10:37,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140081023] [2023-08-26 07:10:37,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:10:37,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:10:37,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:10:37,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:10:37,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:10:37,959 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 355 [2023-08-26 07:10:37,961 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 258 transitions, 2206 flow. Second operand has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:10:37,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:10:37,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 355 [2023-08-26 07:10:37,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:10:39,422 INFO L124 PetriNetUnfolderBase]: 1620/3588 cut-off events. [2023-08-26 07:10:39,423 INFO L125 PetriNetUnfolderBase]: For 7555/7573 co-relation queries the response was YES. [2023-08-26 07:10:39,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13503 conditions, 3588 events. 1620/3588 cut-off events. For 7555/7573 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 22373 event pairs, 318 based on Foata normal form. 30/3370 useless extension candidates. Maximal degree in co-relation 13474. Up to 1857 conditions per place. [2023-08-26 07:10:39,458 INFO L140 encePairwiseOnDemand]: 330/355 looper letters, 438 selfloop transitions, 116 changer transitions 6/566 dead transitions. [2023-08-26 07:10:39,458 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 566 transitions, 4999 flow [2023-08-26 07:10:39,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-26 07:10:39,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-26 07:10:39,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2234 transitions. [2023-08-26 07:10:39,465 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34960876369327076 [2023-08-26 07:10:39,465 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2234 transitions. [2023-08-26 07:10:39,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2234 transitions. [2023-08-26 07:10:39,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:10:39,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2234 transitions. [2023-08-26 07:10:39,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 124.11111111111111) internal successors, (2234), 18 states have internal predecessors, (2234), 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) [2023-08-26 07:10:39,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 355.0) internal successors, (6745), 19 states have internal predecessors, (6745), 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) [2023-08-26 07:10:39,479 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 355.0) internal successors, (6745), 19 states have internal predecessors, (6745), 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) [2023-08-26 07:10:39,479 INFO L175 Difference]: Start difference. First operand has 125 places, 258 transitions, 2206 flow. Second operand 18 states and 2234 transitions. [2023-08-26 07:10:39,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 566 transitions, 4999 flow [2023-08-26 07:10:39,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 566 transitions, 4987 flow, removed 6 selfloop flow, removed 0 redundant places. [2023-08-26 07:10:39,563 INFO L231 Difference]: Finished difference. Result has 148 places, 301 transitions, 2975 flow [2023-08-26 07:10:39,563 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=2194, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2975, PETRI_PLACES=148, PETRI_TRANSITIONS=301} [2023-08-26 07:10:39,564 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 71 predicate places. [2023-08-26 07:10:39,564 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 301 transitions, 2975 flow [2023-08-26 07:10:39,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:10:39,565 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:10:39,565 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:10:39,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-26 07:10:39,565 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:10:39,565 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:10:39,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1233284824, now seen corresponding path program 3 times [2023-08-26 07:10:39,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:10:39,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040271523] [2023-08-26 07:10:39,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:10:39,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:10:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:10:40,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:10:40,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:10:40,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040271523] [2023-08-26 07:10:40,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040271523] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:10:40,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:10:40,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:10:40,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635583922] [2023-08-26 07:10:40,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:10:40,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:10:40,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:10:40,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:10:40,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:10:40,013 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 355 [2023-08-26 07:10:40,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 301 transitions, 2975 flow. Second operand has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:10:40,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:10:40,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 355 [2023-08-26 07:10:40,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:10:41,877 INFO L124 PetriNetUnfolderBase]: 2229/4966 cut-off events. [2023-08-26 07:10:41,877 INFO L125 PetriNetUnfolderBase]: For 14893/14927 co-relation queries the response was YES. [2023-08-26 07:10:41,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20321 conditions, 4966 events. 2229/4966 cut-off events. For 14893/14927 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 34170 event pairs, 355 based on Foata normal form. 38/4634 useless extension candidates. Maximal degree in co-relation 20286. Up to 1656 conditions per place. [2023-08-26 07:10:41,922 INFO L140 encePairwiseOnDemand]: 323/355 looper letters, 449 selfloop transitions, 207 changer transitions 6/668 dead transitions. [2023-08-26 07:10:41,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 668 transitions, 6609 flow [2023-08-26 07:10:41,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-08-26 07:10:41,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-08-26 07:10:41,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2186 transitions. [2023-08-26 07:10:41,928 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36222038111019056 [2023-08-26 07:10:41,929 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2186 transitions. [2023-08-26 07:10:41,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2186 transitions. [2023-08-26 07:10:41,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:10:41,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2186 transitions. [2023-08-26 07:10:41,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 128.58823529411765) internal successors, (2186), 17 states have internal predecessors, (2186), 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) [2023-08-26 07:10:41,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 355.0) internal successors, (6390), 18 states have internal predecessors, (6390), 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) [2023-08-26 07:10:41,943 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 355.0) internal successors, (6390), 18 states have internal predecessors, (6390), 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) [2023-08-26 07:10:41,943 INFO L175 Difference]: Start difference. First operand has 148 places, 301 transitions, 2975 flow. Second operand 17 states and 2186 transitions. [2023-08-26 07:10:41,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 668 transitions, 6609 flow [2023-08-26 07:10:42,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 668 transitions, 6599 flow, removed 3 selfloop flow, removed 1 redundant places. [2023-08-26 07:10:42,029 INFO L231 Difference]: Finished difference. Result has 174 places, 381 transitions, 4825 flow [2023-08-26 07:10:42,030 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=2965, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=4825, PETRI_PLACES=174, PETRI_TRANSITIONS=381} [2023-08-26 07:10:42,032 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 97 predicate places. [2023-08-26 07:10:42,033 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 381 transitions, 4825 flow [2023-08-26 07:10:42,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:10:42,033 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:10:42,033 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:10:42,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-26 07:10:42,034 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:10:42,034 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:10:42,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1412577812, now seen corresponding path program 4 times [2023-08-26 07:10:42,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:10:42,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109538198] [2023-08-26 07:10:42,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:10:42,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:10:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:10:42,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:10:42,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:10:42,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109538198] [2023-08-26 07:10:42,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109538198] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:10:42,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:10:42,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:10:42,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736413531] [2023-08-26 07:10:42,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:10:42,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:10:42,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:10:42,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:10:42,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:10:42,519 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 355 [2023-08-26 07:10:42,520 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 381 transitions, 4825 flow. Second operand has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:10:42,520 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:10:42,520 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 355 [2023-08-26 07:10:42,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:10:44,762 INFO L124 PetriNetUnfolderBase]: 2880/6439 cut-off events. [2023-08-26 07:10:44,762 INFO L125 PetriNetUnfolderBase]: For 30821/30885 co-relation queries the response was YES. [2023-08-26 07:10:44,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28914 conditions, 6439 events. 2880/6439 cut-off events. For 30821/30885 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 47386 event pairs, 620 based on Foata normal form. 65/6009 useless extension candidates. Maximal degree in co-relation 28867. Up to 2313 conditions per place. [2023-08-26 07:10:44,820 INFO L140 encePairwiseOnDemand]: 323/355 looper letters, 496 selfloop transitions, 238 changer transitions 4/744 dead transitions. [2023-08-26 07:10:44,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 744 transitions, 9036 flow [2023-08-26 07:10:44,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-26 07:10:44,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-26 07:10:44,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1852 transitions. [2023-08-26 07:10:44,826 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.372635814889336 [2023-08-26 07:10:44,826 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1852 transitions. [2023-08-26 07:10:44,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1852 transitions. [2023-08-26 07:10:44,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:10:44,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1852 transitions. [2023-08-26 07:10:44,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 132.28571428571428) internal successors, (1852), 14 states have internal predecessors, (1852), 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) [2023-08-26 07:10:44,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 355.0) internal successors, (5325), 15 states have internal predecessors, (5325), 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) [2023-08-26 07:10:44,840 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 355.0) internal successors, (5325), 15 states have internal predecessors, (5325), 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) [2023-08-26 07:10:44,840 INFO L175 Difference]: Start difference. First operand has 174 places, 381 transitions, 4825 flow. Second operand 14 states and 1852 transitions. [2023-08-26 07:10:44,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 744 transitions, 9036 flow [2023-08-26 07:10:45,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 744 transitions, 8946 flow, removed 36 selfloop flow, removed 4 redundant places. [2023-08-26 07:10:45,088 INFO L231 Difference]: Finished difference. Result has 195 places, 460 transitions, 6983 flow [2023-08-26 07:10:45,088 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=4754, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=6983, PETRI_PLACES=195, PETRI_TRANSITIONS=460} [2023-08-26 07:10:45,089 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 118 predicate places. [2023-08-26 07:10:45,090 INFO L495 AbstractCegarLoop]: Abstraction has has 195 places, 460 transitions, 6983 flow [2023-08-26 07:10:45,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:10:45,090 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:10:45,090 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:10:45,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-26 07:10:45,091 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:10:45,091 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:10:45,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1902450344, now seen corresponding path program 5 times [2023-08-26 07:10:45,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:10:45,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911409646] [2023-08-26 07:10:45,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:10:45,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:10:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:10:45,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:10:45,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:10:45,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911409646] [2023-08-26 07:10:45,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911409646] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:10:45,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:10:45,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:10:45,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982633952] [2023-08-26 07:10:45,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:10:45,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:10:45,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:10:45,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:10:45,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:10:45,591 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 355 [2023-08-26 07:10:45,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 460 transitions, 6983 flow. Second operand has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:10:45,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:10:45,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 355 [2023-08-26 07:10:45,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:10:47,860 INFO L124 PetriNetUnfolderBase]: 3458/7638 cut-off events. [2023-08-26 07:10:47,860 INFO L125 PetriNetUnfolderBase]: For 53304/53471 co-relation queries the response was YES. [2023-08-26 07:10:47,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37675 conditions, 7638 events. 3458/7638 cut-off events. For 53304/53471 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 58689 event pairs, 389 based on Foata normal form. 118/7165 useless extension candidates. Maximal degree in co-relation 37617. Up to 2351 conditions per place. [2023-08-26 07:10:47,927 INFO L140 encePairwiseOnDemand]: 323/355 looper letters, 566 selfloop transitions, 307 changer transitions 6/885 dead transitions. [2023-08-26 07:10:47,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 885 transitions, 12680 flow [2023-08-26 07:10:47,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-26 07:10:47,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-26 07:10:47,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2052 transitions. [2023-08-26 07:10:47,933 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36126760563380284 [2023-08-26 07:10:47,933 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2052 transitions. [2023-08-26 07:10:47,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2052 transitions. [2023-08-26 07:10:47,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:10:47,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2052 transitions. [2023-08-26 07:10:47,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 128.25) internal successors, (2052), 16 states have internal predecessors, (2052), 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) [2023-08-26 07:10:47,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 355.0) internal successors, (6035), 17 states have internal predecessors, (6035), 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) [2023-08-26 07:10:47,947 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 355.0) internal successors, (6035), 17 states have internal predecessors, (6035), 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) [2023-08-26 07:10:47,947 INFO L175 Difference]: Start difference. First operand has 195 places, 460 transitions, 6983 flow. Second operand 16 states and 2052 transitions. [2023-08-26 07:10:47,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 885 transitions, 12680 flow [2023-08-26 07:10:48,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 885 transitions, 12633 flow, removed 14 selfloop flow, removed 1 redundant places. [2023-08-26 07:10:48,375 INFO L231 Difference]: Finished difference. Result has 219 places, 557 transitions, 9996 flow [2023-08-26 07:10:48,376 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=6947, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=460, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=221, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=9996, PETRI_PLACES=219, PETRI_TRANSITIONS=557} [2023-08-26 07:10:48,376 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 142 predicate places. [2023-08-26 07:10:48,376 INFO L495 AbstractCegarLoop]: Abstraction has has 219 places, 557 transitions, 9996 flow [2023-08-26 07:10:48,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:10:48,377 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:10:48,377 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:10:48,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-26 07:10:48,377 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:10:48,378 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:10:48,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1150116754, now seen corresponding path program 6 times [2023-08-26 07:10:48,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:10:48,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14864980] [2023-08-26 07:10:48,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:10:48,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:10:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:10:48,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:10:48,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:10:48,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14864980] [2023-08-26 07:10:48,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14864980] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:10:48,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:10:48,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:10:48,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387203187] [2023-08-26 07:10:48,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:10:48,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:10:48,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:10:48,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:10:48,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:10:48,924 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 355 [2023-08-26 07:10:48,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 557 transitions, 9996 flow. Second operand has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:10:48,925 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:10:48,925 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 355 [2023-08-26 07:10:48,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:10:51,732 INFO L124 PetriNetUnfolderBase]: 4220/9340 cut-off events. [2023-08-26 07:10:51,732 INFO L125 PetriNetUnfolderBase]: For 90578/90781 co-relation queries the response was YES. [2023-08-26 07:10:51,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49706 conditions, 9340 events. 4220/9340 cut-off events. For 90578/90781 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 74916 event pairs, 841 based on Foata normal form. 154/8771 useless extension candidates. Maximal degree in co-relation 49638. Up to 3534 conditions per place. [2023-08-26 07:10:51,932 INFO L140 encePairwiseOnDemand]: 323/355 looper letters, 588 selfloop transitions, 361 changer transitions 4/959 dead transitions. [2023-08-26 07:10:51,932 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 959 transitions, 16019 flow [2023-08-26 07:10:51,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-26 07:10:51,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-26 07:10:51,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1830 transitions. [2023-08-26 07:10:51,936 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3682092555331992 [2023-08-26 07:10:51,937 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1830 transitions. [2023-08-26 07:10:51,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1830 transitions. [2023-08-26 07:10:51,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:10:51,937 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1830 transitions. [2023-08-26 07:10:51,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 130.71428571428572) internal successors, (1830), 14 states have internal predecessors, (1830), 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) [2023-08-26 07:10:51,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 355.0) internal successors, (5325), 15 states have internal predecessors, (5325), 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) [2023-08-26 07:10:51,948 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 355.0) internal successors, (5325), 15 states have internal predecessors, (5325), 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) [2023-08-26 07:10:51,948 INFO L175 Difference]: Start difference. First operand has 219 places, 557 transitions, 9996 flow. Second operand 14 states and 1830 transitions. [2023-08-26 07:10:51,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 959 transitions, 16019 flow [2023-08-26 07:10:52,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 959 transitions, 15957 flow, removed 22 selfloop flow, removed 4 redundant places. [2023-08-26 07:10:52,544 INFO L231 Difference]: Finished difference. Result has 240 places, 656 transitions, 13507 flow [2023-08-26 07:10:52,544 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=9950, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=557, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=267, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=13507, PETRI_PLACES=240, PETRI_TRANSITIONS=656} [2023-08-26 07:10:52,545 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 163 predicate places. [2023-08-26 07:10:52,545 INFO L495 AbstractCegarLoop]: Abstraction has has 240 places, 656 transitions, 13507 flow [2023-08-26 07:10:52,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:10:52,546 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:10:52,546 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:10:52,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-26 07:10:52,546 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:10:52,546 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:10:52,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1788471914, now seen corresponding path program 7 times [2023-08-26 07:10:52,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:10:52,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114790423] [2023-08-26 07:10:52,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:10:52,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:10:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:10:53,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:10:53,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:10:53,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114790423] [2023-08-26 07:10:53,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114790423] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:10:53,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:10:53,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:10:53,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271588988] [2023-08-26 07:10:53,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:10:53,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:10:53,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:10:53,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:10:53,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:10:53,009 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 355 [2023-08-26 07:10:53,010 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 656 transitions, 13507 flow. Second operand has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:10:53,011 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:10:53,011 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 355 [2023-08-26 07:10:53,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:10:56,807 INFO L124 PetriNetUnfolderBase]: 4654/10350 cut-off events. [2023-08-26 07:10:56,807 INFO L125 PetriNetUnfolderBase]: For 131081/131335 co-relation queries the response was YES. [2023-08-26 07:10:56,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58838 conditions, 10350 events. 4654/10350 cut-off events. For 131081/131335 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 85174 event pairs, 694 based on Foata normal form. 189/9739 useless extension candidates. Maximal degree in co-relation 58759. Up to 3250 conditions per place. [2023-08-26 07:10:56,907 INFO L140 encePairwiseOnDemand]: 323/355 looper letters, 592 selfloop transitions, 435 changer transitions 6/1039 dead transitions. [2023-08-26 07:10:56,907 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 1039 transitions, 18998 flow [2023-08-26 07:10:56,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-26 07:10:56,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-26 07:10:56,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2309 transitions. [2023-08-26 07:10:56,911 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36134585289514864 [2023-08-26 07:10:56,911 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2309 transitions. [2023-08-26 07:10:56,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2309 transitions. [2023-08-26 07:10:56,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:10:56,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2309 transitions. [2023-08-26 07:10:56,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 128.27777777777777) internal successors, (2309), 18 states have internal predecessors, (2309), 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) [2023-08-26 07:10:56,921 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 355.0) internal successors, (6745), 19 states have internal predecessors, (6745), 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) [2023-08-26 07:10:56,922 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 355.0) internal successors, (6745), 19 states have internal predecessors, (6745), 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) [2023-08-26 07:10:56,923 INFO L175 Difference]: Start difference. First operand has 240 places, 656 transitions, 13507 flow. Second operand 18 states and 2309 transitions. [2023-08-26 07:10:56,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 1039 transitions, 18998 flow [2023-08-26 07:10:57,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 1039 transitions, 18932 flow, removed 33 selfloop flow, removed 0 redundant places. [2023-08-26 07:10:57,870 INFO L231 Difference]: Finished difference. Result has 269 places, 717 transitions, 16715 flow [2023-08-26 07:10:57,871 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=13453, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=656, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=375, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=16715, PETRI_PLACES=269, PETRI_TRANSITIONS=717} [2023-08-26 07:10:57,871 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 192 predicate places. [2023-08-26 07:10:57,871 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 717 transitions, 16715 flow [2023-08-26 07:10:57,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:10:57,872 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:10:57,872 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:10:57,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-26 07:10:57,872 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:10:57,872 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:10:57,872 INFO L85 PathProgramCache]: Analyzing trace with hash 2040545132, now seen corresponding path program 8 times [2023-08-26 07:10:57,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:10:57,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148392493] [2023-08-26 07:10:57,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:10:57,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:10:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:10:58,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:10:58,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:10:58,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148392493] [2023-08-26 07:10:58,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148392493] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:10:58,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:10:58,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:10:58,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488462142] [2023-08-26 07:10:58,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:10:58,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:10:58,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:10:58,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:10:58,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:10:58,339 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 355 [2023-08-26 07:10:58,340 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 717 transitions, 16715 flow. Second operand has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:10:58,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:10:58,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 355 [2023-08-26 07:10:58,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:11:02,505 INFO L124 PetriNetUnfolderBase]: 5347/11836 cut-off events. [2023-08-26 07:11:02,505 INFO L125 PetriNetUnfolderBase]: For 191902/192270 co-relation queries the response was YES. [2023-08-26 07:11:02,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71854 conditions, 11836 events. 5347/11836 cut-off events. For 191902/192270 co-relation queries the response was YES. Maximal size of possible extension queue 348. Compared 100035 event pairs, 1102 based on Foata normal form. 234/11137 useless extension candidates. Maximal degree in co-relation 71762. Up to 4744 conditions per place. [2023-08-26 07:11:02,638 INFO L140 encePairwiseOnDemand]: 323/355 looper letters, 669 selfloop transitions, 440 changer transitions 4/1119 dead transitions. [2023-08-26 07:11:02,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 1119 transitions, 23957 flow [2023-08-26 07:11:02,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-26 07:11:02,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-26 07:11:02,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1807 transitions. [2023-08-26 07:11:02,642 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3635814889336016 [2023-08-26 07:11:02,642 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1807 transitions. [2023-08-26 07:11:02,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1807 transitions. [2023-08-26 07:11:02,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:11:02,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1807 transitions. [2023-08-26 07:11:02,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 129.07142857142858) internal successors, (1807), 14 states have internal predecessors, (1807), 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) [2023-08-26 07:11:02,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 355.0) internal successors, (5325), 15 states have internal predecessors, (5325), 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) [2023-08-26 07:11:02,653 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 355.0) internal successors, (5325), 15 states have internal predecessors, (5325), 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) [2023-08-26 07:11:02,653 INFO L175 Difference]: Start difference. First operand has 269 places, 717 transitions, 16715 flow. Second operand 14 states and 1807 transitions. [2023-08-26 07:11:02,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 1119 transitions, 23957 flow [2023-08-26 07:11:04,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 1119 transitions, 23821 flow, removed 37 selfloop flow, removed 3 redundant places. [2023-08-26 07:11:04,126 INFO L231 Difference]: Finished difference. Result has 291 places, 810 transitions, 20902 flow [2023-08-26 07:11:04,127 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=16603, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=717, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=351, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=20902, PETRI_PLACES=291, PETRI_TRANSITIONS=810} [2023-08-26 07:11:04,127 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 214 predicate places. [2023-08-26 07:11:04,127 INFO L495 AbstractCegarLoop]: Abstraction has has 291 places, 810 transitions, 20902 flow [2023-08-26 07:11:04,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:11:04,128 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:11:04,128 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:11:04,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-26 07:11:04,128 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:11:04,128 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:11:04,128 INFO L85 PathProgramCache]: Analyzing trace with hash 2124690030, now seen corresponding path program 9 times [2023-08-26 07:11:04,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:11:04,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635188022] [2023-08-26 07:11:04,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:11:04,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:11:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:11:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:11:04,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:11:04,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635188022] [2023-08-26 07:11:04,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635188022] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:11:04,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:11:04,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:11:04,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873277287] [2023-08-26 07:11:04,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:11:04,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:11:04,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:11:04,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:11:04,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:11:04,548 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 355 [2023-08-26 07:11:04,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 810 transitions, 20902 flow. Second operand has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:11:04,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:11:04,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 355 [2023-08-26 07:11:04,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:11:09,491 INFO L124 PetriNetUnfolderBase]: 5731/12654 cut-off events. [2023-08-26 07:11:09,492 INFO L125 PetriNetUnfolderBase]: For 250573/251009 co-relation queries the response was YES. [2023-08-26 07:11:09,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80755 conditions, 12654 events. 5731/12654 cut-off events. For 250573/251009 co-relation queries the response was YES. Maximal size of possible extension queue 373. Compared 108862 event pairs, 998 based on Foata normal form. 321/11962 useless extension candidates. Maximal degree in co-relation 80653. Up to 3923 conditions per place. [2023-08-26 07:11:09,615 INFO L140 encePairwiseOnDemand]: 323/355 looper letters, 669 selfloop transitions, 517 changer transitions 6/1198 dead transitions. [2023-08-26 07:11:09,616 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 1198 transitions, 27389 flow [2023-08-26 07:11:09,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-08-26 07:11:09,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-08-26 07:11:09,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2180 transitions. [2023-08-26 07:11:09,619 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3612261806130903 [2023-08-26 07:11:09,619 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2180 transitions. [2023-08-26 07:11:09,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2180 transitions. [2023-08-26 07:11:09,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:11:09,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2180 transitions. [2023-08-26 07:11:09,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 128.23529411764707) internal successors, (2180), 17 states have internal predecessors, (2180), 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) [2023-08-26 07:11:09,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 355.0) internal successors, (6390), 18 states have internal predecessors, (6390), 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) [2023-08-26 07:11:09,628 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 355.0) internal successors, (6390), 18 states have internal predecessors, (6390), 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) [2023-08-26 07:11:09,629 INFO L175 Difference]: Start difference. First operand has 291 places, 810 transitions, 20902 flow. Second operand 17 states and 2180 transitions. [2023-08-26 07:11:09,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 1198 transitions, 27389 flow [2023-08-26 07:11:11,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 1198 transitions, 27307 flow, removed 41 selfloop flow, removed 0 redundant places. [2023-08-26 07:11:11,347 INFO L231 Difference]: Finished difference. Result has 318 places, 875 transitions, 24812 flow [2023-08-26 07:11:11,347 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=20832, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=810, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=452, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=24812, PETRI_PLACES=318, PETRI_TRANSITIONS=875} [2023-08-26 07:11:11,348 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 241 predicate places. [2023-08-26 07:11:11,348 INFO L495 AbstractCegarLoop]: Abstraction has has 318 places, 875 transitions, 24812 flow [2023-08-26 07:11:11,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:11:11,348 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:11:11,348 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:11:11,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-26 07:11:11,348 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:11:11,349 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:11:11,349 INFO L85 PathProgramCache]: Analyzing trace with hash -2032182478, now seen corresponding path program 10 times [2023-08-26 07:11:11,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:11:11,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704723739] [2023-08-26 07:11:11,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:11:11,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:11:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:11:11,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:11:11,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:11:11,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704723739] [2023-08-26 07:11:11,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704723739] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:11:11,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:11:11,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:11:11,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733739116] [2023-08-26 07:11:11,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:11:11,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:11:11,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:11:11,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:11:11,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:11:11,807 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 355 [2023-08-26 07:11:11,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 875 transitions, 24812 flow. Second operand has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:11:11,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:11:11,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 355 [2023-08-26 07:11:11,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:11:17,323 INFO L124 PetriNetUnfolderBase]: 6172/13615 cut-off events. [2023-08-26 07:11:17,323 INFO L125 PetriNetUnfolderBase]: For 330801/331347 co-relation queries the response was YES. [2023-08-26 07:11:17,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92039 conditions, 13615 events. 6172/13615 cut-off events. For 330801/331347 co-relation queries the response was YES. Maximal size of possible extension queue 409. Compared 118959 event pairs, 868 based on Foata normal form. 386/12903 useless extension candidates. Maximal degree in co-relation 91925. Up to 4713 conditions per place. [2023-08-26 07:11:17,466 INFO L140 encePairwiseOnDemand]: 324/355 looper letters, 622 selfloop transitions, 594 changer transitions 4/1226 dead transitions. [2023-08-26 07:11:17,466 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 1226 transitions, 31907 flow [2023-08-26 07:11:17,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-26 07:11:17,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-26 07:11:17,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1792 transitions. [2023-08-26 07:11:17,470 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36056338028169016 [2023-08-26 07:11:17,470 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1792 transitions. [2023-08-26 07:11:17,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1792 transitions. [2023-08-26 07:11:17,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:11:17,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1792 transitions. [2023-08-26 07:11:17,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 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) [2023-08-26 07:11:17,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 355.0) internal successors, (5325), 15 states have internal predecessors, (5325), 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) [2023-08-26 07:11:17,477 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 355.0) internal successors, (5325), 15 states have internal predecessors, (5325), 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) [2023-08-26 07:11:17,478 INFO L175 Difference]: Start difference. First operand has 318 places, 875 transitions, 24812 flow. Second operand 14 states and 1792 transitions. [2023-08-26 07:11:17,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 1226 transitions, 31907 flow [2023-08-26 07:11:19,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 1226 transitions, 31802 flow, removed 42 selfloop flow, removed 5 redundant places. [2023-08-26 07:11:19,670 INFO L231 Difference]: Finished difference. Result has 338 places, 944 transitions, 29447 flow [2023-08-26 07:11:19,671 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=24717, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=875, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=525, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=29447, PETRI_PLACES=338, PETRI_TRANSITIONS=944} [2023-08-26 07:11:19,671 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 261 predicate places. [2023-08-26 07:11:19,671 INFO L495 AbstractCegarLoop]: Abstraction has has 338 places, 944 transitions, 29447 flow [2023-08-26 07:11:19,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:11:19,672 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:11:19,672 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:11:19,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-26 07:11:19,672 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:11:19,672 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:11:19,672 INFO L85 PathProgramCache]: Analyzing trace with hash 2019892068, now seen corresponding path program 11 times [2023-08-26 07:11:19,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:11:19,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397498121] [2023-08-26 07:11:19,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:11:19,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:11:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:11:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:11:20,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:11:20,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397498121] [2023-08-26 07:11:20,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397498121] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:11:20,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:11:20,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:11:20,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353663967] [2023-08-26 07:11:20,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:11:20,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:11:20,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:11:20,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:11:20,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:11:20,068 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 355 [2023-08-26 07:11:20,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 944 transitions, 29447 flow. Second operand has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:11:20,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:11:20,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 355 [2023-08-26 07:11:20,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:11:26,710 INFO L124 PetriNetUnfolderBase]: 6567/14516 cut-off events. [2023-08-26 07:11:26,710 INFO L125 PetriNetUnfolderBase]: For 429512/430076 co-relation queries the response was YES. [2023-08-26 07:11:26,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103293 conditions, 14516 events. 6567/14516 cut-off events. For 429512/430076 co-relation queries the response was YES. Maximal size of possible extension queue 439. Compared 128591 event pairs, 986 based on Foata normal form. 402/13739 useless extension candidates. Maximal degree in co-relation 103168. Up to 5243 conditions per place. [2023-08-26 07:11:26,905 INFO L140 encePairwiseOnDemand]: 326/355 looper letters, 576 selfloop transitions, 629 changer transitions 4/1215 dead transitions. [2023-08-26 07:11:26,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 1215 transitions, 35321 flow [2023-08-26 07:11:26,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-26 07:11:26,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-26 07:11:26,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1647 transitions. [2023-08-26 07:11:26,907 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3568797399783315 [2023-08-26 07:11:26,907 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1647 transitions. [2023-08-26 07:11:26,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1647 transitions. [2023-08-26 07:11:26,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:11:26,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1647 transitions. [2023-08-26 07:11:26,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 126.6923076923077) internal successors, (1647), 13 states have internal predecessors, (1647), 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) [2023-08-26 07:11:26,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 355.0) internal successors, (4970), 14 states have internal predecessors, (4970), 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) [2023-08-26 07:11:26,914 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 355.0) internal successors, (4970), 14 states have internal predecessors, (4970), 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) [2023-08-26 07:11:26,914 INFO L175 Difference]: Start difference. First operand has 338 places, 944 transitions, 29447 flow. Second operand 13 states and 1647 transitions. [2023-08-26 07:11:26,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 1215 transitions, 35321 flow [2023-08-26 07:11:29,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 1215 transitions, 35163 flow, removed 79 selfloop flow, removed 0 redundant places. [2023-08-26 07:11:29,909 INFO L231 Difference]: Finished difference. Result has 360 places, 990 transitions, 33594 flow [2023-08-26 07:11:29,910 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=29317, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=944, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=583, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=33594, PETRI_PLACES=360, PETRI_TRANSITIONS=990} [2023-08-26 07:11:29,910 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 283 predicate places. [2023-08-26 07:11:29,910 INFO L495 AbstractCegarLoop]: Abstraction has has 360 places, 990 transitions, 33594 flow [2023-08-26 07:11:29,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:11:29,911 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:11:29,911 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:11:29,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-26 07:11:29,911 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:11:29,911 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:11:29,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1386061474, now seen corresponding path program 12 times [2023-08-26 07:11:29,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:11:29,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241815726] [2023-08-26 07:11:29,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:11:29,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:11:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:11:30,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:11:30,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:11:30,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241815726] [2023-08-26 07:11:30,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241815726] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:11:30,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:11:30,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:11:30,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494056677] [2023-08-26 07:11:30,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:11:30,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:11:30,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:11:30,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:11:30,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:11:30,339 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 355 [2023-08-26 07:11:30,340 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 990 transitions, 33594 flow. Second operand has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:11:30,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:11:30,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 355 [2023-08-26 07:11:30,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:11:37,835 INFO L124 PetriNetUnfolderBase]: 6944/15331 cut-off events. [2023-08-26 07:11:37,835 INFO L125 PetriNetUnfolderBase]: For 544777/545399 co-relation queries the response was YES. [2023-08-26 07:11:38,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114122 conditions, 15331 events. 6944/15331 cut-off events. For 544777/545399 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 137556 event pairs, 1037 based on Foata normal form. 474/14546 useless extension candidates. Maximal degree in co-relation 113987. Up to 5825 conditions per place. [2023-08-26 07:11:38,079 INFO L140 encePairwiseOnDemand]: 324/355 looper letters, 610 selfloop transitions, 706 changer transitions 4/1326 dead transitions. [2023-08-26 07:11:38,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 1326 transitions, 40438 flow [2023-08-26 07:11:38,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-26 07:11:38,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-26 07:11:38,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1813 transitions. [2023-08-26 07:11:38,082 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3647887323943662 [2023-08-26 07:11:38,082 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1813 transitions. [2023-08-26 07:11:38,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1813 transitions. [2023-08-26 07:11:38,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:11:38,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1813 transitions. [2023-08-26 07:11:38,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 129.5) internal successors, (1813), 14 states have internal predecessors, (1813), 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) [2023-08-26 07:11:38,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 355.0) internal successors, (5325), 15 states have internal predecessors, (5325), 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) [2023-08-26 07:11:38,089 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 355.0) internal successors, (5325), 15 states have internal predecessors, (5325), 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) [2023-08-26 07:11:38,089 INFO L175 Difference]: Start difference. First operand has 360 places, 990 transitions, 33594 flow. Second operand 14 states and 1813 transitions. [2023-08-26 07:11:38,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 1326 transitions, 40438 flow [2023-08-26 07:11:42,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 1326 transitions, 40310 flow, removed 54 selfloop flow, removed 1 redundant places. [2023-08-26 07:11:42,209 INFO L231 Difference]: Finished difference. Result has 384 places, 1049 transitions, 38555 flow [2023-08-26 07:11:42,210 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=33470, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=990, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=649, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=38555, PETRI_PLACES=384, PETRI_TRANSITIONS=1049} [2023-08-26 07:11:42,210 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 307 predicate places. [2023-08-26 07:11:42,211 INFO L495 AbstractCegarLoop]: Abstraction has has 384 places, 1049 transitions, 38555 flow [2023-08-26 07:11:42,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:11:42,211 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:11:42,211 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:11:42,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-26 07:11:42,211 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:11:42,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:11:42,212 INFO L85 PathProgramCache]: Analyzing trace with hash 2026840098, now seen corresponding path program 13 times [2023-08-26 07:11:42,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:11:42,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418072075] [2023-08-26 07:11:42,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:11:42,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:11:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:11:42,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:11:42,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:11:42,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418072075] [2023-08-26 07:11:42,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418072075] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:11:42,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:11:42,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:11:42,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912932358] [2023-08-26 07:11:42,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:11:42,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:11:42,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:11:42,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:11:42,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:11:42,595 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 355 [2023-08-26 07:11:42,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 1049 transitions, 38555 flow. Second operand has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:11:42,596 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:11:42,596 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 355 [2023-08-26 07:11:42,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:11:50,656 INFO L124 PetriNetUnfolderBase]: 7321/16185 cut-off events. [2023-08-26 07:11:50,656 INFO L125 PetriNetUnfolderBase]: For 677542/678224 co-relation queries the response was YES. [2023-08-26 07:11:50,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126256 conditions, 16185 events. 7321/16185 cut-off events. For 677542/678224 co-relation queries the response was YES. Maximal size of possible extension queue 496. Compared 146466 event pairs, 1196 based on Foata normal form. 480/15329 useless extension candidates. Maximal degree in co-relation 126109. Up to 5521 conditions per place. [2023-08-26 07:11:50,982 INFO L140 encePairwiseOnDemand]: 325/355 looper letters, 641 selfloop transitions, 692 changer transitions 4/1343 dead transitions. [2023-08-26 07:11:50,983 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 1343 transitions, 45261 flow [2023-08-26 07:11:50,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-26 07:11:50,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-26 07:11:50,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1770 transitions. [2023-08-26 07:11:50,986 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3561368209255533 [2023-08-26 07:11:50,986 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1770 transitions. [2023-08-26 07:11:50,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1770 transitions. [2023-08-26 07:11:50,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:11:50,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1770 transitions. [2023-08-26 07:11:50,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 126.42857142857143) internal successors, (1770), 14 states have internal predecessors, (1770), 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) [2023-08-26 07:11:50,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 355.0) internal successors, (5325), 15 states have internal predecessors, (5325), 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) [2023-08-26 07:11:50,992 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 355.0) internal successors, (5325), 15 states have internal predecessors, (5325), 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) [2023-08-26 07:11:50,992 INFO L175 Difference]: Start difference. First operand has 384 places, 1049 transitions, 38555 flow. Second operand 14 states and 1770 transitions. [2023-08-26 07:11:50,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 1343 transitions, 45261 flow [2023-08-26 07:11:57,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 1343 transitions, 45140 flow, removed 57 selfloop flow, removed 1 redundant places. [2023-08-26 07:11:57,275 INFO L231 Difference]: Finished difference. Result has 406 places, 1097 transitions, 43330 flow [2023-08-26 07:11:57,276 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=38444, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1049, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=644, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=43330, PETRI_PLACES=406, PETRI_TRANSITIONS=1097} [2023-08-26 07:11:57,276 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 329 predicate places. [2023-08-26 07:11:57,276 INFO L495 AbstractCegarLoop]: Abstraction has has 406 places, 1097 transitions, 43330 flow [2023-08-26 07:11:57,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 105.3) internal successors, (1053), 10 states have internal predecessors, (1053), 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) [2023-08-26 07:11:57,277 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:11:57,277 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:11:57,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-26 07:11:57,277 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:11:57,277 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:11:57,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1625640513, now seen corresponding path program 1 times [2023-08-26 07:11:57,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:11:57,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647485993] [2023-08-26 07:11:57,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:11:57,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:11:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:11:57,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:11:57,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:11:57,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647485993] [2023-08-26 07:11:57,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647485993] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:11:57,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:11:57,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 07:11:57,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944758085] [2023-08-26 07:11:57,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:11:57,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 07:11:57,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:11:57,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 07:11:57,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 07:11:57,558 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 355 [2023-08-26 07:11:57,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 1097 transitions, 43330 flow. Second operand has 6 states, 6 states have (on average 119.5) internal successors, (717), 6 states have internal predecessors, (717), 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) [2023-08-26 07:11:57,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:11:57,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 355 [2023-08-26 07:11:57,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:12:06,090 INFO L124 PetriNetUnfolderBase]: 7947/17613 cut-off events. [2023-08-26 07:12:06,090 INFO L125 PetriNetUnfolderBase]: For 835655/835750 co-relation queries the response was YES. [2023-08-26 07:12:06,292 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139519 conditions, 17613 events. 7947/17613 cut-off events. For 835655/835750 co-relation queries the response was YES. Maximal size of possible extension queue 576. Compared 161004 event pairs, 3280 based on Foata normal form. 30/16218 useless extension candidates. Maximal degree in co-relation 139362. Up to 15258 conditions per place. [2023-08-26 07:12:06,353 INFO L140 encePairwiseOnDemand]: 341/355 looper letters, 1203 selfloop transitions, 170 changer transitions 0/1380 dead transitions. [2023-08-26 07:12:06,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 1380 transitions, 55594 flow [2023-08-26 07:12:06,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 07:12:06,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 07:12:06,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 825 transitions. [2023-08-26 07:12:06,354 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3873239436619718 [2023-08-26 07:12:06,354 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 825 transitions. [2023-08-26 07:12:06,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 825 transitions. [2023-08-26 07:12:06,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:12:06,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 825 transitions. [2023-08-26 07:12:06,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 137.5) internal successors, (825), 6 states have internal predecessors, (825), 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) [2023-08-26 07:12:06,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 355.0) internal successors, (2485), 7 states have internal predecessors, (2485), 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) [2023-08-26 07:12:06,357 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 355.0) internal successors, (2485), 7 states have internal predecessors, (2485), 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) [2023-08-26 07:12:06,357 INFO L175 Difference]: Start difference. First operand has 406 places, 1097 transitions, 43330 flow. Second operand 6 states and 825 transitions. [2023-08-26 07:12:06,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 1380 transitions, 55594 flow [2023-08-26 07:12:12,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 1380 transitions, 55320 flow, removed 87 selfloop flow, removed 3 redundant places. [2023-08-26 07:12:12,798 INFO L231 Difference]: Finished difference. Result has 412 places, 1236 transitions, 46974 flow [2023-08-26 07:12:12,799 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=43130, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1097, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=999, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=46974, PETRI_PLACES=412, PETRI_TRANSITIONS=1236} [2023-08-26 07:12:12,799 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 335 predicate places. [2023-08-26 07:12:12,799 INFO L495 AbstractCegarLoop]: Abstraction has has 412 places, 1236 transitions, 46974 flow [2023-08-26 07:12:12,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 119.5) internal successors, (717), 6 states have internal predecessors, (717), 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) [2023-08-26 07:12:12,800 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:12:12,800 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:12:12,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-26 07:12:12,800 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:12:12,800 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:12:12,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1086643166, now seen corresponding path program 1 times [2023-08-26 07:12:12,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:12:12,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447012475] [2023-08-26 07:12:12,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:12:12,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:12:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:12:13,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:12:13,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:12:13,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447012475] [2023-08-26 07:12:13,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447012475] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:12:13,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:12:13,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 07:12:13,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747413936] [2023-08-26 07:12:13,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:12:13,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 07:12:13,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:12:13,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 07:12:13,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-26 07:12:13,054 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 355 [2023-08-26 07:12:13,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 1236 transitions, 46974 flow. Second operand has 6 states, 6 states have (on average 119.5) internal successors, (717), 6 states have internal predecessors, (717), 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) [2023-08-26 07:12:13,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:12:13,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 355 [2023-08-26 07:12:13,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:12:24,669 INFO L124 PetriNetUnfolderBase]: 10020/22256 cut-off events. [2023-08-26 07:12:24,669 INFO L125 PetriNetUnfolderBase]: For 1024059/1024114 co-relation queries the response was YES. [2023-08-26 07:12:25,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182030 conditions, 22256 events. 10020/22256 cut-off events. For 1024059/1024114 co-relation queries the response was YES. Maximal size of possible extension queue 745. Compared 216593 event pairs, 1140 based on Foata normal form. 11/20954 useless extension candidates. Maximal degree in co-relation 181869. Up to 13383 conditions per place. [2023-08-26 07:12:25,116 INFO L140 encePairwiseOnDemand]: 333/355 looper letters, 1567 selfloop transitions, 746 changer transitions 8/2328 dead transitions. [2023-08-26 07:12:25,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 2328 transitions, 95148 flow [2023-08-26 07:12:25,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 07:12:25,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 07:12:25,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 903 transitions. [2023-08-26 07:12:25,117 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.423943661971831 [2023-08-26 07:12:25,117 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 903 transitions. [2023-08-26 07:12:25,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 903 transitions. [2023-08-26 07:12:25,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:12:25,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 903 transitions. [2023-08-26 07:12:25,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 150.5) internal successors, (903), 6 states have internal predecessors, (903), 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) [2023-08-26 07:12:25,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 355.0) internal successors, (2485), 7 states have internal predecessors, (2485), 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) [2023-08-26 07:12:25,120 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 355.0) internal successors, (2485), 7 states have internal predecessors, (2485), 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) [2023-08-26 07:12:25,120 INFO L175 Difference]: Start difference. First operand has 412 places, 1236 transitions, 46974 flow. Second operand 6 states and 903 transitions. [2023-08-26 07:12:25,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 2328 transitions, 95148 flow [2023-08-26 07:12:35,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 2328 transitions, 94804 flow, removed 172 selfloop flow, removed 0 redundant places. [2023-08-26 07:12:35,689 INFO L231 Difference]: Finished difference. Result has 422 places, 1804 transitions, 75697 flow [2023-08-26 07:12:35,690 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=46630, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=276, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=928, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=75697, PETRI_PLACES=422, PETRI_TRANSITIONS=1804} [2023-08-26 07:12:35,690 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 345 predicate places. [2023-08-26 07:12:35,690 INFO L495 AbstractCegarLoop]: Abstraction has has 422 places, 1804 transitions, 75697 flow [2023-08-26 07:12:35,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 119.5) internal successors, (717), 6 states have internal predecessors, (717), 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) [2023-08-26 07:12:35,690 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:12:35,690 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:12:35,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-26 07:12:35,691 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:12:35,691 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:12:35,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1559418389, now seen corresponding path program 1 times [2023-08-26 07:12:35,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:12:35,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952642245] [2023-08-26 07:12:35,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:12:35,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:12:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:12:36,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:12:36,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:12:36,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952642245] [2023-08-26 07:12:36,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952642245] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:12:36,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:12:36,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-26 07:12:36,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326620168] [2023-08-26 07:12:36,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:12:36,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-26 07:12:36,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:12:36,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-26 07:12:36,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-26 07:12:36,108 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 355 [2023-08-26 07:12:36,109 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 1804 transitions, 75697 flow. Second operand has 10 states, 10 states have (on average 103.9) internal successors, (1039), 10 states have internal predecessors, (1039), 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) [2023-08-26 07:12:36,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:12:36,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 355 [2023-08-26 07:12:36,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:12:52,083 INFO L124 PetriNetUnfolderBase]: 9989/22479 cut-off events. [2023-08-26 07:12:52,083 INFO L125 PetriNetUnfolderBase]: For 1060592/1060885 co-relation queries the response was YES. [2023-08-26 07:12:52,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196809 conditions, 22479 events. 9989/22479 cut-off events. For 1060592/1060885 co-relation queries the response was YES. Maximal size of possible extension queue 734. Compared 217591 event pairs, 2720 based on Foata normal form. 263/21943 useless extension candidates. Maximal degree in co-relation 196643. Up to 16686 conditions per place. [2023-08-26 07:12:52,548 INFO L140 encePairwiseOnDemand]: 341/355 looper letters, 1614 selfloop transitions, 488 changer transitions 4/2112 dead transitions. [2023-08-26 07:12:52,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 2112 transitions, 88158 flow [2023-08-26 07:12:52,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-26 07:12:52,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-26 07:12:52,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1761 transitions. [2023-08-26 07:12:52,551 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3307042253521127 [2023-08-26 07:12:52,551 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1761 transitions. [2023-08-26 07:12:52,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1761 transitions. [2023-08-26 07:12:52,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:12:52,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1761 transitions. [2023-08-26 07:12:52,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 117.4) internal successors, (1761), 15 states have internal predecessors, (1761), 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) [2023-08-26 07:12:52,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 355.0) internal successors, (5680), 16 states have internal predecessors, (5680), 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) [2023-08-26 07:12:52,557 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 355.0) internal successors, (5680), 16 states have internal predecessors, (5680), 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) [2023-08-26 07:12:52,557 INFO L175 Difference]: Start difference. First operand has 422 places, 1804 transitions, 75697 flow. Second operand 15 states and 1761 transitions. [2023-08-26 07:12:52,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 2112 transitions, 88158 flow [2023-08-26 07:13:05,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 2112 transitions, 87342 flow, removed 408 selfloop flow, removed 0 redundant places. [2023-08-26 07:13:05,217 INFO L231 Difference]: Finished difference. Result has 440 places, 1894 transitions, 79858 flow [2023-08-26 07:13:05,219 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=74905, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1804, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=404, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=79858, PETRI_PLACES=440, PETRI_TRANSITIONS=1894} [2023-08-26 07:13:05,219 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 363 predicate places. [2023-08-26 07:13:05,219 INFO L495 AbstractCegarLoop]: Abstraction has has 440 places, 1894 transitions, 79858 flow [2023-08-26 07:13:05,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 103.9) internal successors, (1039), 10 states have internal predecessors, (1039), 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) [2023-08-26 07:13:05,219 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:13:05,219 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:13:05,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-26 07:13:05,219 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:13:05,220 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:13:05,220 INFO L85 PathProgramCache]: Analyzing trace with hash -295034847, now seen corresponding path program 1 times [2023-08-26 07:13:05,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:13:05,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893834060] [2023-08-26 07:13:05,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:13:05,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:13:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:13:06,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:13:06,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:13:06,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893834060] [2023-08-26 07:13:06,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893834060] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:13:06,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:13:06,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-26 07:13:06,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385426369] [2023-08-26 07:13:06,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:13:06,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-26 07:13:06,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:13:06,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-26 07:13:06,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-08-26 07:13:06,003 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 355 [2023-08-26 07:13:06,004 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 1894 transitions, 79858 flow. Second operand has 12 states, 12 states have (on average 91.58333333333333) internal successors, (1099), 12 states have internal predecessors, (1099), 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) [2023-08-26 07:13:06,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:13:06,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 355 [2023-08-26 07:13:06,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:13:29,490 INFO L124 PetriNetUnfolderBase]: 12858/28651 cut-off events. [2023-08-26 07:13:29,491 INFO L125 PetriNetUnfolderBase]: For 1467626/1467955 co-relation queries the response was YES. [2023-08-26 07:13:30,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260815 conditions, 28651 events. 12858/28651 cut-off events. For 1467626/1467955 co-relation queries the response was YES. Maximal size of possible extension queue 857. Compared 286822 event pairs, 3142 based on Foata normal form. 142/27873 useless extension candidates. Maximal degree in co-relation 260644. Up to 14992 conditions per place. [2023-08-26 07:13:30,467 INFO L140 encePairwiseOnDemand]: 339/355 looper letters, 2682 selfloop transitions, 271 changer transitions 0/2958 dead transitions. [2023-08-26 07:13:30,467 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 2958 transitions, 123666 flow [2023-08-26 07:13:30,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-08-26 07:13:30,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-08-26 07:13:30,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1791 transitions. [2023-08-26 07:13:30,471 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2967688483844242 [2023-08-26 07:13:30,471 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1791 transitions. [2023-08-26 07:13:30,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1791 transitions. [2023-08-26 07:13:30,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:13:30,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1791 transitions. [2023-08-26 07:13:30,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 105.3529411764706) internal successors, (1791), 17 states have internal predecessors, (1791), 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) [2023-08-26 07:13:30,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 355.0) internal successors, (6390), 18 states have internal predecessors, (6390), 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) [2023-08-26 07:13:30,478 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 355.0) internal successors, (6390), 18 states have internal predecessors, (6390), 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) [2023-08-26 07:13:30,478 INFO L175 Difference]: Start difference. First operand has 440 places, 1894 transitions, 79858 flow. Second operand 17 states and 1791 transitions. [2023-08-26 07:13:30,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 2958 transitions, 123666 flow [2023-08-26 07:13:51,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 2958 transitions, 123555 flow, removed 28 selfloop flow, removed 3 redundant places. [2023-08-26 07:13:51,224 INFO L231 Difference]: Finished difference. Result has 463 places, 2083 transitions, 89190 flow [2023-08-26 07:13:51,226 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=79781, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1894, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1647, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=89190, PETRI_PLACES=463, PETRI_TRANSITIONS=2083} [2023-08-26 07:13:51,226 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 386 predicate places. [2023-08-26 07:13:51,226 INFO L495 AbstractCegarLoop]: Abstraction has has 463 places, 2083 transitions, 89190 flow [2023-08-26 07:13:51,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 91.58333333333333) internal successors, (1099), 12 states have internal predecessors, (1099), 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) [2023-08-26 07:13:51,227 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:13:51,227 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:13:51,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-26 07:13:51,227 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:13:51,227 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:13:51,227 INFO L85 PathProgramCache]: Analyzing trace with hash -240303775, now seen corresponding path program 2 times [2023-08-26 07:13:51,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:13:51,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917623924] [2023-08-26 07:13:51,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:13:51,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:13:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:13:51,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:13:51,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:13:51,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917623924] [2023-08-26 07:13:51,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917623924] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:13:51,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:13:51,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-26 07:13:51,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496567017] [2023-08-26 07:13:51,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:13:51,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-26 07:13:51,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:13:51,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-26 07:13:51,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-08-26 07:13:51,949 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 355 [2023-08-26 07:13:51,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 2083 transitions, 89190 flow. Second operand has 12 states, 12 states have (on average 91.58333333333333) internal successors, (1099), 12 states have internal predecessors, (1099), 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) [2023-08-26 07:13:51,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:13:51,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 355 [2023-08-26 07:13:51,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:14:24,460 INFO L124 PetriNetUnfolderBase]: 18127/39885 cut-off events. [2023-08-26 07:14:24,461 INFO L125 PetriNetUnfolderBase]: For 1984016/1984299 co-relation queries the response was YES. [2023-08-26 07:14:25,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363944 conditions, 39885 events. 18127/39885 cut-off events. For 1984016/1984299 co-relation queries the response was YES. Maximal size of possible extension queue 1218. Compared 417878 event pairs, 3745 based on Foata normal form. 90/38694 useless extension candidates. Maximal degree in co-relation 363762. Up to 19887 conditions per place. [2023-08-26 07:14:25,855 INFO L140 encePairwiseOnDemand]: 339/355 looper letters, 3103 selfloop transitions, 515 changer transitions 0/3623 dead transitions. [2023-08-26 07:14:25,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 3623 transitions, 159262 flow [2023-08-26 07:14:25,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-26 07:14:25,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-26 07:14:25,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1667 transitions. [2023-08-26 07:14:25,857 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.29348591549295777 [2023-08-26 07:14:25,857 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1667 transitions. [2023-08-26 07:14:25,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1667 transitions. [2023-08-26 07:14:25,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:14:25,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1667 transitions. [2023-08-26 07:14:25,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 104.1875) internal successors, (1667), 16 states have internal predecessors, (1667), 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) [2023-08-26 07:14:25,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 355.0) internal successors, (6035), 17 states have internal predecessors, (6035), 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) [2023-08-26 07:14:25,863 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 355.0) internal successors, (6035), 17 states have internal predecessors, (6035), 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) [2023-08-26 07:14:25,863 INFO L175 Difference]: Start difference. First operand has 463 places, 2083 transitions, 89190 flow. Second operand 16 states and 1667 transitions. [2023-08-26 07:14:25,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 3623 transitions, 159262 flow [2023-08-26 07:14:56,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 3623 transitions, 159244 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-08-26 07:14:56,365 INFO L231 Difference]: Finished difference. Result has 488 places, 2471 transitions, 110964 flow [2023-08-26 07:14:56,367 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=89172, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2083, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1602, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=110964, PETRI_PLACES=488, PETRI_TRANSITIONS=2471} [2023-08-26 07:14:56,367 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 411 predicate places. [2023-08-26 07:14:56,367 INFO L495 AbstractCegarLoop]: Abstraction has has 488 places, 2471 transitions, 110964 flow [2023-08-26 07:14:56,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 91.58333333333333) internal successors, (1099), 12 states have internal predecessors, (1099), 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) [2023-08-26 07:14:56,367 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:14:56,368 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:14:56,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-26 07:14:56,368 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:14:56,368 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:14:56,368 INFO L85 PathProgramCache]: Analyzing trace with hash 555898177, now seen corresponding path program 3 times [2023-08-26 07:14:56,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:14:56,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637020340] [2023-08-26 07:14:56,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:14:56,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:14:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:14:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:14:57,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:14:57,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637020340] [2023-08-26 07:14:57,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637020340] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:14:57,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:14:57,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-26 07:14:57,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536566123] [2023-08-26 07:14:57,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:14:57,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-26 07:14:57,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:14:57,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-26 07:14:57,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-08-26 07:14:57,099 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 355 [2023-08-26 07:14:57,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 488 places, 2471 transitions, 110964 flow. Second operand has 12 states, 12 states have (on average 91.58333333333333) internal successors, (1099), 12 states have internal predecessors, (1099), 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) [2023-08-26 07:14:57,100 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:14:57,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 355 [2023-08-26 07:14:57,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:15:35,906 INFO L124 PetriNetUnfolderBase]: 18180/40161 cut-off events. [2023-08-26 07:15:35,906 INFO L125 PetriNetUnfolderBase]: For 2046913/2047450 co-relation queries the response was YES. [2023-08-26 07:15:37,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376898 conditions, 40161 events. 18180/40161 cut-off events. For 2046913/2047450 co-relation queries the response was YES. Maximal size of possible extension queue 1221. Compared 419906 event pairs, 4743 based on Foata normal form. 383/39290 useless extension candidates. Maximal degree in co-relation 376705. Up to 27518 conditions per place. [2023-08-26 07:15:37,569 INFO L140 encePairwiseOnDemand]: 337/355 looper letters, 1754 selfloop transitions, 936 changer transitions 0/2695 dead transitions. [2023-08-26 07:15:37,569 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 2695 transitions, 122486 flow [2023-08-26 07:15:37,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-26 07:15:37,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-26 07:15:37,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1846 transitions. [2023-08-26 07:15:37,571 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.28888888888888886 [2023-08-26 07:15:37,571 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1846 transitions. [2023-08-26 07:15:37,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1846 transitions. [2023-08-26 07:15:37,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:15:37,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1846 transitions. [2023-08-26 07:15:37,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 102.55555555555556) internal successors, (1846), 18 states have internal predecessors, (1846), 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) [2023-08-26 07:15:37,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 355.0) internal successors, (6745), 19 states have internal predecessors, (6745), 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) [2023-08-26 07:15:37,579 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 355.0) internal successors, (6745), 19 states have internal predecessors, (6745), 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) [2023-08-26 07:15:37,579 INFO L175 Difference]: Start difference. First operand has 488 places, 2471 transitions, 110964 flow. Second operand 18 states and 1846 transitions. [2023-08-26 07:15:37,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 2695 transitions, 122486 flow [2023-08-26 07:16:12,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 2695 transitions, 122261 flow, removed 106 selfloop flow, removed 1 redundant places. [2023-08-26 07:16:12,304 INFO L231 Difference]: Finished difference. Result has 511 places, 2524 transitions, 115612 flow [2023-08-26 07:16:12,306 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=110739, PETRI_DIFFERENCE_MINUEND_PLACES=487, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2471, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=888, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1549, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=115612, PETRI_PLACES=511, PETRI_TRANSITIONS=2524} [2023-08-26 07:16:12,306 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 434 predicate places. [2023-08-26 07:16:12,306 INFO L495 AbstractCegarLoop]: Abstraction has has 511 places, 2524 transitions, 115612 flow [2023-08-26 07:16:12,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 91.58333333333333) internal successors, (1099), 12 states have internal predecessors, (1099), 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) [2023-08-26 07:16:12,306 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:16:12,306 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:16:12,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-26 07:16:12,307 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:16:12,307 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:16:12,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1878478625, now seen corresponding path program 4 times [2023-08-26 07:16:12,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:16:12,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129424562] [2023-08-26 07:16:12,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:16:12,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:16:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:16:12,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:16:12,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:16:12,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129424562] [2023-08-26 07:16:12,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129424562] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:16:12,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:16:12,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-26 07:16:12,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094793319] [2023-08-26 07:16:12,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:16:12,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-26 07:16:12,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:16:12,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-26 07:16:12,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-08-26 07:16:12,920 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 355 [2023-08-26 07:16:12,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 2524 transitions, 115612 flow. Second operand has 12 states, 12 states have (on average 91.58333333333333) internal successors, (1099), 12 states have internal predecessors, (1099), 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) [2023-08-26 07:16:12,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:16:12,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 355 [2023-08-26 07:16:12,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:16:53,726 INFO L124 PetriNetUnfolderBase]: 18436/40726 cut-off events. [2023-08-26 07:16:53,726 INFO L125 PetriNetUnfolderBase]: For 2184245/2184669 co-relation queries the response was YES. [2023-08-26 07:16:55,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 394035 conditions, 40726 events. 18436/40726 cut-off events. For 2184245/2184669 co-relation queries the response was YES. Maximal size of possible extension queue 1220. Compared 425703 event pairs, 5001 based on Foata normal form. 358/39802 useless extension candidates. Maximal degree in co-relation 393834. Up to 29645 conditions per place. [2023-08-26 07:16:55,793 INFO L140 encePairwiseOnDemand]: 340/355 looper letters, 2172 selfloop transitions, 671 changer transitions 0/2848 dead transitions. [2023-08-26 07:16:55,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 527 places, 2848 transitions, 130838 flow [2023-08-26 07:16:55,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-08-26 07:16:55,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-08-26 07:16:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1764 transitions. [2023-08-26 07:16:55,796 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2922949461474731 [2023-08-26 07:16:55,796 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1764 transitions. [2023-08-26 07:16:55,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1764 transitions. [2023-08-26 07:16:55,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:16:55,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1764 transitions. [2023-08-26 07:16:55,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 103.76470588235294) internal successors, (1764), 17 states have internal predecessors, (1764), 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) [2023-08-26 07:16:55,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 355.0) internal successors, (6390), 18 states have internal predecessors, (6390), 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) [2023-08-26 07:16:55,831 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 355.0) internal successors, (6390), 18 states have internal predecessors, (6390), 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) [2023-08-26 07:16:55,831 INFO L175 Difference]: Start difference. First operand has 511 places, 2524 transitions, 115612 flow. Second operand 17 states and 1764 transitions. [2023-08-26 07:16:55,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 527 places, 2848 transitions, 130838 flow [2023-08-26 07:17:30,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 519 places, 2848 transitions, 129715 flow, removed 73 selfloop flow, removed 8 redundant places. [2023-08-26 07:17:31,060 INFO L231 Difference]: Finished difference. Result has 528 places, 2574 transitions, 118406 flow [2023-08-26 07:17:31,062 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=114516, PETRI_DIFFERENCE_MINUEND_PLACES=503, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=626, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1867, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=118406, PETRI_PLACES=528, PETRI_TRANSITIONS=2574} [2023-08-26 07:17:31,062 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 451 predicate places. [2023-08-26 07:17:31,063 INFO L495 AbstractCegarLoop]: Abstraction has has 528 places, 2574 transitions, 118406 flow [2023-08-26 07:17:31,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 91.58333333333333) internal successors, (1099), 12 states have internal predecessors, (1099), 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) [2023-08-26 07:17:31,063 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:17:31,063 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:17:31,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-26 07:17:31,063 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:17:31,063 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:17:31,063 INFO L85 PathProgramCache]: Analyzing trace with hash 739678113, now seen corresponding path program 5 times [2023-08-26 07:17:31,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:17:31,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754167284] [2023-08-26 07:17:31,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:17:31,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:17:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:17:31,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:17:31,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:17:31,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754167284] [2023-08-26 07:17:31,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754167284] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:17:31,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:17:31,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-26 07:17:31,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107849869] [2023-08-26 07:17:31,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:17:31,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-26 07:17:31,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:17:31,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-26 07:17:31,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-08-26 07:17:31,775 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 355 [2023-08-26 07:17:31,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 2574 transitions, 118406 flow. Second operand has 12 states, 12 states have (on average 91.58333333333333) internal successors, (1099), 12 states have internal predecessors, (1099), 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) [2023-08-26 07:17:31,776 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:17:31,776 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 355 [2023-08-26 07:17:31,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:18:16,235 INFO L124 PetriNetUnfolderBase]: 18449/40733 cut-off events. [2023-08-26 07:18:16,235 INFO L125 PetriNetUnfolderBase]: For 2250445/2251183 co-relation queries the response was YES. [2023-08-26 07:18:17,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 400340 conditions, 40733 events. 18449/40733 cut-off events. For 2250445/2251183 co-relation queries the response was YES. Maximal size of possible extension queue 1219. Compared 426086 event pairs, 4655 based on Foata normal form. 465/39945 useless extension candidates. Maximal degree in co-relation 400130. Up to 27565 conditions per place. [2023-08-26 07:18:18,008 INFO L140 encePairwiseOnDemand]: 337/355 looper letters, 1649 selfloop transitions, 1127 changer transitions 0/2781 dead transitions. [2023-08-26 07:18:18,008 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 2781 transitions, 128808 flow [2023-08-26 07:18:18,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-08-26 07:18:18,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-08-26 07:18:18,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1951 transitions. [2023-08-26 07:18:18,012 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2892512972572276 [2023-08-26 07:18:18,012 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1951 transitions. [2023-08-26 07:18:18,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1951 transitions. [2023-08-26 07:18:18,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:18:18,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1951 transitions. [2023-08-26 07:18:18,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 102.6842105263158) internal successors, (1951), 19 states have internal predecessors, (1951), 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) [2023-08-26 07:18:18,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 355.0) internal successors, (7100), 20 states have internal predecessors, (7100), 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) [2023-08-26 07:18:18,020 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 355.0) internal successors, (7100), 20 states have internal predecessors, (7100), 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) [2023-08-26 07:18:18,021 INFO L175 Difference]: Start difference. First operand has 528 places, 2574 transitions, 118406 flow. Second operand 19 states and 1951 transitions. [2023-08-26 07:18:18,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 2781 transitions, 128808 flow [2023-08-26 07:18:54,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 2781 transitions, 128501 flow, removed 121 selfloop flow, removed 3 redundant places. [2023-08-26 07:18:54,709 INFO L231 Difference]: Finished difference. Result has 548 places, 2585 transitions, 120805 flow [2023-08-26 07:18:54,711 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=118099, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2574, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=120805, PETRI_PLACES=548, PETRI_TRANSITIONS=2585} [2023-08-26 07:18:54,711 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 471 predicate places. [2023-08-26 07:18:54,712 INFO L495 AbstractCegarLoop]: Abstraction has has 548 places, 2585 transitions, 120805 flow [2023-08-26 07:18:54,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 91.58333333333333) internal successors, (1099), 12 states have internal predecessors, (1099), 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) [2023-08-26 07:18:54,712 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:18:54,712 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:18:54,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-08-26 07:18:54,712 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:18:54,712 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:18:54,712 INFO L85 PathProgramCache]: Analyzing trace with hash -2030116687, now seen corresponding path program 6 times [2023-08-26 07:18:54,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:18:54,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111525514] [2023-08-26 07:18:54,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:18:54,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:18:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:18:55,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:18:55,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:18:55,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111525514] [2023-08-26 07:18:55,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111525514] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:18:55,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:18:55,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-26 07:18:55,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776576476] [2023-08-26 07:18:55,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:18:55,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-26 07:18:55,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:18:55,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-26 07:18:55,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-08-26 07:18:55,309 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 355 [2023-08-26 07:18:55,310 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 548 places, 2585 transitions, 120805 flow. Second operand has 12 states, 12 states have (on average 91.58333333333333) internal successors, (1099), 12 states have internal predecessors, (1099), 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) [2023-08-26 07:18:55,310 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:18:55,310 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 355 [2023-08-26 07:18:55,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 07:19:39,967 INFO L124 PetriNetUnfolderBase]: 18457/40734 cut-off events. [2023-08-26 07:19:39,967 INFO L125 PetriNetUnfolderBase]: For 2337253/2337922 co-relation queries the response was YES. [2023-08-26 07:19:41,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 408627 conditions, 40734 events. 18457/40734 cut-off events. For 2337253/2337922 co-relation queries the response was YES. Maximal size of possible extension queue 1221. Compared 425660 event pairs, 4921 based on Foata normal form. 454/39926 useless extension candidates. Maximal degree in co-relation 408411. Up to 27580 conditions per place. [2023-08-26 07:19:41,670 INFO L140 encePairwiseOnDemand]: 337/355 looper letters, 1847 selfloop transitions, 901 changer transitions 0/2753 dead transitions. [2023-08-26 07:19:41,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 2753 transitions, 130574 flow [2023-08-26 07:19:41,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-08-26 07:19:41,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-08-26 07:19:41,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1747 transitions. [2023-08-26 07:19:41,672 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2894780447390224 [2023-08-26 07:19:41,672 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1747 transitions. [2023-08-26 07:19:41,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1747 transitions. [2023-08-26 07:19:41,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 07:19:41,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1747 transitions. [2023-08-26 07:19:41,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 102.76470588235294) internal successors, (1747), 17 states have internal predecessors, (1747), 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) [2023-08-26 07:19:41,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 355.0) internal successors, (6390), 18 states have internal predecessors, (6390), 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) [2023-08-26 07:19:41,677 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 355.0) internal successors, (6390), 18 states have internal predecessors, (6390), 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) [2023-08-26 07:19:41,677 INFO L175 Difference]: Start difference. First operand has 548 places, 2585 transitions, 120805 flow. Second operand 17 states and 1747 transitions. [2023-08-26 07:19:41,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 2753 transitions, 130574 flow [2023-08-26 07:20:18,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 2753 transitions, 129599 flow, removed 32 selfloop flow, removed 11 redundant places. [2023-08-26 07:20:18,982 INFO L231 Difference]: Finished difference. Result has 560 places, 2611 transitions, 123065 flow [2023-08-26 07:20:18,984 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=119849, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2585, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=876, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1693, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=123065, PETRI_PLACES=560, PETRI_TRANSITIONS=2611} [2023-08-26 07:20:18,984 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 483 predicate places. [2023-08-26 07:20:18,985 INFO L495 AbstractCegarLoop]: Abstraction has has 560 places, 2611 transitions, 123065 flow [2023-08-26 07:20:18,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 91.58333333333333) internal successors, (1099), 12 states have internal predecessors, (1099), 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) [2023-08-26 07:20:18,985 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 07:20:18,985 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:20:18,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-08-26 07:20:18,985 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-26 07:20:18,985 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 07:20:18,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1135436671, now seen corresponding path program 7 times [2023-08-26 07:20:18,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 07:20:18,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713706097] [2023-08-26 07:20:18,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 07:20:18,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 07:20:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 07:20:19,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 07:20:19,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 07:20:19,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713706097] [2023-08-26 07:20:19,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713706097] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 07:20:19,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 07:20:19,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-26 07:20:19,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269166986] [2023-08-26 07:20:19,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 07:20:19,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-26 07:20:19,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 07:20:19,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-26 07:20:19,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-08-26 07:20:19,638 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 355 [2023-08-26 07:20:19,639 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 2611 transitions, 123065 flow. Second operand has 12 states, 12 states have (on average 91.58333333333333) internal successors, (1099), 12 states have internal predecessors, (1099), 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) [2023-08-26 07:20:19,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 07:20:19,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 355 [2023-08-26 07:20:19,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-08-26 07:20:57,783 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-26 07:20:58,905 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 [2023-08-26 07:20:59,010 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE (25 of 26 remaining) [2023-08-26 07:20:59,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-08-26 07:20:59,011 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-08-26 07:20:59,012 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 26 remaining) [2023-08-26 07:20:59,012 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 26 remaining) [2023-08-26 07:20:59,016 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 26 remaining) [2023-08-26 07:20:59,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 26 remaining) [2023-08-26 07:20:59,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 26 remaining) [2023-08-26 07:20:59,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 26 remaining) [2023-08-26 07:20:59,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 26 remaining) [2023-08-26 07:20:59,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 26 remaining) [2023-08-26 07:20:59,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (16 of 26 remaining) [2023-08-26 07:20:59,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (15 of 26 remaining) [2023-08-26 07:20:59,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (14 of 26 remaining) [2023-08-26 07:20:59,017 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 26 remaining) [2023-08-26 07:20:59,018 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE (12 of 26 remaining) [2023-08-26 07:20:59,018 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE (11 of 26 remaining) [2023-08-26 07:20:59,018 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONDATA_RACE (10 of 26 remaining) [2023-08-26 07:20:59,018 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONDATA_RACE (9 of 26 remaining) [2023-08-26 07:20:59,018 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr4ASSERT_VIOLATIONDATA_RACE (8 of 26 remaining) [2023-08-26 07:20:59,018 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr5ASSERT_VIOLATIONDATA_RACE (7 of 26 remaining) [2023-08-26 07:20:59,018 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr6ASSERT_VIOLATIONDATA_RACE (6 of 26 remaining) [2023-08-26 07:20:59,018 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 26 remaining) [2023-08-26 07:20:59,019 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONDATA_RACE (4 of 26 remaining) [2023-08-26 07:20:59,019 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 26 remaining) [2023-08-26 07:20:59,019 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr4ASSERT_VIOLATIONDATA_RACE (2 of 26 remaining) [2023-08-26 07:20:59,019 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr5ASSERT_VIOLATIONDATA_RACE (1 of 26 remaining) [2023-08-26 07:20:59,019 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr6ASSERT_VIOLATIONDATA_RACE (0 of 26 remaining) [2023-08-26 07:20:59,019 INFO L445 BasicCegarLoop]: Path program histogram: [13, 7, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 07:20:59,023 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 07:20:59,023 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 07:20:59,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 07:20:59 BasicIcfg [2023-08-26 07:20:59,025 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 07:20:59,026 INFO L158 Benchmark]: Toolchain (without parser) took 801235.17ms. Allocated memory was 350.2MB in the beginning and 11.5GB in the end (delta: 11.1GB). Free memory was 325.0MB in the beginning and 9.8GB in the end (delta: -9.5GB). Peak memory consumption was 5.9GB. Max. memory is 16.0GB. [2023-08-26 07:20:59,026 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 350.2MB. Free memory is still 327.1MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 07:20:59,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 679.36ms. Allocated memory is still 350.2MB. Free memory was 324.4MB in the beginning and 286.3MB in the end (delta: 38.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. [2023-08-26 07:20:59,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.52ms. Allocated memory is still 350.2MB. Free memory was 286.3MB in the beginning and 283.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 07:20:59,026 INFO L158 Benchmark]: Boogie Preprocessor took 36.94ms. Allocated memory is still 350.2MB. Free memory was 282.6MB in the beginning and 280.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 07:20:59,027 INFO L158 Benchmark]: RCFGBuilder took 489.95ms. Allocated memory is still 350.2MB. Free memory was 280.0MB in the beginning and 306.5MB in the end (delta: -26.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.0GB. [2023-08-26 07:20:59,027 INFO L158 Benchmark]: TraceAbstraction took 799968.12ms. Allocated memory was 350.2MB in the beginning and 11.5GB in the end (delta: 11.1GB). Free memory was 305.5MB in the beginning and 9.8GB in the end (delta: -9.5GB). Peak memory consumption was 5.9GB. Max. memory is 16.0GB. [2023-08-26 07:20:59,028 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 350.2MB. Free memory is still 327.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 679.36ms. Allocated memory is still 350.2MB. Free memory was 324.4MB in the beginning and 286.3MB in the end (delta: 38.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 54.52ms. Allocated memory is still 350.2MB. Free memory was 286.3MB in the beginning and 283.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 36.94ms. Allocated memory is still 350.2MB. Free memory was 282.6MB in the beginning and 280.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 489.95ms. Allocated memory is still 350.2MB. Free memory was 280.0MB in the beginning and 306.5MB in the end (delta: -26.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.0GB. * TraceAbstraction took 799968.12ms. Allocated memory was 350.2MB in the beginning and 11.5GB in the end (delta: 11.1GB). Free memory was 305.5MB in the beginning and 9.8GB in the end (delta: -9.5GB). Peak memory consumption was 5.9GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 244]: Unsoundness Warning unspecified type, defaulting to int C: short [244] - GenericResultAtLocation [Line: 244]: Unsoundness Warning unspecified type, defaulting to int C: short [244] - GenericResultAtLocation [Line: 1044]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [1044] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 171.1s, 199 PlacesBefore, 77 PlacesAfterwards, 195 TransitionsBefore, 73 TransitionsAfterwards, 4092 CoEnabledTransitionPairs, 10 FixpointIterations, 125 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 159 TotalNumberOfCompositions, 38163 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6534, independent: 5247, independent conditional: 0, independent unconditional: 5247, dependent: 1287, dependent conditional: 0, dependent unconditional: 1287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1675, independent: 1583, independent conditional: 0, independent unconditional: 1583, dependent: 92, dependent conditional: 0, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6534, independent: 3664, independent conditional: 0, independent unconditional: 3664, dependent: 1195, dependent conditional: 0, dependent unconditional: 1195, unknown: 1675, unknown conditional: 0, unknown unconditional: 1675] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 268, Positive conditional cache size: 0, Positive unconditional cache size: 268, Negative cache size: 59, Negative conditional cache size: 0, Negative unconditional cache size: 59, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 1228]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1228]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1229]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1248]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1249]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1228]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1229]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1250]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1250]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1253]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1253]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1254]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1251]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1229]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1238]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1238]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1239]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1239]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1240]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 265 locations, 26 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: 799.8s, OverallIterations: 28, TraceHistogramMax: 1, PathProgramHistogramMax: 13, EmptinessCheckTime: 0.0s, AutomataDifference: 614.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 171.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5421 SdHoareTripleChecker+Valid, 20.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5421 mSDsluCounter, 1254 SdHoareTripleChecker+Invalid, 16.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 690 mSDsCounter, 2553 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22757 IncrementalHoareTripleChecker+Invalid, 25310 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2553 mSolverCounterUnsat, 564 mSDtfsCounter, 22757 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 473 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 437 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1436 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123065occurred in iteration=27, InterpolantAutomatonStates: 358, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 12.4s InterpolantComputationTime, 414 NumberOfCodeBlocks, 414 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 386 ConstructedInterpolants, 0 QuantifiedInterpolants, 7548 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown